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Thytronic NG10 Manual

Thytronic NG10 Manual

Biased differential for generators/motors/short lines
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NG10
BIASED DIFFERENTIAL FOR
GENERATORS/MOTORS/SHORT LINES
MANUAL
NG10 - Manual - 04 - 2022

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Summary of Contents for Thytronic NG10

  • Page 1 NG10 BIASED DIFFERENTIAL FOR GENERATORS/MOTORS/SHORT LINES MANUAL NG10 - Manual - 04 - 2022...

  • Page 2: Table Of Contents

    CT supervision - 74CT side H ..................................19 CT supervision - 74CT side L ..................................19 Pilot wire diagnostic ....................................19 Demand measures ....................................... 19 Oscillography (DFR) ..................................... 20 PLC (Programmable Logic Controller) ..............................20 3.9 METERING..........................................21 NG10 - Manual - 04 - 2022 TABLE OF CONTENTS...
  • Page 3 Oscillography - DFR ..................................... 93 6 INSTALLATION 6.1 PACKAGING ........................................95 6.2 MOUNTING ........................................95 6.3 ELECTRICAL CONNECTIONS ..................................99 6.4 NOMINAL CURRENT I AND I SETTING ..............................107 6.5 LED ALLOCATION ......................................111 6.6 FINAL OPERATIONS .......................................111 NG10 - Manual - 04 - 2022 TABLE OF CONTENTS...
  • Page 4 8.5 APPENDIX B2 - Interfaces ................................... 130 8.6 APPENDIX B3- Connection diagrams .................................131 8.7 APPENDIX C - Dimensions ....................................134 8.8 APPENDIX D - Setting table ..................................135 8.9 APPENDIX E - EC Declaration of conformity ............................. 158 NG10 - Manual - 04 - 2022 TABLE OF CONTENTS...

  • Page 5: Introduction

    I N T R O D U C T I O N Scope and liability This document describes the functions, the technical data of NG10 devices; instructions for mount- ing, setting and commissioning are included. This manual has been checked out, however, deviations from the description cannot be completely ruled out, so that no liability in a legal sense for correctness and completeness of the information or from any damage that might result from its use is formally disclaimed.

  • Page 6: Product Identification

    (automatic reset) No-latched Output relay with no-latched operation (automatic reset) Current Transformer Note 1 The graphic interface and the operation of the ThyVisor software are described in the relative chapters NG10 - Manual - 01 - 2015 INTRODUCTION...
  • Page 7 Setting and monitoring software Log file A text file that lists actions that have occurred (ThyVisor). J2SE Java Platform Standard Edition Subnet Mask (Ethernet nomenclature) Software Firmware Upgrade Firmware upgrade eXtensible Markup Language NG10 - Manual - 01 - 2015 INTRODUCTION...
  • Page 8 ON delay timer with reset ( delay) OUTPUT RESET RESET INPUT ON delay timer without reset ( delay) OUTPUT INPUT DROP OFF delay timer (dropout) without reset ( delay) DROP DROP OUTPUT Symbols.ai NG10 - Manual - 01 - 2015 INTRODUCTION...
  • Page 9 RESET INPUT Minimum pulse width operation for output relays ( OUTPUT INPUT Latched operating mode for output relays and LEDs Latched OUTPUT INPUT Pulse operating mode for output relays OUTPUT Symbols1 .ai NG10 - Manual - 01 - 2015 INTRODUCTION...

  • Page 10: General

    • Flush. • Projecting mounting. • Rack. • With separate operator panel. Other options are: • Auxiliary power supply operating range. • Communication protocols. Photo NG10 - Manual - 01 - 2015 GENERAL...

  • Page 11: Main Features

    • The event recorder (SER) runs continuously capturing in circular mode the last three hundred events upon trigger of binary input/output. • Recording of the last setting changes (Logger). • Digital fault recorder (DFR) in COMTRADE format (oscillography). NG10 - Manual - 01 - 2015 GENERAL...

  • Page 12: Technical Data

    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 NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 13: Emission

    Safety requirements for electrical equipment for measurement, control and laboratory use Pollution degree Reference voltage 250 V Overvoltage category ‡ Certifications Reference standards EN 50263 Product standard for measuring relays CE Conformity • EMC Directive 2014/30/EC • Low Voltage Directive 2014/35/EC NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 14: Input Circuits

    Short duration current (0,5 s) 30 A Minimum switching load 300 mW (5 V/ 5 mA) Life: • Mechanical operations • Electrical operations Note 1 Version must be selected at ordering NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 15: Block Output (Logic Selectivity)

    Optical fiber 1300 nm, ST 100 Base TX, RJ45 • Baud rate 100 Mbps • Protocol ModBus®TCP/IP Note 1 Different version must be selected at ordering Note 2 Different version must be selected at ordering NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 16: General Settings

    Note 1 The nominal current settings doesn’t concern the protection elements; they must agree with hardware setting (dip-switch 1 A or 5 A) . Note 2 Calculated by relay (L or H) Nota 3 Adjusting enabled by working with session-level 1 NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 17: Protective Functions

