PCS 902s x technical manual EN overseas general x r1 20

Preface About This Manual The technical manual describes the protection, automation, control, and supervision functions of PCS S series device for line distance protection, and contains

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The information in this document is provided for informational use only and does not constitute a legal contract between NR and any person or entity unless otherwise specified Information in this document is subject to change without prior notice

To the extent required the products described herein meet applicable IEC and IEEE standards, but no such assurance is given with respect to local codes and ordinances because they vary greatly

Although every reasonable effort is made to present current and accurate information, this document does not purport to cover all details or variations in equipment nor provide for every possible contingency to be met in connection with installation, operation, or maintenance Should further information be desired or should particular problems arise which are not covered sufficiently for your purposes, please do not hesitate to contact us

Preface

About This Manual

The technical manual describes the protection, automation, control, and supervision functions of PCS S series device for line distance protection, and contains operation principle descriptions, and lists function blocks, logic diagrams, input and output signals, setting parameters and technical data, sorted per function, as well as the hardware of the device The manual can be used

as a technical reference during the engineering phase and during normal service In addition, the manual also includes a glossary that lists and defines technical terms used throughout the manual

Safety Information

This manual is not a complete index of all safety measures required for operation of the equipment (module or device) However, it comprises important information that must be followed for personal safety, as well as to avoid material damage Information is highlighted and illustrated as follows according to the degree of danger:

Indicates an imminently hazardous situation that, if not avoided, will result

in death or serious injury

Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury

Indicates a potentially hazardous situation that, if not avoided, may result

in minor or moderate injury or equipment damage

Indicates that property damage can result if the measures specified are not taken

Important information about the device, product handling or a certain section of the documentation which must be given particular attention

Instructions and Warnings

The following hazard statements apply to this device

Disconnect or de-energize all external connections BEFORE opening this

device Contact with hazardous voltages and currents inside this device can cause electrical shock resulting in injury or death

Contact with instrument terminals can cause electrical shock that can result

This device is shipped with default passwords Default passwords should

be changed to private passwords at installation Failure to change each default password to a private password may allow unauthorized access

NR shall not be responsible for any damage resulting from unauthorized access

DO NOT look into the fiber (laser) ports/connectors

DO NOT look into the end of an optical cable connected to an optical output

DO NOT perform any procedures or adjustments that this instruction manual does not describe

During installation, maintenance, or testing of the optical ports, ONLY use

the test equipment qualified for Class 1 laser products!

Incorporated components, such as LEDs, transceivers, and laser emitters,

are NOT user serviceable Return units to NR for repair or replacement

Equipment components are SENSITIVE to electrostatic discharge (ESD)

Undetectable permanent damage can result if you do not use proper ESD procedures Ground yourself, your work surface, and this equipment

BEFORE removing any cover from this equipment If your facility is not equipped to work with these components, contact NR about returning this device and related NR equipment for service

Insufficiently rated insulation can deteriorate under abnormal operating conditions and cause equipment damage For external circuits, use wiring

of SUFFICIENTLY RATED insulation that will not break down under

abnormal operating conditions

SEVERE power and ground problems can occur on the communications ports of this equipment as a result of using non-standard cables Please use the wiring method recommended in the manual for communication terminals

DO NOT connect power to the relay until you have completed these procedures and receive instruction to apply power Equipment damage can result otherwise

Use of controls or adjustments, or performance of procedures other than

those specified herein, may RESULT IN hazardous radiation exposure

The firmware may be upgraded to add new features or enhance/modify

existing features, please MAKE SURE that the version of this manual is

compatible with the product in your hand

Document Conventions

⚫ The abbreviations and acronyms in this manual are explained in “Appendix A Glossary” The

Glossary also contains definitions of important terms

⚫ Menu path is connected with the arrow "→" and bold

For example: the access path of protection settings is: MainMenu→Settings→Protection

Settings

⚫ Settings not in the table should be placed in brackets

For example: the system setting [Opt_SysFreq]

⚫ Cross-references are presented in italics

For example: refer to Figure 1.1-1, refer to Table 1.1-1, reference to Section 1.1

