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P50 Agile P253

6 Protection Functions

P253/EN M/C

6-11

Where:

I

rms

:

RMS current corresponding to the largest phase current

IFL:

Thermal trip or full load current rating (settable)

k :

Settable (1 to 1.5 step 0.01)

A:

Initial thermal state (eg. If the initial thermal state is 50% then A =0.5)

The calculation of the thermal state is given by the following formula:

Θ

i+1 = (Irms /k*IFL) ² · [1 – exp (-t/Te)] +

Θ

i · exp (-t/Te)

The initial state of the machine is included in the time to trip calculation algorithm. This is so that the
operating time for a thermal trip is decreased if there is a hot motor start.

Comprehensive measurements and diagnostics can be accessed through the HMI. For example, the
estimated time to the next thermal trip is calculated (see MEASUREMENT 2 sub menu).

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Summary of Contents for P50 Agile P253

Page 1: ...GE Grid Solutions P50 Agile P253 Technical Manual Motor Protection Relay Hardware version A Software version 01 Publication reference P253 EN M C ...

Page 2: ...e 2014 30 EU and product safety Low voltage directive 2014 30 EU This conformity is the result of a test conducted in accordance with the product standard EN 60255 26 for the EMC directive and with the product standard EN 60255 27 for the low voltage directive The IED is designed in accordance with the international standards of the IEC 60255 series ...

Page 3: ...P50 Agile P253 1 Introduction P253 EN M C 1 1 INTRODUCTION CHAPTER 1 ...

Page 4: ...1 Introduction P50 Agile P253 1 2 P253 EN M C ...

Page 5: ... This chapter consists of the following sections 1 Chapter Overview 2 Introduction 2 1 Features 2 1 1 Protection Control 2 1 2 Measurement Recording Post Fault Analysis 2 1 3 Front Panel Interface 2 1 4 Communications 2 2 Functional Overview 2 3 Ordering Information ...

Page 6: ...rement and inventories The user can assign any of the logical physical statuses to binary inputs binary outputs and programmable LEDs This provides flexibility to program the relay as per the application requirements All the output contacts are changeover type for ease of implementing the desired wiring schematic The P253 offers supervision functions including measurement monitoring and recording ...

Page 7: ...hermal trip Last starting current and time Time before a permitted start Authorised hot start number Authorised cold start number Motor running hours Total number of starts Total number of emergency starts Number of Thermal Trip Breaker operation counter Breaker trip counter Breaker operating time Up to 512 time tagged event records Up to 5 Fault records Up to 5 disturbance records 1 start up curr...

Page 8: ...rcurrent 50 Definite time overcurrent short circuit protection 50N Neutral Earth definite time overcurrent 51 IDMT overcurrent short circuit protection 51N Neutral Earth IDMT overcurrent 68 Inrush Blocking 50BF Circuit breaker fail 64R Restricted earth fault 86 Latching of output contacts Lockout Control Functions 74 Trip circuit supervision Watchdog function Self monitoring diagnostics Test Commi...

Page 9: ...ent input 1x1 ph General Setting Groups 2 Self diagnostics Measurements Event records Fault records Disturbance records Start up current record Configurable BI BO LEDs Hardware Auxiliary supply 24 230 V AC DC Climatic conditions Operating 25o C to 55o C Storage 25oC to 70oC Housing Front IP 52 Rear IP 20 ...

Page 10: ...230 V DC AC 77V DC 75V AC 3 24 230 V DC AC 154V DC 152V AC 4 Current Transformer Standard CT 1 SEF CT 2 Hardware Options EIA RS485 only 1 I O Options Standard 6 logic inputs 6 relay outputs A Communication protocol Modbus IEC 60870 5 103 1 DNP3 0 2 Case Non drawout A Language English 0 Software Reference Initial release v1 xx 01 Customisation Regionalisation Default 0 Customer specific A Hardware ...

Page 11: ...SAFETY INFORMATION CHAPTER 2 ...

Page 12: ...Safety Information Pxxx 2 ...

Page 13: ...tion commissioning and operation of the equipment and the system to which it is being connected familiar with accepted safety engineering practises and are authorised to energise and de energise equipment in the correct manner trained in the care and use of safety apparatus in accordance with safety engineering practises trained in emergency procedures first aid The documentation provides instruct...

Page 14: ...re to do so could result in damage to the equipment Warning Risk of electric shock Earth terminal Note This symbol may also be used for a protective conductor earth terminal if that terminal is part of a terminal block or sub assembly Protective conductor earth terminal Instructions on disposal requirements Note The term Earth used in this manual is the direct equivalent of the North American term...

Page 15: ...strips Warning Use a suitable protective barrier for areas with restricted space where there is a risk of electric shock due to exposed terminals Caution Disconnect power before disassembling Disassembly of the equipment may expose sensitive electronic circuitry Take suitable precautions against electrostatic voltage discharge ESD to avoid damage to the equipment 3 INSTALLATION COMMISSIONING AND S...

Page 16: ... be removed 3 3 UL CSA CUL REQUIREMENTS The information in this section is applicable only to equipment carrying UL CSA CUL markings Caution Equipment intended for rack or panel mounting is for use on a flat surface of a Type 1 enclosure as defined by Underwriters Laboratories UL Caution To maintain compliance with UL and CSA CUL install the equipment using UL CSA recognised parts for cables prote...

Page 17: ... must NOT be fused since open circuiting them may produce lethal hazardous voltages Warning Terminals exposed during installation commissioning and maintenance may present a hazardous voltage unless the equipment is electrically isolated Caution Tighten M4 clamping screws of heavy duty terminal block connectors to a nominal torque of 1 3 Nm Tighten captive screws of terminal blocks to 0 5 Nm minim...

Page 18: ...e g North America This may be superseded by local or country wiring regulations For P60 products the recommended minimum PCT wire size is 6 mm See product documentation for details Caution The PCT connection must have low inductance and be as short as possible Caution All connections to the equipment must have a defined potential Connections that are pre wired but not used should be earthed or con...

Page 19: ...the equipment documentation and wiring diagrams first to see if this applies Caution Where external components such as resistors or voltage dependent resistors VDRs are used these may present a risk of electric shock or burns if touched Warning Take extreme care when using external test blocks and test plugs such as the MMLG MMLB and P990 as hazardous voltages may be exposed Ensure that CT shortin...

Page 20: ...y supply input may have capacitors in parallel which may still be charged To avoid electric shock discharge the capacitors using the external terminals before decommissioning Caution Avoid incineration or disposal to water courses Dispose of the equipment in a safe responsible and environmentally friendly manner and if applicable in accordance with country specific regulations ...

Page 21: ... category IEC 60255 27 2005 Overvoltage Category 3 Equipment in this category is qualification tested at 5kV peak 1 2 50 mS 500 Ohms 0 5 J between all supply circuits and earth and also between independent circuits Environment IEC 60255 27 2005 IEC 60255 26 2009 The equipment is intended for indoor use only If it is required for use in an outdoor environment it must be mounted in a specific cabine...

Page 22: ... with this marking is not itself suitable for operation within a potentially explosive atmosphere Compliance demonstrated by Notified Body Type Examination Certificate ATEX Potentially Explosive Atmospheres directive 94 9 EC for equipment ...

Page 23: ...P50 Agile P253 3 Hardware Design P253 EN M C 3 1 HARDWARE DESIGN CHAPTER 3 ...

Page 24: ...3 Hardware Design P50 Agile P253253 3 2 P253 EN M C ...

Page 25: ...1 Chapter Overview 2 Hardware Design 2 1 Overview of Hardware Design 2 2 Microcontroller with DSP Module 2 2 1 Microcontroller Module processor board Features 2 3 Microcontroller and Analog Measurement 2 4 Digital Input Output Module 2 5 Power Supply Module 2 6 Communication Module 2 7 Human Machine Interface Module ...

Page 26: ...ises of the following main components Housing consisting of a front panel and connections at the rear Microcontroller module Analogue input module Digital input module Digital output module Communication module Power supply unit Human machine interface HMI module Figure 1 P253 general assembly ...

Page 27: ...t signals acquired as analogue inputs get processed through operational amplifier filter circuit multiplexer ADC Analog to digital converter and finally fed to CPU The CPU design is a hybrid of the digital signal processor DSP and high speed microcontroller which runs complex algorithm for deriving the fundamental harmonic component from the input current signals The digital inputs and outputs mod...

Page 28: ...3 Hardware Design P50 Agile P253253 3 6 P253 EN M C E00276 Figure 2 Hardware design overview ...

Page 29: ... The relay hardware uses an external 16 bit ADC converter with capability to sample 8 signals simultaneously to avoid any phase angle error and achieve higher accuracy In P253 only 4 channels of ADC converter are used This external ADC can measure input in a range of 10 V to 10 V The ADC interface uses a SPI serial interface to avoid any software delays The MCU continuously monitors different anal...

Page 30: ...t and negative phase sequences The actual protection function depends on type of relay and described in the rest of the document 2 4 Digital Input Output Module This module supports 6 numbers of Digital input DI and 6 numbers of Digital output DO channels for acquiring filed signals or controlling field devices respectively The DIs are isolated from other circuits by using Opto isolators The thres...

Page 31: ...odule is provided with 16x2 LCD 8 numbers of soft feather touch keys and 8 numbers of LEDs for indication The cover at right side of the front panel houses following Female USB connector Serial number of relay Model number of relay Voltage and Current ratings Figure 5 Front panel of P253 relay ...

Page 32: ...3 Hardware Design P50 Agile P253253 3 10 P253 EN M C ...

Page 33: ...P50 Agile P253 4 Front Panel P253 EN M C 4 1 FRONT PANEL CHAPTER 4 ...

Page 34: ...4 Front Panel P50 Agile P253 4 2 P253 EN M C ...

Page 35: ...nt Panel P253 EN M C 4 3 1 CHAPTER OVERVIEW This chapter consists of the following sections 1 Chapter Overview 2 Front Panel 2 1 User Interface 2 1 1 LCD Display 2 1 2 Touch Keys 2 1 3 LEDs 2 1 4 RS 485 Port 2 1 5 USB Port ...

Page 36: ... Setting Error ADC Error detected by unit s self test etc 5 L5 Programmable dual colour LED 6 L6 Programmable dual colour LED 7 L7 Programmable dual colour LED 8 L8 Programmable dual colour LED 9 LCD Display The LCD display is used to view the settings and parameters of the relay 10 EDIT Feather touch key to edit parameter settings 11 CLEAR Feather touch key to clear the fault LED indications Also...

Page 37: ...evel or change between settings in a particular menu SET key is used to save the settings key is used for navigating through the menus submenus key is used to view the settings and to navigate through the menus and submenus key is used to DECREASE the values key is used to change the menu level or change between settings in a particular menu EDIT key is used to edit the setting CLEAR key is used t...

Page 38: ...le dual colour LED 2 1 4 RS 485 Port The RS485 port is provided at the rear of relay near to terminal block for permanent SCADA connectivity The separate 5 Pin connector is used to avoid accidental connection of power wiring to communication input The RS485 port can be used to download Settings Fault data Live Event and Disturbance Records 2 1 5 USB Port The USB port is situated on the front panel...

Page 39: ...P50 Agile P253 4 Front Panel P253 EN M C 4 7 Figure 2 USB port ...

Page 40: ...4 Front Panel P50 Agile P253 4 8 P253 EN M C ...

Page 41: ...P50 Agile P253 5 Configuration P253 EN M C 5 1 CONFIGURATION CHAPTER 5 ...

Page 42: ...5 Configuration P50 Agile P253 5 2 P253 EN M C ...

Page 43: ...3 7 2 Edit Settings if the settings are enabled 2 3 8 Configuration Menu 2 3 8 1 View Edit Settings 2 3 9 Transformer Ratios Menu 2 3 9 1 View Edit Settings 2 3 10 Record Control Menu 2 3 10 1 View Edit Settings 2 3 11 Communication Menu 2 3 11 1 View Edit Settings 2 3 12 I O Configuration Menu 2 3 12 1 View Edit Settings 2 3 12 2 List of the submenus for Relay Output LEDs and AND Logic configurat...

Page 44: ...mmunication Menu 2 4 12 View Edit Settings 2 4 13 I O Configuration Menu 2 4 14 View Edit Settings 2 4 15 O P Relay Configuration Menu 2 4 15 1 View Edit Settings 2 4 16 Disturbance Record Menu 2 4 16 1 View Edit Settings 2 4 17 Commissioning Test Menu 2 4 17 1 View Edit Settings 2 4 18 Group 1 Menu 2 4 18 1 View Edit Settings 2 4 18 2 Group 1 System Configuration Submenu 2 4 18 3 Group 1 Overcurr...

Page 45: ...sabled 2 4 23 2 View Edit Settings If the setting is enabled 2 4 24 Group 1 CB Fail Submenu 2 4 24 1 View Edit Settings If setting is disabled 2 4 24 2 View Edit Settings If setting is enabled 2 4 25 Group 1 Stall Detection Submenu 2 4 25 1 View Edit Settings If setting is disabled 2 4 25 2 View Edit Settings If setting is enabled 2 4 26 Group 1 Limit Nb Starts Submenu 2 4 26 1 View Edit Settings ...