    Asymptotic reference value: 1.1 I > Minimum operate time: 0.1 s Equation is valid for: 1.1 ≤ I > ≤ 20; with I > setting ≥ 0.5 I , the upper limit is 10 I NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 18: Low Impedance Restricted Ground Fault - 64Ref Side H

    >Pickup accuracy ± 0.5% with 0.1 I ± 0.2% with 1 I >Pickup accuracy ± 0.5% with 0.01 I ± 0.2% with 1 I Operate time accuracy 5% or ± 10 ms NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 19: Control And Monitoring

    F I X ) • Rolling on demand period (t 1...60 min (step 1 min) ROL ) • Number of cycles for rolling on demand (N. 1...24 (step 1) ROL ) NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 20: Oscillography (Dfr)

    BLK2OUT-Iph, BLK2OUT-IE,...etc Current converter Note 1 For the DFR function a licence is required; call Thytronic for purchasing. Note 2 The measures of temperature are available only when the MPT module on Thybus is enabled (eigth Pt100 inputs) Note 3 Output relay K7...K10 and binary input IN3...IN42 states are available only when the concerning I/O circuits are implemented (MRI and MID16 modules on Thybus) Note 4 For the PLC function a licence is required;...

  • Page 21: Metering

    Temperature PT3 Temperature PT4 Temperature PT5 Temperature PT6 Temperature PT7 Temperature PT8 Note 1 The measures of temperature are available only when the MPT module on Thybus is enabled (eight Pt100 inputs) NG10 - Manual - 04 - 2022 TECHNICAL DATA...

  • Page 22: Function Characteristics

    BLOCK I/O Input BLKIN Output BLKOUT Uaux RELAYS Output contacts K1...K6 POWER SUPPLY BOARD hw.ai Printed boards hold the circuit components arranged according to a modular allocation of the main functions. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 23: Power Supply Board

    The removable plug allows separation of the MMI module for free access to the CPU board when DIP-switch setting is required. Note 1 The phase and residual nominal currents must be adjusted by means dip-switch. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 24: Software Description

    By means of Discrete Fourier Transform calculation, based on 24 samples/period, information is de- duced in relation to the amplitude and phase of all the current measurements; these are constantly updated and at the disposal of all the protection and control application algorithms. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 25: Drivers

    Xml files used for communication. The automatic code generation criteria ensures the quality of the result in terms of the reusability, verifiability and maintainability of the software life cycle. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 26: I/O Description

    Residual current instantaneous value From the sampled quantities, several measures are computed for protection, monitoring and meter- ing purposes. • Direct • Calculated • Phase • Sequence • Harmonic • Demand NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 27 • Differential currents (87 element) I dL 2 dL 3 L1cH L1cL dL1 = L1cH+ L1cL L2cH L2cL dL2 = L1cH+ L1cL nref L3cH L3cL dL3 = L1cH+ L1cL I dL. a i NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 28 Minimum value of averaged inside time interval L 2 MINH Average inside time interval L 3 MINH R OL ∑ L1MINL L x MINx L x n L 2 MINL Reset L 3 MINL Min-Demand.ai NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 29: Conventions

    Right connection -> cyclic sequence correction is not required NG10 L1 L2 L3 -> I Sequence = IL1-IL3-IL2 -> I -> I Wrong connections -> cyclic sequence correction is required cyclic.ai NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 30: Polarity Reversal

    Phase current inputs side H Polarity = REVERSE Terminals C10-C12-C14 Terminals C1-C3-C6 TA side L Phase current inputs side L Polarity = REVERSE Terminals C2-C4-C8 Wrong connections -> polarity correction is required polarity.ai NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 31: Use Of Measured Values

    Record 2               Record ...               NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 32: Binary Inputs

     52a (CB auxiliary contact)   52b (CB auxiliary contac)   Open CB   Close CB   Remote trip   Reset on demand measures   NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 33 Note 1 To enable 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 Note 2 The exhaustive treatment of the Block 2 function is described in the “Logic selectivity” paragraph. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 34 Note 3 The activation of one binary input produces indiscriminately a block of all protective elements programmed for being blocked from Block1 NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 35 Note 2 Conventionally, the 52nd is the auxiliary contact that is in the same position of power contacts, while 52b is the auxiliary contact that is in the opposite direction compared to the power contacts NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 36 Remote trip n.c. INx t INx t n.o. Binary input INx Binary input allocation for remote trip Remote-trip.ai Reset demand measures The input activation make a reset of all demand measures. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 37: Output Relays

    - No-latched , in order that it stays ON for normal conditions and the other way round it goes OFF if any fault is detected and/or the auxiliary supply turns OFF. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 38 Close CB command relays (CBclose-K)       Remote tripping relays (RemTrip-K)       Not received pulses at BLIN signalling relays (PulseBLIN-K)       NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 39: Led Indicators

    Note 1 The START and the TRIP LED are user assignable to any function; other than starting and tripping information can be assigned to them too, just the same for L1...L5 Note 2 All LEDs are unassigned in the default setting. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 40      Remote tripping relays (RemTrip-L)        Diagnostica filo pilota - Segnalaz. impulsi non ricevuti a BLIN (PulseBLIN-L)        NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 41: Communication Interfaces

    • RS485 port on the rear side for bus communication. • Ethernet port on the rear side for bus communication. To connect the local port you need to use a cable USB Type B - Type A; the Thytronic cable code L10042 can be supplied.

