PCS s series catalog 2020

NR’s New-generation IED Highlights • PCS-902S Line Distance Relay • PCS-931S Line Differential Relay • PCS-9611S Feeder Relay • PCS-9613S Differential Relay • PCS-978S Transformer Relay

Line Protection

PCS-902S Line Distance Relay PCS-931S Line Differential Relay PCS-9611S Feeder Relay PCS-9613S Differential Relay

Transformer Protection

PCS-978S Transformer Relay PCS-9671S Transformer Relay

Busbar Protection

PCS-915SC Centralized Busbar Relay PCS-915SD Distributed Busbar Relay

Bay Control Unit

PCS-9705S Bay Control Unit

Capacitor Protection

PCS-9631S Capacitor Relay

Stability Control System

PCS-994S Frequency and Voltage Controller

Measurement and Recording

PCS-221S Merging Unit PCS-996S-G Phasor Data Concentrator

Auxiliary Software

PCS-Studio Configuration Tool

PCS-Torch MOT Tool

001

001 001

002

002 002 003

006

011 032 054 080

105

109 130

149

153 168

312

312 312

Table of Contents >

Overview >

NR have collected more than 100 countries and regions of

engineering knowledge in products that will empower your

business for many years to come The state-of-art products

have inherited their philosophy and algorithms from previous

generations of proven NR masterpieces based on more than 20

years of experiences PCS S Series are the highly modular and

flexible generation of smart devices with the functions of

protection, automation and control designed for innovative

solutions With its modular structure, flexibility and the

powerful PCS-Studio configuration tool, PCS S series offer

future-oriented system solutions with high investment security

and low operating costs

The following devices are available to protect and control your

grid

NR’s New-generation IED

Highlights

• PCS-902S Line Distance Relay

• PCS-931S Line Differential Relay

• PCS-9611S Feeder Relay

• PCS-9613S Differential Relay

• PCS-978S Transformer Relay

• PCS-9671S Transformer Relay

• PCS-915SC Centralized Busbar Relay

• PCS-915SD Distributed Busbar Relay

• PCS-9631S Capacitor Relay

• PCS-994S Frequency and Voltage Controller

• PCS-9705S Bay Control Unit

• PCS-221S Merging Unit

• PCS-996S-G Phasor Data Concentrator

• Unified software and 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 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

universal logic programming, user-defined configuration of BI/BOs, buttons and LEDs and powerful analog 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 or 1/3 × 19"

• 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 IEEE1588, 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

PCS-915SD PCS-915SC PCS-9705S PCS-931S PCS-902S PCS-994S PCS-996S-G

PCS-915SD PCS-915SC PCS-9705S PCS-994S PCS-996S-G

Line Distance Protection

Line Differential Protection

Feeder Protection

PCS-931S, PCS-902SPCS-931S, PCS-9613SPCS-9611S, PCS-9613S

Line Protection

Centralized Busbar Protection

Distributed Busbar Protection

PCS-915SCPCS-915SD

Function Matrix

Merging Unit

Phasor Data Concentrator

PCS-221SPCS-996S-G

Measurement and Recording

Configuration Tool

MOT Tool

PCS-StudioPCS-Torch

Auxiliary Software

Frequency and Voltage Controller PCS-994S

Stability Control System

Protection functions for 3-pole tripping

Protection functions for 1-pole tripping

Distance protection

Impedance protection

Overexcitation protection

Synchrocheck, synchrocheck for manual closing

Phase undervoltage protection

Positive-sequence undervoltage protection

Power protection

Reverse power protection

Undercurrent protection

Broken conductor protection

Thermal overload protection

Circuit breaker failure protection

Dead zone protection

Earth-fault protection

Negative-sequence overcurrent protection

Sensitive ground-current protection

RMS overcurrent protection

Phase overcurrent protection

Switch onto fault protection (phase current)

Switch onto fault protection (residual current)