Page 46: ...ers This chapter describes an overview of this common methodology as well as providing concise instructions of how to configure the device Using the HMI you can Display and modify settings View the digital I O signal status Display measurements Display fault records Reset fault and alarm indications The keypad provides full access to the device functionality by means of a range of menu options Inf...

Page 47: ...assword press the EDIT key the Password OK message is displayed and settable number text will start blinking and the relay will move to the next option Note When the password is set modification can be done in any settings within 15 minutes After the lapse of 15 minutes the relay will once again ask to re enter the password CB Open Close Open Step 6 By using the 5 or 6 key the desired selection ca...

Page 48: ...you press the EDIT key a flashing cursor appears at the right most character field of the password by default Press the up or down cursor keys to change each character 2 Use the left and right cursor keys to move between the character fields of the password 3 Press the SET key to confirm the password After entering a valid password the Password OK message appears indicating that the password is co...

Page 49: ...pto I P Status Relay O P Status CB Open Close Opto I P and Config Port VIEW RECORDS Menu to view Fault Record Event Record Maint Record and Alarm records MEASUREMENTS This menu displays the measurements values of various parameters under submenu Measurement 1 and 2 Measurement 1 i e Phase current measured and derived earth current negative positive phase sequence current and zero sequence current ...

Page 50: ...i e Phase CT Primary Phase CT Sec y E F CT Primary and E F CT Secondary RECORD CONTROL Password protected window for RECORD CONTROL settings i e Clear Events Yes No Clear Faults Yes No Clear Dist Recs Yes No Clear Maint Yes No Thermal Reset Yes No Reset Nb Em Rst Yes No Reset Nb of St Yes No Reset Motor RunT Yes No and Reset CB Data Yes No COMMUNICATION Password protected window for COMMUNICATION ...

Page 51: ...ystem Data Menu 2 3 3 1 View Edit Settings SYSTEM DATA Password protected window for SYSTEM DATA settings i e Language Description Model Number Serial Number Software Version Frequency USB Address USB Parity USB Baud Rate Password Active Group Opto I P Status Relay O P Status CB Open Close Opto I P and Config Port Language English Read only This window shows user interface is in English Language D...

Page 52: ... 0 to 9 A to Z a to z Active Group Group 1 Read only This window shows the Active Group selected in configuration Opto I P 654321 Status 000000 Read only This window shows the Opto Input status Relay O P 654321 Status 000000 Read only This window shows the Relay Output status CB Open Close No operation Editable setting This window allows selection of the desired CB operation i e Open Close and No ...

Page 53: ...indow is to view the Maint Record Alarm Record This window is to view the Alarm Record 2 3 4 2 View Fault Records VIEW RECORDS Menu to view Fault Record Event Record Maint Record and Alarm record Fault Record This window shows the Fault Record Fault Num 1 This window shows the Fault Number of latest fault I 1 I IN1 1 IN2 1 I2 1 This window displays trip flag of stage 1 O C E F 1 and E F 2 Neg Sequ...

Page 54: ...6 EXT TR This window displays status flag S1 Opto Input 1 S2 Opto Input 2 S3 Opto Input 3 S4 Opto Input 4 S5 Opto Input 5 and S6 Opto Input 6 CBF CB Fail EXT TR External Trip Note This window is seen when status flag operates ia 0 00 A ib 0 00 A This window displays secondary fault current values ic 0 00 A in1 0 00 A This window displays secondary fault current values in2 0 00 A i2 0 00 A This win...

Page 55: ...This window shows the Event Record Event Num 1 This window shows the Event number of latest event By using the 5 or 6 key the relay will scroll between Event numbers 1 to 512 Dt 21 02 2014 Tm 16 15 30 225 This window will show date time of Event Event Num 1 Trip IN1 This window shows the latest Event and Event number 2 3 4 4 View Maintenance Records VIEW RECORDS Menu to view Fault Record Event Rec...

Page 56: ... Errorcode 0004 RTC Error This window shows the contents of the Maintenance Record 1 07 06 2014 17 20 30 596 This window shows the date and time of error 2 3 4 5 View Alarm Records VIEW RECORDS Menu to view Fault Record Event Record Maint Record and Alarm record Fault Record This window will show the Fault Record Event Record This window will show Event Record Maint Record This window will show Ma...

Page 57: ...ence current and zero sequence current as per CT Primary and Secondary current selection RMS value of Phase Current BOC Breaker Operation Counter TC Trip Counter BOT Breaker Operating Time IA 0 A IB 0 A This window shows primary value of current in phase A and B taking in to account phase CT ratio IC 0 A IN1 0 A This window shows primary value of current in phase C and measured earth current takin...

Page 58: ...ary value of positive sequence current and negative sequence current Irms A 0 00 A Irms B 0 00 A This window shows secondary value of RMS current in phase A and Phase B Irms C 0 00 A BOC 0 This window shows secondary value of RMS current in phase C and Breaker operation counter TC 0 BOT 0 msec This window shows Trip Counter and Breaker Operating Time 2 3 5 2 View Contents Measurement 2 Submenu MEA...

Page 59: ...te of the motor Load Current 0 This window shows load current value in maximum value of three phase currents in of IFL setting Time to Th Trip 0 S This window shows Time to Thermal Trip Nb of Th Trip 0 This window shows counter for number of Thermal Trip Last Start Time 0 00 S This window shows the duration of the last start Last St Current 0 00 A This window shows the current value of last start ...

Page 60: ...d protected window for CB CONTROL settings TCS Alarm TCS Timer CB Open S vision CB Open Time CB Open Alarm CB Open Oper CB Control By Close Plus Time Open pulse Time and Emergency Rest TCS Alarm NO Editable setting By using the 5 or 6 key TCS Alarm can be set as Yes No CB Open S vision Disabled Editable setting By using the 5 or 6 key CB Open Supervision can be Enabled or Disabled CB Open Alarm Di...

Page 61: ...0S Editable setting By using the 5 or 6 key TCS Timer can be set The setting range is from 0 1s to 10s in steps of 10ms CB Open S vision Enabled Editable setting By using the 5 or 6 key CB Open Supervision can be Enabled or Disabled CB Open Time 0 30S Editable setting By using the 5 or 6 key CB Open Time can be set The setting range is from 50ms to 1s in steps of 10ms CB Open Alarm Enabled Editabl...

Page 62: ...e Menu 2 3 7 1 Edit Settings if the settings are disabled DATE AND TIME Password protected window for DATE AND TIME settings Local Time Enable Local Time Offset DST Enable DST Offset DST Start DST Start Day DST Start Month DST Start minutes DST End DST End Day DST End Month DST End minutes RP Time Zone SET Hours SET Minutes SET Seconds SET Date SET Month and SET Year Tm 17 21 50 Dt 14 11 14 Fri Re...

Page 63: ...s of 1 SET Month 11 Editable setting By using the 5 or 6 key the desired SET Month can be set The setting range is from 1 to 12 in steps of 1 SET Year 14 Editable setting By using the 5 or 6 key the desired SET Year can be set The setting range is from 00 to 99 in steps of 1 2 3 7 2 Edit Settings if the settings are enabled DATE AND TIME Password protected window for DATE AND TIME settings Local T...

Page 64: ...Last DST Start Day Sunday Editable setting By using the 5 or 6 key DST Start Day can be set from Sunday to Saturday DST Start Month March Editable setting By using the 5 or 6 key DST Start Month can be set from January to December DST Start Mins 60 Mins Editable setting By using the 5 or 6 key DST Start minutes can be set The setting range is from 0 to 1425 mins in steps of 15 mins DST End Last Ed...

Page 65: ... 21 Editable setting By using the 5 or 6 key SET Minutes can be set The setting range is from 00 to 59 in steps of 1 SET Seconds 50 Editable setting By using the 5 or 6 key SET Seconds can be set The setting range is from 00 to 59 in steps of 1 SET Date 14 Editable setting By using the 5 or 6 key SET Date can be set The setting range is from 1 to 31 in steps of 1 SET Month 11 Editable setting By u...

Page 66: ...nd Setting Values Restore Defaults No Operation Editable setting By using the 5 or 6 key Restore Defaults can be set as No Operation All Settings Setting Group 1 Setting Group 2 Active Settings Group 1 Editable setting By using the 5 or 6 key Active Setting can be set as Group 1 Group 2 Copy From Group 1 Editable setting By using the 5 or 6 key Copy From can be set as Group 1 Group 2 Copy To No Op...

Page 67: ...bled Thermal Overload Enabled Editable setting By using the 5 or 6 key Thermal Overload can be Enabled Disabled Loss of Load Enabled Editable setting By using the 5 or 6 key Loss of Load can be Enabled Disabled CB Fail Enabled Editable setting By using the 5 or 6 key CB Fail can be Enabled Disabled Stall Detection Enabled Editable setting By using the 5 or 6 key Stall Detection can be Enabled Disa...

Page 68: ...rimary can be set The setting range is from 1A to 30000A in steps of 1A Phase CT Sec y 1 A Editable setting By using the 5 or 6 key Phase CT Secondary can be set as 1A 5A E F CT Primary 100 A Editable setting By using the 5 or 6 key E F CT Primary can be set The setting range is from 1A to 30000A in steps of 1A E F CT Secondary 1 A Editable setting By using the 5 or 6 key E F CT Secondary can be s...

Page 69: ...as Yes No set Yes to clear Maintenance Record data stored in memory Thermal Reset No Editable setting By using the 5 or 6 key Thermal Reset can be set as Yes No set Yes to reset Thermal State to zero Reset Nb Em Rst No Editable setting By using the 5 or 6 key Reset Nb Em Rst can be set as Yes No set Yes to reset counter of Emergency Restart to zero Reset Nb of St No Editable setting By using the 5...

Page 70: ...57600 RP1 Parity Even Editable setting By using the 5 or 6 key the desired RP1 Parity can be set as Even Odd None RP1 Timesync Disabled Editable setting By using the 5 or 6 key RP1 Timesync can be Enabled Disabled 2 3 12 I O Configuration Menu 2 3 12 1 View Edit Settings IO CONFIGURATION Password protected window for OP CONTACT CONFIGURATION settings Relay LED Green LED Red AND Logic and Opto I P ...

Page 71: ...54321 Rem Rst 000000 Editable setting By using the 5 or 6 key Opto inputs can be set for desired function 1 corresponds to Opto I P1 2 corresponds to Opto I P2 6 corresponds to Opto I P6 Set the value 1 for assigned 0 for not assigned under the numbers representing Opto I Ps 2 3 12 2 List of the submenus for Relay Output LEDs and AND Logic configuration 2 3 12 2 1 Output Relay Configuration Output...

Page 72: ... set The setting range is from 0 to 1s in steps of 0 01s O P 2 Open Time 0 05 S Editable setting By using the 5 or 6 key the desired O P 2 Open Time can be set The setting range is from 0 to 1s in steps of 0 01s O P 3 Open Time 0 05 S Editable setting By using the 5 or 6 key the desired O P 3 Open Time can be set The setting range is from 0 to 1s in steps of 0 01s O P 4 Open Time 0 05 S Editable s...

Page 73: ...1 to 3600s in steps of 1s ANDEQ B Rst Time 1 S Editable setting By using the 5 or 6 key the desired AND Equation B Reset Time can be set The setting range is from 1 to 3600s in steps of 1s ANDEQ C Op Time 1 S Editable setting By using the 5 or 6 key the desired AND Equation C Operation Time can be set The setting range is from 1 to 3600s in steps of 1s ANDEQ C Rst Time 1 S Editable setting By usin...

Page 74: ...ey the desired Test Mode be set as Disabled Test Mode Contacts Blocked Test Pattern 000000 Editable setting By using the 5 or 6 key the desired Test Pattern can be set as 1 Operated 0 Not Operated Contact Test No Operation Editable setting By using the 5 or 6 key the desired Contact Test can be set as No Operation Apply Test Remove Test Test LEDs No Operation Editable setting By using the 5 or 6 k...

Page 75: ...tected window for Earth Fault 2 i e IN2 1 Function IN2 2 Function and IN2 3 Function The functions can be set as Disabled DT IDMT Note Setting will be seen only when it is enabled in Configuration setting THERMAL OVERLOAD Password protected window for Thermal Overload i e Inh Trip Dur ST K Coefficient Thermal Trip Thermal Alarm Thermal Const T1 Thermal Const T2 Cooling Const Tr Thermal Lockout and...

Page 76: ...sword protected window for System Configuration i e 2nd Harmonic Disabled Enabled 2nd Harmonic Threshold and I lift 2H 2nd Harmonic Disabled Editable setting By using the 5 or 6 key 2nd Harmonic set as Disabled 2 3 16 2 2 Edit Settings if 2nd harmonic is enabled GROUP 1 Password protected window for GROUP 1 setting SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVER...

Page 77: ...Inverse IEEE E Inverse US Inverse US ST Inverse I 1Function Disabled Editable setting By using the 5 or 6 key I 1Function is Disabled I 2Function Disabled Editable setting By using the 5 or 6 key I 2Function is Disabled I 3Function Disabled Editable setting By using the 5 or 6 key I 3Function is Disabled 2 3 16 3 2 Edit Settings if I 1 Function is selected for IEC curve GROUP 1 Password protected ...