  • Page 42: Protective Elements

    These parameters affect the measure of the residual currents when the primary measurement reading mode is selected. They must be programmed to the same value of the residual CT(s) pri- mary nominal currents NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 43 Measures may be displayed according the following operating modes: - With RELATIVE setting all measures are related to the nominal value, - With PRIMARY setting all measures are related to the primary value. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 44: Thermal Protection With Rtd Thermometric Probes - 26

    Note 1 The 26 menu is available when the MPT module is enabled Note 2 The common settings concerning the Breaker failure protection are adjustable inside the Breaker Failure - BF menu. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 45 TOWARDS BF LOGIC BF Enable (ON≡Enable) Th>xBF Diagramma funzionale relativo alla seconda protezione termica da sonde termometriche (26) Fun-F26.ai Pro_N MPT1 MPT8 MPT2 MPT7 Pt100 probes (Pt1...Pt8) MPT3 MPT6 MPT4 MPT5 NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 46: Residual Overcurrent / High Impedance Restricted Ground Fault - 50N/51N-87Nhiz

    Note 1 When the input value is more than 20 times the set point , the operate time is limited to the value corresponding to 20 times the set point NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 47 Note 2 The exhaustive treatment of the logical block (Block 1) function may be found in the “Logic Block” paragraph inside CONTROL AND MONITOR- ING section Note 3 The exhaustive treatment of the selective block (Block 2) function may be found in the “Selective Block” paragraph inside CONTROL AND MON- ITORING section NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 48 Profile A(or B) \ 50N/51N-87NHIZ \ IE> Element (IE>> Element, IE>>> Element) \ Setpoints menus, while the BLK2OUT-Iph-K, BLK2OUT-Iph/IE-K (relays) and/or BLK2OUT-IE-K) and (BLK- 2OUT-Iph-L, BLK2OUT-Iph/IE-L and/or BLK2OUT-IE-L) (LEDs) must be select inside the Set \ Profile A(or B \ Selective block-BLOCK2 \ Selective block OUT menu. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 49 IE>>>BF & Trip IE>>> Start IE>>> IE>>>BLK2IN BLK2INIE>>> & & Block2 IE>>>BLK2OUT BLK2OUT Start IE>>> & General logic diagram of the residual overcurrent or high impedance restricted ground fault elements 50N/51N-87NHIZ NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 50 Block2 output Trip IE> & IE> BF towards BF logic BF Enable (ON≡Enable) IE>BF Residual overcurrent or high impedande differential restricted ground fault (50N/51N-87NHIZ) - Logic diagram concerning the first element NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 51 64REF(H)> Block2 OUT Pilot wire output ST-IE BLK2 Block2out diagram Residual overcurrent or high impedande differential restricted ground fault (50N/51N-87NHIZ) - Logic diagram of the blocking signals concerning the first element NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 52 Block2 output Trip IE>> & towards BF logic IE>> BF BF Enable (ON≡Enable) IE>>BF Residual overcurrent or high impedande differential restricted ground fault (50N/51N-87NHIZ) - Logic diagram concerning the second element NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 53 64REF(H)> Block2 OUT Pilot wire output ST-IE BLK2 Block2out diagram Residual overcurrent or high impedande differential restricted ground fault (50N/51N-87NHIZ) - Logic diagram of the blocking signals concerning the second element NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 54 Block2 output Trip IE>>> towards BF logic & IE>>> BF BF Enable (ON≡Enable) IE>>>BF Residual overcurrent or high impedande differential restricted ground fault (50N/51N-87NHIZ) - Logic diagram concerning the third element NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 55 64REF(H)> Block2 OUT IE>>>BLK2OUT (ON≡Enable) Pilot wire output ST-IE BLK2 Residual overcurrent or high impedande differential restricted ground fault (50N/51N-87NHIZ) - Logic diagram of the blocking signals concerning the second element NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 56: Low Impedance Restricted Ground Fault- 64Ref

    (direct measurement) and line currents (calculated as sum of phase currents). The current stabilization thus depends on the residual current values as well on the their displacement angle . NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 57 The restricted ground fault protection is then stabilized against external faults by increasing the threshold of residual current measured at the grounding of the neutral current with increasing stabi- lization in accordance with the following characteristics: NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 58 >>> Block2 OUT Start 64REF> BLOUT1 64REF(H)> Block2 OUT & Block2 output Pilot wire output 64REF>BLK2OUT (ON≡Enable) ST-IE BLK2 Block2out diagram Schema funzionale della protezione di terra ristretta a bassa impedenza (64REF) NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 59 Note 1 The common settings concerning the Breaker failure protection are adjustable inside the Breaker Failure - BF menu. Note 2 The exhaustive treatment of the logical block (Block 1) function may be found in the “Logic Block” paragraph inside CONTROL AND MONITOR- ING section NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 60: Differential Protection For Generator-Motor-Short Line (87G-M-L)

