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Chapter 6. Description of Operation of Protection Subsystem 

 

 

6-13 

M7IRDA2003I 
7IRD-A/J/M: Distribution Protection & Control Terminal 
© ZIV APLICACIONES Y TECNOLOGÍA, S.L.U. 2020 

 

 

6.6 

Recloser (7IRD-A/J Models) 

The Recloser function in the 

7IRD

 IEDs is designed to initiate up to four reclose attempts with 

independent settings of the Recloser and security times. 
 
Independent Recloser Timer settings are available for each dead time interval for both phase 
and ground faults. The types of controlled Recloser signals are: 
 

- 

Recloser starts for phase-to-ground faults tripped by the ground time unit. 

- 

Recloser starts for phase-to-ground faults tripped by the ground instantaneous unit. 

- 

Recloser starts for phase-to-phase faults tripped by the time units (Phase Time). 

- 

Recloser  starts  for  phase-to-phase  faults  tripped  by  the  instantaneous  units  (Phase 

Instantaneous). 

- 

Recloser starts for open phase unit trip. 

- 

Recloser starts for residual current unit trip. 

- 

Recloser starts for external protection unit trip. 

 
Following figures show flow diagrams describing the operation of the Recloser. Reclose Initiate 
(

IR

) signal shown in these diagrams is the logic sum of the following signals: 

 

IR-F (Recloser starts for phase-to-phase faults) 
IR-N (Recloser starts for phase-to-ground faults) 

 
Therefore 

IR = IR-F + IR-N

  

 

IR

 is activated when either 

IR-P

 or 

IR-N

 is initiated. 

IR

 is reset when both 

IR-P

 and 

IR-N

 are 

reset. 

6.6.1 

Reclose Sequence 

Up  to  four  reclose  attempts  can  be  programmed  in  the  reclose  sequence.  A  sequence  of 
operations  takes  place  during  each  of  these  close attempts  that  is  controlled by  the Recloser 
settings, external inputs, and inputs from the protection elements. 

 

Reclose Initiate 

When the Recloser function is in the Recloser Reset state, reclosing can be initiated by internal 
protection  elements  or  an 

External  Protection Trip  Input

  (

APE

).  When  the 

Reclose  Initiate

 

(

IR

)  signal  is  activated,  the  Recloser  switches  from  the 

Reset

  state  to  the 

Sequence  Check 

Time

  state.  The 

Sequence  Check  Time

  timer  begins  timing  at  this  point.  If  this  timing  is 

completed before the fault is cleared (

IR

 de-activated) and the breaker opens (

IA

), the Recloser 

switches to 

Recloser Lockout Due To Breaker Failure

. Manually closing the breaker will reset 

the Recloser provided the breaker remains closed for the Recloser 

Reset Time after Manual 

Close

  set  by  the  user.  If  the  fault  has  been  successfully  cleared,  the  reclose  sequence 

continues with the activation of the 

Reclose Sequence in Progress

 (

CC

) signal. 

Содержание 7IRD-A

Страница 1: ...Instructions Manual for 7IRD A J M Models M7IRDA2003Iv00 REV 00 March 2020 ZIV APLICACIONES Y TECNOLOG A S L U 2020 7IRD A J M Distribution Protection Control Terminal...

Страница 2: ......

Страница 3: ...s 1 5 1 5 Model Selection 1 7 2 Technical Data 2 1 2 1 Power Supply Voltage 2 2 2 2 Protection Subsystem 2 2 2 2 1 Power Supply Burden 2 2 2 2 2 Current Analog Inputs 2 2 2 2 3 Measurement Accuracy 2...

Страница 4: ...lements 6 3 6 1 1 a Time Current Characteristics 6 4 6 1 2 Instantaneous Elements 6 7 6 1 3 Overcurrent Units Block Diagrams 6 7 6 1 4 Torque Control Pickup Blocking Enable 6 8 6 1 5 Trip Blocking and...

Страница 5: ...Outputs 7 10 7 2 3 d HMI Outputs control HMI 7 10 8 Alphanumeric Keypad and Display 8 1 8 1 Alphanumeric Display and Keypad 8 2 8 2 Keys Functions and Operation Modes 8 3 8 3 Access to Functions Usin...

Страница 6: ...12 A PROCOME 3 0 Communications Protocol A 1 A 1 Settings A 2 A 1 1 Configuration Settings A 2 A 1 2 Logic Settings A 2 A 2 Description of Operation A 3 A 2 1 General Settings A 3 A 2 2 Logic A 3 A 2...

Страница 7: ...rrent Detection Neutral Unbalance Unit 1 3 1 3 Control Subsystem Functions 1 4 1 3 1 Local Control and Status Indication of all Bay Elements 1 4 1 3 2 Local Recloser Control 7IRD A J Models 1 4 1 3 3...

Страница 8: ...ned with other intelligent electronic devices IEDs to form an integrated system for protecting and controlling medium voltage lines transformers generators and feeders in general This instruction manu...

Страница 9: ...set independently Reclosing is selectable up to a maximum of four attempts with independent settings for Recloser timers dead or open breaker wait times and reset times The reclosing sequence is cont...

