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FUNCTION CHARACTERISTICS

NA016 - Manual - 05 - 2022

4 F U N C T I O N C H A R A C T E R I S T I C S

4.1 HARDWARE DESCRIPTION

The following figure illustrates the basic structure of the relay.

Printed boards hold the circuit components arranged according to a modular allocation of the main

functions.

Power supply board

All the components necessary for conversion and stabilization functions are present.

Two versions are envisaged suited to the input range 24...230 V.

The circuit provides stabilized voltages of +5 V and -5 V, required for the analogue measurement and

+3.3 V for supplying the digital circuits.

The circuit board additionally comprises:

INPUT CIRCUITS:

• Three binary input circuits,

The logical input circuits and the block circuits include photo-couplers which provide for galvanic

separation.

OUTPUT CIRCUITS:

• Four output relays (k1...K4).

hw.ai

RTC

CPU BOARD

POWER SUPPLY BOARD

INPUT MODULE

CTs

DSP

1A/5A

≈

EEprom

RS485

RELAYS

K1...K4

Output contacts

RS232

MMI

LCD

LEDs

BINARY INPUTS

IN1

Input

IN2

IN3

POWER SUPPLY

+5 V

+10 V

0 V

+24 V

-10 V

POWER F

AIL

RESET

Uaux

≈
≈
≈

LPCT

s CURRENT INPUTS

Setting

LPCT

800 A

400 A

200 A

100 A

50 A

In=50...1250A

Содержание NA016

Страница 1: ...NA016 Manual 05 2022 MANUAL NA016 PHASE RESIDUAL OVERCURRENT PROTECTION RELAY...

Страница 2: ...y power supply Uaux 13 Phase current input circuits 13 Residual current input circuit 13 Binary input circuits 13 3 3 OUTPUT CIRCUITS 13 Output relays 13 3 4 MMI 14 3 5 COMMUNICATION INTERFACES 14 Loc...

Страница 3: ...S 43 6 4 NOMINAL CURRENT In AND IEn SETTING 48 6 5 NOMINAL CURRENT In SETTING FOR LPCT 50 6 6 LED ALLOCATION 51 6 7 FINAL OPERATIONS 51 7 PROGRAMMING AND SETTINGS 52 7 1 SW ThyVisor 52 ThyVisor instal...

Страница 4: ...c consent Warranty Thytronic warrants devices against defects in materials and workmanship under normal use for a period of ONE 1 YEAR from the date of retail purchase by the original end user purchas...

Страница 5: ...I def The display messages MMI are shown as NA016 Notes are highlighted with cursive letters inside colored bar Note Useful description note Glossary definitions IEn Relay residual nominal current IEn...

Страница 6: ...ration with operate time Operating time Duration of time interval between the instant when the character istic quantity in reset condition is changed under specified condi tions and the instant when t...

Страница 7: ...2nd threshold of the 50 element It is not available for reading missing arrow AND and NAND logic gates OR and NOR logic gates Limit block I threshold Computation block Max phase current Threshold set...

Страница 8: ...tDROP tDROP Minimum pulse width operation for output relays tTR tTR t tTR INPUT OUTPUT tTR 0 T tTR t tTR INPUT OUTPUT Latched operating mode for output relays and LEDs Pulse operating mode for output...

Страница 9: ...ive current contribution of the feeder on external ground fault The NA016 protection relay may be shipped with traditional CTs or low power LPCT current inputs Following input circuits are available T...

Страница 10: ...coil continuity Auxiliary supply comprising a switching type voltage stabilizing circuit having a very wide working range and a very small power dissipation Nominal frequency 50 or 60 Hz The most sig...

Страница 11: ...requirements for measuring relays and protection equipment EN 60255 26 Apparati di automazione e controllo per centrali e stazioni elettriche Compatibilit elettromagnetica Immunit ENEL REMC 02 Normat...

Страница 12: ...A m Damped oscillatory wave 1 MHz 30 A m Emission Reference standards EN 60255 25 IEC 60255 25 EN 61000 6 4 IEC 61000 6 4 EN 55011 CISPR 11 Electromagnetic emission tests Conducted emission auxiliary...