    Differential protection for generator-motor-short line (87G-M-L) Preface Stabilized Differential NG10 Relay for generator, motor or short line. Definitions • i instantaneous value of L1 phase current on side H L1(H) • i instantaneous value of L2 phase current on side H L2(H) •...
  • Page 61 (Inref). The side chosen as a reference for amplitude compensation (RefSide) and the primary CT rated current of that side (Inref) are displayed in the Set \ Base menu NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 62 B) equal to the module of vector difference between the compensated current phasors on side H and compensated current phasors on side L: = |I L1c(H) L1c(L) = |I L2c(H) L2c(L) = |I L3c(H) L3c(L) NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 63 >>-L3) phase occurs when all the following conditions are met: • 87 Enable = ON • I ≥ I >> • BLK1 87 = OFF • 87 Enable = ON • I ≥ I >> • BLK1 87 = OFF NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 64 Note 1 The common settings concerning the Breaker failure protection are adjustable inside the Breaker Failure - BF menu. Note 2 The exhaustive treatment of the logical block (Block 1) function may be found in the “Logic Block” paragraph inside CONTROL AND MONITOR- ING section NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 65 Set \ Profile A (o B) \ Differential - 87T \ CT saturation detector menu and similarly the programming state can be viewed on LED (STSatDet-L). The differential locking at the saturation detector activation is independent for each of the three phases. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 66 L3c(L) L3c(H) sign[i L3c(L) L3c(H) =[|I c(H)| + |I c(L)|]/2 L1c(L) DFT1 =[|I c(H)| + |I c(L)|]/2 L2c(L) DFT1 =[|I c(H)| + |I c(L)|]/2 L3c(L) DFT1 Stabilization and differential current measurement NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 67 & zero crossing detector 1.6 |i < 1.6 |i SatDet-RES 1/4(fn) & zero crossing detector dL1...L3 SL1...L3 from biased dual slope to biased dual slope percentage characteristic percentage characteristic Saturation detector NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 68 INx t Block1 n.o. Binary input INx BLK4IN 87T Block1 Block4 Vedere diagramma funzionale alla pagina seguente Block4-in-out Vedere diagramma funzionale alla pagina seguente Block2 output Biased dual slope percentage characteristic NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 69 D = ON IE F-IE ≥1 Start xx >>> Block2 OUT BLOUT1 Pilot wire output & 64REF> Block2 OUT xxBLK2OUT ST-IE BLK2 Schema funzionale dei segnali di blocco blocchi selettivi relativi alla funzione diferenziale NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 70: Breaker Failure - Bf

    (52nd or 52b ) may suffice Note 2 The exhaustive treatment of the logic block (Block 1) function may be found in the “Logic Block” paragraph inside CONTROL AND MONITORING section NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 71 BLK1 BF & Block1 Logic INx t INx t n.c. INx t Block1 input (ON≡Block) INx t Block1 n.o. Binary input INx Logic diagram concerning the breaker failure element -BF Fun-BF_Pro-n.ai NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 72: Control And Monitoring

    Note 1 In the following treatment, the logical block is defined as “Logical block” or “Block1” Note 2 The Block 1 signal forces a timer reset NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 73 INx t Block1 BF-BLK1 BF element n.c. INx t INx t n.o. S<BLK1 74CT element Binary input INx Block1 info Block1 (internal state) Logic diagram concerning the logic block element -Block1 Block1_L.ai NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 74: Selective Block -Block2

    Information about t and or t expired is available for reading (tB timeout data B-Iph B-IE NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 75 Note 1 In the absence of suitable provisions, a short circuit on a pilot wire causes the block of the receiving relay, so a possible fault (contemporary or following) inside the protected zone, cannot be cleared that being the case the protective relay blocked. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 76 (the only one unblocked relays deals to the fault breaker). NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 77 Note 1 Full diagnostic of pilot wires is only available when committed pilot wire input/outputs are employed Note 2 When several outputs are parallel linked the pulse emission must be enabled inside one device only, sooner inside the outermost device NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 78 = 0.100 s • I>>BLK2IN = ON • I>>BLK2OUT = ON • PulseBLIN1 = 1 s • PulseBLOUT1 = OFF • t = 0.25 s F-IPh • t = 0.30 s B-IPh • NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 79: Logic Block Summary

       Low impedance restricted earth fault - 64REF   Differential (87G-M-L)   Breaker failure (BF)  CONTROL & MONITORING CT Monitoring TA (74CT)  Trip Circuit Supervision (TCS)  NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 80: Remote Tripping

    Remote trip Remote trip Logic INx t O N INx t O F F Remote trip RemTrip-K n.c. INx t INx t n.o. RemTrip-L Binary input INx Remote tripping logic diagram Fun-Remote-trip.ai NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 81: Frequency Tracking

    54 Hz 63Hz 0.25 I Locked frequency (Displayed value) 60 Hz (0 Hz) f (Hz) Frequency tracking IF.ai All protective elements are always operative; accuracy is guaranteed inside the locked frequency band. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 82: Ct Supervision - 74Ct - Side H And Side L