Страница 10: ...ot If the order is not executed a message will appear on the screen and if it is finally performed the Recloser s symbol on the screen will change to the new status 1 3 3 Measurement Presentation The...

Страница 11: ...eaker will not be subjected to an undesirable number of operations during a fixed period of time LED Targets Terminal unit front panel indication consists of fourteen LEDs Twelve of them are user defi...

Страница 12: ...tion and Control Settings Protection Operations Last Trip Started Units Activated Units Inputs and Outputs Status Metering used by Protection Subsystem Phase and Ground Currents Maximum Current Positi...

Страница 13: ...D 120 120 3 Vac 60 Hz Spanish 1 110 110 3 Vac 50 Hz Spanish E 60 Hz Portuguese 2 60 Hz English F 120 120 3 Vac 60 Hz Portuguese 3 120 120 3 Vac 60 Hz English G 50 Hz French A 50 Hz English H 110 110...

Страница 14: ...Chapter 1 Description M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 1 8...

Страница 15: ...Trip and Close Outputs 2 4 2 2 9 Auxiliary Contact Outputs 2 4 2 3 Control Subsystem 2 5 2 3 1 Power Supply Burden 2 5 2 3 2 Current Analog Inputs Measurement Circuit Board 2 5 2 3 3 Voltage Inputs M...

Страница 16: ...erate a maximum interruption of 100ms at 110Vdc 2 2 Protection Subsystem 2 2 1 Power Supply Burden Quiescent 7 W Maximum 20 W 2 2 2 Current Analog Inputs Nominal Value In 5A or 1A depending on the mod...

Страница 17: ...rent with no DC component IT Pick up value for a current with maximum DC offset 2 2 7 Status Contact Inputs Electrically separated programmable inputs with polarity The number of digital outputs will...

Страница 18: ...Capability with resistive load 150 W max 8 A 48 Vdc 55 W 80 Vdc 250 Vdc 1250 VA Break L R 0 04 s 60 W at 125 Vdc Switching Voltage 250 Vdc Momentary Close Time Trip Contacts remain Closed 100 ms 2 2 9...

Страница 19: ...alog Inputs Measurement Circuit Board Nominal Value Phase and Ground In 5A or 1A Thermal Withstand Capability 4 In continuously 50 In for 3 s 100 In for 1 s Dynamic Limit 240 In Current Circuit Burden...

Страница 20: ...Service with resistive load 8 A Close 2500 W Breaking Capability with resistive load 150 W max 8 A 48 Vdc 55 W 80 Vdc 250 Vdc 1250 VA Break L R 0 04 s 60 W at 125 Vdc Switching Voltage 250 Vdc Momenta...

Страница 21: ...ter Minimum Power 50 125 Fiber 20 dBm 62 5 125 Fiber 17 dBm 100 140 Fiber 7 dBm Receiver Sensitivity 25 4 dBm Plastic Fiber Optics 1 mm Wavelength 660 nm Transmitter Minimum Power 16 dBm Receiver Sens...

Страница 22: ...Chapter 2 Technical Data M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 2 8...

Страница 23: ...3 Standards and Type Test 3 1 Insulation 3 2 3 2 Electromagnetic Compatibility 3 2 3 3 Environmental Test 3 3 3 4 Power Supply 3 3 3 5 Mechanical Test 3 3...

Страница 24: ...50 Hz for 1min Voltage Impulse Test IEC 60255 5 5 kV 1 2 50 s 0 5 J 3 2 Electromagnetic Compatibility 1 MHz Burst Test IEC 60255 22 1 Class III Common mode 2 5kV Differential mode 1kV Fast Transient...

Страница 25: ...re IEC 60255 6 Operating range From 10 C to 55 C Storage range From 25 C to 70 C Humidity 95 non condensing 3 4 Power Supply Power Supply Interference and Ripple IEC 60255 11 20 3 5 Mechanical Test Vi...

Страница 26: ...Chapter 3 Standards and Type Tests M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 3 4...

Страница 27: ...4 1 General 4 2 4 2 Protection and Control Interconnection 4 3 4 3 Dimensions 4 3 4 4 Connection Elements 4 4 4 4 1 Terminal Connectors and Connector Blocks 4 4 4 4 2 Removing of Printed Circuit Board...

Страница 28: ...following functions Power Supply Seven Single Contact Digital Processor Module Eight Digital Inputs Outputs two of them are commutable An Auxiliary Output corresponding to Two Double Contact Digital...

Страница 29: ...rd is just above of the control based circuit board The top circuit board is that corresponding to the measurements that have directly communication with the control subsystem Figure 4 2 7IRD Rear Vie...

Страница 30: ...ck having 24 connectors The association between each connector and the internal digital signals will depend of the IED configuration The analog current input terminals 10 connectors terminal block adm...

Страница 31: ...loser Settings 7IRD A J Models 5 4 5 1 5 Logic Settings 5 6 5 1 6 Breaker Monitoring Settings 5 7 5 1 7 Metering History Log 5 7 5 1 8 Oscillographic Recording Optional 5 8 5 2 Control Subsystem Setti...