⚫ Binary input signals, binary output signals, analogues, LED lights, buttons, and other fixed meanings, should be written in double quotes and bold

For example: press the button "ENT"

on the target sections of this manual as your job needs and responsibilities dictate An overview of each manual section and section topics follows

7 System Functions

Describes how to perform fundamental operations such as clock synchronization, communicating with the device, switching active setting group, checking relay status, reading event reports and SER (Sequential Events Recorder) records

8 Hardware

Describes the hardware of the PCS series device family and provides general information on the product structure and the modules technical data

9 Settings

Provides a list of all settings and their ranges, unit, steps, defaults The organization of the settings

is similar to the settings organization in the device and in the configuration tool (PCS-Studio)

Appendix A Glossary

Describes the abbreviations adopted in this manual

Document Revision History

PN : ZL_PCS-902S_X_Technical Manual_EN_Overseas General_X

⚫ Add stub differential protection

⚫ Add switchgear position verification

⚫ Add the description about digital substation application

⚫ Add the description about digital interface

⚫ Add technical data of GOOSE and SV

⚫ Add certifications of IEC 61850, DNP, PRP, HSR, IEEE

1588

⚫ Add alarm signals of GOOSE and SV

⚫ Delete switching setting group by input signals

⚫ Add NET-DSP plug-in module (NR6612B)

⚫ Add SV communication settings

⚫ Add label settings

⚫ Add GOOSE send links and receiving links

⚫ Add SV links

⚫ Add CPU plug-in module, NR6106AC and related technical data of optical fiber channel (wave length 1550nm)

⚫ Add typical application of single circuit breaker (double busbars)

⚫ Add out-of-step protection

⚫ Modify the logic of automatic reclosing and add the related settings

⚫ Add general communication settings: [IP_SyslogServer01], [IP_SyslogServer02], [IP_SyslogServer03], [IP_SyslogServer04]

⚫ Add three-phase current element, three-phase voltage element and single-phase current element

⚫ Modify the description about switching setting groups via binary inputs

⚫ Modify the technical data of breaker failure protection and broken conductor protection

⚫ Add the technical data of transfer trip

⚫ Add CPU plug-in module (NR6106AK)

⚫ Modify the technical data of device′s power consumption

⚫ Modify the lower limit of the settings [VTS.t_DPU] and [VTS.t_DDO]

⚫ Add synchrophasor measurement function

⚫ Modify the logic of distance protection

⚫ Modify the logic of VT circuit supervision

⚫ Modify I/O signals of switchgear control, synchronism check and voltage selection

⚫ Add the description of base phase angle for angle value

in measurements

⚫ Modify the terms of "Energy Metering"

⚫ Modify the terms of "Energy Metering Settings"

⚫ Modify the technical data of binary input

⚫ Modify the description about switchgear trip counter

⚫ Modify the technical data of power supply

⚫ Delete the technical data of BNC connector

⚫ Modify the operating time delay accuracy of negative-sequence overvoltage protection and residual overvoltage protection

⚫ Modify the operating time delay accuracy and dropout ratio of breaker failure protection

⚫ Modify the dropout ratio of broken conductor protection

⚫ Modify the setting range of the setting [85.U_UV_WI]

⚫ Modify the logics of breaker failure protection and pole discrepancy protection

⚫ Modify the logic of enabling distance protection

⚫ Modify the description about remote control mode

⚫ Update the terms of reclosing

2020-02-19

⚫ Modify the technical data of dropout time accuracy of negative-sequence overvoltage protection and residual overvoltage protection

⚫ Modify the explanation of the settings [Prot.U1n], [Prot.U2n], [UB1.Syn.U1n], [UB1.Syn.U2n], [UL2.Syn.U1n], [UL2.Syn.U2n], [UB2.Syn.U1n] [UB2.Syn.U2n], [CBx.25.Opt_ValidMode], [Prot.Opt_CT_Measmt], [Prot.CB1.Opt_CT_Measmt] and [Prot.CB2.Opt_CT_Measmt]

⚫ Add the information about the settings [MMTR.U2n] and [MMTR.I2n]