Страница 13: ...RJ45 plug Relay nominal phase current In 100 A Extended primary current 50 A 1250 A selectable by DIP switch Max primary current 12 5 kA Nominal secondary voltage with Inp 100 A 22 5 mV Residual curre...

Страница 14: ...02 9 99 s step 0 01 s 10 0 60 0 s step 0 1 s Nota 1 The O and I keys are not actives Note 2 The different versions must be select on order Note 3 The nominal current settings doesn t concern the 50 51...

Страница 15: ...En step 0 001 IEn 1 00 5 00 IEn step 0 01 IEn IE def Operating time tE def 0 03 180 s 0 03 9 99 s step 0 01 s 10 0 99 9 s step 0 1 s 100 180 s step 1 s IE Reset time delay tE RES 0 00 1 00 s step 0 01...

Страница 16: ...rigger ThyVisor General Trigger general from start trips Start Trip Trigger from start trips Start I I Trip I Set analog channels Analog 1 Analog 4 Instantaneous currents value iL1 iL2 iL3 iE RMS valu...

Страница 17: ...e 24 230 V The circuit provides stabilized voltages of 5 V and 5 V required for the analogue measurement and 3 3 V for supplying the digital circuits The circuit board additionally comprises INPUT CIR...

Страница 18: ...ch as transient currents with overlapping exponential which typically appear during faults The circuit board also houses the output relays with the corresponding command and control cir cuits communic...

Страница 19: ...ns The main modules are diagnostic function input management logical inputs and block signal protective functions event recording output management output relays LEDs and block signals Each element Ke...

Страница 20: ...rectly by the application e g counters Self test application This function cyclically monitors the operation of the main hardware and software functions without affecting the process cycle with any si...

Страница 21: ...The measures concerning a level are based on data worked out in the previous level For each level the required resources concerning the priority for tasks conditioning circuits DSP are on hand ACQUISI...

Страница 22: ...Trip 50N 51N LED Trip CB OPEN LED Trip CB CLOSED LED TCS LED PROTECTION Phase overcurrent 50 51 Residual overcurrent 50N 51N CONTROL MONITORING Circuit Breaker Position 52b Circuit Breaker Position 52...

Страница 23: ...CS Trip Circuit Supervision TCS Trip Circuit Supervision Supervision with one binary input may be performed The exhaustive treatment of the TCS function is described in the concerning paragraph 52a an...

Страница 24: ...nd is issued RESET key ThyVisor or commu nication command It is advisable to make sure that the output contact technical data are suitable for load Nominal current breaking capacity make current switc...

Страница 25: ...I I I One red LED 2 latched tagged for TRIP of one or more protective elements IE IE One red LED 3 no latched tagged for binary input state visualization 52a CB position 1 One red LED 4 no latched tag...

Страница 26: ...l are implemented ModBus RTU Modbus is a serial communications protocol It is a de facto standard communica tions protocol in industry and is now the most commonly available means of connecting indust...

Страница 27: ...ustive treatment of Dip setup is de scribed in the 6 4 and 6 5 SETTING NOMINAL CURRENTS In AND IEn paragraph Settings Inside the Set Base menu the following parameters can be set Primary rated values...

Страница 28: ...IEnp 100 A Example 2 The residual CT primary current IEnp must be set as IEnp 100 A Measurement reading mode With Reading Relative setting all measures are related to the nominal value With Reading Di...

Страница 29: ...EIT t 80 t inv I I inv 2 1 Where t operate time I inv threshold setting t inv operate time setting For all inverse time characteristics following data applies Asymptotic reference value minimum pickup...

Страница 30: ...rip LEDs IL1 t def 0 T 1 I def t def Start I Trip I IL1 I def TRIPPING M ATRIX LED REL AYS IL2 IL2 I def IL3 IL3 I def I Start relays I Start LEDs I Trip relays I Trip LEDs t RES T 0 t RES IL1 t def 0...

Страница 31: ...After expiry of the associated operate time a trip command is issued if instead the current drops below the threshold the element is restored For all elements the upper limit for measuring is 10 IEn A...