Страница 32: ...from Remote Port YES NO Digital Inputs YES NO Configuration of the Inputs Digital Outputs and LED Targets The unit is supplied with the factory default configuration for Inputs Outputs and LEDs Input...

Страница 33: ...Ground Ratio 0 1 1 2 In 0 01A Time Curve Definite Time Inverse Very Inverse Extremely Inverse User Programmable Time Dial 0 05 1 0 01 Definite Time Dial 0 05 100s 0 01s Torque Control Pickup Blocking...

Страница 34: ...0 04 0 48 In 0 01A Time Delay 0 05 0 70s 0 01s Note Pickup ratio for phase and ground elements are in In function 5A or 1A For example for 5A the phase time ratio is 1 12A 5 1 4 Recloser Settings 7IR...

Страница 35: ...ng Range Phase Instantaneous IF YES NO Phase Time TF YES NO Ground Instantaneous IN YES NO Ground Time TN YES NO Open Phase FA YES NO Residual Current DN YES NO Trip Enable 7IRD J Model Setting Range...

Страница 36: ...Enable 7IRD J Model Setting Range Phase to Phase tripped by Phase 1 Instantaneous I1F YES NO Phase to Phase tripped by Phase Time TF YES NO To Ground tripped by Ground 1 Instantaneous I1N YES NO To Gr...

Страница 37: ...Supervision Enable YES NO Close Coil Circuit Supervision Enable YES NO Depending on the chosen setting YES NO the position of the internal jumpers on the input output circuit board should be modified...

Страница 38: ...Model Setting Range Phase Time PT YES NO Ground Time GT YES NO Phase Instantaneous PI YES NO Ground Instantaneous GI YES NO Open Phase OP YES NO Residual Current RC YES NO Open Command OC YES NO Exter...

Страница 39: ...nications Setting Range Terminal Address Not sensitive enter any number Baud Rate 4800 Bauds Stop Bits 1 Frontal Port Parity 0 no parity 1 even parity Remote Port Communications Setting Range Step Ter...

Страница 40: ...p Time 0 5 to 1 00 s 79 Failure Time 0 00 to 10 00 s Voltage Absence Time 0 00 to 15 00 s 89 Failure Time 0 00 to 30 00 s Time for Failure of Automatic Control 0 00 to 5 00 s 90 Temporary Block Time 0...

Страница 41: ...ual Close 6 17 6 6 4 Manual and External Blocking 6 18 6 6 5 Definite Trip 6 19 6 6 6 Recloser Not in Service 6 19 6 6 7 Reclose Counter 6 19 6 6 8 Recloser and Trip Control Masks 6 19 6 7 Logic 6 21...

Страница 42: ...D Targets 6 36 6 15 1 Inputs 6 36 6 15 2 Auxiliary Outputs and Trip Contact Outputs 6 38 6 15 3 LED Targets 6 43 6 16 Communications 6 44 6 16 1 Communications Settings 6 44 6 16 2 Communications Type...

Страница 43: ...eous and Phase 2 and Ground 2 Instantaneous Figure 6 5 shows the block diagram of one of these units 6 1 1 Time Elements The circuit continuously processes the RMS value of current analog input I base...

Страница 44: ...Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 6 4 6 1 1 a Time Current Characteristics Figures 6 1 6 2 and 6 3 show the pre programmed time current characteristic curves provided by the p...

Страница 45: ...on of Protection Subsystem 6 5 M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 Figure 6 2 Very Inverse Time Current Characteristic 1 5 13 S I t...

Страница 46: ...of Protection Subsystem M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 6 6 Figure 6 3 Extremely Inverse Time Current Characteristic 1 80 2 S I...

Страница 47: ...on occurs whenever the difference between current samples taken 180 apart exceeds 2 1 times the peak value of the pickup setting Filtering out the DC offset component in combination with the applicati...

Страница 48: ...of the Time Overcurrent element is blocked by resetting the Integrator module to its initial condition with the counter at zero To enable Time Overcurrent tripping this input must remain de energized...

Страница 49: ...ut APE Once the I_FI signal is activated and current is still detected by the terminal unit P_INT signal the Breaker Failure signal P_FI starts the counter for the Breaker Failure Time Delay T_FI If T...

Страница 50: ...when this ratio exceeds the user adjustable setting Once the Open Phase element has picked up output T_FASE_A is initiated If the T_FASE_A signal is present for a period of time equal to or greater t...

Страница 51: ...d Overcurrent element is designed to detect situations of sustained residual or unbalance currents by the existence of zero sequence currents which are below expected ground fault values Figure 6 9 Re...

Страница 52: ...f 1 will display the secondary values of the CTs A setting equivalent to the CT transformation ratio will display the primary values of the system Open Breaker Status The function of the Open Breaker...

Страница 53: ...m of the following signals IR F Recloser starts for phase to phase faults IR N Recloser starts for phase to ground faults Therefore IR IR F IR N IR is activated when either IR P or IR N is initiated I...

Страница 54: ...mediately Recloser Timer Dead Time The Recloser Time Dead Time is the time the breaker is allowed to remain open before a reclose is attempted This time delay starts when the Recloser Timer Dead Time...

Страница 55: ...apter 6 Description of Operation of Protection Subsystem 6 15 M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 Figure 6 10 Recloser Flow Diagram...