    L is similar to that of the side H. Note 2 The exhaustive treatment of the logic block (Block 1) function may be found in the “Logic Block” paragraph inside CONTROL AND MONITORING section NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 83: Trip Circuit Supervision - 74Tcs

    Note 1 The exhaustive treatment of the logical block (Block 1) function may be found in the “Logic Block” paragraph inside CONTROL AND MONITOR- ING section Note 2 Following assumption are considered for the framework: Logic: ON, Timers t and t reset to zero OFF: TRIP contact of the protection: DE-energized, No latched NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 84 Binary input INx 52(H) Trip circuit supervision with one binary inputs - 74TCS TCS1.ai Note 1 The trip contact (TRIP) of the protection relays must be set with automatic reset (No-latched operating mode). NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 85 (Power dissipated by the R resistor) = U /R = 110 / 15000 = 0.8 W Note1 In order to limit the temperature of the resistor it should be oversized (at least double the power - 2 W) NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 86: Circuit Breaker Supervision

    Ktrig-break for side L). When the time interval (tbreak>) is exceeded, an output relay and/or LED can be activated. The four criteria can be contemporaneously or separately set. All the named parameters are available inside the Set \ Circuit Breaker supervision \ CB Diagnostic menu. NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 87 SumIL1^2t SumIL2^2t SumIL3^2t CB Diagnostic - Cumulative tripping energy I2t Mode-tOpen State tbreak Ktrig-break break tbreak-K & tbreak-L ≥ From CB position Opening transition CB Diagnostic - CB operating time Fun-CB-diagnostic.ai NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...
  • Page 88 Minima frequenza Derivata di frequenza Mancata apertura interruttore 74TCS Monitoraggio del circuito di apertura dell’interruttore Richiusura automatica per fotovoltaico (opzionale) Note 1 For a detailed description please refer to the application notes NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 89: Demand Measures

    Nota 1 The 26 menu is available when the MPT module is enabled Nota 2 The output relay K7...K10 and binary input IN3...IN42 states is meaningful when the I/O circuits are present (MRI and MID16 modules) NG10 - Manual - 04 - 2022 FUNCTION CHARACTERISTICS...

  • Page 90: Measures, Logic States And Counters

    • Reset dati CB monitoring ON/OFF • 52a ON/OFF • 52b ON/OFF • Open CB ON/OFF • Close CB ON/OFF • Remote trip ON/OFF • Reset on demand measures NG10 - Manual - 04 - 2022 MEASURES, LOGIC STATES AND COUNTERS...

  • Page 91: Relays

    • PLC I/O assigned not-matching run-time minor O K/NOT OK • Total PLC I/O assigned not-matching • PLC I/O assigned not-matching OK/NOT OK • ME Compensation factor (H-L) OK/NOT OK • Mismatching coefficient (H-L) OK/NOT OK • MMI module Boot NG10 - Manual - 04 - 2022 MEASURES, LOGIC STATES AND COUNTERS...

  • Page 92: Pilot Wire Diagnostic

    Note 4 Event 0 is the newest event, while the Event 299 is the oldest event Note 5 Counter is updated at any new record; it may be cleared by means ThyVisor NG10 - Manual - 04 - 2022 MEASURES, LOGIC STATES AND COUNTERS...

  • Page 93: Oscillography - Dfr

    • t post-trigger time interval post • f frequency Note 1 Data are stored into non-volatile memory; they are retained once power is turned off. NG10 - Manual - 04 - 2022 MEASURES, LOGIC STATES AND COUNTERS...
  • Page 94 50 (Hz) N = int · = 36 60 (Hz) (34 + 20 · 10 + 10 · 4 + 2) · (0.50 + 0.50) Phase-to-phase fault record oscillo-phase.ai NG10 - Manual - 04 - 2022 MEASURES, LOGIC STATES AND COUNTERS...

  • Page 95: Installation

    The depth dimension, as indicated in the drawing, must be increased by as much as needed to allow room for the wiring. START TRIP 102.5 ±0.3 N.4 fori ø 3,5 Flush-mount.ai Flush mounting NOTE Separation of fixed and removable parts is NOT required NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 96 START TRIP Projecting mounting Projecting.ai NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 97 TRIP N.4 fori ø 4,5 Separate operator panel Separate-mount.ai For the connection between the two modules the shielded cable with a direct connection to RJ45 category 5 (supplied) must be used. Separate-mount1.ai NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 98 482.6 START START START START TRIP TRIP TRIP TRIP Rack mounting Rack-mount.ai To allow opening of the keyboard door a one unit space must be provided when several rack are overlapping mounted. NG10 - Manual - 04 - 2022 INSTALLATION...