Page 78: ...Enabled Disabled 2 3 16 3 3 Edit Settings if I 1 Function is selected for IEEE US curve GROUP 1 Password protected window for GROUP 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS Note Group 1 setting will be seen only when it is enabled in Configuration setting OVERCURRENT Password protect...

Page 79: ...tings if I 1 Function is selected for DT GROUP 1 Password protected window for GROUP 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS Note Group 1 setting will be seen only when it is enabled in Configuration setting OVERCURRENT Password protected window for Overcurrent i e I 1 Function I 2 ...

Page 80: ...it Settings if I2 1 Function I2 2 Function and I2 3 Function are disabled GROUP 1 Password protected window for GROUP 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS Note Group 1 setting will be seen only when it is enabled in Configuration setting NEG SEQUENCE O C By using the 5 or 6 key s...

Page 81: ...C V Inverse IEC E Inverse UK LT Inverse IEEE M Inverse IEEE V Inverse IEEE E Inverse US Inverse US ST Inverse I2 1 Function IEC S Inverse Editable setting By using the 5 or 6 key I2 1 Function is set as IEC S Inverse I2 1 Current Set 1 00 A Editable setting By using the 5 or 6 key the desired I2 1 Current Setting can be set The setting range is from 0 1 to 4 In in steps of 0 01 In I2 1 TMS 1 000 E...

Page 82: ...itable setting By using the 5 or 6 key I2 1 Function is set as IEEE M Inverse I2 1 Current Set 1 00 A Editable setting By using the 5 or 6 key the desired I2 1 Current Setting can be set The setting range is from 0 1 to 4 In in steps of 0 01 In I2 1 Time Dial 1 00 Editable setting By using the 5 or 6 key the desired I2 1 Time Dial can be set The setting range is from 0 01 to 100 in steps of 0 01 I...

Page 83: ...y using the 5 or 6 key I2 1Function is set as DT Definite Time I2 1 Current Set 1 00 A Editable setting By using the 5 or 6 key the desired I2 1 Current Setting can be set The setting range is from 0 1 to 35 In in steps of 0 01 In Note For I 3 Function the setting range is from 1 35 In in steps of 0 01 In I2 1 Time Delay 1 00 S Editable setting By using the 5 or 6 key the desired I2 1 Time Delay c...

Page 84: ...2 Function is set as Disabled IN1 3 Function Disabled By using the 5 or 6 key IN1 3 Function is set as Disabled 2 3 16 5 2 Edit Settings if IN1 1 Function is selected for IEC curve GROUP 1 Password protected window for GROUP 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS EARTH FAULT 1 Pass...

Page 85: ...UENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS EARTH FAULT 1 Password protected window for Earth Fault 1 i e IN1 1 Function IN1 2 Function and IN1 3 Function which can be set as Disabled DT IEC S Inverse S Inverse 1 3Sec IEC V Inverse IEC E Inverse UK LT Inverse IEEE M Inverse IEEE V Inverse IEEE E Inverse US Inverse US ST Inverse I...

Page 86: ...AD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS EARTH FAULT 1 Password protected window for Earth Fault 1 i e IN1 1 Function IN1 2 Function and IN1 3 Function which can be set as Disabled DT IEC S Inverse S Inverse 1 3Sec IEC V Inverse IEC E Inverse UK LT Inverse IEEE M Inverse IEEE V Inverse IEEE E Inverse US Inverse US ST Inverse IN1 1 Function DT Editable setting By using the 5 or ...

Page 87: ...and IN2 3 Function are disabled GROUP 1 Password protected window for GROUP 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS EARTH FAULT 2 Password protected window for Earth Fault 2 i e IN2 1 Function IN2 2 Function and IN2 3 Function which can be set as Disabled DT IEC S Inverse S Inverse ...

Page 88: ... 1 00 A Editable setting By using the 5 or 6 key the desired IN2 1 Current Setting can be set The setting range is from 0 1 to 4 In in steps of 0 01 In IN2 1 TMS 1 000 Editable Setting By using the 5 or 6 key the desired IN2 1 TMS can be set The setting range is from 0 025 to 1 2 in steps of 0 005 IN2 1 Reset Char DT Read only The IN2 1 Reset Char Function is fixed i e DT Definite Time IN2 1 tRESE...

Page 89: ... Definite Time IN2 1 tRESET 0 01 S Editable setting By using the 5 6 key the desired IN2 1 tRESET can be set The setting range is from 0 to 100s in steps of 0 01s Note This setting is applicable if IN2 1 Reset Char set as DT IN2 1 RTMS 1 000 Editable setting By using the 5 or 6 key the desired IN2 1 RTMS can be set The setting range is from 0 025 to 1 2 in steps of 0 005 Note This setting is appli...

Page 90: ... Editable setting By using the 5 or 6 key the desired IN2 1 tRESET can be set The setting range is from 0 to 100s in steps of 0 01s IN2 1 2H Blocking Disabled Editable setting By using the 5 or 6 key IN2 1 2H Blocking function can be Enabled Disabled Note The settings of IN2 2 Function and IN2 3 Function to be set in similar manner as that of IN2 1 Function 2 3 16 7 Group 1 Thermal Overload Submen...

Page 91: ...Mins Editable setting By using the 5 or 6 key the desired Thermal Const T1 can be set The setting range is from 1 to 180 Mins in steps of 1 Min Thermal Const T2 20 Mins Editable setting By using the 5 or 6 key the desired Thermal Const T2 can be set The setting range is from 1 to 360 Mins in steps of 1 Min Cooling Const Tr 60 Mins Editable setting By using the 5 or 6 key the desired Thermal Const ...

Page 92: ...Coefficient 3 Editable setting By using the 5 or 6 key the desired K Coefficient can be set The setting range is from 0 to 10 in steps of 1 Thermal Trip Enabled Editable setting By using the 5 or 6 key Thermal Trip is Enabled Thermal Alarm Enabled Editable setting By using the 5 or 6 key Thermal Alarm is Enabled Alarm Threshold 70 Editable setting By using the 5 or 6 key the desired Alarm Threshol...

Page 93: ...ettings if I 1 Status is disabled GROUP 1 Password protected window for GROUP 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS LOSS OF LOAD Password protected window for Loss of Load i e I 1 Status Enabled Disabled I 1 Current Set I 1 Time Delay T inhib I 1 Status Disabled Editable setting B...

Page 94: ...0s in steps of 0 1s 2 3 16 9 Group 1 CB Fail Submenu 2 3 16 9 1 Edit Settings if CB Fail Status is disabled GROUP 1 Password protected window for GROUP 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS CB FAIL Password protected window for CB FAIL settings i e CB Fail Status CB Fail Timer CB ...

Page 95: ...FAIL settings i e CB Fail Status CB Fail Timer CB Reset I IN Remove I Start and Remove IN Start CB Fail Status Enabled Editable setting By using the 5 or 6 key CB Fail Status is set as Enabled CB Fail Timer 0 10 S Editable setting By using the 5 or 6 key the desired CB Fail Timer settings can be set The setting range is from 0 to 50s in steps of 0 01s CBF Reset Open I By using the 5 or 6 key the d...

Page 96: ...d Stall Detection Disabled Editable setting By using the 5 or 6 key Stall Detection is Disabled 2 3 16 10 2 Edit Settings if settings are enabled GROUP 1 Password protected window for GROUP 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS STALL DETECTION Password protected window for STALL D...

Page 97: ... be set The setting range is from 1 to 5 In in steps of 0 1 In Stall Time 6 00 S Editable setting By using the 5 or 6 key the desired Stall Time can be set The setting range is from 1s to 199s in steps of 0 01s 2 3 16 11 Group1 Limit Nb Starts Submenu 2 3 16 11 1 Edit Settings if settings are disabled GROUP 1 Password protected window for GROUP 1 setting i e SYSTEM CONFIG OVERCURRENT NEG SEQUENCE ...

Page 98: ... 1 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS LIMIT NB STARTS Password protected window for LIMIT NB STARTS i e Hot Start Status Enabled Disabled Hot Start NB Cold Start Stat Enabled Disabled Cold Start NB Supervising Time T Betw St Status Enabled Disabled Time Betwe Start and Inhib Strt...

Page 99: ...P 2 settings SYSTEM CONFIG OVERCURRENT NEG SEQUENCE O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION and LIMITS NB STARTS Note Group 2 setting will be seen only when it is enabled in Configuration setting SYSTEM CONFIG Password protected window for System Configuration i e 2nd Harmonic Disabled Enabled 2nd Harmonic Threshold and I lift 2H Note Setting will be s...

Page 100: ...t I 1 Time Delay T inhib Note Setting will be seen only when it is enabled in Configuration setting CB FAIL Password protected window for CB FAIL i e CB Fail Status CB Fail Timer CBF Reset CB Fail Timer I IN Remove I Start and Remove IN Start Note Setting will be seen only when it is enabled in Configuration setting STALL DETECTION Password protected window for Stall Detection i e Start Criteria P...

Page 101: ...04 SYSTEM DATA VIEW RECORDS MEASUREMENTS CB CONTROL DATE AND TIME CONFIGURATION TRANS RATIOS RECORD CONTROL COMMUNICATION IO CONFIGURATION O P RELAY CONFIG P50 Agile P253 Motor Protect n DISTURBANCE REC COMMISSION TEST GROUP 1 GROUP 2 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 Note Group1 and Group 2 setting will be seen only when it is enabled through Setting Group 1 and Setting ...

Page 102: ...uency To change the System Frequency press the EDIT Key As soon as the Edit Key is pressed the relay will ask for Password By using the Plus Up arrow key 5 or the Minus Down arrow key 6 enter the set Password i e four 4 digits alpha numeric Press the EDIT Key The display will show password OK message and display the next option By using the Plus Up arrow key 5 or the Minus Down arrow key 6 select ...

Page 103: ...50Hz USB Address 1 USB Parity None USB Baudrate 57600 Password Active Group Group 1 Opto I P 654321 Status 000000 Relay O P 654321 Status 000100 SET For Save CLEAR For Cancel CB Open Close No Operation 34 SAVE Settings SET CLEAR DISCARD Settings 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 Opto I P DC 3 4 3 4 3 4 3 4 3 4 3 4 34 6 Config Port USB 3 4 EDIT Note indicates EDIT key is used to modify settings R...

Page 104: ...5 Configuration P50 Agile P253 5 64 P253 EN M C 2 4 4 Records Menu 2 4 4 1 View Records VIEW RECORDS Fault Record Event Record Maint Record 3 4 3 4 3 4 3 6 Alarm Record 3 4 ...

Page 105: ... 0 00 A i2 0 00 A Trip Counter 0 Trip Timing Sec 0 000 17 11 14 16 15 30 225 4 3 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 I 2 LR STL IN1 2 IN2 2 I2 2 i1 0 00 A i0 0 00 A Fault Record 3 4 4 4 3 4 3 4 3 4 3 4 6 S1 S3 S5 CBF S2 S4 S6 EXT TR 3 4 I 3 PRGL IN1 3 IN2 3 I2 3 3 4 I 1 I Th IN1 1 IN2 1 I2 1 3 3 4 3 4 Note The display windows shown in dashed lines will be seen if the relay operates for respective ...

Page 106: ...Record 3 4 Event Num 1 Dt 21 02 2014 Tm 16 15 30 225 4 Event Num 1 Trip IN1 ON 3 4 3 4 3 4 3 6 Event Num 2 3 4 2 4 4 4 View Maintenance Records Fault Record Event Record Maint Record 3 4 Main t Rec Num 4 Main t Rec Num 5 17 11 2014 17 20 30 596 Errorcode 0004 RTC Error 3 4 3 4 3 4 3 4 6 5 VIEW RECORDS 4 3 6 ...

Page 107: ...P50 Agile P253 5 Configuration P253 EN M C 5 67 2 4 4 5 View Alarm Records Fault Record Event Record Maint Record TCS Alarm 24 09 2014 11 24 00 842 3 4 3 4 3 4 3 4 VIEW RECORDS 4 3 6 Alarm Record 3 4 ...

Page 108: ...t 1 Submenu IA 0 A IB 0 A IC 0 A IN1 0 A IN2 0 A I0 0 A I1 0 A I2 0 A ia 0 00 A ib 0 00 A ic 0 00 A in1 0 00 A in2 0 00 A i0 0 00 A TC 0 BOT 0 Msec Irms A 0 00 A Irms B 0 00 A Irms C 0 00 A BOC 0 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 34 MEASUREMENTS 3 4 6 Measurement 1 6 i1 0 00 A i2 0 000 3 4 3 4 ...

Page 109: ...rrent 0 Time to Th Trip 0 S Nb of Th Trip 0 Last Start Time 0 S Last St Current 0 00 A Nb Hot St Allow 2 Nb Emergency Rst 0 Time to Next St 0 S Total Nb of Strt 0 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 34 MEASUREMENTS 3 4 6 Measurement 2 6 Nb Cold St Allow 3 3 4 3 4 Measurement 1 6 Motor Run time 0 000 hrs 3 4 ...