2020-02-27

⚫ Update current and voltage connection examples

⚫ Add output signal of transfer trip, "TT.BlkAR", and related logic

R1.20 R1.20 2020-06-01

⚫ Delete GOOSE communication settings

⚫ Modify the logic of earth fault protection

⚫ Modify the logic of negative-sequence overcurrent protection

⚫ Add the description about CT circuit failure blocking earth fault protection and negative-sequence overcurrent protection

⚫ Delete stage 5 and stage 6 of overfrequency protection, underfrequency protection and frequency rate-of-change protection

⚫ Modify the logics of AR

⚫ Modify the logic of reclosing numbers control

⚫ Modify the logics of switchgear control and DPS alarm

⚫ Modify the logic of dead check

⚫ Modify the description and sequence chart of jitter processing

⚫ Modify the technical standard of power supply

⚫ Update PMU

⚫ Add thermal overload protection

⚫ Modify the logic of sending permissive signal in current differential protection

⚫ Add travelling-wave fault location function

⚫ Add TWFL module (NR6111A), CPU module (NR6106AQ) and IO module (NR6661A)

⚫ Modify the logics of pilot distance protection (POTT, Blocking) and pilot directional earth-fault protection (PTT, Blocking)

⚫ Add the settings: [85.En_Op_Ctrl_Send], [85.En_PilotOp_Ctrl_Send], [85.En_52b_Ctrl_Send]

[85.En_52b_Echo] in "Pilot Scheme Settings"

⚫ Add the settings, [21L.PilotFwd.ZP.En_NegDir_Blk], [21L.PilotFwd.ZG.En_NeuDir_Blk],

[21L.PilotFwd.ZG.En_NegDir_Blk] in "DistProt Settings"

⚫ Revise CT requirement

Figure 1.1-1 Typical application of single circuit breaker (single busbar) 1-1

Figure 1.1-2 Typical application of single circuit breaker (double busbars) 1-1

Figure 1.1-3 Typical application of double circuit breakers 1-2

Figure 1.2-1 Functional overview of PCS-902S 1-3

1

1

1.1 Application

PCS-902S protect overhead and underground lines, feeders and cables on all voltage levels with

highest possible selectivity The availability of various protection and automation functions permits

its utilization in all domains of line protection The devices contain all important auxiliary functions

that are necessary today for safe network operation This includes control, measurement and

monitoring functions The large number of communication interfaces and communication protocols

satisfies the requirements of communication-based selective protection and automation operation

Its modular structure permits line protection devices always to be adapted flexibly to the individual

52

Figure 1.1-1 Typical application of single circuit breaker (single busbar)

Optical fibre channel or PLC channelCommunication channel via direct dedicated fibre, MUX or PLC

52

PCS-902S

52

PCS-902S

Figure 1.1-2 Typical application of single circuit breaker (double busbars)

PCS-902S is a high-speed transmission line distance relay featuring single-pole & three-pole

tripping and reclosing with synchronism check The device features extensive metering & data

recording including high-resolution data capture and reporting PCS-902S features expanded

control equation programming for easy and flexible implementation of custom protection and

control schemes

A simple and robust hardware design features efficient digital signal processing Combined with

extensive self-testing, these features provide device reliability and enhance relay availability

PCS-902S can be configured to support single circuit breaker application or double circuit

breakers application by PCS-Studio If the device is applied to double circuit breakers mode, all

Single-phase

voltage

Figure 1.1-3 Typical application of double circuit breakers

The PCS-902S is widely adopted not only for conventional substations, but also for digital substations It supports IEC 61850 Editions 1 and 2 and provides GOOSE and SV network interfaces with high real-time performance The process level network supports peer-to-peer (P2P) mode and networking mode, including single network mode and dual network mode The station level network could also receive and send MMS messages (such as interlocking signals) or process level GOOSE messages (such as circuit breakers or disconnectors positions and trip signals).

