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TECHNICAL DATA

NA20 - Manual - 04 - 2022

3 T E C H N I C A L D A T A

3.1 GENERAL

Product standard for measuring relays

Reference standards

IEC 60255-1

Part 1: Common requirements

Mechanical data

Mounting:

• Flush.

• Projecting.

• Rack.

• Separated operator panel.

External dimensions (Flush mounting)

177 x 107 x 235 (high x width x depth)

Terminals

screw connection

Mass (Flush mounting)

2.0 kg

Reference standards

EN 60529, EN 60529/A1

Degrees of protection provided by enclosures (IP Code)

• Front

IP52

• Terminals

IP20

Insulation

Reference standards

EN 60255-5, IEC 60255-27

High voltage test (50 Hz - 60 s)

• Auxiliary power supply

2 kV

• Input circuits

2 kV

• Output circuits

2 kV

• Output circuits (between open contacts)

1 kV

• Comunication circuits

500 V

Impulse voltage withstand test (1.2/50 µs):

• Auxiliary power supply

5 kV (Common mode) - 2kV (Differential mode)

• Input circuits

5 kV

• Output circuits

5 kV

• Output circuits (between open contacts)

1 kV

Insulation

resistance

>100

Voltage dip and interruption

Reference standards

EN 61000-4-29, IEC 60255-22-11

Voltage dips, short interruptions and voltage variations on dc input power port immunity tests

• Interruption (UT=40%)

100 ms

• Interruption (UT=0%)

50 ms

• Voltage variations (UT=80...120%)

10 s

EMC tests for interference immunity

Reference standards

IEC 60255-26, EN 60255-26

Product standard for measuring relays

Generic standards immunity for industrial environments

EN 61000-6-2

• Electromagnetic compatibility requirements for measuring relays and protection equipment

Apparati di automazione e controllo per centrali e stazioni elettriche

• Compatibilità elettromagnetica - Immunità

ENEL REMC 02

• Normativa di compatibilità elettromeccanica per apparati e sistemi

ENEL REMC 01

Reference standards

EN 60255-22-1 IEC 60255-22-1

EN 61000-4-12 EN 61000-4-12

Damped oscillatory wave

• 0.1 MHz and 1 MHz common mode

2.5 kV

• 0.1 MHz and 1 MHz differential mode

1.0 kV

• Ring wave common mode

2.0 kV

• Ring wave differential mode

1.0 kV

Reference standards

EN 60255-22-2 IEC 60255-22-2

EN 61000-4-2 IEC 61000-4-2

Electrostatic discharge

• Contact discharge

6 kV

• Air discharge

8 kV

Reference standards

EN 60255-22-3 IEC 60255-22-3

EN 61000-4-3 IEC 61000-4-3

Radiated radio-frequency fields

• 80...1000 MHz AM 80%

10 V/m

Summary of Contents for NA20

Page 1: ...NA20 Manual 04 2022 MANUAL NA20 PHASE NEGATIVE SEQUENCE RESIDUAL OVERCURRENT THERMAL IMAGE PROTECTION RELAY...

Page 2: ...rrent input circuits 14 Residual current input circuit 14 Binary input circuits 14 Block input Logic selectivity 14 3 3 OUTPUT CIRCUITS 14 Relays 14 Block output Logic selectivity 14 3 4 MMI 15 3 5 CO...

Page 3: ...with RTD thermometric probes 26 45 Undercurrent 37 47 Negative sequence overcurrent 46 49 Negative sequence current positive sequence current ratio I2 I1 56 Thermal image 49 58 Phase overcurrent 50 5...

Page 4: ...overcurrent 50N 51N Extremely inverse time curve IEC 60255 3 BS142 type C 152 Residual overcurrent 50N 51N long time inverse curve IEC BS B LI 153 8 2 APPENDIX A2 Inverse time ANSI IEEE curves 154 Mat...

Page 5: ...use for a period of ONE 1 YEAR from the date of retail purchase by the original end user purchaser War ranty Period Safety recommendations The warming contained in this document are all important for...

Page 6: ...rred to the nominal current of the CT s for thermal image protection 37 Undercurrent ANSI code 46 Negative sequence overcurrent ANSI code 49 Thermal image ANSI code 50 51 Phase overcurrent ANSI code 5...

Page 7: ...y in operate condition is changed under specified conditions and the instant when the relay operates The stated reset time is related to a step variation of characteristic quantity in operate conditio...

Page 8: ...the 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...

Page 9: ...tOFF 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 relays...

Page 10: ...its and unbalance loads I2 I1 protection against phase interruption under low load condition Following input circuits are available Three phase current and one residual current inputs with nominal cur...

Page 11: ...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 significant operating features are Programming of...

Page 12: ...EN 61000 4 29 IEC 60255 22 11 Voltage dips short interruptions and voltage variations on dc input power port immunity tests Interruption UT 40 100 ms Interruption UT 0 50 ms Voltage variations UT 80 1...

Page 13: ...0 1 MHz 30 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 emissio...

Page 14: ...n 5 A Residual current input circuit Relay nominal residual current IEn 1 A or 5 A selectable by dip switch Permanent overload 25 A Thermal overload 1 s 500 A Dynamic overload half cycle 1250 A Rated...

Page 15: ...ection USB Type B Protocol Modbus RTU Remote ports RS485 Connection screw terminals Baud rate 1200 57600 bps Protocol 1 ModBus RTU IEC 60870 5 103 DNP3 2 Ethernet 100BaseT Connection 3 Optical fiber 1...

Page 16: ...with 1 In Operate time accuracy 5 or 10 ms Negative sequence overcurrent 46 I2 Element I2 Curve type I2 Curve DEFINITE IEC BS A B C ANSI IEEE MI VI EI I2t EM I2CLP Activation time t2CLP 0 00 100 0 s...

Page 17: ...Activation time t21CLP 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time I2 I1 First threshold definite time I21 def 0 10 1 00 In step 0 01 In I2 I1 within CLP I21CLP def 0 1...

Page 18: ...time 2 50 51 First threshold inverse time I inv 0 100 20 00 In 0 100 0 999 In step 0 001 In 1 00 20 00 In step 0 01 In I inv within CLP ICLP inv 0 100 20 00 In 0 100 0 999 In step 0 001 In 1 00 20 00...

Page 19: ...0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time 50 51 Third threshold definite time I def 0 100 40 0 In 0 100 0 999 In step 0 001 In 1 00 9 99 In step 0 01 In 10 0 40 0 In s...