Страница 56: ...pter 6 Description of Operation of Protection Subsystem M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 6 16 Figure 6 11 Recloser Flow Diagram...

Страница 57: ...h occurs before the Reset Time is completed initiates a new reclose attempt and the Recloser switches to the Sequence Check Time state 6 6 2 Recloser Lockout The previous sections in this chapter have...

Страница 58: ...of block signals Manual and External Priority is given to the block commands received first To remove the block the corresponding opposite command should be issued Manual Blocking The Recloser can be...

Страница 59: ...which indicate the number of reclose attempts completed One counter records the number of reclose attempts after the Recloser at rest trip and the second counts the number of reclose attempts of the r...

Страница 60: ...ting a trip Reclose Enable Enabling or disabling of reclosing is possible in these faults Phase to Ground Faults tripped by the Time Elements Ground Time Phase to Phase Faults tripped by the Time Elem...

Страница 61: ...interrupt the breaker trip coil current 6 7 2 Breaker Open and Breaker Close Failure Time For manual operations as for those generated by the protection or Reclose units the non reception of the brea...

Страница 62: ...ervision is achieved in both the open and closed positions of the circuit breaker The supervision function generates two outputs Trip Coil Circuit Supervision Failure FCD and Close Coil Circuit Superv...

Страница 63: ...will not change their states simultaneously and a transient logic 0 will appear at the output of the exclusive OR When this disagreement lasts less than 5 seconds this 0 will not modify the state of...

Страница 64: ...enu The programmable inputs software menu enables the assignment of IN 6 IN 8 IN 5 and IN 7 to SBAIA SBCIC SSP 1 and SSP 3 signals respectively The association made in the preceding figure is IN 6 SBA...

Страница 65: ...activated this output is captured by the sequence of events recorder This function has two settings I2 Alarm Level I2 Cumulative Present Value The Cumulative Present Value is updated each time a brea...

Страница 66: ...hange is carried out with the setting Activate Group Settings menu Change of setting group using the communications port or digital input need of a specific enabling by an option in the Configuration...

Страница 67: ...up 1 4 Phase A Instantaneous 7IRD A M Instantaneous 1 7IRD J Unit Pickup 1 5 Phase B Instantaneous 7IRD A M Instantaneous 1 7IRD J Unit Pickup 1 6 Phase C Instantaneous 7IRD A M Instantaneous 1 7IRD J...

Страница 68: ...stantaneous 7IRD A M Instantaneous 1 7IRD J Output Deactivation 2 7 Ground Instantaneous 7IRD A M Instantaneous 1 7IRD J Output Deactivation 2 8 Phase A Instantaneous 2 Unit Reset 7IRD J 3 5 Phase B I...

Страница 69: ...act Input IN 2 Deactivation 2 2 Status Contact Input IN 3 Deactivation 2 3 Status Contact Input IN 4 Deactivation 2 4 Status Contact Input IN 5 Deactivation 2 5 Status Contact Input IN 6 Deactivation...

Страница 70: ...n expansion 3 4 Status Contact Input IN 5 Deactivation expansion 3 5 Status Contact Input IN 6 Deactivation expansion 3 6 Status Contact Input IN 7 Deactivation expansion 3 7 Status Contact Input IN 8...

Страница 71: ...which is the resolution time of the recorder It is necessary to remember that the possibility exists to mask those events that are not necessary The events can be masked by communications within Gener...

Страница 72: ...s according to model Fault End Time Tag corresponds at the moment date and time when the last element involved in the fault resets Also included Open Current by the Breaker it s the maximum registered...

Страница 73: ...the maximum and minimum averages considering the three phases In each TR interval the maximum and minimum values of all the computed VM values are taken The outline of current in preceding figure wou...

Страница 74: ...d with the ability to activate or de activate the channels as required with the relevant setting Recording Mode The following Recording Modes are selectable Fixed Time YES Fixed Time Mode and Fixed Ti...

Страница 75: ...S recorded data is stored in memory only if a trip occurs within the time set for the Record Length If a trip occurs after this time has expired no record is stored For Variable Time Mode Fixed Time N...

Страница 76: ...tion on the Trip Coil Circuit Supervision The supervision is done in both breaker positions open and close CSP_1 and CSP_3 supervise the trip and close contacts too 2 SSP_3 Close Coil Circuit Supervis...

Страница 77: ...Group Control They active the corresponding setting group 1 2 or 3 26 T_AJ_1 Activate Setting Group 1 27 T_AJ_2 Activate Setting Group 2 28 T_AJ_3 Activate Setting Group 3 31 External Oscillography S...

Страница 78: ...following figure The desired final AND or OR output from the logic cell can then be connected to any one of the seven programmable Auxiliary Contact Outputs AUX 1 through AUX 7 available in the termi...

Страница 79: ..._B Phase B Instantaneous 7IRD A M Instantaneous 1 7IRD J Overcurrent Pickup 15 AUI_C Phase C Instantaneous 7IRD A M Instantaneous 1 7IRD J Overcurrent Pickup 16 AUI_N Ground Instantaneous 7IRD A M Ins...