1.2 Functions

The functional overview of the device is shown in Figure 1.2-1

81U 21D

Pilot distance protection

⚫ Independent pilot zone (forward direction and reverse direction, mho or quadrilateral characteristics)

⚫ PUTT, POTT, Blocking, Unblocking, Zone Extension

⚫ Current reversal logic

⚫ Weak infeed echo or echo&trip

⚫ Open breaker echo

Pilot directional earth-fault

protection

⚫ Directional zero-sequence comparison element for pilot scheme

⚫ PTT, Blocking and Unblocking

⚫ Current reversal logic

⚫ Open breaker echo

21L Distance protection

⚫ Up to 6 zones

⚫ 3 independent phase-to-ground distance elements for

⚫ Load encroachment for each zone

⚫ Power swing blocking and releasing for each zone

⚫ Faulty phase selection for each zone

21D DPFC distance protection

⚫ Fixed forward direction

⚫ High-speed operation

⚫ Supplementary for zone 1 of distance protection

78 Out-of-step protection ⚫ Easy to set and independent of system parameters

67P 50/51P Phase overcurrent protection

⚫ Up to 6 stages with independent logic

⚫ Voltage control element for each stage

⚫ Optional direction element for each stage, including forward direction, reverse direction or non direction

⚫ Optional definite-time characteristics and inverse-time characteristics for each stage

⚫ Trip purpose or alarm purpose for each stage

⚫ Harmonic control element for each stage 67G

50/51G Earth fault protection

⚫ Up to 6 stages with independent logic

⚫ Optional direction element for each stage, including

1

forward direction, reverse direction or non direction

⚫ Optional definite-time characteristics and inverse-time characteristics for each stage

⚫ Selectable trip purpose or alarm purpose for each stage

⚫ Harmonic control element for each stage

67Q

50/51Q

Negative-sequence overcurrent

protection

⚫ Up to 2 stages with independent logic

⚫ Optional direction element for each stage, including forward direction, reverse direction or non direction

⚫ Optional definite-time characteristics and inverse-time characteristics for each stage

SOTF Switch onto fault

⚫ Via distance measurement elements

⚫ Via dedicated earth fault element

⚫ Via phase overcurrent element

49 Thermal overload protection

⚫ Up to 2 stages with independent logic

⚫ Selectable trip purpose or alarm purpose for each stage

59P Phase overvoltage protection

⚫ Up to 2 stages with independent logic

⚫ Optional definite-time characteristics and inverse-time characteristics for each stage

⚫ Optional phase voltage or phase-to-phase voltage

⚫ Optional “1-out-of-3” logic or “3-out-of-3” logic

⚫ Selectable trip purpose or alarm purpose for each stage

27P Phase undervoltage protection

⚫ Up to 2 stages with independent logic

⚫ Optional definite-time characteristics and inverse-time characteristics for each stage

⚫ Optional phase voltage or phase-to-phase voltage

⚫ Optional “1-out-of-3” logic or “3-out-of-3” logic

1

⚫ Blocked by instantaneous VT circuit failure

⚫ Selectable trip purpose or alarm purpose for each stage

⚫ Optional auxiliary criterion, including CB position check and current check

59Q Negative-sequence overvoltage

protection

⚫ Up to 2 stages with independent logic

⚫ Selectable trip purpose or alarm purpose for each stage

59G Residual overvoltage protection

⚫ Up to 2 stages with independent logic

⚫ Selectable trip purpose or alarm purpose for each stage

81O Overfrequency protection

⚫ Up to 4 stages with independent logic

⚫ Voltage control element

81U Underfrequency protection

⚫ Up to 4 stages with independent logic

⚫ Voltage control element

81R Rate of change of frequency

protection

⚫ Up to 4 stages with independent logic

⚫ Voltage control element

32R Reverse power protection

⚫ Up to 2 stages with independent logic

⚫ Selectable trip purpose or alarm purpose for each stage

50BF Breaker failure protection

⚫ Phase-segregated re-trip and three-phases re-trip

⚫ Optional current criterion (phase overcurrent element, zero-sequence overcurrent element, negative-sequence overcurrent element)

⚫ Optional circuit breaker position check

1

⚫ Two time delays

87STB Stub differential protection ⚫ Protect the T-zone in one-and-a-half breaker and ring

breaker arrangements

50DZ Dead zone protection ⚫ Clear the dead zone faults between CT and the circuit

breaker

46BC Broken conductor protection

⚫ Adopt the ratio of negative-sequence current to positive-sequence current (Ι2/Ι1) to detect the broken conductor