Page 20: ...En 1 00 10 00 IEn step 0 01 IEn IE def Operating time tE def 0 03 10 00 s step 0 01 s Pickup time 0 03 s Dropout ratio 0 95 0 98 Dropout time 0 05 s Overshoot time 0 03 s Pickup accuracy 0 5 with 0 01...

Page 21: ...00 1 00 s step 0 01 s BLOUT Dropout time for ground and phase protections tF IPh IE 0 00 1 00 s step 0 01 s Circuit Breaker supervision Circuit breaker diagnostic Number of CB trips threshold N Open 0...

Page 22: ...ll elements Trip I Trip I etc Measures IL1 IL2 ecc Temperature Pt100 Block inputs BLK2IN Iph BLK2IN IE etc Outputs Relays K11 K6 on board K7 K10 with MRI module LEDs START TRIP L1 L6 on board L7 L10 w...

Page 23: ...ween IL1 IL2 IL3 IL Sequence Positive sequence current I1 Negative sequence current I2 Negative sequence current positive sequence current ratio I2 I1 2nd harmonic Second harmonic of phase currents IL...

Page 24: ...ce layout Printed boards hold the circuit components arranged according to a modular allocation of the main functions hw ai RTC EEprom Flash SRam SRam SPI CPU ETHERNET CPU BOARD POWER SUPPLY BOARD INP...

Page 25: ...pertaining to polarity and amplitude with high resolution The measurement criterion allows precise measurement of even those signals having a unidirectional component such as transient currents with...

Page 26: ...ltiple priority levels The kernel represents the nucleus of the system it includes the processing functions closest to the electronic circuits In addition the kernel manages a service communication pr...

Page 27: ...ic Protocol BP manages the service communication between the kernel and the other modules through the communication buses with the following services Data and information exchange Calibration Upgrade...

Page 28: ...level Derived third level 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 circui...

Page 29: ...IX PFIX QFIX Inside an adjustable time interval tFIX an average magnitude is calculated for phase currents IL1 IL2 IL3 active power Pand reactive power Qof measures taken every second The average valu...

Page 30: ...Inside an adjustable time interval tROL the minimum magnitude is calculated for phase currents IL1 IL2 IL3 active power Pand reactive power Qof measures taken every second The average values are stor...

Page 31: ...ounter clockwise Cyclic phase sequence order For three phase rotating currents a direct cyclic sequence is defined when the three phases are L1 L2 L3 ordered while an inverse cyclic sequence is define...

Page 32: ...h Pt100 probes 26 Undercurrent 37 Negative sequence overcurrent 46 Negative sequence positive current ratio Thermal image 49 Phase overcurrent 50 51 Residual overcurrent 50N 51N Breaker failure BF CON...

Page 33: ...ansitions the negative transition is acquired if the input is permanently high for a time interval longer than the tOFF setting delay In the above shown diagram INTERNAL STATE represents the logical s...

Page 34: ...nable the profile switching the Input selected parameter must be set inside the Profile selection submenu If multiple setting groups are not required Group A is the default selection Reset led ai TRIP...

Page 35: ...xxx element Note 1 The exhaustive treatment of the Block 2 function is described in the Logic selectivity paragraph Note 2 The exhaustive treatment of the Block 2 function is described in the Logic s...

Page 36: ...ted to the auxiliary contacts the information is used in the following functions CB position open closed CB diagnostic N of operations trip time Breaker Failure BF Note 1 The reset of the total counte...

Page 37: ...com ai OPEN Command CLOSE Command UAUX UAUX UAUX INx INx Binary input INx T 0 INx tON T 0 n o n c INx tON Logic Open CB Close CB INx tOFF INx tOFF Binary input INx T 0 IN2 tON T 0 n o n c INx tON Logi...

Page 38: ...n t reset at the end of the trip condition it stays ON until a reset command is issued RESET key ThyVisor or communication command When pulse operating mode is set Operation MODE Pulse the output rela...

Page 39: ...E ST K IE Trip relays IE TR K I2 I1 Start relays I1 I2 ST K I2 I1 Trip relays I1 I2 TR K I2ndh Start relays I2ndh ST K S Trip relays S TR K 74TCS Start relays 74TCS ST K 74TCS Trip relays 74TCS TR K t...

Page 40: ...with following operating mode No latched the LED reset at the end of the trip condition Latched the LED doesn t reset at the end of the trip condition it stays ON until a manual reset command is issue...

Page 41: ...s I1 I2 ST L I2 I1 Trio LEDs I1 I2 TR L I2ndh Start LEDs I2ndh ST L I2ndh Trip LEDs I2ndh TR L S Trip LEDs S TR L 74TCS Start LEDs 74TCS ST L 74TCS Trip LEDs 74TCS TR L tB IPh IE Elapsed signalling LE...

Page 42: ...ard useful for Ethernet communication with ModBus TCP IP protocol 2 Modbus TCP basically embeds a Modbus frame into a TCP frame in a simple manner This is a con nection oriented transaction which mean...

Page 43: ...Dip setup is described in the 6 5 SETTING NOMINAL CURRENTS In AND IEn paragraph Relay residual nominal current IEn This nominal value must be set by means dip switch to 1 A or 5 A same as the seconda...

Page 44: ...must be set as IEnp 100 A Measurement reading mode Measures may be displayed according the following operating modes With RELATIVE setting all measures are related to the nominal value With PRIMARY s...

Page 45: ...example near the generator stator windings near the step up transformer windings and or in the oil with the aim of detecting overheating produced by the overload currents near the generator bearings w...

Page 46: ...e Set Profile A or B Thermal protection with RTD thermometric probes 26 PTx Probe ThALx Trip where x 1 8 1 Note 1 The common settings concerning the Breaker failure protection are adjustable inside th...

Page 47: ...d de energized or energized logic are forced in the rest state the 37 DISABLED message is displayed and all the LEDs flash until the command is ended The following block criteria is available Logical...

Page 48: ...ment 37 RESET t def 0 T TRIPPING M ATRIX LED REL AYS t def Start I I ST K Start I I TR K I ST L I TR L Trip I Trip I BLK1I Enable ON Enable Block1 input ON Block Block1 Block1 Binary input INx T 0 Log...

Page 49: ...VI t t2 inv 3 922 I2 I2 inv 2 1 0 098 Extremely Inverse ANSI IEEE type EI t t2 inv 5 64 I2 I2 inv 2 1 0 024 I squared t I 2t K t 16 t2 inv I2 I2 inv 2 Electromechanical EM t t2 inv 0 28 0236 I2 I2 in...