Страница 32: ...IE TRIPPING M ATRIX LED REL AYS IE IE def IE Start relays IE Start LEDs IE Trip relays IE Trip LEDs t RES T 0 tE RES IE IE def tE def tE def 0 T Start IE Trip IE TRIPPING M ATRIX LED REL AYS IE IE def...

Страница 33: ...ents I O states faulted phase is stored inside twenty memory register The relay diagnostic self test is verified any failure may drive relays and LEDs Trip circuit supervision 74TCS Preface The trip c...

Страница 34: ...oil excitation voltage UAUX auxiliary voltage RTC coil resistance 2 To energize the binary input circuit when the TRIP contact and CB open the series resistance must be lowerer than a maximum value de...

Страница 35: ...lure is detect and stored inside the 100 events Data Logger Operation and settings 52a is the auxiliary contact in the breaker that is in the same position as the breaker 52a open CB open It must be a...

Страница 36: ...d the corresponding programmed output relay is switched the corresponding LED lit and the outcome recorded as the most recent event The test condition is shown by means of the blinking green ON 2 Test...

Страница 37: ...recorded into a circular FIFO First In First Out buffer 2 Following information are stored in every record Read Faults Info menu Fault counter Faults stored 3 Last fault Date and time S Year Date and...

Страница 38: ...freq eg 50 or 60 Hz Firmware release ef 1 00 Protocol release eg 1 00 Protections trip Protections trip eg Trip I Self test Following information are available Read Self test Info menu Type Self test...

Страница 39: ...n given the user defined setting with the following parameters Pre trigger times number of periods Number of allocated channels Example 1 With the following setting Analog channel 1 iL1 Analog channel...

Страница 40: ...fault record Display example The figure below shows the registration of the followings Instantaneous value of phase current IL1 IL1 Value of fundamental component of phase current IL1 IL1 Measure Log...

Страница 41: ...sembly Flush mounting Rack9 Flush mounting The fixed case fitted with special fastening brackets is mounted on the front of electric control board previously drilled as indicated in the drawing In cas...

Страница 42: ...h system EIA 310 D IEC 60297 and DIN 41494 SC48D the MAR adapter is required available on request To allow opening of the keyboard door a one unit space must be provided when several rack are overlapp...

Страница 43: ...ls may be mounted for safety purposes Devices must be installed by qualified personnel only No liability is accepted from Thytronic due to improper use CAUTION Amperometric phase inputs from tradition...

Страница 44: ...ned in the centre of the transformer so that the magnetic effect of the three cables is perfectly compensated in the absence of residual current Fig 2a Hence the assembly indicated in the drawing of f...

Страница 45: ...suring instruments and the resistance of the connections must not ex ceed the line CT performance In particular consumption of the relay input circuit must not exceed 0 2 VA while the load expressed i...

Страница 46: ...trip relays K3 signalling relay It is advisable to verify that the technical characteristic of the contacts be suitable for the applied load about current nominal voltage make and break current etc A...

Страница 47: ...point connecting the specially provided resistor termination can be made by means a jumper between the E1 E2 terminals Termination resistors allow adjusting the impedance of the line reducing the infl...

Страница 48: ...to not disconnect the flat cable Avoid touching the printed circuit and connections 1 Note 1 There are components present which are sensitive to electrostatic discharge When the module is removed it...

Страница 49: ...number on the printed circuit board not considering the numbers on the component Dip swithes position Dip switch localization concerning the nominal current setting inside the front board Default sett...

Страница 50: ...Note 1 For LPCT versions the dip switch position located inside the CPU board concerning the phase 1 A or 5 A current setting are irrelevant C7 C8 F1 D1 RX TX F2 F3 F4 F5 A1 A2 A3 A4 A5 A6 A7 A8 A9 A1...

Страница 51: ...ary voltage in the panel falls within the operative range of relays The rated current of the line CT s corresponds to the settings of relay All wirings are correct All screws are tightly screwed Note...

Страница 52: ...means of XML files ThyVisor installation The latest release of ThyVisor can be downloaded free of charge from the www thytronic it site Products Software 1 ThyVisor use Please refer to ThyVisor user...

Страница 53: ...ighted and possible faults blink lighted The display backlight is automatically activated when any key switch is set By means of the Up or Down buttons it is possible to cyclically browse through the...