62PD Pole discrepancy protection

⚫ Initiated by three auxiliary contacts of phase-segregate circuit breaker

⚫ Optional auxiliary criterion (zero-sequence current element or negative-sequence current element)

25 Synchrocheck ⚫ Independent logic for auto-reclosing and manually

closing

79 Auto-reclosing

⚫ One shot or multi-shot

⚫ 1-pole AR, 3-pole AR or 1/3-pole AR

⚫ Optional trigger mode, including protection operating and external binary input

⚫ Support synchro-check and voltage check

PMU Phasor measurement unit

⚫ Compatible with IEEE C37.118-2005, IEEE C37.118.1-2011, IEEE C37.118.2-2011 and IEEE C37.118.1a-2014

FL Fault location

⚫ Single-ended impedance-based method

⚫ Zero-sequence mutual coupling compensation for parallel lines

TWFL Travelling-Wave fault location

⚫ Single-ended traveling-wave-based method

⚫ Double-ended traveling-wave-based method

1 DPFC is the abbreviation of deviation of power frequency component

2 Control functions

⚫ Circuit breaker & disconnector control (Remote/local)

⚫ Synchronism check for remote and manual closing

⚫ Voltage selection

3 Phasor measurement unit (PMU)

⚫ Synchronize with the GPS time by IRIG-B time source

⚫ Calculate synchronized phasors, including: Ua, Ub, Uc, U1, U2, U0, Ia, Ib, Ic, I1, I2, I0

⚫ Calculate analog values, including: active power (P), reactive power (Q), frequency, ROCOF (df/dt)

⚫ Transmit binary status of the IED to PDC (Phasor Data Concentrator) according to IEEE C37.118 standard

⚫ Realize high accurate measurement of the phasors and analogs according to the IEEE C37.118.1-2011 and IEEE C37.118.1a-2014 standard

⚫ Communicate with PDC according to IEEE C37.118-2005 and IEEE C37.118.2-2011

⚫ Supporting P Class or M Class measurement (user selectable)

⚫ Measurement of up to 32 binary status (user configurable)

⚫ Output of synchrophasor with timestamp, support of multiple protocols (TCP, TCP-UDP, UDP) and multiple data rates (2f0, f0, f0/2) for maximum 4 clients (PDC)

4 Measurement functions

⚫ Current and voltage measurement at a 1.2KHz sampling rate

⚫ Current and voltage measurement at a 9.6KHz sampling rate

⚫ Travelling wave current measurement at a 1MHz sampling rate

⚫ Energy metering (active and reactive energy are calculated in import respectively export direction)

1

supervision events, 256 control logs and 1024 device logs

⚫ 64 disturbance waveforms records (The file format of disturbance recorder is compatible with

international COMTRADE file.)

⚫ 64 travelling wave fault location (TWFL) records (The file format of disturbance recorder is

compatible with international COMTRADE file.)

⚫ 64 high-frequency waveforms records (The file format of disturbance recorder is compatible

with international COMTRADE file.)

⚫ Pilot communication channel supervision

⚫ DC power supply supervision

⚫ Channel status statistic

⚫ System frequency supervision

7 Pilot channel scheme

⚫ Optional single- or dual- pilot channels (fiber optic)

⚫ Support G.703 and C37.94

8 Communication functions

⚫ Up to four 10Base-T/100Base-TX copper Ethernet ports using IEC 61850, DNP3.0 or

IEC 60870-5-103 over TCP/IP

⚫ Up to four 100Base-FX optical Ethernet ports using IEC 61850, DNP3.0 or IEC

60870-5-103 over TCP/IP

⚫ Two RS-485 serial ports using IEC 60870-5-103 or Modbus

⚫ One RS-485 serial port for clock synchronization

⚫ Support GOOSE communication module using IEC 61850-8-1 GOOSE

⚫ Full compatibility between IEC 61850 Editions 1 and 2

⚫ Redundancy protocols PRP, HSR and RSTP

⚫ One front RJ-45 port and one rear RJ-45 port for debugging

9 Digital interface

1

⚫ Support IEC 61850 MMS Server via extendable electrical or optical Ethernet port