Page 50: ...breaker closure Note 1 The common settings concerning the Breaker failure protection are adjustable inside the Breaker Failure BF menu Timers F46 ai I2 Start I2 Trip t2 t2 RESET INPUT t2 RES t2 RES t...

Page 51: ...lectivity block criteria when the input BLIN1 is active The information about phase or phase earth block may be select programming the ModeBLIN1 parameter inside the Set Profile A or B Selective block...

Page 52: ...IPPING M ATRIX LED REL AYS I2 Curve 0 T I2 Enable I2 Negative sequence overcurrent element 46 block diagram Output t2CLP t2CLP Output t2CLP I2 TR K I2 TR L I2 ST L I2 ST K I2 inv I2 I2 def I2 I2 inv I...

Page 53: ...ck1 FROM ANY PROTECTIONS FROM PHASE PROTECTIONS OFF ON IPh ON IPh IE ON IE BLIN1 I2 Block2 OUT I2 Block2 OUT Block1 T 0 tB IE Block2 IE 1 Block1 Block2 TRIPPING M ATRIX LED REL AYS 1 1 Negative sequen...

Page 54: ...Enable I2 TR K I2 TR L I2 ST L I2 ST K I2 I2 def I2 def Negative sequence overcurrent 46 Logic diagram of the second threshold I2 Output t2CLP t2CLP I2CLP Mode I2 Negative sequence overcurrent element...

Page 55: ...ck1 FROM ANY PROTECTIONS FROM PHASE PROTECTIONS OFF ON IPh ON IPh IE ON IE BLIN1 I2 Block2 OUT I2 Block2 OUT Block1 T 0 tB IE Block2 IE 1 Block1 Block2 TRIPPING M ATRIX LED REL AYS 1 1 Negative sequen...

Page 56: ...current ratio I2 I1 I21 Element Set points menu If the CLP function Cold Load Pick up is enabled for element blocking the selected threshold may be blocked for an adjustable time interval starting fro...

Page 57: ...ching The parameter may be adjusted independently for both profiles A or B Note 1 The setting may be found in the CT supervision paragraph inside CONTROL AND MONITORING section Note 2 The description...

Page 58: ...ction to operate Operation and settings The thermal current used for thermal image calculation is Ith max IL1 IL2 IL3 If the second harmonic restraint is enabled the thermal current used for thermal i...

Page 59: ...hIN parameter may be adjusted inside the Set Profile A or B Thermal image 49 Common configuration menu To active the D IN preset value remotely a binary input must be programmed as Init DTheta func ti...

Page 60: ...for selective block Block2 the protection is blocked off by phase ele ments Block2 Iph or by any protection element Block2 Iph IE according the selectivity block criteria 2 The enable DthAL1BLK2IN Dth...

Page 61: ...e element Pickup within CLP Pickup outside CLP Pickup CLP setting change Block1 Block2 T 0 tDthCLP 2nd harmonic restraint enable ON Enable Dth2ndh REST DthCLPMode tDthCLP Ith KINR TRIPPING M ATRIX LED...

Page 62: ...1BLK2IN Block1 BLK2IN Iph DthAL1 Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE ON IE...

Page 63: ...nable element Pickup within CLP Pickup outside CLP Pickup CLP setting change Block1 Block2 T 0 tDthCLP 2nd harmonic restraint enable ON Enable Dth2ndh REST DthCLPMode tDthCLP Ith KINR TRIPPING M ATRIX...

Page 64: ...L2BLK2IN Block1 BLK2IN Iph DthAL2 Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE ON IE...

Page 65: ...Block1 Block2 T 0 tDthCLP 2nd harmonic restraint enable ON Enable Dth2ndh REST DthCLPMode tDthCLP Ith KINR BF Enable ON Enable Dth BF towards BF logic Dth BF Trip Dth TRIPPING M ATRIX LED REL AYS A B...

Page 66: ...N Block1 BLK2IN Iph Dth Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE ON IE BLIN1 Blo...

Page 67: ...RACTERISTICS 67 NA20 Manual 04 2022 F_49 1min Char ai Operating characteristic concerning the thermal image element 49 T 1 min 1 1 1 2 3 4 5 6 7 8 9 10 20 Ith IB 0 01 0 1 1 10 100 1000 10000 1 0 p 0 0...

Page 68: ...TERISTICS 68 NA20 Manual 04 2022 F_49 200min Char ai Operating characteristic concerning the thermal image element 49 T 200 min 1 1 1 2 3 4 5 6 7 8 9 10 20 Ith IB t s 0 1 1 10 100 1000 10000 100000 1...

Page 69: ...1 Moderately Inverse ANSI IEEE type MI t t inv 0 01 I I inv 0 02 1 0 023 Very Inverse ANSI IEEE type VI t t inv 3 922 I I inv 2 1 0 098 Extremely Inverse ANSI IEEE type EI t t inv 5 64 I I inv 2 1 0 0...

Page 70: ...tpoints menus 1 For all overcurrent elements a block from the second harmonic restraint may be set by setting ON the I 2ndh REST I 2ndh REST I 2ndh REST parameters inside the Set Profile A or B Phase...

Page 71: ...BLK1 I BLK2IN t def ICLP def I def t inv ICLP inv I inv I Curve ICLP Mode tCLP t RES I Enable I Enable I inhibition Block1 BLK1I CLPI CLPI CLPI I Element BLK2OUT BLK2INI BLK2INI Start I Trip I I BLK1...

Page 72: ...is blocked off by phase elements Block2 Iph or by any protection element Block2 Iph IE according the selectivity block criteria 2 The enable I BLK2IN I BLK2IN and or I BLK2IN parameters are available...

Page 73: ...Block2 T 0 tCLP 2nd harmonic restraint enable ON Enable I 2ndh REST ICLP Mode ICLP def tCLP ICLP inv IL1 I BF Enable ON Enable I BF towards BF logic I BF Trip I TRIPPING M ATRIX LED REL AYS I Curve 0...

Page 74: ...lock1 BLK2IN Iph Start I Trip I Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE ON IE B...

Page 75: ...ON Enable I 2ndh REST ICLP Mode tCLP BF Enable ON Enable I BF towards BF logic I BF Trip I TRIPPING M ATRIX LED REL AYS I Curve 0 T A B C Output tCLP I Enable I overcurrent element 50 51 Block diagra...