Phase overvoltage protection

Residual overvoltage protection

Negative-sequence overvoltage protection

Positive-sequence overvoltage protection

Current unbalance protection

Voltage unbalance protection

Pole discrepancy protection

Restricted earth-fault protection

Directional phase overcurrent protection

Directional earth-fault protection

Directional sensitive earth-fault protection

Tap changer control

Pilot distance protection

Weak or no infeed: Echo and Tripping

Pilot directional earth-fault protection

Busbar differential protection

Line differential protection for 2 line ends

Support of G.703 & C37.96

Stub differential protection

Transformer differential protection

Phase voltage differential protection

Neutral point voltage differential protection

Winding differential protection

Automatic voltage control

Fault locator, single-ended measurement

Phasor measurement unit

Phasor Data Concentrator

ABC or ACB phase rotation

Inrush current detection

External trip initiation

Circuit breaker wear statistic

Current circuit supervision

Voltage circuit supervision

Trip circuit supervision

PCS-915SD PCS-915SC PCS-9705S PCS-931S PCS-902S PCS-994S PCS-996S-G

PCS-915SD PCS-915SC PCS-9705S PCS-994S PCS-996S-G

PCS S series line and feeder protection devices protect

overhead and underground lines, feeders and cables on all

voltage levels with highest selectivity possible The large

number of protective and automatic functions available permits

their utilization in all areas 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 of automated operation Their modular structure

permits line protection devices always to be adapted flexibly to

the individual requirements

PCS-902S provides comprehensive protection and control

solutions for transmission lines with high-speed sub-cycle

distance element The PCS-902S is intended for application on

overhead line, cables and hybrid transmission lines with diverse

voltage levels With its flexibility and the powerful PCS-Studio

configuration tool, PCS-902S offers future-oriented system

solutions

PCS-902S Line Distance Relay

PCS-931S provides full-scheme current differential and distance protection solutions for transmission lines with high-speed sub-cycle distance element As well, the pilot scheme of distance protection and earth fault protection are integrated to provide a complete protection solution for the transmission line

PCS-931S Line Differential Relay

PCS-9611S relay is a protection, control and monitoring unit for various primary equipments (such as overhead line, underground cable and transformer etc.) on solidly grounded, impedance grounded, Peterson coil grounded and ungrounded system

PCS-9611S Feeder Relay

PCS-9613S relay is a protection, control and monitoring unit for the feeder line in all systems of which the neutral point is effectively grounded or not effectively grounded

PCS-9613S Differential Relay

Two-terminal transmission lines

Overcurrent protection (transformer, capacitor, etc backup protection)

■

■

Current inputs (Up to)

Voltage inputs (Up to)

77

77

67

44

I/O Quantities

Configurable binary inputs (Up to)

Configurable binary outputs (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)

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)

34 (6U, 1/3 × 19", ring ferrule),

41 (6U, 1/3 × 19", pin ferrule),

84 (6U, 1/2 × 19", ring ferrule) or

105 (6U, 1/2 × 19", pin ferrule)

34 (6U, 1/3 × 19"ring ferrule),

41 (6U, 1/3 × 19"pin ferrule),

84 (6U, 1/2 × 19"ring ferrule) or

105 (6U, 1/2 × 19"pin ferrule)

22 (6U, 1/3 × 19"pin ferrule),

44 (6U, 1/2 × 19"ring ferrule) or

56 (6U, 1/2 × 19"pin ferrule)

PROTECTION & CONTROL

PCS-902SANSI Functions PCS-931S PCS-9611S PCS-9613S

Protection functions for 1-pole tripping

Protection functions for 3-pole tripping

DPFC current differential protection

Steady-state current differential protection

Neutral current differential protection

Pilot distance protection

Pilot directional earth-fault protection

Phase-to-phase distance protection

Phase-to-ground distance protection

Undercurrent protection

Thermal overload protection

Directional phase overcurrent protection

RMS overcurrent protection

Sensitive earth fault protection

Phase overcurrent protection

Arc flash protection

Directional earth-fault protection

Earth-fault protection

Directional negative-sequence overcurrent protection

Negative-sequence overcurrent protection

Breaker failure protection

Broken conductor protection

Dead zone protection

Pole discrepancy protection

Phase undervoltage protection

Phase overvoltage protection

Negative-sequence overvoltage protection

Positive-sequence overvoltage protection

Residual overvoltage protection

Underfrequency protection

Overfrequency protection

Frequency rate-of-change protection

Reverse power protection

PROTECTION & CONTROL

PCS-902SANSI Functions PCS-931S PCS-9611S PCS-9613S

Stub differential protection

Switch-onto-fault logic (Distance)

Switch-onto-fault logic (Phase current)

Switch-onto-fault logic (Residual current)

Current unbalance protection

Voltage unbalance protection

Cold load pickup

Power swing blocking release logic

Phasor measurement unit

User-defined function buttons

Circuit breaker & disconnector control (Remote/local)