Страница 54: ...rogress status is highlighted by the symbol E flashing in the upper right area of the display Change the parameter by means theUp orDown keys the message K1 Logic Energized is displayed Press the Ente...

Страница 55: ...ition or removing the auxiliary power supply to the NA011 relay Reset Inside the Reset menu the clearing of counters Reset counters LEDs and relays Reset alarm may be operated DEFAULT Option Available...

Страница 56: ...Reading Direct Inp value 300 Inp unit A IEnp value 100 IEnp unit A Base K1 Trip I Trip I Trip IE K1 logic De energized K2 mode No latched K2 None K2 tTR 200 ms K3 None K1 tTR 200 ms K3 logic De energ...

Страница 57: ...485 Modbus Address 1 Baudrate RS485 9600 Enable TX delay 2 ms Start TX delay 1 ms Test I led Test I led Test I led Test IE led Test IE led Test I full Test I full Test I full Test IE full Test IE full...

Страница 58: ...e current values referred to the nominal current of the current transformers as directly in primary amperes according to the preset value of CT s nominal primary current the same is done for the input...

Страница 59: ...se time characteristics following data applies Asymptotic reference value minimum pickup value 1 1 I inv Minimum operate time 0 1 s Range where the equation is valid 2 3 1 1 I I inv 20 If I pickup 2 5...

Страница 60: ...55 3 BS142 type A F_51 IECA Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 t s t inv 10 s t inv 60 s t inv 5 s t inv 1 s t inv 0 5 s t inv 0 2 s t inv 0 1 s t inv 0 02 s t t in...

Страница 61: ...55 3 BS142 type B F_51 IECB Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 t s t inv 10 s t inv 60 s t inv 5 s t inv 1 s t inv 0 5 s t inv 0 2 s t inv 0 02 s t inv 0 1 s t t in...

Страница 62: ...255 3 BS142 type C F_51 IECC Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 100000 t s t inv 10 s t inv 60 s t inv 5 s t inv 1 s t inv 0 5 s t inv 0 2 s t inv 0 02 s t inv 0 1...

Страница 63: ...IN3 A14 A15 A16 A17 A18 OUTPUT RELAYS A4 A6 A5 K2 A2 A1 A3 K1 A11 A12 A10 K4 A9 A8 A7 K3 UAUX A19 A20 A22 A21 B E1 RS485 1 2 3 120 A CIrcuit Breaker Monitoring Trip Circuit Supervision TCS NA016 IE C...

Страница 64: ...APPENDIX 64 NA016 Manual 05 2022 8 3 APPENDIX B2 Interfaces Interfaces ai NA016 RS232 FRONT PANEL A22 A21 B E1 RS485 1 2 3 120 A...

Страница 65: ...hensive for real applications For all diagrams the output contacts are shown in de energized state for standard reference NA016 SCH ai CB position NA016 C1 IL1 IL2 IL3 P1 S1 S2 P2 C2 C3 C4 C5 C6 C7 C8...

Страница 66: ...C2 C1 C3 C4 C5 C6 P1 S1 S2 P2 IL1 IL2 IL3 CB position NA016 A13 IN1 IN2 IN3 A14 A15 A16 A17 A18 DG 50 51 IE P1 S1 S2 P2 C7 C8 50N 51N Two phase CTs and residual current from core balanced CT CIrcuit B...

Страница 67: ...S1 S2 P2 P1 S1 S2 P2 C2 C3 C4 C5 C6 C7 C8 RS232 FRONT PANEL A13 IN1 IN2 IN3 A14 A15 A16 A17 A18 OUTPUT RELAYS A4 A6 A5 K2 A2 A1 A3 K1 A11 A12 A10 K4 A9 A8 A7 K3 UAUX A19 A20 A22 A21 B E1 RS485 1 2 3 1...

Страница 68: ...A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 E1 3 1 2 3 1 2 100 200 300A EX In LPCT 50 200 400 100 800 Setting L3 L2 L1 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 3 1 2 3 1 2 CTs standa...

Страница 69: ...ctive EMC Directive Reference of standards and or technical specifications applied for this declaration of conformity or parts thereof harmonized standards Reference n Issue Title EN 61010 1 EN 50263...

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