Page 110: ...isabled TCS Alarm NO CB Open S vision Disabled CB Open Alarm Disabled CB Control by Disabled 3 4 3 4 3 4 6 CB CONTROL 34 3 4 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Emergency Rest No 3 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 111: ...ime 0 30S CB Open Alarm Enabled CB Open Oper 2000 CB Control by Local Remote Close Pulse Time 0 50S Open Pulse Time 0 50S 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 6 CB CONTROL 3 4 34 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Emergency Rest Yes 3 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 112: ...d Local Time Enable Disabled DST Enable Disabled RP Time Zone Local 4 3 4 3 4 3 4 SET Hours 17 3 4 3 4 SET Minutes 21 3 4 SET Seconds 50 3 4 SET Date 12 3 4 SET Month 11 3 4 SET Year 14 3 4 34 3 4 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 113: ...Start Month March DST Start Mins 60 Mins DST End Last DST End Day Sunday DST End Month October DST End Mins 30 Mins RP Time Zone Local 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 SET Hours 17 3 4 3 4 3 4 3 4 SET Minutes 21 3 4 SET Seconds 50 3 4 SET Date 12 3 4 SET Month 11 3 4 SET Year 14 3 4 34 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT k...

Page 114: ...abled Neg Sequence O C Enabled Earth Fault 1 Enabled Earth Fault 2 Enabled Thermal Overload Enabled CB Fail Enabled 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 Stall Detection Enabled 3 4 3 4 3 4 3 4 Limit NB Starts Enabled 3 4 IFL 1 00 3 4 Measure t setup ABC 3 4 3 4 34 3 4 6 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Loss of Load Enabled Setting Values Secondary 3 4 N...

Page 115: ...t Settings TRANS RATIOS Ph CT Primary 100 A Ph CT Sec y 1 A E F CT Primary 100 A E F CT Secondary 1 A 3 4 3 4 3 4 3 4 34 6 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 116: ... No Clear Dist Recs No Clear Maint No 3 4 3 4 3 4 3 4 Thermal Reset No 3 4 34 6 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Reset Nb Em Rst No Reset Nb of St No Reset Motor RunT No 3 4 3 4 3 4 Reset CB Data No 3 4 3 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 117: ...t Settings COMMUNICATION RP1 Address 1 RP1 Baudrate 57600 RP1 Parity Even 3 4 3 4 3 4 RP1 Timesync Disabled 3 4 34 6 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 118: ...000 LED R 8765 Gen Strt 0000 AND Logic DCBA Gen Strt 0000 Opto I P 654321 Rem Rst 000000 6 5 Relay 654321 Gen Strt 000000 6 5 6 5 6 5 4 6 IO CONFIGURATION SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 119: ...ay 654321 Strt I 3 000000 Relay 654321 Strt I2 1 000000 3 4 3 4 3 4 Relay 654321 Strt I2 2 000000 Relay 654321 Strt I2 3 000000 Relay 654321 Strt IN1 1 000000 Relay 654321 Strt IN1 2 000000 3 4 3 4 3 4 3 4 Relay 654321 Strt IN1 3 000000 Relay 654321 Strt IN2 1 000000 Relay 654321 Strt IN2 2 000000 3 4 3 4 3 4 Relay 654321 Strt IN2 3 000000 Relay 654321 THOL Alm 000000 Relay 654321 Strt I 000000 Re...

Page 120: ...rip L1 000000 Relay 654321 Trip L2 000000 Relay 654321 Trip L3 000000 3 4 3 4 3 4 3 4 Relay 654321 Trip I 1 000000 Relay 654321 Trip I 2 000000 Relay 654321 Trip I 3 000000 3 4 3 4 3 4 Relay 654321 Trip I2 3 000000 Relay 654321 Trip IN1 1 000000 Relay 654321 Trip IN1 2 000000 Relay 654321 Trip IN1 3 000000 3 4 3 4 3 4 3 4 Relay 654321 Trip IN2 1 000000 Relay 654321 Trip IN2 2 000000 Relay 654321 T...

Page 121: ... CBOpr Alm 000000 Relay 654321 OptoI P 1 000000 Relay 654321 OptoI P 2 00000 Relay 654321 OptoI P 3 00000 3 4 3 4 3 4 3 4 Relay 654321 OptoI P 4 00000 Relay 654321 OptoI P 5 00000 Relay 654321 OptoI P 6 00000 3 4 3 4 3 4 3 4 3 4 3 4 Relay 654321 Motor Run 000000 Relay 654321 AndLogicA 000000 4 3 4 Relay 654321 AndLogicB 000000 3 4 Relay 654321 AndLogicC 000000 3 4 Relay 654321 AndLogicD 000000 Rel...

Page 122: ... 654321 Blk I 3 000000 Opto I P 654321 Blk I2 1 000000 Opto I P 654321 Blk I2 2 000000 3 4 3 4 3 4 3 4 Opto I P 654321 Blk I2 3 000000 Opto I P 654321 Blk IN1 1 000000 Opto I P 654321 Blk IN1 2 000000 3 4 3 4 3 4 3 4 IO CONFIGURATION Opto I P 654321 Rem Rst 000000 Opto I P 654321 Blk IN2 1 000000 Opto I P 654321 Blk IN2 2 000000 Opto I P 654321 Blk IN2 3 000000 3 4 3 4 3 4 Opto I P 654321 Blk THOL...

Page 123: ... S ANDEQ B Op Time 1 S 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 O P RELAY CONFIG O P 1 Open Time 0 05 S LED G HR SR 0000 LED R HR SR 0000 3 4 3 4 ANDEQ C Rst Time 1 S ANDEQ D Op Time 1 S ANDEQ D Rst Time 1 S 3 4 3 4 3 4 ANDEQ C Op Time 1 S 3 4 3 4 ANDEQ B Rst Time 1 S 3 4 3 4 Contact HR SR 000000 34 6 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is ...

Page 124: ...urbance Record Menu 2 4 16 1 View Edit Settings DISTURBANCE REC Trigger Position 50 3 4 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 125: ...ings COMMISSION TEST Test Mode Disabled Test Pattern 000000 Contact Test No Operation 3 4 3 4 3 4 Test LEDs No Operation 3 4 34 6 SET For Save CLEAR For Cancel 34 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 126: ...s SYSTEM CONFIG OVERCURRENT NEG SEQ O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 LIMIT NB STARTS 3 4 Note Only those Protection Function which are enabled in CONFIGURATION setting are seen in GROUP 1 Setting GROUP 1 3 6 ...

Page 127: ... For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 2 4 18 2 2 View Edit Settings If the setting is enabled 2nd Harmonic Enabled 2nd Harm Thresh 20 I lift 2H 10 00 A 3 4 3 4 4 6 5 SYSTEM CONFIG GROUP 1 3 4 3 4 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings ...

Page 128: ...ngs If the setting is disabled OVER CURRENT I 1 Function Disabled 4 GROUP 1 I 2 Function Disabled I 3 Function Disabled 3 4 3 4 3 4 3 4 3 4 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 129: ...0 A I 1 TMS 1 000 3 4 3 4 I 1 Reset Char DT 3 4 I 1 tRESET 1 00 S 3 4 I 1 2H Blocking Disabled 3 4 OVER CURRENT I 1 Function IEC S Inverse GROUP 1 4 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 130: ...ar DT 3 4 I 1 tRESET 1 00 S 3 4 I 1 2H Blocking Disabled 3 4 I 1 Reset Char IDMT 3 4 I 1 RTMS 1 000 3 4 I 1 2H Blocking Disabled 3 4 3 4 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note The display windows shown in dashed lines will be seen if the I 1 Reset Char function is selected as IDMT indicates EDIT key is used to modify settings Refer to the View and ...

Page 131: ...ime Delay 1 00 S 3 4 3 4 I 1 Reset Char DT 3 4 I 1 tRESET 1 00 S 3 4 I 1 2H Blocking Disabled 3 4 I 1 Function DT OVER CURRENT 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 132: ... Settings If setting is disabled I2 1 Function Disabled NEG SEQUENCE O C 4 GROUP 1 3 4 3 4 3 4 I2 2 Function Disabled I2 3 Function Disabled SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 133: ...A I2 1 TMS 1 000 3 4 3 4 I2 1 Reset Char DT 3 4 I2 1 tRESET 1 00 S 3 4 I2 1 2H Blocking Disabled 3 4 I2 1 Function IEC S Inverse NEG SEQUENCE O C 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer View and Edit settings section ...

Page 134: ...ed 3 4 I2 1 Reset Char IDMT 3 4 I2 1 RTMS 1 000 3 4 I2 1 2H Blocking Disabled 3 4 3 4 I2 1 Function IEEE M Inverse NEG SEQUENCE O C 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note The display windows shown in dashed lines will be seen if the I2 1 Reset Char function is selected as IDMT indicates EDIT key is used to modify settings Refer to the Vie...

Page 135: ...me Delay 1 00 S 3 4 3 4 I2 1 Reset Char DT 3 4 I2 1 tRESET 1 00 S 3 4 I2 1 2H Blocking Disabled 3 4 I2 1 Function DT NEG SEQUENCE O C 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer View and Edit settings section ...

Page 136: ...gs If setting is disabled IN1 1Function Disabled EARTH FAULT 1 4 GROUP 1 3 4 3 4 3 4 3 4 3 4 IN1 2Function Disabled IN1 3Function Disabled SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 137: ...1 1 TMS 1 000 3 4 3 4 IN1 1 Reset Char DT 3 4 IN1 1 tRESET 1 00 S 3 4 IN1 1 2H Blocking Disabled 3 4 IN1 1 Function IEC S Inverse EARTH FAULT 1 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 138: ...bled 3 4 IN1 1 Reset Char IDMT 3 4 IN1 1 RTMS 1 000 3 4 IN1 1 2H Blocking Disabled 3 4 3 4 IN1 1 Function IEEE M Inverse EARTH FAULT 1 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note The display windows shown in dashed lines will be seen if the IN1 1 Reset Char function is selected as IDMT indicates EDIT key is used to modify settings Refer to the...

Page 139: ...Delay 1 00 S 3 4 3 4 IN1 1 Reset Char DT 3 4 IN1 1 tRESET 1 00 S 3 4 IN1 1 2H Blocking Disabled 3 4 IN1 1 Function DT EARTH FAULT 1 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 140: ...tings If setting is disabled IN2 1Function Disabled EARTH FAULT 2 4 GROUP 1 3 4 3 4 3 4 IN2 2Function Disabled IN2 3Function Disabled SET For Save CLEAR For Cancel SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 141: ...N2 1 TMS 1 000 3 4 3 4 IN2 1 Reset Char DT 3 4 IN2 1 tRESET 1 00 S 3 4 IN2 1 2H Blocking Disabled 3 4 IN2 1 Function IEC S Inverse EARTH FAULT 2 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 142: ...bled 3 4 IN2 1 Reset Char IDMT 3 4 IN2 1 RTMS 1 000 3 4 IN2 1 2H Blocking Disabled 3 4 3 4 IN2 1 Function IEEE M Inverse EARTH FAULT 2 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note The display windows shown in dashed lines will be seen if the IN2 1 Reset Char function is selected as IDMT indicates EDIT key is used to modify settings Refer to the...

Page 143: ... Delay 1 00 S 3 4 3 4 IN2 1 Reset Char DT 3 4 IN2 1 tRESET 1 00 S 3 4 IN2 1 2H Blocking Disabled 3 4 IN2 1 Function DT EARTH FAULT 2 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 144: ...efer to the View and Edit settings section 2 4 22 2 View Edit Settings If setting is disabled K Coefficient 3 Thermal Trip Disabled 3 4 3 4 Thermal Alarm Disabled 3 4 Thermal Const T1 20 Mins 3 4 Inh Trip Dur St Disabled THERMAL OVERLOAD 4 GROUP 1 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 3 4 Thermal Const T2 20 Mins 3 4 Cooling Const Tr 60 Mins 3 4 Thermal Lock...

Page 145: ... 70 3 4 Inh Trip Dur St Enabled SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT Thermal Const T2 20 Mins Cooling Const Tr 60 Mins 3 4 Thermal Lockout Enabled K 1 00 Thermal Const T1 20 Mins 3 4 Lockout Thresh 90 3 4 3 4 3 4 3 4 3 4 THERMAL OVERLOAD 4 GROUP 1 6 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 146: ...us Disabled GROUP 1 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 4 4 2 4 23 2 View Edit Settings If the setting is enabled I 1 Status Enabled I 1 Current Set 1 00 A I 1 Time Delay 1 00 S 3 4 3 4 4 6 5 LOSS OF LOAD GROUP 1 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT T inhib 12 00 S 3 4 4 4 ...