⚫ Support IEC 61850-8-1 GOOSE via extendable electrical or optical Ethernet port

⚫ Support IEC 61850-9-2LE SV via extendable electrical or optical Ethernet port

⚫ 4 Programmable operator push-buttons with user-configurable labels

⚫ Up to 18 programmable target LEDs with user-configurable labels

⚫ 1 RS-485 rear ports for printer

⚫ Language switchover—English+ selected language

⚫ Configuration tool—PCS-Studio

11 Additional functions

⚫ User programmable logic

⚫ Fault location

⚫ Fault phase selection

⚫ Parallel line compensation for fault location

⚫ Switching system phase sequences function (ABC or ACB)

⚫ Clock synchronization

 IRIG-B: IRIG-B via RS-485 differential level, TTL level or optical fibre interface

 PPS: Pulse per second (PPS) via RS-485 differential level or binary input

 PPM: Pulse per minute (PPM) via RS-485 differential level or binary input

 IEEE 1588: Clock message based on IEEE 1588 via optical fiber interface

 SNTP (PTP): Unicast (point-to-point) SNTP mode via Ethernet network

 SNTP (BC): Broadcast SNTP mode via Ethernet network

 Message (IEC103/Modbus/DNP3.0): Clock messages through IEC103 protocol, Modbus protocol and DNP3.0 protocol

⚫ Cyber security

 NERC CIP

 IEC 62351

1

 IEC 62443

 IEEE 1686

1.3 Highlights

⚫ Unified software & hardware platform, comprehensive power grid solutions of protection,

control, measurement and monitoring, easy to use and maintain

⚫ High reliability and redundancy design for drive systems of the sampling circuit and the output

circuit ensure that the overall reliability of the device is high Real-time sampling based on dual

AD can mutually check and detect the potential abnormality in the sampling circuit in time The

control power supply of the output relay is independent with the control circuit of trigger signals,

which can prevent from undesired operation caused by the abnormality of drive circuit of

output relays

⚫ Various function modules can satisfy various situations according to the different requirements

of users Flexible and universal logic programming, user-defined configuration of BI/BOs,

buttons and LEDs and powerful analogue programming are supported

⚫ Modularized hardware design makes the device be easily upgraded or repaired by a qualified

service person It can be combined with different I/O modules, with online self-check and

monitoring function, and the device can be restored from abnormal operation only need to

replace a single abnormal module

⚫ Support memory check and error correction function, ensure high reliability and safety

⚫ Support the internet communication protocol of native PRP/HSR and RSTP

⚫ Fully compatible with IEC 61850 edition 1 & edition 2, support MMS service, IEC 62351

communication service, GOOSE communication in station level & process level, SV

communication with multi-sampling rate

⚫ Fully complies with cyber security standards, including IEC62443, IEC62351, IEEE1686,

NERC-CIP, support role based access control (RBAC), security audit, security encryption

communication and security tool, improve the cyber security capability of devices

⚫ Powerful COMTRADE fault and disturbance recording function is supported The whole

recording time is automatically configurable by the fault duration, which is convenient to fault

analysis and replay The recording sample rate is up to 9.6kHz

⚫ Settable secondary rated current (1A/5A) and settable voltage threshold of binary input

⚫ Support small size and large size LCD, control and multifunction button

⚫ Support flush mounting, semi-flush mounting, surface mounting, wall mounting and other

mounting methods

⚫ Cross screw IO, CT/VT terminals can support AWG12 specification connector and 4mm2 lead

⚫ Multiple variants with case size 1/1 or 1/2 × 19"

1

⚫ Protection class of front side is up to IP54

⚫ PCS-Studio is the configuration tool providing all the related functionality for PCS S series

devices It ranges from device configuration to entire substation design of bay integration

⚫ Support IEEE 1588, IRIG-B clock synchronization

⚫ Support actual system phase sequence, either ABC or ACB, incorrect connection of actual

phase sequence can automatically be verified and relevant protection functions can be blocked