Page 76: ...Block1 BLK2IN Iph Start I Trip I Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE ON IE...

Page 77: ...tCLP BF Enable ON Enable I BF towards BF logic I BF Trip I TRIPPING M ATRIX LED REL AYS A B C Output tCLP I Enable I overcurrent element 50 51 Block diagram tCLP Output tCLP CB State CB OPEN CB CLOSE...

Page 78: ...lock1 BLK2IN Iph Start I Trip I Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE ON IE B...

Page 79: ...Long Time Inverse IEC 255 3 BS type B LTI t 120 tE inv tE tE inv 1 Moderately Inverse ANSI IEEE type MI t tE inv 0 01 IE IE inv 0 02 1 0 023 Very Inverse ANSI IEEE type VI t tE inv 3 922 IE IE inv 2 1...

Page 80: ...change the selected threshold may be changed for an adjustable time interval starting from the circuit breaker closure This operating mode ON Change setting IECLP Mode IECLP Mode IECLP Mode and the c...

Page 81: ...E Element Start IE Start IE Start IE Trip IE Trip IE IE disbyIE IE BLK2IN IE disbyIE BLK1IE IE Element BLK2OUT Start IE Start IE Trip IE IE disbyIE IE BLK1 IE BLK2IN IE inhibition Block1 BLK1IE CLPIE...

Page 82: ...t Inputs Binary input IN1 x menus IN1 or INx matching Use of committed pilot wire output BLOUT1 The information about phase or phase earth block may be select programming the ModeBLOUT1 parameter OFF...

Page 83: ...nt enable ON Enable IE 2ndh REST IECLP Mode tECLP BF Enable ON Enable IE BF towards BF logic IE BF Trip IE TRIPPING M ATRIX LED REL AYS IE Curve 0 T A B C A 1 A 0 or OFF Output tECLP IE Enable IE over...

Page 84: ...ire input IE BLK2IN Block1 BLK2IN Iph Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE O...

Page 85: ...AYS A B C Output tECLP IE Enable IE overcurrent element 50 51 Block diagram tECLP CB State CB OPEN CB CLOSED CB OPEN Output tECLP t 0 1 s HIGH THRESHOLD BLOCK LOW THRESHOLD UNBLOCK HIGH THRESHOLD BLOC...

Page 86: ...wire input IE BLK2IN Block1 BLK2IN Iph Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE...

Page 87: ...P Mode tECLP BF Enable ON Enable IE BF towards BF logic IE BF Trip IE TRIPPING M ATRIX LED REL AYS A B C A ON Change setting B OFF C ON Element blocking Output tECLP IE Enable IE residual overcurrent...

Page 88: ...ire input IE BLK2IN Block1 BLK2IN Iph Iph Block2 IE Block2 BLK2IN IE tB timeout Block2 input tB K tB L Block1 FROM GROUND PROTECTIONS FROM PHASE PROTECTIONS FROM ANY PROTECTIONS OFF ON IPh ON IPh IE O...

Page 89: ...the Set Profile A or B Breaker failure BF menu All the IBF IEBF and tBF parameters can be set separately for Profile A and Profile B they are avail able inside the Set Profile A or B Breaker failure B...

Page 90: ...p BF Trip ProtExt 52a Block1 enable ON Enable BF BLK1 Block1 52a IBF Max IL1 IL3 IBF IL1 IL2 IL3 IEBF IE IEBF IE 1 RESET tBF 0 T tBF 1 Binary input INx T 0 Logic INx tON INx tON INx tOFF T 0 n o n c I...

Page 91: ...k it is not liable for any inhibition time out so the protective element is disabled for the whole time when the input is ON 2 Note 1 In the following treatment the logical block is defined as Logical...

Page 92: ...1 I BLK1 37 element I BLK1 37 element 74TCSBLK1 74TCS element BFBLK1 BF element S BLK1 74CT element Block1 Binary input INx T 0 Logic INx tON INx tON INx tOFF T 0 n o n c INx tOFF DthAL1BLK1 49 elemen...

Page 93: ...n output block signal coming from a Pro N device or by a free voltage contact The protection is blocked off according the selectivity block criteria by phase elements Block2 Iph by earth elements Bloc...

Page 94: ...n comparison to the tB Iph time related to the downstream relay does not take into account if such margin has been considered for the tF Iph setting es is a safety margin The chronometric selectivity...

Page 95: ...E or phase earth ON IPh IE concerning the sending block out signal may be select by means of the ModeBLOUT1 parameter inside the Set Profile A or B Selective block BLOCK2 Selective block OUT menu The...

Page 96: ...the blocking signal is identified as a warning for a possible short circuit in the pilot wire or in the output circuit of the downstream protection The periodic pulses that are sent by output circuit...

Page 97: ...e main circuit breaker CB1 by the A relay with a fault in 1 A Protection I element with definite time set to 4 5 In with operate time to 0 10 s blocked by start of B and or C protection Settings I def...

Page 98: ...ero the Logic parameters ON OFF must be pro grammed in the same way of the related circuit connected with it The RemTrip K matching must be assigned to the selected output relays inside the Set Remote...

Page 99: ...nt is lower than 25 In the sampling frequency is fixed to fn 50 or 60 Hz If the measured frequency is outside the locking range the sampling frequency is fixed to the lower or upper value 45 or 55 Hz...

Page 100: ...vailable Operation and settings Each second harmonic component of phase currents IL1 2nd IL2 2nd IL3 2nd is compared with the I2ndh adjustable threshold When one or more currents overcome the setting...

Page 101: ...current protections on feeders where the circuit breaker closing starts air conditioning heating loads after a long cooling time mo tors or more generally momentary large loads The CLP may be also use...

Page 102: ...ameter must be adjusted to a wanted value 0 1 s inside the Set Profile A or B Phase overcurrent 50 51 I Element Setpoints menu The threshold within CLP parameter ICLP def must be adjusted to a wanted...

Page 103: ...relays inside the Set CT supervision 74CT submenu the same for addressing the LED indicators S TR L If the S BLK1parameter is set to ON and a binary input is designed for logical block Block1 the CT s...

Page 104: ...n the input block goes down The 74TCS BLK1 parameter is available inside the Set Profile A B Trip circuit supervision 74TCS submenu All the parameters can be set separately for Profile A and Profile B...

Page 105: ...a 40 s delay in order to allow the fault clearing and the consequent reset of the TRIP protection Outputs are reset to zero after 6 s from the TRIP contact open 1 Note 1 The trip contact TRIP of the p...