  • Page 99: Electrical Connections

    Examples of connection diagrams are reported on Appendix to this manual. Devices must be installed by qualified personnel only. CAUTION No liability is accepted from Thytronic due to improper use. For the A1...A22 connections, screw terminals with following characteristics are available: • Nominal cross section: 0.14...2.5 mm...
  • Page 100 The same considerations also apply when the sensor is positioned near bends in the cabling. It is recommended that the transformer be placed away from bends in the conductors (fig. 2c). Fig. 2a Fig. 2b Fig. 2c Current balanced transformer Toroide.ai NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 101 Output relay K5 and K6 have one make contact (SPST-NO, type A for K5), one break contact (SPST- NC, type B for K6) and a common reference (A13 terminal). All contacts are shown in de-energized state for standard reference. NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 102 USB port The link from PC and NG10 USB port must be established by means a L10042 cable. After installation, the same communication port must be selected to define the ThyVisor parameters (typically COM4, COM5,...). Ethernet port One RJ45 (copper) or FX (optics fiber) port may be provided.
  • Page 103 In order to extend I/O capability, the Pro_N relays can be customized through external auxiliary mod- ules; moreover 4...20 mA converter and temperature measuring modules are provided. The modules do not need external auxiliary supply. It is fed directly by Thybus port. NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 104 42 41 38 37 36 35 MIS-3 # / ∩ # / ∩ MIS-4 OUTPUT INPUT MODULO CORRENTE IMPRESSA CURRENT LOOP OUTPUT MODULE ≅ 1 2 3 4 5 6 7 8 9 NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 105 One MRI module, two MID16 modules, one MPT module, one MCI module and one MMI module (separate operator panel) can be connect at the same time to the Thybus port (maximum expansion). NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 106 TRIP I>> Pro_N Uaux BLOUT- BLOUT+ Pro_N TRIP I>> TRIP I>> START I>> BLOUT- BLOUT+ Example for accelerated protection system with joint use of binary input and pilot wire links Block-misto.ai NG10 - Manual - 04 - 2022 INSTALLATION...

  • Page 107: Nominal Current Iand Isetting

    • Unplug the RS485 and RJ45 cables - Ethernet and/or Thybus (RJ45 E1) • Remove the upper tile and open the little door to access the fastening screws. Removing tie to access the fastening screws Remove-tile.ai NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 108 • Remove the front panel and release the connection on (MMI versions for flush mounting with dis- play), or the fixing plate (versions with separate operator panel). Split MMI module from fixed module Split-MMI.ai NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 109 - eliminate any potential differences between the human body and the device by touching the metallic case, - avoid touching the printed circuit and connections (tracks, component terminals), - avoid handing the device to others, - set the programming DIPs by using antistatic tools. NG10 - Manual - 04 - 2022 INSTALLATION...
  • Page 110 Dip-switch localization concerning the nominal current setting inside the CPU board • Reassemble all parts with the previous operations in reverse order. • Reconnect the RS485 and RJ45 cables (Ethernet and/or Thybus). NG10 - Manual - 04 - 2022 INSTALLATION...

  • Page 111: Led Allocation

    • The auxiliary voltage in the panel falls within the operative range of Pro_N relays. • The rated current (1 A or 5 A) of the line CT’s corresponds to the setting of Pro_N relays. • All wirings are correct. • All screws are tightly screwed. NG10 - Manual - 04 - 2022 INSTALLATION...

  • Page 112: Programming And Settings

    SW ThyVisor The ThyVisor sw is a “browser” of data (setting, measure, etc..); it implements an engine that is afford to rebuild the menu set up and the relationships to data concerning all Thytronic protective relays by means of XML files.

  • Page 113: Mmi (Man Machine Interface)

    “SELF-TEST “PILOT WIRE DIAGNOSTIC >>” “SELECTIVE BLOCK BLOCK2 >>” “FAULT RECORDING >>” “EVENTS RECORDING >>” Setting modifying (SET) Note 1 Setting changes are enabled when the La mEnabling setting by MMI parameter is set NG10 - Manual - 04 - 2022 SETTING AND COMMISSIONING...
  • Page 114 • Press the Enter button for a few seconds; new message appears: “Confirm settings?” • Answer to the message ENTER: YES to confirm changes or RESET: NO to abort. The end of the LED blinking points out the end of procedure. NG10 - Manual - 04 - 2022 SETTING AND COMMISSIONING...

  • Page 115: Test

    • Answer to the message ENTER: YES to confirm changes or RESET: NO to abort. The end of the LED blinking points out the end of procedure. Note 1 Instantly all the relays are switched in rest state, including relays programmed as “normally energized” NG10 - Manual - 04 - 2022 SETTING AND COMMISSIONING...

  • Page 116: Circuit Breaker Commands

    START and TRIP LEDs and by appearance of the pointer on the bottom • Change the parameters by means the Up (increment) or Down (decrement) buttons, using the Left and Right keys to move to the previous or next character NG10 - Manual - 04 - 2022 SETTING AND COMMISSIONING...

  • Page 117: Modules Management

    IN14...IN29 with one MID16 module IN30...IN45 with two MID16 modules Output relays K1...K6 on board K7...K10 with MRI module LEDs: ON, START, TRIP, L1...L5 on board L6...L10 with MRI module NG10 - Manual - 04 - 2022 SETTING AND COMMISSIONING...

  • Page 118: Maintenance

    NG10 - Manual - 04 - 2022 SETTING AND COMMISSIONING...