Page 147: ...g is disabled 3 4 3 4 I 1 00 A 3 4 IN 1 00 A Remove I Start Disabled Remove IN Start Disabled CB Fail Status Disabled CB FAIL 4 GROUP 1 6 5 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 4 3 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 148: ...set CB Open I 3 4 3 4 I 1 00 A 3 4 IN 1 00 A Remove I Start Enabled 3 4 Remove IN Start Enabled 3 4 CB Fail Status Enabled CB FAIL 4 GROUP 1 6 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT 6 5 4 3 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 149: ...g is disabled Start Criteria I Prolonged Start Disabled Stall Rotor Strt Disabled 3 4 3 4 STALL DETECTION SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT Stall Detection Disabled 3 4 3 4 4 GROUP 1 6 5 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 150: ... Enabled 3 4 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT Stall Detection Enabled 3 4 STALL DETECTION 4 GROUP 1 6 5 4 3 4 Starting Current 5 0 A Prol Start Time 15 00 S 3 4 3 4 Stall Setting 2 5 A Stall Time 0 50 S 3 4 3 4 6 6 3 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 151: ...t Start Stat Disabled Cold Strt Stat Disabled Supervising Time 10 Mins 3 4 3 4 4 LIMIT NB STARTS GROUP 1 SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT T Betw St Status Disabled 3 4 3 4 Inhib Strt Time 10 Mins 3 4 4 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 152: ...10 Mins LIMIT NB STARTS SET For Save CLEAR For Cancel 4 SAVE Settings SET CLEAR DISCARD Settings EDIT T Betw St Status Enabled Time Betwe Start 20 Mins 3 4 Cold Strt Stat Enabled Cold Start NB 3 3 4 3 4 3 4 Inhib Strt Time 10 Mins 3 4 3 4 3 4 3 4 4 GROUP 1 6 5 4 Note indicates EDIT key is used to modify settings Refer to the View and Edit settings section ...

Page 153: ...s SYSTEM CONFIG OVERCURRENT NEG SEQ O C EARTH FAULT 1 EARTH FAULT 2 THERMAL OVERLOAD LOSS OF LOAD CB FAIL STALL DETECTION 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 LIMIT NB STARTS 3 4 Note Only those Protection Function which are enabled in CONFIGURATION setting are seen in GROUP 2 Setting GROUP 2 3 6 ...

Page 154: ...5 Configuration P50 Agile P253 5 114 P253 EN M C ...

Page 155: ...P50 Agile P253 6 Protection Functions P253 EN M C 6 1 PROTECTION FUNCTIONS CHAPTER 6 ...

Page 156: ...6 Protection Functions P50 Agile P253 6 2 P253 EN M C ...

Page 157: ...ion Function Implementation 2 4 3 Timer Hold Facility Reset Characteristics 2 5 Phase Overcurrent Protection Motor Short Circuit Protection 2 5 1 Phase Overcurrent Protection Implementation 2 6 Negative Sequence Overcurrent Protection 2 6 1 Loss of Phase while Starting and Running 2 6 2 Negative Sequence Overcurrent Protection Implementation 2 6 3 Negative Sequence Overcurrent Protection Logic 2 7...

Page 158: ... change in the interrupting device position is detected This is from open to close or detection of a starting current of more than the starting current threshold The start criteria is set to 52a or I in the STALL DETECTION menu settings Extended criteria a change in the interrupting device position is detected along with the detection of a starting current of more than the starting current thresho...

Page 159: ...d sensing device wired into a specified opto input Change of state of this contact indicates successful acceleration of the motor If the line current exceeds the value set in the Starting current and the speed of the motor is equal to zero the relay trips following the programmed Stall Time Note The breaker status must be mapped for this function and the breaker must be closed 52a input high for t...

Page 160: ...ts are defined by an initial thermal state greater than 50 Cold Starts are defined by an initial thermal state lower than 50 The maximum allowable number of starts per period is an auto reset inhibit function This function monitors the number of motor starts in the set period At the end of the period the number of starts is decremented Starts are detected using the 52a status from the breaker Once...

Page 161: ...3 Start inhibition example 1 Start inhibition example 2 The maximum number of starts within the Supervising Time has been reached so the Inhib Strt Time is initiated The remaining time Supervising Time tn is shorter than the Inhib Strt Time so the start inhibition remains for duration equal to Inhib Strt Time Therefore with the default settings and a tn of 55 mins for example the inhibition time b...

Page 162: ... until the end of the Inhib Strt Time or as long as the counter of the number of starts is equal to the maximum allowed starts 2 2 2 Time Between Starts Immediately following a start there is a start inhibit as soon as the interrupting device is opened This is for a period equal to the remaining time of the Time between start settings The Start Lockout condition Time Betwe Start is present until t...

Page 163: ...ime the insulation is maintained at this elevated temperature Due to the relatively large heat storage capacity of an induction motor infrequent overloads of short duration may not damage the machine However sustained overloads of a few per cent may result in premature ageing and failure of insulation If a motor is considered to be a homogeneous body developing heat internally at a constant rate a...

Page 164: ...ating temperature exceeds the maximum designed temperature 2 3 1 Thermal Replica Both the RMS and negative sequence currents are analysed to monitor the thermal state accounting for any phase unbalance present This thermal model takes in account the overheating generated by the negative phase sequence current in the rotor The equivalent motor heating current is calculated by Ieq Irms K Coefficient...

Page 165: ... A 0 5 The calculation of the thermal state is given by the following formula Θi 1 Irms k IFL 1 exp t Te Θi exp t Te The initial state of the machine is included in the time to trip calculation algorithm This is so that the operating time for a thermal trip is decreased if there is a hot motor start Comprehensive measurements and diagnostics can be accessed through the HMI For example the estimate...

Page 166: ...tages Thermal Overload protection is implemented in the THERMAL OVERLOAD column of the relevant settings group The magnitudes of the three phase input currents are compared and the largest magnitude is taken as the input to the thermal overload function Thermal over load function supports setting for alarm and trip stages If the thermal overload function is enabled and thermal state of the protect...

Page 167: ...e with the lockout setting immediately after a trip for example when the interrupting device is open If the thermal capacity is insufficient to allow restart an output contact programmed for the lockout is energised which inhibits a restart When the motor has cooled down this function resets the lockout output contact The Thermal lockout is activated if the following conditions are met Motor shutd...

Page 168: ...arios for a multitude of applications The described products offer a range of overcurrent protection functions including Phase Overcurrent protection Earth Fault Overcurrent protection Negative Sequence Overcurrent protection Sensitive Earth Fault protection Restricted Earth Fault protection To ensure that only the necessary circuit breakers are tripped and that these are tripped with the smallest...

Page 169: ...o digital quantities where they can be processed by the IEDs internal processor In general an energising quantity is compared with a threshold value which may be settable or hard coded depending on the function If the quantity exceeds for overvalues or falls short of for undervalues the threshold a signal is produced which when gated with the various inhibit and blocking functions becomes the Star...

Page 170: ...tervals between the pulses until the fault becomes permanent When the reset time is instantaneous the device will repeatedly reset and not be able to trip until the fault becomes permanent By using the Timer Hold facility the device will integrate the fault current pulses thereby reducing fault clearance time The timer hold facility is available to all three stages of OC and EF functions The Defin...

Page 171: ...operate and reset characteristics where you can select between A range of standard IDMT Inverse Definite Minimum Time curves DT Definite Time This is achieved using the cells I n Function for the overcurrent operate characteristic I n Reset Char for the overcurrent reset characteristic where n is the number of the stage The IDMT capable stages 1 2 and 3 also provide a Timer Hold facility This is c...

Page 172: ...therefore greater and increases the motor losses It is therefore essential to detect any negative sequence current present on the system and act accordingly before dangerous temperatures occur in the motor 2 6 1 Loss of Phase while Starting and Running If a motor is started with one phase open it remains stationary and it can draw a current equalto 0 866 times the normal starting current Under the...

Page 173: ...st common faults on a motor is a stator winding fault This is usually the result of prolonged or cyclic overheating which causes the insulation to deteriorate Since the windings are surrounded by an earthed metal case stator faults usually manifest themselves as earth faults The type of earth fault protection and CT arrangement adopted depends on the amount of earth fault current available during ...

Page 174: ...is compared with a set threshold IN1 n Current Set for each stage If it exceeds this threshold a Start signal is triggered provided there are no blocks Earth Fault protection can follow the same IDMT characteristics as described in the Overcurrent Protection Principles section Please refer to this section for details of IDMT characteristics The description also applies to the Earth Fault 2 element...

Page 175: ...ntage differential protection is sufficiently sensitive in this case We therefore require a different type of protection arrangement Not only should the protection arrangement be sensitive but it must create a protection zone which is limited to the transformer Motor Generator windings Restricted Earth Fault REF protection satisfies these conditions The high impedance measurement principle is a se...

Page 176: ...the device 2 9 1 Restricted Earth Fault Implementation There is no dedicated setting for REF When the P253 relay is ordered with SEF option IN1 element should be used for REF function Note When using the REF function SEF cannot be used and vice versa 2 9 2 Application Note 2 9 2 1 High Impedance REF The high impedance principle is best explained by considering a differential scheme where one CT is...

Page 177: ... fault conditions Voltage across REF element Vs IF RCT2 RL3 RL4 Stabilising resistor RST Vs Is RR where IF maximum secondary through fault current RR device burden RCT CT secondary winding resistance RL2 and RL3 Resistances of leads from the device to the current transformer RST Stabilising resistor To ensure that the protection will operate quickly during an internal fault the CTs used to operate...

Page 178: ...onable time If the fault current has not been interrupted following a set time delay from circuit breaker trip initiation the CBF protection will operate This means the upstream circuit breakers are back tripped to ensure that the fault is isolated CBF operation can also reset all start output contacts ensuring that any blocks asserted on upstream protection are removed 2 11 1 Circuit Breaker Fail...

Page 179: ...ovided the undercurrent elements have also been reset The resetting options are summarised in the following table CBF function Reset options Description I CBF function will reset when the phase currents and earth current is less than set current CB Open I CBF function will reset when both conditions are satisfied CB is open i e CB 52B status is active The phase currents and earth current is less t...

Page 180: ...he following overcurrent protection types Phase Overcurrent protection Earth Fault protection Second harmonic blocking is implemented in the GROUP n SYSTEM CONFIG column where n is the number of the setting group Second harmonic blocking is applicable to all stages of each of the elements The function works by identifying and measuring the inrush currents present at switch on It does this by compa...

Page 181: ...P50 Agile P253 7 Protection Parameter Settings P253 EN M C 7 1 PROTECTION PARAMETER SETTINGS CHAPTER 7 ...

Page 182: ...7 Protection Parameter Settings P50 Agile P253 7 2 P253 EN M C ...

Page 183: ... 2 OVERCURRENT Settings 2 12 2 1 I 1 Function 2 12 2 2 I 2 Function 2 12 2 3 I 3 Function 2 12 3 EARTH FAULT 1 Measured 2 12 3 1 IN1 1 Function 2 12 3 2 IN1 1 Function Sensitive Earth Fault ordering option 2 12 3 3 IN1 2 Function 2 12 3 4 IN1 2 Function Sensitive Earth Fault ordering option 2 12 3 5 IN1 3 Function 2 12 3 6 IN1 3 Function Sensitive Earth Fault ordering option 2 12 4 EARTH FAULT 2 D...

Page 184: ...ble This setting displays the current status of Digital input 13 Relay O P Status Status of the outputs Not editable This setting displays the current status of Digital output 14 CB Open Close No Operation No Operation Open Close This setting supports open and close commands if enabled in the Circuit Breaker Control menu 15 Opto I P DC DC AC This setting allows selection of auxiliary voltage type ...

Page 185: ...one adjustment can be defined using the Local Time offset setting and each interface can be assigned to the UTC zone or local time zone with the exception of the local interfaces which will always be in the local time zone Disabled No local time zone will be maintained Time synchronization from any interface will be used to directly set the master clock and all displayed or read times on all inter...

Page 186: ...A system 19 SET Month 10 1 to 12 Months step of 1 Month setting needed when relay is not connected to SCADA system 20 SET Year 14 0 to 99 Years step of 1 Year setting needed when relay is not connected to SCADA system Note The relay displays the current Date Time set in the relay 2 4 CONFIGURATION Settings Sr No Parameter Defaults setting Setting Ranges 1 Password 0000 0000 to zzzz This setting sp...

Page 187: ...OC Protection 11 Earth Fault 1 Enabled Enabled Disabled This setting enables activate or disables turn off the Measured Earth Fault Protection function 12 Earth Fault 2 Enabled Enabled Disabled This setting enables activate or disables turn off the Derived Earth Fault Protection function 13 Thermal Overload Disabled Enabled Disabled This setting enables activate or disables turn off the Thermal Ov...

Page 188: ...ermal Reset No Yes No Selecting Yes will reset the existing thermal state to zero 7 Reset Nb Em Rst No Yes No Selecting Yes will reset the existing number of emergency restart count to zero 8 Reset Nb of st No Yes No Selecting Yes will reset the existing number of start count to zero 9 Reset Motor RunT No Yes No Selecting Yes will reset the existing Motor runtime record to zero 10 Reset CB Data No...

Page 189: ...LED Green LED RED AND Logic and Opto I P are listed in Chapter 8 Monitoring and Control 2 9 O P RELAY CONFIG Settings Sr No Parameter Defaults setting Setting Ranges 1 Password 0000 0000 to zzzz This setting specifies to enter the set password 2 Contact HR SR 000000 1 HR 0 SR This setting specifies the reset mechanism manual hand reset or self reset for O P relay contacts 3 O P 1 Open Time 0 05 S ...