Page 106: ...t 0 003 A To satisfy the above requirements the R value must be chosen between the Rmin and Rmax values typically the normalized value nearest the arithmetic mean R Rmin Rmax 2 The power dissipated by...

Page 107: ...inside the Set Circuit breaker supervision LEDs relays allocation menu the CB position can be visualized by means two LEDs CBopen L and CBclosed L parameters One or more CB state diagnostic relays ma...

Page 108: ...L TRIPPING M ATRIX LED REL AYS TRIPPING M ATRIX LED REL AYS TRIPPING M ATRIX LED REL AYS State N Open tbreak State SumI Opening transition N Open Mode N Open From CB position Opening transition Mode t...

Page 109: ...DI operated by each SPI in cases of multiple interface protections Smart Grids Achieve accelerated logic discrimination in which some protection elements can be blocked by the activation of the downst...

Page 110: ...may be reset to zero by means the Reset on demand measures command ThyVisor Commands menu The tROL Rolling demand period parameter is the same for rolling demand setting Oscillography Trigger Setup F...

Page 111: ...ic Fourth harmonic phase currents IL1 4th IL2 4th IL3 4th 5th harmonic Fifth harmonic phase currents IL1 5th IL2 5th IL3 5th On demand Phase fixed currents demand IL1FIX IL2FIX IL3FIX Phase rolling cu...

Page 112: ...I I 0 9999 xx Block2 total counter xx I I 0 9999 Self test Lower level diagnostic MINOR can be output or ignored for this purpose the MINOR Fail alarm parameter can be set ON or OFF inside the Set Se...

Page 113: ...protections output selective block state BLK2 OUT Iph IE ON OFF Fault recording SFR Recording is triggered by one or more causes up to 8 simultaneous Activation OFF ON transition of any relay program...

Page 114: ...rmat for Transient Data This is a standard for the data exchange for various types of tests or simulation datas etc for power system applica tions The measurements are recorded in ASCII or BINARY form...

Page 115: ...re trigger 0 5 s Post trigger 0 5 s Sampled data iL1 iL2 iL3 iE Analog channels IL1 IL2 IL3 IE Digital channels K1 K2 K3 K4 K5 K6 IN1 IN2 up to 75 records can be stored if f 60 Hz since 75 34 20 4 4 4...

Page 116: ...Rack Removability is ensured to facilitate maintenance operations so that the electronic module can be replaced this provides minimum downtime and maximum protection availability Flush mounting The f...

Page 117: ...oin the relay to the framework with front and earth screws In case of side by side mounting of several relays the minimum fixing distance is determined by the dimensions of the mounting plate indicate...

Page 118: ...ator panel are the same for the flushing mounting see previous pages A standard direct shielded cable with RJ45 connectors must be used for connections Separate operator panel Separate mount ai F1 D1...

Page 119: ...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 overlapping mounted Rack mount ai Rack mo...

Page 120: ...24 12 for single conductor da 0 2 a 1 5 mm2 for two conductors with same cross section Tightening torque 0 5 0 6 Nm Stripping length 10 mm The connections to the current signal inputs C1 C8 can be ma...

Page 121: ...from the sensor the cables must be positioned 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...

Page 122: ...In nominal current of the line CT expressed in A S cross sectional area of the current conductors expressed in mm2 It is recommended that cabling of a suitable thickness be used in order to limit wear...

Page 123: ...5 copper or FX optics fiber port may be provided Connections to the TX RJ45 port must be made with shielded cable FTP Cat 5e category or higher For testing a PC may be directly connect to the Ethernet...

Page 124: ...rminals Termination resistors allow adjusting the impedance of the line reducing the influence of the induc tive components of the same which might compromise good communication Thybus port In order t...

Page 125: ...REMOTI INPUT OUTPUT ON RUN BUS 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 21 20 19 25 23 22 24 27 26 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 21 20 19 25 23 22 24 27 26 MID 16 34 36 35 30 32 33...

Page 126: ...g the INPUT OUTPUT sequence 1 If two MID16 binary inputs are installed the hardware address must be set to avoid communication collisions on the Thybus for this purpose the default address must be cha...

Page 127: ...tivity system together with the committed pilot wire circuits A ring network example 1 is shown on the following pages Block out signals concerning the NA21 devices S3 1 S3 2 e S3 3 are split on two i...

Page 128: ...S3 1 BLIN BLOUT B1 RX1 TX1 BLOUT S1 1 NA10 NA60 S2 1 NA60 FO Cu FO Cu RX2 FO Cu TX2 FO Cu BLIN 67 67N 67 67N 50N 50 51 S3 3 BLIN BLOUT B3 RX1 TX1 BLOUT S1 3 NA10 NA60 S2 3 NA60 FO Cu FO Cu RX2 FO Cu T...

Page 129: ...5 A18 A17 NA60 S2 2 22 31 OUT1 32 23 IN2 IN2 29 30 OUT2 20 21 IN1 IN1 BLOUT BLOUT RX2 TX2 RX1 TX1 BFO A16 A15 A18 A17 NA60 S1 3 B1 3 MRB B1 3 A16 A15 A18 A17 NA10 S3 3 A16 A15 A18 A17 NA60 S2 3 22 31...

Page 130: ...e performed Remove the auxiliary supply Unplug the RS485 RJ45 cables Ethernet and or Thybus Remove the upper tile and open the little door to access the fastening screws Turn off power supply before e...

Page 131: ...y back to back the four fastening screw in order avoid loss of the internal wash er Unmounting of the case from the switchboard is not needed Split the MMI module and disconnect cable set in ai Unmoun...

Page 132: ...portant to pay particular attention to avoid any accidental contact with the internal components In order to avoid the static electricity accumulated in the human body from causing damage it is recomm...

Page 133: ...ncerning the nominal current setting inside the CPU board Default settings In 5 A IEn 1 A Settings In 5 A IEn 5 A Settings In 1 A IEn 1 A Settings In 1 A IEn 5 A ETHERNET THYBUS 485 1 A 5 A S5 1 2 3 4...

Page 134: ...yellow committed for start information of any protective functions LED TRIP red committed for trip information of any protective functions 6 6 FINAL OPERATIONS Before energizing the electric board it...

Page 135: ...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...

Page 136: ...Open command Circuit breaker Close command At power up the display shows the text THYTRONIC PRO NA10 xxx x serial number date and time 01 01 2000 00 00 The ON green Led points out the auxiliary power...