⚫ Equipped with high-speed large capacity output relay, its operation speed is less than 1ms and

its break capacity is up to 10A The real-time supervision for output drive circuit can detect the abnormality in advance

⚫ Support setup up to 40 users and allow each user to own different password and access

⚫ The unique phase selector has the same protection zone as operation element The phase

selection is automatically resulted according to the reliability of phase selector, so that to avoid probable mistaken multi-phase selection by adopting overreaching phase selector

⚫ The overcurrent protection is combined with harmonic blocking and cold load starting logic,

which can prevent from mal-operation affected by impulse current while the transformer is initiated on no-load

⚫ Selectable IEC, ANSI inverse-time characteristics curves that can be defined by users, and the

selection of inverse-time drop-off curve is supported

⚫ Support single-ended impedance-based fault location, mutual compensation for parallel lines

arrangement is also available

⚫ Support single-ended & double-ended travelling-wave-based fault location, locate faults to the

1

nearest tower

⚫ Both dedicated fiber channel and multiplexing fiber channel are supported, and single mode

and multi-mode channel combination operation mode is enabled Communication rate

supports 64kbit/s and 2Mbit/s, and communication protocol supports C37.94 and G.703

⚫ Optional synchrophasor measurement

1

2

2.10.1 Control Performance 2-12 2.10.2 Clock Performance 2-12 2.10.3 Fault and Disturbance Recording 2-12 2.10.4 Binary Input Signal 2-12

2.11 Synchrophasor Measurement 2-13

2.11.1 Synchrophasor Measurement under Steady-state 2-13 2.11.2 Frequency and ROCOF Measurement under Steady-state 2-13 2.11.3 Active and Reactive Power Measurement under Steady-state 2-14 2.11.4 Synchrophasor Measurement under Modulation 2-15 2.11.5 Frequency and ROCOF Measurement under Modulation 2-15 2.11.6 Synchrophasor Measurement under Frequency Ramp 2-16 2.11.7 Frequency and ROCOF Measurement under Frequency Ramp 2-16 2.11.8 Synchrophasor Measurement under Step Change 2-16 2.11.9 Frequency and ROCOF Measurement under Step Change 2-17 2.11.10 Measurement Reporting Latency 2-17 2.11.11 Synchrophasor Communication 2-17

2.12 Protective Functions 2-17

2.12.1 Fault Detector (FD) 2-17 2.12.2 Distance Protection (21L) 2-18 2.12.3 Phase Overcurrent Protection (50/51P) 2-18 2.12.4 Earth Fault Protection (50/51G) 2-19 2.12.5 Negative-sequence Overcurrent Protection (50/51Q) 2-20 2.12.6 Overvoltage Protection (59P) 2-21 2.12.7 Negative-sequence Overvoltage Protection (59Q) 2-21 2.12.8 Residual Overvoltage Protection (59G) 2-22 2.12.9 Undervoltage Protection (27P) 2-22 2.12.10 Overfrequency Protection (81O) 2-22 2.12.11 Underfrequency Protection (81U) 2-23 2.12.12 Frequency Rate-of-change Protection (81R) 2-23 2.12.13 Reverse Power Protection (32R) 2-23