  • Page 119: Appendix

    , the upper limit is 12 I Note 1 When the input value is more than 20 times the set point , the operate time is limited to the value corresponding to 20 times the set point NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 120: Measures Residual Overcurrent 50N/51N - Standard Inverse Time Curve (Iec 60255-3/Bs142 Type A)

    = 0.2 s > = 0.1 s > = 0.02 s 0.01 > 7 8 9 10 ote: match of operating and setting time takes occurs when I > = 700 F_51N12-IECA-Char.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 121: Measures Residual Overcurrent 50N/51N - Very Inverse Time Curve (Iec 60255-3/Bs142 Type B)

    = 0.1 s E(x) = 0.2 s E>inv = 0.02 s E(x)>inv > 0.01 7 8 9 10 ote: match of operating and setting time takes occurs when I > = 14.5 F_51N12-IECB-Char.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 122: Measures Residual Overcurrent 50N/51N - Extremely Inverse Time Curve (Iec 60255-3/Bs142 Type C)

    = 0.1 s > = 0.2 s > = 0.5 s E(x) E(x) E(x) > 0.01 7 8 9 10 Note: match of operating and setting time takes occurs when I > F_5112-IECC-Char.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 123: Appendix A2 - Inverse Time Ansi/Ieee Curves

    Nota 1 Quando la regolazione della soglia supera 0.5 IEn per la protezione 50N/51N, l’estremo superiore del campo di misura è limitato a 10 IEn Note 2 Quando la regolazione della soglia supera 20 volte la soglia, il tempo d’intervento è limitato al valore corrispondente a 20 volte la soglia NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 124: Measured Residual Overcurrent 50N/51N - Moderately Inverse Time Curve (Ansi/Ieee Type Mi)

    = 0.5 s > = 0.2 s > = 0.02 s 0.01 >inv 7 8 9 10 ote: match of operating and setting time takes occurs when I > = 1.664 F_51N-ANSIMI-Char.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 125: Measured Residual Overcurrent 50N/51N - Very Inverse Time Curve (Ansi/Ieee Type Vi)

    = 0.2 s > = 0.5 s = 1 s > 0.01 >inv 7 8 9 10 ote: match of operating and setting time takes occurs when I > = 2.306 F_51N-ANSIVI-Char.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 126: Measured Residual Overcurrent 50N/51N - Extremely Inverse Time Curve (Ansi/Ieee Type Ei)

    E (x) = 5 s > > = 1 s E (x) 0.01 >inv 7 8 9 10 ote: match of operating and setting time takes occurs when I > = 2.789 F_51N-ANSIEI-Char.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 127: Appendix A3 - Inverse Time Em Curves

    , the upper limit is 12 I Note 1 When the input value is more than 20 times the set point , the operate time is limited to the value corresponding to 20 times the set point NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 128: Measured Residual Overcurrent 50N/51N - Electromechanical Inverse Curves (Em)

    Measured residual overcurrent 50N/51N - Electromechanical inverse curves (EM) t [s] 10000 1000 > = 0.02 s > = 0.1 s 0.01 Nota: il tempo d’intervento impostato è riferito ad un valore di corrente residua I > F_51N-EM-Char.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 129: Appendix B1 - I/O Diagram

    APPENDIX B1 - I/O Diagram NG10 BLOUT- BLOUT+ FRONT PANEL ≅ I/O circuits NT10-I-O.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 130: Appendix B2 - Interfaces

    OUTPUT INPUT MODULO 4 RELE’ + 8 INGRESSI DIGITALI MID8 MODULO INGRESSI REMOTI 4 RELAYS + 8 BINARY INPUTS MODULE 1 2 3 4 5 6 7 8 9 FRONT PANEL Interfaces.ai NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 131: Appendix B3- Connection Diagrams

    - The input current in the reference terminals of of the relay current inputs of the are considered positive, negative for outgoing ones. - This Convention applies: the CTs polarity P1 to the protected component. Differential protection of generator NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 132 - The input current in the reference terminals of of the relay current inputs of the are considered positive, negative for outgoing ones. - This Convention applies: the CTs polarity P1 to the protected component. Differential protection of motor NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 133 - The input current in the reference terminals of of the relay current inputs of the are considered positive, negative for outgoing ones. - This Convention applies: the CTs polarity P1 to the protected component. Differential protection of short line NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 134: Appendix C - Dimensions

    PROJECTING MOUNTING PROJECTING MOUNTING (Separate operator panel) (Stand alone) OPERATOR PANEL MONTAGGIO RACK MOUNTING FLUSH MOUNTING CUTOUT 482.6 102.5 ±0.3 START START START START TRIP TRIP TRIP TRIP N.4 holes ø 3.5 NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 135: Appendix D - Setting Table