Страница 80: ...I Breaker Failure Alarm signal of trip initiated of another breakers 44 ALARMA_PR Protection Not in Service Alarm 45 A_SINT I2 Alarm Level Accumulated power alarm signal open by the breaker 50 AIDD_A2...

Страница 81: ...escribed below 75 SBI_NTR Recloser Lockout Due to Lack of Rated Voltage 7IRD A J The voltage reference input is not active before the waiting time of the reference voltage if the Recloser supervision...

Страница 82: ...ng 95 SUIM_A2 Phase A Instantaneous 2 Overcurrent Mask Enabled Trip Output 7IRD J Unit Trips Affected by their corresponding trip mask 96 SUIM_B2 Phase B Instantaneous 2 Overcurrent Mask Enabled Trip...

Страница 83: ...nits using the same Trip and Close Output contacts described above These operations can be enabled using the Operation Enable setting Configuration settings Manual operation is designed to require con...

Страница 84: ...nt that is fixed and another port in back which has connections for Glass Fiber Optic cable 1mm Plastic Fiber Optic cable RS232C and RS485 The technical details about communications can be found in Ch...

Страница 85: ...Code Description 00 01 E2PROM writing error 00 02 ADC alarm 00 04 ADC error 00 06 Internal voltage level error 00 08 Low battery clock 00 10 Stopped clock 00 20 E2PROM file calibration error 00 40 RA...

Страница 86: ...S L U 2020 6 46 In the case of giving more than one alarm at once the sum of the codes of these alarms is seen in hexadecimal form Below are a few examples 01 and 02 03 02 and 08 0A 01 and 04 05 01 an...

Страница 87: ...Control Unit 7 7 7 2 2 a Inputs through Communications 7 7 7 2 2 b Inputs from the Protection Subsystem 7 8 7 2 2 c Physical Inputs 7 8 7 2 2 d HMI Inputs control HMI 7 9 7 2 3 Outputting Data from th...

Страница 88: ...ls through Logic gates These processed Logic Signals affect the permissions lockouts of orders generated both from the unit s Local Control Module and from the Central Unit originating in the Control...

Страница 89: ...them and depending on the Input Signals and on the outcome of the process generates Output Signals that are subsequently used for information actions alarms etc The signals that function as Inputs to...

Страница 90: ...one form or another according to the Configuration The same happens with the signals that are sent from the Control Subsystem through Communications The software process is carried out in Output Taggi...

Страница 91: ...r 7 Description of Operation of the Control Subsystem 7 5 M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 Figure 7 1 Control Subsystem Block Di...

Страница 92: ...he Control Subsystem and the Logic Outputs Output signals from the Logic The association between the Logic Outputs and the corresponding PROCOME DNP3 indices to send these signals through Communicatio...

Страница 93: ...sses and Signal Tagging The latter are of four types Connecting Input Signals to be dealt with by the Logic Input Connection Process Connecting Output Signals from the Logic to be sent to the various...

Страница 94: ...urrent Measurements The Alternating Current Measurements V I P Q depending on the model and its Configuration are sent directly through Communications to the Central Unit The measurements are viewed i...

Страница 95: ...They are the signals sent to the Central Unit through Communications via the Remote Communications Port located on the back of the unit These signals can be Measurements The measurements that can be s...

Страница 96: ...ented on the corresponding screen of the Graphic Display are messages determined by the Alarm Panel according to the signals that it receives These are Outcome signals from the Logic and are Physical...

Страница 97: ...and Keypad 8 2 8 2 Keys Functions and Operation Modes 8 3 8 3 Access to Functions Using Key F2 8 6 8 3 1 Last Trip Indication and Recloser Status 8 6 8 3 2 Screen Sequences Using F2 8 7 8 4 Function A...

Страница 98: ...IED model date and time It also shows on the first row left the connection mode if the communication is established at the following mode P1 Local connection communication by frontal port P2 Remote co...

Страница 99: ...the setting or if you merely looked at a screen for information In either case pressing this system key returns the user to the previous screen Display Selection Keys The selection keys advance or go...

Страница 100: ...codes that the corresponding event has generated The F4 key is used to cancel the changed settings when the equipment asks for confirmation of the changes and to cancel the activation of the default t...

Страница 101: ...he new value is edited If an error occurred the key erased it When a new value is edited press ENT to confirm and to go to the previous menu There is a setting type which options are YES key 1 or NO k...

Страница 102: ...displays the associated elements This information will displays as follows T means TRIP and the following elements indicates which elements initiated the last trip If a single protection element opera...

Страница 103: ...two values appears one of them indicates the number of first reclose attempts the second one shows the accumulated number 2nd 3rd and 4th reclose attempts 8 3 2 Screen Sequences Using F2 If the scree...

Страница 104: ...e appears on the screen saying INDICATION RESET LEDs Reset Pressing F2 again LEDs reset screen appears If the order is executed all the LEDs will light and this message will appear on the screen LEDs...

Страница 105: ...FIGURATION 0 PASSWORDS 0 CONFIGURATION 1 OPERATIONS 1 OPERATION ENABLE 1 OPERATIONS 2 ACTIVE GROUP 2 CONFIGURE INPUTS 2 SETTINGS 3 CHANGE SETTINGS 3 CONFIGURE OUTPUTS 4 INFORMATION 4 LANGUAGE 5 FREQUE...