Setting groups

GOOSE receiving control block (Typical configuration)

GOOSE sending control block (Typical configuration)

SV receiving control block (Typical configuration)

Phase rotation (ABC or ACB)

Voltage and current drift auto adjustment

■

■20Max.64Max.16Max.12

■

■18

■

■20Max.64Max.16Max.12

1024649.6/4.8 kHz

■

1024649.6/4.8 kHz

■

1024649.6/4.8 kHz

Front Ethernet port (RJ45)

Rear RS485 port (SCADA)

Rear RS485 port (IRIG-B)

Rear station bus port (RJ45/ST/LC)

Rear process bus port (LC)

Rear pilot channel port (FC/ST)

■21421/2

■21421/2

■2142

■21421/2

ModBus

DNP3.0

IEC 60870-5-103

IEC 61850 Edition1 & 2

IEC 62439 Parallel redundancy protocol (PRP)

IEC 62439 Ring redundancy protocol (HSR)

PCS-902S Line Distance Relay

Features

PCS-902S line distance relay integrates main and back-up

protection functions, which is designed for overhead line,

cables and hybrid transmission lines of various voltage levels

and provides comprehensive protection and control solutions

With its flexibility and the powerful PCS-Studio configuration

tool, PCS-902S offers future-oriented system solutions with

high investment security and low operating costs

Functions Protection and Control

• Two-terminal transmission line application, including overhead

line and cable

• Distance Protection

° Distance protection adopts the half-wave algorithm, and

its typical operation time is 12-15ms

° 6 zones distance protection, independent zero-sequence

compensation factor for each zone, the phase-to-ground

and phase-to-phase characteristic of distance protection

can be set independently

° The unique power swing blocking releasing logic can

properly supervise distance protection during power

swing, which ensures distance protection to operate

correctly for internal faults during power swing, and

prevents distance protection from mal-operation during

power swing

• 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

• Special overcurrent element of breaker failure protection, its dropoff time is no more than 15ms

• 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 characteristic curves, also the curve can be defined by users and the inverse-time drop-off curve selection is supported

• Support single-ended impedance-based fault location, mutual compensation for parallel lines arrangement is also available

• 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

Innovative Deviation of Power Frequency Component (DPFC) distance protection quickly clears faults in a sub- cycle DPFC

is immune to the load fluctuation, weak-infeed and power swing

• High-speed DPFC distance protection (21D)

Mho or quadrilateral characteristic, directional, load encroachment, power swing blocking releasing and unique low-voltage elements are provided for phase-to-phase distance protection

• Six zone phase-to-phase distance protection (21L)

Mho or quadrilateral characteristic, reactance characteristic, directional, load encroachment, power swing blocking releasing

a n d u n i q u e l o w - v o l t a g e e l e m e n t s a r e p r o v i d e d f o r phase-to-ground distance protection

• Six zone phase-to-ground distance protection (21L)

An independent zone (forward direction and reverse direction, mho or quadrilateral characteristics) for pilot scheme, such as PUTT, POTT, Blocking, Unblocking, Zone Extension The scheme integrates current reversal logic, weak-infeed echo and open breaker echo

• Pilot distance protection (85)

Directional zero-sequence comparison element for pilot

scheme, such as PTT, Blocking and Unblocking The scheme

integrates current reversal logic, weak-infeed echo and open

breaker echo

• Pilot directional earth-fault protection (85)

The power swing blocking releasing logic prevents mal-operations

during external faults in power swing situations It quickly clears

the internal faults in power swing scenarios

• Unique power swing blocking releasing logic (PSBR)

Selectable time characteristics (definite-time or inverse-time),

voltage control elements and directional control elements (forward,

reverse or non-directional) are provided A harmonic blocking

function is integrated to restrain each stage independently

• Six stages phase overcurrent protection (67P, 50/51P)

Selectable time characteristics (definite-time or inverse-time) and

directional control elements (forward, reverse or non-directional)

are provided A harmonic blocking function is integrated to restrain

each stage independently

• Six stages earth-fault protection (67G, 50/51G)

Switch-onto-fault logic is used to acceleratedly clear the faults during

manual closing and auto-reclosing based on distance element or

overcurrent element (phase current and residual current)