2

2.12.14 Undercurrent Protection (37) 2-23

2.12.15 Breaker Failure Protection (50BF) 2-24

2.12.16 Stub Differential Protection (87STB) 2-24

2.12.17 Dead Zone Protection (50DZ) 2-24

2.12.18 Broken Conductor Protection (46BC) 2-24

2.12.19 Pole Discrepancy Protection (62PD) 2-25

2.12.20 Thermal Overload Protection (49) 2-25

2.12.21 Transfer Trip (TT) 2-25

2.12.22 Auto-reclosing (79) 2-25

2.12.23 Transient Overreaching 2-25

2.12.24 Impedance-Based Fault Locator (FL) 2-25

2.12.25 Travelling-Wave Fault Locator (TWFL) 2-26

2.13 Communication Functions 2-26

2.13.1 GOOSE 2-26

2.13.2 SV 2-26

2

Burden <0.05VA/phase @1A, <0.25VA/phase @5A

Number Up to 7 current input according to various applications

600V 660V

Phase-to-phase 519V

1038V 1141V

Burden at rated <0.10VA/phase @100V

Number Up to 7 voltage input according to various applications

2.1.3 Power Supply

Rated voltage 110Vdc/125Vdc/220Vdc/250Vdc 100Vac/110Vac/115Vac/120Vac

127Vac/220Vac/230Vac/240Vac

2

250Vac

Permissible voltage range

IEC 61000-4-11:2017 IEC 61000-4-29:2000

Permissible AC ripple voltage IEC 60255-26:2013

≤15% of the nominal auxiliary voltage

Burden

Quiescent condition <15W (default hardware

configuration)

Additional for each energized SFP 0.25W~0.35W

Additional for each energized binary input

Quiescent condition: <1W 0.004W @ 24Vdc 0.008W @ 48Vdc 0.015W @ 110Vdc 0.32W @ 220Vdc 0.41W @ 250Vdc Additional for each energized

binary output

Quiescent condition: <0.1W Operating condition: <0.44W Additional module for SV sampling <7W

2.1.4 Binary Input

Settable pickup voltage and dropout voltage

On value (default set) 69.3~132Vdc 78.75~160Vdc 138.6~264Vdc 157.5~300Vdc

Off value (default set) <55Vdc <62.5Vdc <110Vdc <125Vdc

Maximum permissible voltage 300Vdc

Withstand voltage 2000Vac, 2800Vdc (1 min)

Number Up to 84 (6U, 1/2 × 19'', ring ferrule), 105 (6U, 1/2 × 19'', pin ferrule),

259 (6U, 1/1 × 19'', ring ferrule) or 329 (6U, 1/1 × 19'', pin ferrule)

2

binary inputs according to various hardware configurations

Settable pickup voltage and dropout voltage

Maximum permissible voltage 300Vac

Withstand voltage 2000Vac, 2800Vdc (1 min)

Number

Up to 84 (6U, 1/2 × 19'', ring ferrule), 105 (6U, 1/2 × 19'', pin ferrule),

259 (6U, 1/1 × 19'', ring ferrule) or 329 (6U, 1/1 × 19'', pin ferrule) binary inputs according to various hardware configurations

Settable pickup voltage and dropout voltage

Maximum permissible voltage 300Vdc

Withstand voltage 2000Vac, 2800Vdc (1 min)

Number

Up to 84 (6U, 1/2 × 19'', ring ferrule), 105 (6U, 1/2 × 19'', pin ferrule),

259 (6U, 1/1 × 19'', ring ferrule) or 329 (6U, 1/1 × 19'', pin ferrule) binary inputs according to various hardware configurations

2.1.5 Binary Output

Tripping/signaling contact

Max system voltage 250Vac, 300Vdc

Pickup time (Typical value) <5ms

2

Dropout time (Resistive load) <6ms

Breaking capacity (L/R=40ms)

0.5A@48Vdc 0.35A@110Vdc 0.30A@125Vdc 0.20A@220Vdc 0.15A@250Vdc

Cyclic capacity (2.5 cycle/second,

L/R=40ms)

0.5A@48Vdc 0.35A@110Vdc 0.30A@125Vdc 0.20A@220Vdc 0.15A@250Vdc

Short duration current 30A@3s

50A@1s Durability (Loaded contact) 10000 operations

Number

Up to 44 (6U, 1/2 × 19'', ring ferrule), 56 (6U, 1/2 × 19'', pin ferrule),

135 (6U, 1/1 × 19'', ring ferrule) or 175 (6U, 1/1 × 19'', pin ferrule) binary outputs according to various hardware configurations

Heavy-capacity tripping contact

MOV protection (maximum voltage ) 350Vdc, 275Vac

Pickup time (Typical value) <1ms

Dropout time (Resistive load) <10ms

Breaking capacity (L/R=40ms)

10A@48V 10A@110V 10A@125V 10A@250V Cyclic capacity (4cycles in 1 second, 10A@48V L/R=40ms