Страница 106: ...RATION 0 PASSWORDS 1 OPERATIONS 1 OPERATION ENABLE 2 ACTIVE GROUP 2 CONFIGURE INPUTS 3 CHANGE SETTINGS 3 CONFIGURE OUTPUTS 4 INFORMATION 4 LANGUAGE 0 50 Hz 5 FREQUENCY 1 60 Hz Operations HMI Access 7I...

Страница 107: ...2 ACTIVE GROUP 2 LOGIC 3 CHANGE SETTINGS 3 BREAKER SUPV 4 INFORMATION 4 HISTORICAL RECORDS 5 OSCILLOGRAPHY Depending on the Model General Settings HMI Access 7IRD A J Models 0 CONFIGURATION 0 GENERAL...

Страница 108: ...C PICKUP 2 RECLOSER 2 PH INSTANTANEOUS 2 GR T O C CURVE 3 LOGIC 3 GR INSTANTANEOUS 3 GR T O C DIAL 4 BREAKER SUPV 4 SUSTAINED GROUND 4 GR DEFINITE TIME 5 HISTORICAL RECOR 5 PHASE UNBALANCE 5 GR T O C...

Страница 109: ...NERAL 0 PH TIME O C 1 OPERATIONS 1 PROTECTION 1 GR TIME O C 2 ACTIVE GROUP 2 RECLOSER 2 PH INSTANT 1 3 CHANGE SETTINGS 3 LOGIC 3 PH INSTANT 2 4 INFORMATION 4 BREAKER SUPV 4 GR INSTANT 1 5 HISTORICAL R...

Страница 110: ...E UNBALANCE 8 BREAKERFAILURE 0 GENERAL 0 PH TIME O C 1 PROTECTION 1 GR TIME O C 0 GR INS1 ENABLE 2 RECLOSER 2 PH INSTANT 1 1 GR INS1 PICKUP 3 LOGIC 3 PH INSTANT 2 2 GR INS1 T_DELAY 4 BREAKER SUPV 4 GR...

Страница 111: ...3 BREAKER FAIL TIME Protection Settings HMI Access 7IRD M Model 0 CONFIGURATION 0 GENERAL 0 PH TIME O C 1 OPERATIONS 1 PROTECTION 1 GR TIME O C 2 ACTIVE GROUP 2 LOGIC 2 PH INSTANTANEOUS 3 CHANGE SETTI...

Страница 112: ...OSCILLOGRAPHY 5 PHASE UNBALANCE 6 BREAKERFAILURE 0 GENERAL 0 PH TIME O C 1 PROTECTION 1 GR TIME O C 2 LOGIC 2 PH INSTANTANEOUS 0 SUSTAINED GR ENBL 3 BREAKER SUPV 3 GR INSTANTANEOUS 1 SUSTAINED GR PKU...

Страница 113: ...ERS 2 PH RESET TIME 3 LOGIC 3 SEQNCE CNTL 3 GR RESET TIME 4 BREAKER SUPV 4 TRIP ENABLE 4 MNCL RESET TIME 5 HISTORICAL RECORDS 5 RECLOSER ENABLE 5 SEQUENCE CHK TIME 6 OSCILLOGRAPHY 6 MNCL TIME DELAY 0...

Страница 114: ...N 1 OPEN FAILURE TIMER 2 ACTIVE GROUP 2 LOGIC 2 CLS FAILURE TIMER 3 CHANGE SETTINGS 3 BREAKER SUPV 4 INFORMATION 4 HISTORICAL RECORDS 5 OSCILLOGRAPHY Breaker Supervision Settings HMI Access 7IRD A J M...

Страница 115: ...Oscillographic Settings HMI Access 7IRD A J Models 0 CONFIGURATION 0 GENERAL 0 FIXED TIME 1 OPERATIONS 1 PROTECTION 1 OVERWRITE 2 ACTIVE GROUP 2 RECLOSER 2 INITIATE METHOD 3 CHANGE SETTINGS 3 LOGIC 3...

Страница 116: ...KER SUPV 4 INFORMATION 4 STATUS 4 HISTORICAL RECORD 5 METERING 5 OSCILLOGRAPHY This menu is identical to the one of Change Settings as well as its later development since it talks about to the informa...

Страница 117: ...G Records Information HMI Access 0 CONFIGURATION 0 SETTINGS 1 OPERATIONS 1 CONFIGURATION 2 ACTIVE GROUP 2 TRIPS 3 CHANGE SETTINGS 3 RECORDS 4 INFORMATION 4 STATUS 5 METERING If the equipment have Osci...

Страница 118: ...SETTINGS GENERALS TIMES LOGIC SETTINGS and ANALOG will vary depending on the Configuration loaded in the equipment The figure corresponds to a specific case but is useful as an example of the Alphanum...