Page 190: ... No Parameter Defaults setting Setting Ranges 1 Password 0000 0000 to zzzz This setting specifies to enter the set password 2 Test Mode Disabled Disabled Test Mode Contacts Blocked This setting allows secondary injection testing to be performed on the relay itself 3 Test Pattern 000000 0 not operated 1 operated This setting is used to select the output relay contacts that will be tested when the C...

Page 191: ...e type of reset release characteristics IDMT applicable for IEEE curves only 7 I 1 RTMS 1 0 025 to 1 2 step 0 005 This setting determines the reset release time for IEEE IDMT characteristic 8 I 1 tRESET 0 01 S 0 to 100s step 0 01s This setting determines the reset release time for Definite Time DT and all IDMT curve 9 I 1 2H Blocking Disabled Enabled Disabled This setting determines the enabling d...

Page 192: ...se This setting determines the tripping characteristic for the third stage overcurrent element 2 I 3 Current Set 1 In If DT 1 to 35 In step 0 01 In If IDMT then 0 05 to 4 In step 0 01 In This setting determines the pick up setting for second third overcurrent element 3 I 3 Time Delay 1 S 0 to 100s step 0 01s This setting determines the time delay for the definite time setting if selected for third...

Page 193: ...is setting determines the reset release time for Definite Time DT and all IDMT curve 9 IN1 1 2H Blocking Disabled Enabled Disabled This setting determines the enabling disabling of blocking first stage measured earth fault element due to presence of inrush current If IN1 1 Blocking and 2nd Harmonic both settings are enabled then IN1 1 trip command will be blocked in case 2nd harmonics content in a...

Page 194: ...setting if selected for second stage of measured earth fault element 4 IN1 2 TMS 1 0 025 to 1 2 step 0 005 This time multiplier setting is used to adjust the operating time of the IEC UK IDMT characteristic 5 IN1 2 Time Dial 1 0 01 to 100 step 0 01 This time multiplier setting is used to adjust the operating time of the IEEE US IDMT curves 6 IN1 2 Reset Char DT DT IDMT This setting determines the ...

Page 195: ...EC S Inverse S Inverse 1 3Sec IEC V Inverse IEC E Inverse UK LT Inverse IEEE M Inverse IEEE V Inverse IEEE E Inverse US Inverse US ST Inverse This setting determines the tripping characteristic for the third stage measured earth fault element 2 IN1 3 Current Set 1 In If DT 1 0 to 35 In step 0 01 In If IDMT then 0 05 to 4 In step 0 01 In This setting determines the pick up setting for third stage m...

Page 196: ...00s step 0 01s This setting determines the reset release time for Definite Time DT and all IDMT curve 9 IN1 3 2H Blocking Disabled Enabled Disabled This setting determines the enabling disabling of blocking third stage measured earth fault element due to presence of inrush current If IN1 3 Blocking and 2nd Harmonic both settings are enabled then IN1 3 trip command will be blocked in case 2nd harmo...

Page 197: ... for the definite time setting if selected for second stage of derived earth fault element 4 IN2 2 TMS 1 0 025 to 1 200 step 0 005 This time multiplier setting is used to adjust the operating time of the IEC UK IDMT characteristic 5 IN2 2 Time Dial 1 0 01 to 100 step 0 01 This time multiplier setting is used to adjust the operating time of the IEEE US IDMT curves 6 IN2 2 Reset Char DT DT IDMT This...

Page 198: ...nd fundamental current is below I lift 2H setting Set in SYSTEM CONFIG Menu 2 12 5 THERMAL OVERLOAD Settings Sr No Parameter Default setting Setting Range 1 Inh Trip Dur st Disabled Disabled Enabled This setting enables disables the thermal inhibition on starting 2 K Coefficient 3 In 0 to 10 In in step 1 In This setting determines the value of the negative sequence contribution factor in the therm...

Page 199: ...e time delay for the definite time setting if selected for first stage Negative sequence overcurrent element 4 I2 1 TMS 1 0 025 to 1 2 step 0 005 This time multiplier setting is used to adjust the operating time of the IEC UK IDMT characteristic 5 I2 1 Time Dial 1 0 01 to 100 step 0 01 This time multiplier setting is used to adjust the operating time of the IEEE US IDMT curves 6 I2 1 Reset Char DT...

Page 200: ...nd Harmonic both settings are enabled then I2 2 trip command will be blocked in case 2nd harmonics content in any phase is above the 2ndHarm Thresh and fundamental current is below I lift 2H setting Set in SYSTEM CONFIG Menu 2 12 7 3 I2 3 Function Sr No Parameter Default setting Setting Range 1 I2 3 Function IEC S Inverse Disabled DT IEC S Inverse S Inverse 1 3Sec IEC V Inverse IEC E Inverse UK LT...

Page 201: ... In step 0 01 In This setting determines the current threshold which will reset the CB Fail timer for Earth fault based protection 6 Remove I Start Disabled Disabled Enabled This setting for removing phase over current start signal following CBF operation 7 Remove IN Start Disabled Disabled Enabled This setting for removing earth over current start signal following CBF operation 2 12 9 STALL DETEC...

Page 202: ...ot and cold starts 6 T Betw St Status Disabled Disabled Enabled This enables disables the setting for time between two starts 7 Time Betwe Start 20 Mins 1 to 120min step 1min This setting determines the minimum time between two starts 8 Inhib Strt Time 10 Mins 1 to 120min step 1min This setting determines the length of start inhibit signal once the maximum limit of either of the two counters cold ...

Page 203: ...P50 Agile P253 8 Monitoring Control P253 EN M C 8 1 MONITORING CONTROL CHAPTER 8 ...

Page 204: ...8 Monitoring Control P50 Agile P253 8 2 P253 EN M C ...

Page 205: ...Record 2 3 Record Control 2 4 Display of Measuring Parameters 2 4 1 MEASUREMENT 1 Submenu 2 4 2 MEASUREMENT 2 Submenu 2 5 Opto Inputs 2 6 Output Relays 2 6 1 Output Relay Function Assignment 2 6 2 O P Relay Configuration 2 6 3 O P Contact Open Time 2 7 Programmable LEDs 2 8 Logic Equations 2 9 CB Monitoring 2 9 1 CB Open Supervision 2 9 2 CB Open Operation Alarm 2 10 CB Control 2 10 1 Local Contro...

Page 206: ...uto detects IEC 60870 5 103 and MODBUS command and responds in respective language There is no specific setting which defines the protocol selection between IEC60870 5 103 and Modbus 2 1 1 Event Record The event record is generated when certain events happen A change in any digital input signal or protection element output signal causes an event record to be created These events are generated by t...

Page 207: ... as maintenance records If there are any maintenance records these will appear automatically in the VIEW RECORDS column You can select the maintenance record in the Maint Record submenu in the VIEW RECORDS column The latest maintenance record is always displayed at the top while navigating the Maint Record submenu The following details are applicable for maintenance data Capacity 100 records Trigg...

Page 208: ...imum value of one of the 3 phase currents 2 3 Record Control The data stored in Event Fault Maintenance Disturbance Records can be cleared by enabling the settings Clear Events Clear Faults Clear Maint Clear Dist Recs in Record Control menu The Thermal State can be reset by enabling the Thermal Reset setting 2 4 Display of Measuring Parameters The device directly measures and calculates a number o...

Page 209: ...r for number of Thermal trip Last Start Time second Last start time Last St Current amp Last starting current Nb Hot St Allow count Counter for number of motor hot start allowed Nb Cold St Allow count Counter for number of motor cold start allowed Time to Next st second Time before permitted start Total Nb of strt count Counter for number of starts Nb Emergency Rst count Counter for number of Emer...

Page 210: ... 2 Function used to block tripping of derived E F stage 2 Blk IN2 3 Function used to block tripping of derived E F stage 3 Blk THOL Function used to block tripping of Thermal Overload Blk I Function used to block tripping of Under Current EmerRest Function used to restart motor in emergency condition Speed Sw Function used for detection of locked rotor condition TCS Trig Status is used to monitor ...

Page 211: ...tart detected in phase A Strt L2 Start detected in phase B Strt L3 Start detected in phase C Strt I 1 Start O C stage 1 Strt I 2 Start O C stage 2 Strt I 3 Start O C stage 3 Strt I2 1 Start Neg seq O C stage 1 Strt I2 2 Start Neg seq O C stage 2 Strt I2 3 Start Neg seq O C stage 3 StrtIN1 1 Start Measured E F stage 1 StrtIN1 2 Start Measured E F stage 2 StrtIN1 3 Start Measured E F stage 3 StrtIN2...

Page 212: ... 2 Trip in Neg seq O C stage 3 Trip I2 3 Trip in Neg seq O C stage 2 TripIN1 1 Trip in Measured EF stage 1 TripIN1 2 Trip in Measured EF stage 2 TripIN1 3 Trip in Measured EF stage 3 TripIN2 1 Trip in Derived EF stage 1 TripIN2 2 Trip in Derived EF stage 2 TripIN2 3 Trip in Derived EF stage 3 THOL Trip Trip in Thermal overload THOL Lkt Thermal lockout Trip I Trip in Under Current CBF Trip Trip in ...

Page 213: ...o fault persisting The contact can be reset by pressing CLEAR key The selection of HR SR type is made by changing bits value from 0 or 1 in O P RELAY CONFIG menu setting For Self reset output contact set bit 0 For Latch type HR output contact set bit 1 The bit position for relay contacts is as shown in following table RL 6 RL 5 RL 4 RL 3 RL 2 RL 1 0 0 0 0 0 0 1 is HR type 0 is SR type For example ...

Page 214: ... be assigned to any available function The programmable LEDs are identified as L5 to L8 Different functions can be assigned by using P50 Configurator as well as relay user interface On the user interface the LEDs can be assigned to any function from I O configuration menu The function can be assigned to any input by entering the values to them either 0 or 1 i e 0 not assigned and 1 assigned The fo...

Page 215: ... 8 LR 7 LR 6 LR 5 0 0 0 0 1 is HR type 0 is SR type 2 8 Logic Equations The device supports 4 Logic AND equations which can be used to form Boolean functions using AND operators Any function available in the IO Mask can be assigned to any single equation Maximum numbers of signals that can be assigned to any equation depends on the number of functions available in IO mask for assignment The Logic ...

Page 216: ...urate assessment of the circuit breaker condition Relay records following circuit breaker operation statistics Record in Measurement Description BOT Breaker Opening Time This is a circuit breaker opening time in ms BOC Breaker Operation Counter This counter indicates numbers of CB operations TC Trip Counter This counter indicates number of protection trips The above counters can be reset to zero a...

Page 217: ...o one of the relay opto inputs The relay compares the Breaker Operation Counter BOC with CB Open Operations CB Open Oper setting and generates a CB Open Operation alarm Therefore when the counter exceeds the set value it shows that the preventative maintenance is due The alarm message is displayed on the LCD display and the START LED starts blinking The associated event is stored in Event Record 2...

Page 218: ...Control By cell to option 2 Local or option 4 Local Remote in the CB CONTROL menu 2 10 2 Remote Control Remote CB control can be achieved by setting the CB Open Close cell in the SYSTEM DATA column to Open or Close by using a SCADA command to the rear interface RP1 For this to work you have to set the CB Control By cell to option 3 Remote or option 4 Local Remote in the CB CONTROL menu We recommen...

Page 219: ...ring the status of opto input 52A If the status of 52A input is not high after the expiry of close pulse time settable in the range of 0 1 to 50 sec then the relay output contact which is assigned to CB Close fail will operate Simultaneously the relay will generate Close Fail alarm on the LCD display and the associated event will be stored in the Event Record The operation of Close Fail is explain...

Page 220: ...uld trip the CB For this reason optional resistors R1 and R2 are often used to limit the current in the event of a short circuited opto input It is recommended to use 2 5 KΩ 50 W resistor for all type of auxiliary power supply 2 12 Self Diagnostic Features The P253 relay includes a self monitoring function to check the operation of its hardware and software while in service If there is a problem w...

Page 221: ... and vice versa The output contact assigned to Relay OK will become inactive in case any error is detected failure of auxiliary supply There are 6 nos of programmable binary outputs changeover type contacts marked as RL1 to RL6 Any binary output can be assign as watchdog contact by assigning Relay OK signal through IO CONFIGURATION setting or using IO Mask function in P50 Agile Configurator ...

Page 222: ...8 Monitoring Control P50 Agile P253 8 20 P253 EN M C ...

Page 223: ...P50 Agile P253 9 SCADA Communications P253 EN M C 9 1 SCADA COMMUNICATIONS CHAPTER 9 ...

Page 224: ...9 SCADA Communications P50 Agile P253 9 2 P253 EN M C ...

Page 225: ...2 2 Physical Connection and Link Layer 2 2 3 Initialisation 2 2 4 Time Synchronisation 2 2 5 Spontaneous Events 2 2 6 General Interrogation GI 2 2 7 Cyclic Measurements 2 2 8 Commands 2 2 9 Test Mode 2 2 10 Disturbance Records 2 2 11 Configuration 2 2 12 Protocol Mapping 2 3 DNP3 0 2 3 1 Overview 2 3 2 DNP V3 00 Device Profile 2 3 3 Implementation Table 2 3 4 Point List 2 3 4 1 Binary Input Points...