Page 137: ...ry power supply to the relay As example to set the operating mode of the K1 output relay as ENERGIZED LATCHED the following procedure must be issued By means Down button select the Set menu SET Press...

Page 138: ...Down buttons it is possible to browse the main menu till the RS485 Protocol or Ethernet parameters message to enter you must press the Right button As example to select the address 12 for the ModBus p...

Page 139: ...ommand The configuration data of the relay are transferred to the PC the progress bar is displayed from 0 100 A folder on a yellow background with the name of the file is highlighted on the left side...

Page 140: ...racter Press the Enter button the cursor and the LED TRIP turn off the LED START keeps flashing Press the Enter button for a few seconds new message appears Confirm settings Answer to the message ENTE...

Page 141: ...control of self test undetectable failures comparing of measures with the external instruments auxiliary voltage control etc analysis of the stored information faults and events and oscillographic re...

Page 142: ...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...

Page 143: ...3 BS142 type A F_46 IECA Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I2 I2 inv 0 01 0 1 1 10 100 1000 10000 t s t2 inv 60 s t2 inv 10 s t2 inv 5 s t2 inv 1 s t2 inv 0 5 s t2 inv 0 2 s t2 inv 0 1 s t2 inv 0 02 s...

Page 144: ...3 BS142 type B F_46 IECB Char ai 1 1 2 3 4 5 6 7 8 9 10 20 0 01 0 1 1 10 100 1000 10000 t s I2 I2 inv t2 inv 60 s t2 inv 10 s t2 inv 5 s t2 inv 1 s t2 inv 0 5 s t2 inv 0 2 s t2 inv 0 02 s t2 inv 0 1 s...

Page 145: ...3 BS142 type C F_46 IECC Char ai 1 1 2 3 4 5 6 7 8 9 10 20 0 01 0 1 1 10 100 1000 10000 100000 t s Note match of operating and setting time takes place when I2 I2 inv 9 t t2 inv I2 I2 inv 2 1 80 t2 i...

Page 146: ...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...

Page 147: ...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...

Page 148: ...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...

Page 149: ...BS B LI F_51 IEC LTI Char ai t t inv I I inv 1 120 Note match of operating and setting time takes place when I I inv 121 0 01 0 1 1 10 100 1000 10000 t s 1 1 2 3 4 5 6 7 8 9 10 20 I I inv t inv 60 s...

Page 150: ...BS142 type A F_51N IECA Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 t s tE inv 10 s tE inv 60 s tE inv 5 s tE inv 1 s tE inv 0 5 s tE inv 0 2 s tE inv 0 1 s tE inv 0 02 s...

Page 151: ...BS142 type B F_51N IECB Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 t s tE inv 10 s tE inv 60 s tE inv 5 s tE inv 1 s tE inv 0 5 s tE inv 0 2 s tE inv 0 02 s tE inv 0 1 s...

Page 152: ...BS142 type C F_51 IECC Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 100000 t s tE inv 10 s tE inv 60 s tE inv 5 s tE inv 1 s tE inv 0 5 s tE inv 0 2 s tE inv 0 02 s tE inv...

Page 153: ...LI F_51N IEC LTI Char ai Note match of operating and setting time takes place when IE IE inv 121 0 01 0 1 1 10 100 1000 10000 t s 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv tE inv 60 s tE inv 10 s tE inv 5...

Page 154: ...verse curve L 0 024 for ANSI IEEE Extremely inverse curve For all inverse time characteristics following data applies Asymptotic reference value minimum pickup value 1 1 I inv Minimum operate time 0 1...

Page 155: ...type MI F_46 ANSIMI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I2 I2 inv 0 01 0 1 1 10 100 1000 10000 t s t2 inv 10 s t2 inv 60 s t2 inv 5 s t2 inv 1 s t2 inv 0 02 s t2 inv 0 2 s t2 inv 0 5 s t2 inv 0 1 s t t2...

Page 156: ...pe VI F_67 ANSIVI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I2 I2 inv 0 01 0 1 1 10 100 1000 10000 t s t2 inv 10 s t2 inv 60 s t2 inv 5 s t2 inv 1 s t2 inv 0 5 s t2 inv 0 2 s t2 inv 0 1 s t2 inv 0 02 s t t2 i...

Page 157: ...type EI F_46 ANSIEI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I2 I2 inv 0 01 0 1 1 10 100 1000 10000 t s t2 inv 10 s t2 inv 60 s t2 inv 5 s t2 inv 0 5 s t2 inv 1 s t2 inv 0 2 s t2 inv 0 1 s t2 inv 0 02 s t t...

Page 158: ...EE type MI F_51 ANSIMI 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 02 s t inv 0 2 s t inv 0 1 s t inv 0 5 s t t inv I I...

Page 159: ...type VI F_51 ANSIVI 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 inv I I i...

Page 160: ...EEE type EI F_51 ANSIEI 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 0 5 s t inv 1 s t inv 0 2 s t inv 0 1 s t inv 0 02 s t t inv I...

Page 161: ...e MI F_51N ANSIMI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 t s tE inv 10 s tE inv 60 s tE inv 5 s tE inv 1 s tE inv 0 02 s tE inv 0 2 s tE inv 0 1 s tE inv 0 5 s t tE i...

Page 162: ...VI F_51N ANSIVI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 t s tE inv 10 s tE inv 60 s tE inv 5 s tE inv 1 s tE inv 0 5 s tE inv 0 2 s tE inv 0 1 s tE inv 0 02 s t tE inv...

Page 163: ...pe EI F_51N ANSIEI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 t s tE inv 10 s tE inv 60 s tE inv 5 s tE inv 0 5 s tE inv 1 s tE inv 0 2 s tE inv 0 1 s tE inv 0 02 s t tE...

Page 164: ...rve RI B 0 for I squared t I2t curve B 0 339 for Electromechanical curve EM For all inverse time characteristics following data applies Asymptotic reference value minimum pickup value 1 1 I inv Minimu...

Page 165: ...I Char ai 0 01 0 1 1 100 10 1000 10 000 100 000 1000 000 t s 1 1 2 3 4 5 6 7 8 9 10 20 I I inv t inv 60 s t inv 10 s t inv 5 s t inv 1 s t inv 0 1 s t inv 0 5 s t inv 0 02 s t inv 0 1 s t t inv I I in...