    Active-ON | Active-OFF IN2 tON 0.00 ... 9.99 step = 0.01 Value 10.0 ... 100.0 step = 0.1 IN2 tOFF 0.00 ... 9.99 step = 0.01 Value 10.0 ... 100.0 step = 0.1 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 136 IL1L | IL2L | IL3L | ILL | ISL1 | ISL2 | ISL3 | IDL1 | IDL2 | IDL3 | PLC | None Loop 1 Output range Loop1-Range 0-5 mA | 0-20 mA | 4-20 mA Loop 1 Output type Loop1-Type Unipolar | Bipolar NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 137 START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 PT2 Probe ThAL2 Alarm ThAL2 Enable ThAL2 Enable OFF | ON 26 PT2 Alarm threshold ThAL2 0 ... 200 step = 1 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 138 K1 | K2 | K3 | K4 | K5 | K6 ThAL5 Alarm LEDs ThAL5-L START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 Th>5 Trip Th>5 Enable Th>5 Enable OFF | ON NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 139 Th>8 Trip relays Th>8-K K1 | K2 | K3 | K4 | K5 | K6 Th>8 Trip LEDs Th>8-L START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 140 START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 Definite time 50N/51N Second threshold definite time State OFF | ON 0.005 ... 0.999 step = 0.001 Pickup value 1.00 ... 10.00 step = 0.01 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 141 Id> Trip relays Id>-TR-K K1 | K2 | K3 | K4 | K5 | K6 Id> Start LEDs Id>-ST-L START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 142 BF Enable BF Enable OFF | ON BF Phase current threshold State OFF | ON Pickup value 0.05 ... 1.00 step = 0.01 BF Time delay Value 0.06 ... 10.00 step = 0.01 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 143 Th>3 Enable OFF | ON 26 PT3 Trip threshold Th>3 0 ... 200 step = 1 Th>3 Operating time Value 0 ... 100 step = 1 Th>3 Breaker failure Th>3BF OFF | ON NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 144 START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 PT7 Probe ThAL7 Alarm ThAL7 Enable ThAL7 Enable OFF | ON 26 PT7 Alarm threshold ThAL7 0 ... 200 step = 1 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 145 START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 Definite time 50N/51N First threshold definite time State OFF | ON 0.005 ... 0.999 step = 0.001 Pickup value 1.00 ... 10.00 step = 0.01 IE>def Operating time NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 146 OFF | ON 0.005 ... 0.999 step = 0.001 Pickup value 1.00 ... 10.00 step = 0.01 IE>>>def Operating time Value 0.03 ... 10.00 step = 0.01 Low impedence restricted ground fault - 64REF NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 147 START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 Selective block - BLOCK2 Selective block IN BLIN1 Selective block operating mode ModeBLIN1 OFF | ON IPh/IE | ON IPh | ON IE BLIN maximum activation time for phase protections NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 148 Switch 8 0 | 1 Switch 9 0 | 1 Switch 10 0 | 1 Switch 11 0 | 1 Switch 12 0 | 1 Switch 13 0 | 1 | 2 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 149 1.0 ... 60.0 step = 0.1 0.00 ... 0.99 step = 0.01 Timer 3 1.0 ... 60.0 step = 0.1 0.00 ... 0.99 step = 0.01 Timer 4 1.0 ... 60.0 step = 0.1 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 150 START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 CB Open LEDs CBopen-L START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 151 OFF | 100ms | 1s | 5s | 10s | 60s | 120s BLIN1 Diagnostic pulses control time interval PulseBLIN1 OFF | 100ms | 1s | 5s | 10s | 60s | 120s NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 152 ISL2 | ISL3 | IDL1 | IDL2 | IDL3 | IEH | IE | IESH | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | Off NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 153 IN21 | IN22 | IN23 | IN24 | IN25 | IN26 | IN27 | IN28 | IN29 | IN30 | IN31 | IN32 | IN33 | IN34 | IN35 | IN36 | IN37 | IN38 | IN39 | IN40 | IN41 | IN42 | Off NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 154 IN21 | IN22 | IN23 | IN24 | IN25 | IN26 | IN27 | IN28 | IN29 | IN30 | IN31 | IN32 | IN33 | IN34 | IN35 | IN36 | IN37 | IN38 | IN39 | IN40 | IN41 | IN42 | Off NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 155 Id>-L1 ST | Id>-L2 ST | Id>-L3 ST | Id>-L1 TR | Id>-L2 TR | Id>-L3 TR | Id>>-L1 ST | Id>>-L2 ST | Id>>-L3 Binary 27 ST | Id>>-L1 TR | Id>>-L2 TR | Id>>-L3 TR | SatDet ST | Off NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 156 None | START | TRIP | L1 | L2 | L3 | L4 | L5 Network management Enable OFF | ON Type Multicast | Broadcast Multicast address Broadcast address Rx port 0 ... 20000 step = 1 Tx port 0 ... 20000 step = 1 NG10 - Manual - 04 - 2022 APPENDIX...
  • Page 157 TimeToLive(Multicast) 0 ... 20 step = 1 NG10 - Manual - 04 - 2022 APPENDIX...

  • Page 158: Appendix E - Ec Declaration Of Conformity

    Piazza Mistral 7 - 20139 MILANO The undersigned manufacturer herewith declares that the product Protection relay - type NG10 is in conformity with the previsions of the following EC directives (including all applicable amendments) when installed in accordance with the installation instructions: Reference n°...

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