Page 226: ...ndard The IED address and baud rate can be selected using the front panel menu or with P50 Agile configurator When using a serial interface the data format is 1 start bit 8 data bits 1 stop bit a total of 10 bits per character 2 1 2 MODBUS Functions 2 1 2 1 Protocol Mapping The following MODBUS function codes are supported Code Function Name Addresses starts with 02 Read Input Status 1x addresses ...

Page 227: ...40031 40040 Relay Description 10 20 Bytes ASCII R 40041 40050 Sr No Function Code Register No of Regs Format Reg Type Address Map 2 Relay Configuration 03 Num Status s 1 16 bit R 40258 Num Controls c 1 16 bit R 40259 Num Parameters p 1 16 bit R 40260 Num Faults f 1 16 bit R 40261 Sr No Function Code Register No of Regs Format Reg Type Address Map 3 Time Synchronization Unicast Broadcast 03 16 Year...

Page 228: ...ay of week is Monday Sr No Function Code Register No of Regs Format Reg Type Address Map 4 Status and Logical Status 02 Gen Strt 1 1 bit R 12769 Strt L1 1 1 bit R 12770 Strt L2 1 1 bit R 12771 Strt L3 1 1 bit R 12772 Strt I 1 1 1 bit R 12773 Strt I 2 1 1 bit R 12774 Strt I 3 1 1 bit R 12775 Strt I2 1 1 1 bit R 12776 Strt I2 2 1 1 bit R 12777 Strt I2 3 1 1 bit R 12778 Strt IN1 1 1 1 bit R 12779 Str...

Page 229: ...810 Trip IN2 3 1 1 bit R 12811 THOL Trip 1 1 bit R 12813 Trip I 1 1 bit R 12815 CBF Trip 1 1 bit R 12816 Ext Trip 1 1 bit R 12817 CBOpr Alm 1 1 bit R 12818 Opto I P 1 1 1 bit R 12819 Opto I P 2 1 1 bit R 12820 Opto I P 3 1 1 bit R 12821 Opto I P 4 1 1 bit R 12822 Opto I P 5 1 1 bit R 12823 Opto I P 6 1 1 bit R 12824 TCS Alarm 1 1 bit R 12825 Trip LED 1 1 bit R 12826 CBOpn Sup 1 1 bit R 12827 EmerR...

Page 230: ...er No of Regs Format Reg Type Address Map 5 Outputs 05 LED Reset 1 16 bit W 03025 Trip 1 16 bit W 03026 Close 1 16 bit W 03027 Output 1 1 16 bit W 03028 Output 2 1 16 bit W 03029 Output 3 1 16 bit W 03030 Output 4 1 16 bit W 03031 Output 5 1 16 bit W 03032 Output 6 1 16 bit W 03033 ...

Page 231: ...R 33309 33310 I0 2 32 bit Float R 33311 33312 Load Current 2 32 bit Float R 35201 35202 Time To Th Trip 2 32 bit Float R 35203 35204 Nb of Th Trip 2 32 bit Float R 35205 35206 Last Start Time 2 32 bit Float R 35207 35208 Last St Current 2 32 bit Float R 35209 35210 Nb Hot St Allow 2 32 bit Float R 35211 35212 Nb Cold St Allow 2 32 bit Float R 35213 35214 Time To Next St 2 32 bit Float R 35215 3521...

Page 232: ...ed to initialize the communications The device will respond to either of the two reset commands Reset CU or Reset FCB Communication Unit or Frame Count Bit The difference between the two commands is that the Reset CU command will clear any unsent messages in the transmit buffer whereas the Reset FCB command does not delete any messages The device will respond to the reset command with an identific...

Page 233: ... list of commands supporting the P253 relay are shown in the table below The device will respond to valid Control Command with ASDU1 and a cause of transmission indicating Positive COT 20 Negative COT 21 acknowledgement The device will respond to commands with invalid FUN INF combination with an ASDU 1 with a cause of transmission indicating negative acknowledgement 2 2 9 Test Mode It is possible ...

Page 234: ...on 5 6 160 Note X under GI heading means DI Status is included in General Interrogation response Sr No INF Description GI TYP COT FUN 2 Semantics of INFORMATION NUMBER Status Indications in monitor direction 19 Trip LED X 1 1 7 9 20 21 160 22 Local parameter setting X 1 11 12 160 27 Opto I P 1 X 1 1 7 9 160 28 Opto I P 2 X 1 1 7 9 160 29 Opto I P 3 X 1 1 7 9 160 30 Opto I P 4 X 1 1 7 9 160 31 Opto...

Page 235: ...6 140 Strt IN2 1 X 2 1 7 9 126 141 Strt IN2 2 X 2 1 7 9 126 142 Strt IN2 3 X 2 1 7 9 126 200 THOL Alm 2 1 7 9 126 178 Strt I X 2 1 7 9 126 26 Strt CBF X 2 1 7 9 124 4 StrtDFail X 2 1 7 9 124 154 I BCBF 2 1 7 124 155 IN1 BCBF 2 1 7 124 22 Test Mode 2 1 7 124 156 CloseFail 2 1 7 124 157 Open Fail 2 1 7 124 145 Relay OK 2 1 7 9 127 163 EmerRest X 2 1 7 9 124 164 Strt Stal X 2 1 7 9 124 249 Suprvsn T ...

Page 236: ...urands in monitor direction 148 Measurand IL 1 2 3 9 2 7 160 155 IN1 IN2 I0 I1 I2 IrmsR IrmsY IrmsB Th state Last Start Current Load Current 9 2 7 160 0 Load_Current Last Start Current Trip Counter Breaker Operation Counter Number of Thermal Trip Authorised hot start number Authorised cold start number Number of starts Number of Emergency starts Breaker Operating Time Last Start Time Time to therm...

Page 237: ...0 127 99 Output 6 ON OFF 20 20 127 2 3 DNP3 0 2 3 1 Overview This section describes the specific implementation of the Distributed Network Protocol DNP 3 0 in P253 Motor protection relay It uses Triangle MicroWorks Inc DNP 3 0 Slave Source Code Library Version 3 17 For information on how to communicate with P253 using DNP3 0 protocol this document should be read in conjunction with the DNP3 0 Basi...

Page 238: ...3 relays The Implementation Table provided in Section 2 3 3 The Point List Tables provided in Section 2 3 4 DNP V3 00 DEVICE PROFILE DOCUMENT Vendor Name General Electric Device Name P50 Platform using the Triangle MicroWorks Inc DNP 3 0 Slave Source Code Library Version 3 17 Highest DNP Level Supported For Requests Level 2 For Responses Level 2 Device Function Master Slave ...

Page 239: ... 17 or 28 will be responded with qualifiers 17 or 28 For change event object requests qualifiers 17 or 28 are always responded 16 bit and 32 bit Analog Change Events with Time may be requested The read function code for Object 50 Time and Date variation 1 is supported Maximum Data Link Frame Size octets Transmitted 292 Received 292 Maximum Application Fragment Size octets Transmitted 2048 Received...

Page 240: ...figurable DIRECT OPERATE Never Always Sometimes Configurable DIRECT OPERATE NO ACK Never Always Sometimes Configurable Count 1 Never Always Sometimes Configurable Pulse On Never Always Sometimes Configurable Pulse Off Never Always Sometimes Configurable Latch On Never Always Sometimes Configurable Latch Off Never Always Sometimes Configurable Queue Never Always Sometimes Configurable Clear Queue N...

Page 241: ...Sometimes attach explanation ENABLE DISABLE UNSOLICITED Function codes supported Sends Static Data in Unsolicited Responses Never When Device Restarts When Status Flags Change No other options are permitted Default Counter Object Variation No Counters Reported Configurable attach explanation Default Object 20 Default Variation 5 Point by point list attached Counters Roll Over at Point Index Name D...

Page 242: ...1 start stop 06 no range or all 07 08 limited qty 17 28 index 129 response 00 01 start stop 17 28 index see note 2 2 0 Binary Input Change Variation 0 is used to request default variation 1 read 06 no range or all 07 08 limited qty 2 1 Binary Input Change without Time 1 read 06 no range or all 07 08 limited qty 129 response 17 28 index 2 2 default see note 1 Binary Input Change with Time 1 read 06...

Page 243: ...p 17 28 index see note 2 20 6 16 Bit Binary Counter without Flag 1 read 7 freeze 8 freeze noack 9 freeze clear 10 frz cl Noack 00 01 start stop 06 no range or all 07 08 limited qty 17 28 index 129 response 00 01 start stop 17 28 index see note 2 22 0 Counter change Event 1 read 06 no range or all 07 08 limited qty 22 1 default see note 1 32 Bit Counter Change Event without Time 1 read 06 no range ...

Page 244: ...l 07 08 limited qty 129 response 17 28 index 32 3 32 Bit Analog Change Event with Time 1 read 06 no range or all 07 08 limited qty 129 response 17 28 index 32 4 16 Bit Analog Change Event with Time 1 read 06 no range or all 07 08 limited qty 129 response 17 28 index 32 7 Single precision floating point with time 1 read 06 no range or all 07 08 limited qty 129 response 17 28 index 50 0 Time and Dat...

Page 245: ...Points Every Binary Input Status points are included in class 0 polls because they are included in one of classes 1 2 or 3 Binary Input Points Static Steady State Object Number 1 Change Event Object Number 2 Request Function Codes supported 1 read Static Variation reported when variation 0 requested 1 Binary Input without status flags Change Event Variation reported when variation 0 requested 2 Po...

Page 246: ... Stall 0 1 38 Suprvsn T 0 1 39 Inhibit Start 0 1 40 Time between start 0 1 41 General Trip 0 1 42 Trip L1 0 1 43 Trip L2 0 1 44 Trip L3 0 1 45 Trip I 1 0 1 46 Trip I 2 0 1 47 Trip I 3 0 1 48 Trip I2 1 0 1 49 Trip I2 2 0 1 50 Trip I2 3 0 1 51 Trip IN1 1 0 1 52 Trip IN1 2 0 1 53 Trip IN1 3 0 1 54 Trip IN2 1 0 1 55 Trip IN2 2 0 1 56 Trip IN2 3 0 1 57 Th Trip 0 1 58 Thermal Lockout 0 1 59 Trip I 0 1 6...

Page 247: ...se ON 4 Output 2 0 Pulse ON 5 Output 3 0 Pulse ON 6 Output 4 0 Pulse ON 7 Output 5 0 Pulse ON 8 Output 6 0 Pulse ON 2 3 4 3 Binary Counters The following table lists Binary Counters Object 20 Every binary counter points are included in class 0 polls because they are included in one of classes 1 2 or 3 Binary Counters Static Steady State Object Number 20 Change Event Object Number 22 Request Functi...

Page 248: ...ariation 0 requested 1 32 Bit Analog Input Change Event Variation reported when variation 0 requested 1 32 Bit Analog Change Event w o Time Change Event Scan Rate The scan rate for analog input change events is fixed at 1s Point Index Name Description Initial value Initial Change Event Class 1 2 3 or none 0 IN1 0 3 1 IL 1 0 3 2 IL 2 0 3 3 IL 3 0 3 4 IN2 0 3 5 I0 0 3 6 I1 0 3 7 I2 0 3 8 L1 RMS 0 3 ...

Page 249: ...P50 Agile P253 10 Installation P253 EN M C 10 1 INSTALLATION CHAPTER 10 ...

Page 250: ...10 Installation P50 Agile P253 10 2 P253 EN M C ...

Page 251: ...2 2 1 Flush Panel Mounting 2 3 Relay Connection 2 3 1 1 Relay Operating Condition 2 3 1 2 Current Transformer CT Circuit 2 3 1 3 Insulation and Dielectric Strength Testing 2 3 2 Cables and Connectors 2 3 3 Terminal Blocks 2 3 3 1 CT Auxiliary Power Input Output Connections 2 3 3 2 Rear Serial Port Connection 2 3 3 3 Power Supply Connections 2 3 3 4 Earth Connection 2 3 3 5 Current Transformers 2 3...

Page 252: ...ry and reasonably free from dust and excessive vibration This particularly applies where installation is being carried out at the same time as construction work 2 1 3 Storing the Goods If the unit is not installed immediately store it in a place free from dust and moisture in its original packaging Keep any de humidifier bags included in the packing The de humidifier crystals lose their efficiency...

Page 253: ...ing clamp and screws are supplied along with the relay For mounting the relay in to the panel follow this procedure 1 By loosening the M5 x 10 screws remove the fitting clamps on the relay and then insert the Relay in to the panel cut out as show below Figure 1 Inserting relay in to the panel cutout 2 After inserting the relay in the panel using the fitting clamps and the M5 x 10 screws fasten the...

Page 254: ...ure your safety The terminal exposed during installation may present a hazardous voltage unless the equipment is electrically isolated Any disassembly of the equipment may expose parts to hazardous voltage Electronic parts may be damaged if suitable electrostatic discharge ESD precautions are not taken Voltage and current connection should be made using insulated crimp termination to ensure that t...