Страница 119: ...SETTINGS 1 TIMER 1 TRANSDUCER 1 2 LOAD CONFIG PROGRAM 2 LOGICS 2 TRANSDUCER 2 3 ANALOGICS 3 TRANSDUCER 3 4 TRANSDUCER 4 0 CONFIGURATION 0 GENERAL 0 TIMER 1 1 CHANGE SETTINGS 1 TIMER 1 TIMER 2 2 LOAD...

Страница 120: ...Chapter 8 Alphanumeric Keypad and Display M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 8 24...

Страница 121: ...e LEDs 9 8 9 3 3 Information about the Indication of Measurements 9 8 9 3 4 Date and Time Information 9 9 9 4 Control Function Operations 9 10 9 4 1 General Procedure for Command Execution 9 10 9 4 2...

Страница 122: ...he Graphic Display initially presents the mimic corresponding to the controlled position From this situation there are two options access the information screens with the function key INF or access th...

Страница 123: ...reen depends on the specific model The mimic symbols used to represent the equipment are the following Element State 1 State 2 Breaker Open Closed Breaker Unknown 0 0 Double Indications Inputs Unknown...

Страница 124: ...tions Open Closed Associated with a Double Indication The most common examples of this type of device are Power Switches and Disconnecting Switches Their representation corresponds to the State of act...

Страница 125: ...mmand independently independent Digital Outputs and Inputs on each of the two plug in positions Busbars A and Busbars B independently of whether the position is equipped with two mounted Breakers the...

Страница 126: ...ll return to the default display Figure 9 3 presents the block diagram of the Configuration of the Information Displays Figure 9 3 Information Menu Starting with the default screen pressing the inform...

Страница 127: ...Protection Inputs and the Logic established for processing them will vary for each specific model Alarm Panel without Acknowledgement If the alarms are not managed at the UCP level Alarm Panel Config...

Страница 128: ...uts of Protection Inputs and of Protection LEDs the layout is the same as in the case of the Inputs replacing EDXX with SDXX with EPXX or with LPXX respectively where XX represents the number of the s...

Страница 129: ...requency and Energies There is also a similar screen in the units that without a Measurement Board capture Currents and Voltages in Protection and use them to calculate the Powers PF Frequency and Ene...

Страница 130: ...that exist in the position upon which an order can be executed gets highlighted one after the other cyclically This highlighting consists in the image corresponding to the device blinking with a cade...

Страница 131: ...d Digital Inputs Internal States of the units Internal Signals from Protection and the Measurement Module as well as Internal Signals from the Central Unit through the Communications Protocol Once it...

Страница 132: ...s if the Breaker is open in which case it allows putting it in Discharge Should the Breaker be in a state other than open the unit indicates ORDER NOT EXECUTABLE Once the Breaker has been placed in Di...

Страница 133: ...the protocol implemented PROCOME DNP3 In this type of commands what is established for ORDER FAILURE will not apply since no applicable return signal exists 9 4 5 Procedure for Managing Alarms This pr...

Страница 134: ...and it turns off as soon as the signal disappears If the signal is deactivated before it is acknowledged the text goes on blinking until it is acknowledged by pressing F1 and then it turns off The va...

Страница 135: ...Open Phase Test 10 6 10 5 4 Residual Current Test 10 6 10 5 5 Breaker Failure Test 10 6 10 5 6 Recloser Test 7IRD A J Models 10 7 10 5 7 Trip Close Coil Circuit Supervision Input Test 10 8 10 6 Contr...

Страница 136: ...lation Test Power Supply Test Protection Metering Test Phase and Ground Overcurrent Test Open Phase Test Residual Current Test Breaker Failure Test Recloser Test Trip Close Coil Circuit supervision in...

Страница 137: ...al of the casing should be disconnected Then apply 2 000 Vac during 1 min between the interconnected terminals and metal case CAUTION Internal capacitors exist that can generate a high voltage if you...

Страница 138: ...est It s recommended to proceed unit by unit disabling those units that are not under test in that moment For the 7IRD J following tests are applied for instantaneous 1 and instantaneous 2 elements Pi...

Страница 139: ...xed or Instantaneous Time Apply a current 20 larger than the pickup setting The response time should correspond with 5 or 25ms whichever is better of the selected time setting value Keep in mind that...

Страница 140: ...t 1 for a determined setting X when applied for the ground input between X 1 10 X 1 for low ranges the pickup interval can extend up to 20 mA Apply a current of 2 X and check that it produces a trip i...

Страница 141: ...Breaker opening circuit it will not carry out the reclose and will lockout For the Recloser to carry out the complete sequence until its permanent fault status the trips have to be generated It has to...

Страница 142: ...physical inputs the physical outputs and the visual signals This requires using the communications program with the Control Subsystem ZIVerlog to load a specific Test Configuration for each unit This...

Страница 143: ...is greater than the number of Digital Inputs the connections diagram should be modified so that a Single Input activates more than one Digital Output so that all the Digital Outputs are verified as d...

Страница 144: ...ll only be applicable in those cases in which there is Measurement of Current Voltage or Input Transducers Measurement of Current sent by Protection or the Measuring Board Connect a source of alternat...

Страница 145: ...st it is necessary to supply the equipment with its rated voltage value and the In Service LED should then be switched on Test will be performed through Local Communications Port allocated on Front Pa...