Page 166: ...I2t K F_46 I2t Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I2 I2 inv 0 01 0 1 1 10 100 1000 10000 t s t2 inv 60 s t2 inv 10 s t2 inv 5 s t2 inv 1 s t2 inv 0 5 s t2 inv 0 2 s t2 inv 0 1 s t2 inv 0 02 s t t2 inv...

Page 167: ...20 I I inv I I inv 0 01 0 1 1 10 100 1000 10000 t s t inv 60 s t inv 60 s t inv 10 s t inv 10 s t inv 5 s t inv 5 s t inv 1 s t inv 1 s t inv 0 5 s t inv 0 5 s t inv 0 2 s t inv 0 2 s t inv 0 1 s t in...

Page 168: ...s EM F_46 EM Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I2 I2 inv 0 01 0 1 1 10 100 1000 10000 t s t2 inv 60 s t2 inv 10 s t2 inv 5 s t2 inv 1 s t2 inv 0 5 s t2 inv 0 2 s t2 inv 0 1 s t2 inv 0 02 s Note match...

Page 169: ...rves EM F_51 EM 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 60 s t inv 10 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 Note match of oper...

Page 170: ...EM F_51N EM Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 t s tE inv 60 s tE inv 10 s tE inv 5 s tE inv 1 s tE inv 0 5 s tE inv 0 2 s tE inv 0 1 s tE inv 0 02 s Note match o...

Page 171: ...NA20 UAUX A1 A2 OUTPUT RELAYS A9 A10 A11 A12 A13 A14 A3 A4 A5 A6 A7 A8 K2 K3 K4 K5 K6 K1 BINARY INPUTS A19 IN1 IN2 A20 A21 A22 B1 IN3 IN4 B2 B3 B4 IN5 B5 B6 USB FRONT PANEL D1 ETHERNET RS485 F1 F2 F3...

Page 172: ...ULO PT100 PT100 MODULE INPUT OUTPUT MID16 ON BUS RUN MODULO INGRESSI REMOTI INPUT 34 36 35 30 32 33 31 28 29 43 44 45 39 40 42 41 38 37 52 54 53 48 50 51 49 46 47 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 1...

Page 173: ...e for standard reference Schema di collegamento dei circuiti d entrata con tre TA di fase e corrente residua da traformatore toroidale sommatore NA20 SCH ai NA20 OUTPUT RELAYS UAUX A1 A2 A9 A10 A11 A1...

Page 174: ...gamento dei circuiti d entrata con due TA di fase e corrente residua da traformatore toroidale sommatore CB position NA20 C2 C1 C3 C4 C5 C6 P1 S1 S2 P2 IL1 IL2 IL3 IE C7 C8 P1 S1 S2 P2 50N 51N 49 50 5...

Page 175: ...collegamento dei circuiti d entrata con tre TA di fase e corrente residua dal ritorno dei TA di fase Holmgreen CB position NA20 L1 L2 L3 C2 C1 C3 C4 C5 C6 P1 S1 S2 P2 IL1 IL2 IL3 IE C7 C8 50N 51N 49 5...

Page 176: ...5 C6 C7 C8 E1 128 5 110 200 168 20 205 149 30 5 30 107 177 4 5 102 5 0 3 70 161 154 4 5 4 5 212 5 25 15 170 275 177 4U 101 6 482 6 465 RACK MOUNTING FLUSH MOUNTING CUTOUT SIDE VIEWS FRONT VIEWS ON 4 1...

Page 177: ...N1 IN1 Logic Active ON Active OFF IN1 tON Value s 0 00 9 99 step 0 01 10 0 100 0 step 0 1 IN1 tOFF Value s 0 00 9 99 step 0 01 10 0 100 0 step 0 1 IN1 matching Reset LEDs Set profile Fault trigger Blo...

Page 178: ...e ON Active OFF IN5 tON Value s 0 00 9 99 step 0 01 10 0 100 0 step 0 1 IN5 tOFF Value s 0 00 9 99 step 0 01 10 0 100 0 step 0 1 IN5 matching Reset LEDs Set profile Fault trigger Block2 IPh IE Block2...

Page 179: ...easure assigned Loop3 Mis Frequency IL1 IL2 IL3 IE IL I1 I2 PLC None Loop 3 Output range Loop3 Range 0 5 mA 0 20 mA 4 20 mA Loop 3 Output type Loop3 Type Unipolar Bipolar Loop 3 Nominal multiplier Loo...

Page 180: ...reaker failure Th 2BF OFF ON Th 2 Trip relays Th 2 K K1 K2 K3 K4 K5 K6 Th 2 Trip LEDs Th 2 L START TRIP L1 L2 L3 L4 L5 PT3 Probe ThAL3 Alarm ThAL3 Enable ThAL3 Enable OFF ON 26 PT3 Alarm threshold ThA...

Page 181: ...arm threshold ThAL6 C 0 200 step 1 ThAL6 Operating time Value s 0 100 step 1 ThAL6 Alarm relays ThAL6 K K1 K2 K3 K4 K5 K6 ThAL6 Alarm LEDs ThAL6 L START TRIP L1 L2 L3 L4 L5 Th 6 Trip Th 6 Enable Th 6...

Page 182: ...K3 K4 K5 K6 I Start LEDs I ST L START TRIP L1 L2 L3 L4 L5 I Trip LEDs I TR L START TRIP L1 L2 L3 L4 L5 Definite time 37 First threshold definite time State OFF ON Pickup value In 0 10 1 00 step 0 01...

Page 183: ...01 10 0 100 0 step 0 1 I2 Reset time delay Value s 0 00 9 99 step 0 01 10 0 100 0 step 0 1 I2 Logical block I2 BLK1 OFF ON I2 Input selective block I2 BLK2IN OFF ON I2 Output selective block I2 BLK2OU...

Page 184: ...econd harmonic restraint Dth2ndh REST OFF ON DthAL1 Element DthAL1 Enable DthAL1 Enable OFF ON 49 First alarm threshold DthAL1 DThe taB 0 3 1 0 step 0 1 DthAL1 Logical block DthAL1BLK1 OFF ON DthAL1 I...

Page 185: ...L START TRIP L1 L2 L3 L4 L5 I Trip LEDs I TR L START TRIP L1 L2 L3 L4 L5 Definite time 50 51 First threshold definite time State OFF ON Pickup value In 0 100 0 999 step 0 001 1 00 9 99 step 0 01 10 0...

Page 186: ...tep 0 001 1 00 20 00 step 0 01 I inv within CLP ICLP inv In 0 100 0 999 step 0 001 1 00 20 00 step 0 01 I inv Operating time t inv s 0 02 10 00 step 0 01 I Element Setpoints I Enable I Enable OFF ON I...