Page 255: ... personnel and could damage insulation For safety the secondary of the line CT must be shorted before opening any connection to it 2 3 1 3 Insulation and Dielectric Strength Testing Insulation testing may leave capacitors charged up to a hazardous voltage At the end of each test the voltage should be gradually reduced to zero to discharge capacitors otherwise this may result in damage 2 3 2 Cables...

Page 256: ...ort Connection The rear serial port is intended for use with a permanently wired connection to a remote SCADA system The physical connectivity is achieved using three screw terminals C3 C4 terminals for signal connection and C5 terminal for connecting cable shield The terminal block is located at the rear of the relay as shown below Figure 7 Rear Serial port terminal block 2 3 3 3 Power Supply Con...

Page 257: ...terminal on the rear side of the relay Note To prevent any possibility of electrolytic action between brass or copper ground conductors and the rear panel of the product precautions should be taken to isolate them from one another This could be achieved in several ways including placing a nickel plated or insulating washer between the conductor and the product case or using tinned ring terminals 2...

Page 258: ...ectrical connection of the cable screen to the device The link is provided purely to link together the two cable screens 2 3 3 7 Output Relay Connections These should be wired with 1 mm PVC insulated multi stranded copper wire terminated with M4 ring terminals 2 3 3 8 USB Connection The IED has a type B USB socket on the front panel A standard USB printer cable type A one end type B the other end ...

Page 259: ...P50 Agile P253 11 Commissioning Instructions P253 EN M C 11 1 COMMISSIONING INSTRUCTIONS CHAPTER 11 ...

Page 260: ...11 Commissioning Instructions P50 Agile P253 11 2 P253 EN M C ...

Page 261: ...heck 2 1 7 Commissioning Test Equipment Required 2 1 8 Battery Check 2 1 9 External Circuitry Check 2 1 9 1 Earthing 2 1 9 2 CT Polarity 2 1 10 Check Relay Settings 2 1 11 Protection Timing Checks 2 1 11 1 Overcurrent Check 2 1 11 2 Connecting the Test Circuit 2 1 11 3 Performing the Test 2 1 11 4 Checking the Operating Time 2 1 12 Thermal Overload Protection 2 1 12 1 Connect the Test Circuit 2 1 ...

Page 262: ...EC 60870 5 103 builds changes the Cause of Transmission COT to Test Mode To enable testing of output contacts the Test Mode cell should be set to Contacts Blocked This blocks the protection from operating the contacts and enables the test pattern and contact test functions which can be used to manually operate the output contacts When testing is complete the cell must be set back to Disabled to re...

Page 263: ...lay is losing its time or date settings or you are receiving an RTC Error message you will need to check the internal battery To check follow the steps listed below Remove all the electrical connection like SCADA system current inputs voltage inputs etc from the relay terminals Reconfigure date and time setting by using the feather touch keys After re configuring the date and time switch OFF the r...

Page 264: ...s manually via the front panel interface or using the P50 Agile configurator tool 2 1 11 Protection Timing Checks Only one protection function needs to be checked This is to verify the timing on the processor is functioning correctly 2 1 11 1 Overcurrent Check If the overcurrent protection function is being used test the overcurrent protection for stage 1 1 Check for any possible dependency condit...

Page 265: ...ter for operating time accuracy IEC V Inverse 13 50 IEC E Inverse 26 67 UK LT Inverse 20 00 IEEE M Inverse 3 8 IEEE V Inverse 7 03 IEEE E Inverse 9 50 US Inverse 2 16 US ST Inverse 12 12 Note With the exception of the definite time characteristic the operating times given are for a Time Multiplier Setting TMS or Time Dial Setting TDS of 1 For other values of TMS or TDS the values need to be modifi...

Page 266: ...hermal State If not this reset can be done through the cell RECORD CONTROL Thermal Reset by selecting YES Check the position of the interrupting device by viewing the status of the two opto inputs 52a and 52b status inputs used to indicate the device position The 52a input must be energised to simulate the closed position of the interrupting device to enable the thermal protection heating time con...

Page 267: ...e current IFL Thermal trip or full load current rating settable k Settable 1 to 1 5 step 0 01 A Initial thermal state eg If the initial thermal state is 50 then A 0 5 The time to a thermal trip becomes t τln k2 k2 1 The equation used to calculate the time to the thermal alarm is talarm τln k2 k2 Thermal Alarm 100 Thermal Alarm Alarm Threshold setting in percentage Since a current of twice the sett...

Page 268: ...easuring the negative sequence current magnitude or derived earth fault current 3 Ensure the current flowing in the neutral circuit of the current transformers is negligible 4 Compare the values of the secondary phase currents with the measured values This information can be found in the MEASUREMENTS menu The Secondary values displayed on the relay should be equal to the applied secondary current ...

Page 269: ...e setting change can be made 8 If a P991 MMLG test block is installed remove the P992 MMLB test plug and replace the cover so that the protection is put into service 9 Ensure that all event records fault records disturbance records alarms and LEDs and communications statistics have been reset Note The Clear Maint function will clear all the Maintenance record memory ...

Page 270: ...11 Commissioning Instructions P50 Agile P253 11 12 P253 EN M C ...

Page 271: ...P50 Agile P253 12 Maintenance and Troubleshooting P253 EN M C 12 1 MAINTENANCE AND TROUBLESHOOTING CHAPTER 12 ...

Page 272: ...12 Maintenance and Troubleshooting P50 Agile P253 12 2 P253 EN M C ...

Page 273: ...is chapter consists of the following sections 1 Chapter Overview 2 Maintenance 2 1 Maintenance Checks 2 1 1 Opto Isolators 2 1 2 Output Relays 2 1 3 Measurement Accuracy 2 2 Changing the Battery 2 2 1 Replacing the Lithium Coin Battery 2 3 Replacing the Unit 2 4 Cleaning 3 Troubleshooting ...

Page 274: ...location these are predominantly restricted to checking that the unit is measuring the applied currents and voltages accurately and checking the circuit breaker maintenance counters For this reason maintenance checks should also be performed locally at the substation Caution Before carrying out any work on the equipment you should be familiar with the contents of the Safety Section or the Safety G...

Page 275: ... of failure The battery periodically needs changing if there is a low battery condition to ensure reliability The lithium coin battery is located on the CPU PCB Caution Before carrying out any work on the equipment you should be familiar with the contents of the Safety Section or the Safety Guide Pxxx SG 4LM 2 and the ratings on the equipment s rating label 2 2 1 Replacing the Lithium Coin Battery...

Page 276: ... coin battery on the CPU PCB Figure 3 Battery location on CPU PCB 4 Gently remove the battery If necessary use a small insulated screwdriver 5 Make sure the metal terminals in the battery socket are free from corrosion grease and dust 6 Remove the replacement battery from its packaging and insert it in the battery holder ensuring correct polarity Orient the lithium coin battery so that the positiv...

Page 277: ...eshooting chapter of this manual If the problem persists or lies with the wiring and or terminals then you must replace the complete device rewire and re commission the device Once the unit has been reinstalled it should be re commissioned Caution If the repair is not performed by an approved service centre the warranty will be invalidated Caution Before carrying out any work on the equipment you ...

Page 278: ...at all AC and DC supplies and transformer connections are isolated to prevent any chance of an electric shock while cleaning Only clean the equipment with a lint free cloth dampened with clean water Do not use detergents solvents or abrasive cleaners as they may damage the product s surfaces and leave a conductive residue ...

Page 279: ...re Incompatible CommFirmware Unused FRAM 2 Error FRAM 1 Error ADC Error Unused RTC Error Unused Setting Error The Error code descriptions are listed below Sr No Error code display Error Data Bitwise Description Causes Action taken by MCU Proposed action 1 0001 0000 0000 0000 0001 SETTING Error 1 Setting corrupted 2 Change of Setting address in memory ON LED turns Red and OUT OF SERVICE LED starts ...

Page 280: ...with the protocol option as per relay model number ON LED turns Red Flash correct FW as per the cortec information on the relay 7 Incompatible Firmware 0000 1000 0000 0000 Incompatible Firmware Error Firmware being flashed is incompatible with the hardware option as per relay model number e g mismatch in CT selection DI Input threshold voltage etc ON LED turns Red and OUT OF SERVICE LED starts bli...

Page 281: ...P50 Agile P253 13 Technical Specifications P253 EN M C 13 1 TECHNICAL SPECIFICATIONS CHAPTER 13 ...

Page 282: ...13 Technical Specifications P50 Agile P253 13 2 P253 EN M C ...

Page 283: ...P50 Agile P253 13 Technical Specifications P253 EN M C 13 3 1 CHAPTER OVERVIEW This chapter consists of the following sections 1 Chapter Overview 2 Technical Specification 2 1 1 Standards Compliance ...

Page 284: ...pper nominal range for DC supply 80 of lower nominal range and 110 of upper nominal range for AC supply III Nominal burden on 24 230 V auxiliary power supply 24 230 VAC 10 VA no status energized 13 VA with all status and output energised 24 230 V DC 3 W no status energized 4 5 W with all status and output energised IV Tolerable ac ripple Up to 15 of highest dc supply as per IEC 60255 26 2013 V Rel...

Page 285: ... Set delay 7 5 or 55 ms whichever is greater IDMT only for IEEE US curves Calculated time 10 Earth Fault 1 Measured Standard CT SEF CT I Operating value Pick up Setting 5 Minimum trip level IDMT 1 05 x Setting 5 Drop off 0 95 x Setting 5 II Operating time IDMT characteristic shape As per clause 5 2 of 60255 151 or 50 ms whichever is greater DT operation 5 or 55 ms whichever is greater Reference co...

Page 286: ...ue 97 of thermal setting 5 II Cooling Time Accuracy 15 of theoretical time Loss of Load I Operating value Pick up 0 95 x Setting 5 Drop off 1 05 x Setting 5 Operating time DT operation 5 or 55 ms whichever is greater II T inhib DT operation 5 or 55 ms whichever is greater CB Fail I Operating time DT operation 5 or 60 ms whichever is greater CBF Reset 30 ms II Operating value Reset current I IN1 Se...

Page 287: ... Pollution Degree II 2 1 1 Standards Compliance SR NO TYPE TEST STANDARD TEST SPECIFICATION METHOD 1 Impulse Dielectric and Insulation tests 1 1 Impulse voltage test IEC 60255 27 2005 incl corrigendum 2007 Test voltage 5kv 1 2 50 µV Energy 0 5 J Polarity ve and ve No of impulses 3 on each polarity Duration between impulses 5s EUT condition Non energised 1 2 Dielectric voltage withstand test IEC 60...

Page 288: ...with temporary loss of protection 2 5 AC ripple in DC supply IEC 60255 11 IEC60255 26 ed3 0 2013 Level 15 Frequency 100 120 Hz 2 6 Gradual shutdown start up test IEC60255 26 ed3 0 2013 The unit must power down and up correctly with no mal operation Shut down time 60s Power off time 5 min Startup time 60s 2 7 Reversal of DC power supply polarity test IEC 60255 11 Product shall withstand for 1 minut...

Page 289: ...2 2kV 5 kHz and 100 kHz applied to communication ports EUT condition Energised 4 5 Radiated radio frequency electromagnetic field disturbance test EN 61000 4 3 2006 A1 2008 Level 4 IEC60255 26 ed3 0 2013 Voltage level 10 V m and 30 V m Frequency range For 10 V m 800 1000 MHz 1 4 2 7 GHz For 30V m 80 960 MHz 1 4 2 GHz Modulation 80 AM 1 KHz Spot frequency 80 160 380 450 900 1850 2150MHz 4 6 Conduct...

Page 290: ... condition Energised 5 2 Vibration endurance test EN 60255 21 1 1996 Class 2 Frequency range 10 to 250Hz Peak acceleration 2 gn No of sweep cycles per axis 20 EUT condition Non energised 5 3 Shock response test EN 60255 21 2 1996 Class 2 Peak acceleration 10 gn Pulse duration 11 ms No of pulses in each direction 5 EUT condition Energised 5 4 Shock endurance test EN 60255 21 2 1996 Class 2 Peak acc...

Page 291: ...0 C EUT energised Functional verification tests for 2 hours Intermediate 10 C EUT energised Functional verification tests for 2 hours Low temp 25 C EUT energised Functional verification tests for 96 hours Low temp 25 C EUT not energised Storage for 96 hours Cold start 25 C EUT energised Operate for 2 hours Last test 20 C EUT energised Functional verification tests for 2 hours 6 3 Change of tempera...

Page 292: ...13 Technical Specifications P50 Agile P253 13 12 P253 EN M C ...

Page 293: ...P50 Agile P253 14 Wiring Diagrams P253 EN M C 14 1 WIRING DIAGRAMS CHAPTER 14 ...

Page 294: ...14 Wiring Diagrams P50 Agile P253 14 2 P253 EN M C ...

Page 295: ...P50 Agile P253 14 Wiring Diagrams P253 EN M C 14 3 1 CHAPTER OVERVIEW This chapter consists of the following sections 1 Chapter Overview 2 Wiring Diagram ...

Page 296: ...14 Wiring Diagrams P50 Agile P253 14 4 P253 EN M C 2 WIRING DIAGRAM Figure 1 P253 wiring diagram ...

Page 297: ......

Page 298: ...this document is indicative only No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictly proh...

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