Страница 146: ...nce of vibration Easy access Absence of dampness Adequate lighting Horizontal mounting Mounting should be in accordance with the instructions regarding installations in the dimension diagram 10 8 2 Co...

Страница 147: ...ngs A 2 A 2 Description of Operation A 3 A 2 1 General Settings A 3 A 2 2 Logic A 3 A 2 3 Event Records A 3 A 2 4 Fault Report A 4 A 2 5 Inputs A 4 A 2 6 Communicating with the Unit A 4 A 3 Alphanumer...

Страница 148: ...tion communications protocol PROCOME 3 0 A 1 Settings A 1 1 Configuration Settings Communications Setting Range Communications Password Enable YES NO Communications Password Timeout 1 1440 min Communi...

Страница 149: ...rs and ends when the units are reset The fault report file only makes an annotation if a trip occurs in the course of the fault The Pickup Report setting allows selecting the option to make an annotat...

Страница 150: ...fault voltages Voltages magnitude and angle of the three Phases two cycles before the initiation of the fault Trip Command Time Tag presenting the date and time of the trip command It also presents Fa...

Страница 151: ...cation with the unit via the rear port YES means enabling the permission and NO disabling COMS ENABLE PASSWORD ACTUAL YES NEW 1 YES 0 NO The setting of Communications Password Timeout allows establish...

Страница 152: ...ion of the Fault Report commences when a pickup occurs and ends when the units are reset An annotation is made in the Fault Report file when there has been a trip in the course of the fault When this...

Страница 153: ...2 Settings B 2 B 3 Description of Operation B 3 B 3 1 DNP 3 0 Protocol B 3 B 3 2 Communications B 8 B 3 2 a Communication with the Equipment B 8 B 4 Alphanumeric Keypad and Display B 8 B 4 1 Change Se...

Страница 154: ...ications Ports B 2 Settings DNP 3 0 Protocol Settings Setting Range Step MTU Address Master equipment number 0 65519 1 RTU Address Slave equipment number 0 65519 1 Enable unsolicited report 0 1 Reply...

Страница 155: ...r the 7IRD relay to begin sending spontaneous messages the master must also enable them with the Function Code FC 20 Time out N7 It specifies the time lapse in milliseconds from the time the 7IRD send...

Страница 156: ...Y and working in multi master mode Metering Changes Deadband Values 16 analog metering bands from 0 to 15 can be set The setting represents the percentage over the maximum value of the measure that wi...

Страница 157: ...8 129 130 0x28 Assigned to Class 1 2 3 Binary Input Change with Relative Time 1 0x6 7 8 B 10 0 Binary Outputs All variations 1 6 A 12 1 Control Relay Output Block 3 4 5 6 0x17 28 129 Echo of request...

Страница 158: ...The unit can be configured for sending or not sending unsolicited responses There is a configuration option accessible through the man machine interface or front panel user interface Once the unsolici...

Страница 159: ...If the user changes any of these settings the Device Trouble Internal Indication bit will activate in the next response sent Event Files the unit can store up to 50 Binary Input Changes and 50 Analog...

Страница 160: ...splayed General Settings Time Settings Logic Settings Analogic Settings DNP 3 0 Protocol Settings B 4 2 DNP3 0 Protocol Selecting DNP 3 0 Protocol option a screen with the following options appears Co...

Страница 161: ...of the measure that will be taken as reference to test if there is an analogical change to record If it is adjusted to 100 analogical changes in this measure will not be recorded which is then unders...

Страница 162: ...Annex B DNP 3 0 Communications Protocol M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 B 10...

Страница 163: ...C Schemes and Drawings Dimension and Drill Hole Schemes 7IRD 4U x 1 rack 4BF0100 0012 External Connection Schemes 7IRD A 3RX0172 0031 generic 7IRD J 3RX0172 0030 generic 7IRD M 3RX0172 0037 generic...

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Страница 175: ...D List of Illustrations and Tables...

Страница 176: ...6 12 Trip Close Coil Circuit Supervision Block Diagram 6 22 Figure 6 13 Trip Close Output Supervision Block Diagram 6 24 Figure 6 14 Metering History Log Diagram 6 33 Figure 6 15 Auxiliary Contact Ou...

Страница 177: ...tions and Tables D 3 M7IRDA2003I 7IRD A J M Distribution Protection Control Terminal ZIV APLICACIONES Y TECNOLOG A S L U 2020 B DNP 3 0 Communications Protocol B 1 Figure B 1 7IRD Rear View with Two C...

Страница 178: ...e 6 1 Event Record 6 27 Table 6 2 Inputs 6 36 Table 6 3 Auxiliary Outputs 6 39 10 Receiving Tests 10 1 Table 10 1 Power Supply Test 10 3 Table 10 2 Metering Test 10 4 Table 10 3 Phase and Ground Curre...

Страница 179: ...tware or c rent sell or lease the Software or make the Software available to others to do any of the foregoing 3 No Assignment This License is intended for your exclusive use with the purchased equipm...

Страница 180: ...is Agreement shall not exceed the purchase price paid to Licensor for the equipment In no event shall Licensor be liable for any indirect incidental consequential special or exemplary damages or lost...

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