Page 187: ...relays IE ST K K1 K2 K3 K4 K5 K6 IE Trip relays IE TR K K1 K2 K3 K4 K5 K6 IE Start LEDs IE ST L START TRIP L1 L2 L3 L4 L5 IE Trip LEDs IE TR L START TRIP L1 L2 L3 L4 L5 Definite time 50N 51N First thr...

Page 188: ...Change setting IECLP Activation time Value s 0 00 9 99 step 0 01 10 0 100 0 step 0 1 tE Reset time delay Value s 0 00 9 99 step 0 01 10 0 100 0 step 0 1 IE Logical block IE BLK1 OFF ON IE Input selec...

Page 189: ...00 1 00 step 0 01 BLOUT Dropout time for ground and phase protections Value s 0 00 1 00 step 0 01 BLOUT1 Selective block operating mode ModeBLOUT1 OFF ON IPh IE ON IPh ON IE Phase protections output...

Page 190: ...00 step 1 ThAL2 Alarm relays ThAL2 K K1 K2 K3 K4 K5 K6 ThAL2 Alarm LEDs ThAL2 L START TRIP L1 L2 L3 L4 L5 Th 2 Trip Th 2 Enable Th 2 Enable OFF ON 26 PT2 Trip threshold Th 2 C 0 200 step 1 Th 2 Operat...

Page 191: ...ep 1 Th 5 Operating time Value s 0 100 step 1 Th 5 Breaker failure Th 5BF OFF ON Th 5 Trip relays Th 5 K K1 K2 K3 K4 K5 K6 Th 5 Trip LEDs Th 5 L START TRIP L1 L2 L3 L4 L5 PT6 Probe ThAL6 Alarm ThAL6 E...

Page 192: ...diagnostic relays PT100Diag K K1 K2 K3 K4 K5 K6 PT100 probe diagnostic LEDs PT100Diag L START TRIP L1 L2 L3 L4 L5 Undercurrent 37 I Element Setpoints 37 Operating logic Logic37 OR AND I Logical block...

Page 193: ...inv within CLP I2CLP inv In 0 100 0 999 step 0 001 1 00 10 00 step 0 01 I2 inv Operating time t2 inv s 0 02 9 99 step 0 01 10 0 60 0 step 0 1 I2 Element Setpoints I2 Enable I2 Enable OFF ON I2CLP Mod...

Page 194: ...thermal image DthIN DThe taB 0 0 1 0 step 0 1 Reduction factor at inrush KINR 1 0 3 0 step 0 1 Thermal time constant T min 1 200 step 1 DthCLP Operating mode DthCLP Mode OFF ON Element blocking ON Ch...

Page 195: ...ogical block I BLK1 OFF ON I Input selective block I BLK2IN OFF ON I Output selective block I BLK2OUT OFF ON I Second harmonic restraint I 2ndh REST OFF ON I Breaker failure I BF OFF ON I Start relays...

Page 196: ...40 0 step 0 1 I def within CLP ICLP def In 0 100 0 999 step 0 001 1 00 9 99 step 0 01 10 0 40 0 step 0 1 I def Operating time Value s 0 03 10 00 step 0 01 Inverse time 50 51 Second threshold inverse...

Page 197: ...01 10 0 100 0 step 0 1 IE Logical block IE BLK1 OFF ON IE Input selective block IE BLK2IN OFF ON IE Output selective block IE BLK2OUT OFF ON IE Second harmonic restraint IE 2ndh REST OFF ON IE Breaker...

Page 198: ...P IECLP def IEn 0 002 0 999 step 0 001 1 00 10 00 step 0 01 IE def Operating time Value s 0 03 10 00 step 0 01 IE Element Setpoints IE Enable IE Enable OFF ON IECLP Mode IECLP Mode OFF ON Element bloc...

Page 199: ...K3 K4 K5 K6 tB Iph IE Elapsed signalling LEDs tB L START TRIP L1 L2 L3 L4 L5 Selective block OUT BLOUT1 Selective block operating mode ModeBLOUT1 OFF ON IPh IE ON IPh ON IE BLOUT Dropout time for pha...

Page 200: ...Switch 9 0 1 Switch 10 0 1 Switch 11 0 1 Switch 12 0 1 Switch 13 0 1 2 Switch 14 0 1 2 Switch 15 0 1 2 Switch 16 0 1 2 Switch 17 0 1 2 Switch 18 0 1 2 Switch 19 0 1 2 Switch 20 0 1 2 Switch 21 0 1 2...

Page 201: ...36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 Timers T...

Page 202: ...ON Number of CB trips threshold N Open 0 10000 step 1 Cumulative CB tripping currents mode ModeSumI OFF ON Cumulative CB tripping currents threshold SumI In 0 5000 step 1 Cumulative CB tripping I 2t m...

Page 203: ...cles for rolling on demand N ROL 1 24 step 1 TimeZone Time Zone UTC 0 Greenwich Dublin Edinburgh Lisbon London UTC 1 Amsterdam Berlin Bern Rome Stockholm Vienna UTC 2 Athens Bucharest Cairo Instanbul...

Page 204: ...I1 IL1 2nd IL2 2nd IL3 2nd I 2nd IL T1 T2 T3 T4 T5 T6 T7 T8 Off Analog 6 Frequency IL1 IL2 IL3 IE I1 I2 I2 I1 IL1 2nd IL2 2nd IL3 2nd I 2nd IL T1 T2 T3 T4 T5 T6 T7 T8 Off Analog 7 Frequency IL1 IL2 I...

Page 205: ...6 K1 K2 K3 K4 K5 K6 IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9 IN10 IN11 IN12 IN13 IN14 IN15 IN16 IN17 IN18 IN19 IN20 IN21 IN22 IN23 IN24 IN25 IN26 IN27 IN28 IN29 IN30 IN31 IN32 IN33 IN34 IN35 IN36 IN37 IN38...

Page 206: ...otocol MODBUS DNP3 Address 1 254 step 1 Baudrate RS485 1200 baud 2400 baud 4800 baud 9600 baud 19200 baud 38400 baud 57600 baud DNP3 Device Profile Source Slave address 1 254 step 1 Unsolicited Respon...

Page 207: ...APPENDIX 207 NA20 Manual 04 2022...

Page 208: ...tive 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 E...

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Summary of Contents for NA20

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Summary of Contents for NA20

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