• Switch-onto-fault (SOTF) logic

Time characteristics is selectable between definite-time and

inverse-time Phase voltage or phase-to-phase voltage can be

selected for protection calculation “1-out-of-3” or “3-out-of-3”

logic can be selected for protection criterion The current check

and the circuit breaker position check are also can be used as

auxiliary criterion

• Two stages phase undervoltage protection (27P)

Time characteristics is selectable between definite-time and

inverse-time Phase voltage or phase-to-phase voltage can be

selected for protection calculation “1-out-of-3” or “3-out-of-3”

logic can be selected for protection criterion

• Two stages phase overvoltage protection (59P)

Selectable tripping purpose or alarm purpose

• Two stages negative-sequence overvoltage protection (59Q)

Selectable tripping purpose or alarm purpose

• Two stages residual overvoltage protection (59G)

Frequency is calculated by using the positive-sequence voltage Positive-sequence undervoltage is provided as blocking element

• Six stages overfrequency protection (81O)

Frequency is calculated by using the positive-sequence voltage Positive-sequence undervoltage is provided as blocking element

• Six stages underfrequency protection (81U)

Frequency is calculated by using the positive-sequence voltage Positive-sequence undervoltage is provided as blocking element

• Six stages frequency rate-of-change protection (81R)

The maximum phase current, the positive-sequence voltage and the negative-sequence voltage are used as auxiliary criterion Selectable tripping purpose or alarm purpose

• Two stages reverse power protection (32R)

“1-out-of-3” or “3-out-of-3” logic can be selected for protection criterion The current check and the circuit breaker position check are also can be used as auxiliary criterion

• One stage undercurrent protection (37)

Selectable current criterion including phase current element, zero-sequence overcurrent element and negative-sequence overcurrent element, circuit breaker auxiliary contact is used as

an option criterion for breaker failure check Phase-segregated re-trip and three-phase re-trip are available, and it provides two time delays of tripping It can be applied to single-breaker and dual-breaker applications

• Breaker failure protection (50BF)

Clear the dead zone faults between CT and the circuit breaker

• Dead zone protection (50DZ)

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

• Broken conductor protection (46BC)

It can be initiated by three auxiliary contacts of phase-segregate circuit breaker, and optional auxiliary criterion includes zero-sequence current element or negative-sequence current element

• Pole discrepancy protection (62PD)

Selectable time characteristics (definite-time or inverse-time) and

directional control elements (forward, reverse or non-directional)

are provided Selectable tripping purpose or alarm purpose

• Two stages negative-sequence overcurrent protection

(67Q, 50/51Q)

It can protect the T-zone in one-and-a-half breaker and ring

breaker arrangements

• Stub differential protection (87STB)

It is easy to set and independent of system parameters

• Out-of-step protection (78)

Single-/Three-pole reclosing mode is provided Up to four-shot

breaker auto-reclosing with synchro-check and voltage check

logic Both protection operating and external binary input can

be used as triggering condition

• Auto-reclosing (79)

The control of circuit breaker, disconnector and earth switch

can be implemented via communication, LCD menu and binary

inputs It can switch between remote mode and local mode

Double point status synthesis, trip statistics, interlocking, direct

control and manual control are available

• Switchgear control

Synchronism check can be used for auto-reclosing and manual

closing for single-breaker and dual-breaker The synchronism

check function compensates for breaker close time, frequency,

magnitude, and angle differences between the two voltage

sources used for synchronism

• Synchronism Check (25)

Based on "Near priority" principle, the reference and

synchronization voltages in double busbars and one-and-half

circuit breakers, or three-phases voltage among double busbars

used by protection calculations or measurements can be

switched among different input sources

• Voltage selection

The relay continually and automatically traces the voltage and

current drifts and adjusts the zero point to acquire accurate

measurements

• Voltage and current drift auto adjustment

• Single-ended impedance-based fault location

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)

• 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

Monitoring and Measurement

• Energy measurement (active and reactive energies for import and export)

• CT circuit failure supervision

• VT circuit failure supervision

• Fault phase selection

• Fault Locator with parallel-line compensation

• Self diagnostic

• Event recorder including 1024 change-of-binary-input events,

1024 supervision events, 256 control logs and 1024 device logs

• Disturbance recorder including 64 disturbance records with waveforms (The format is compatible with COMTRADE.)

• Pilot communication channel supervision

• System frequency supervision

• Clock synchronization using IRIG-B, SNTP, PPS (Pulse-Per- Second) and PPM (Pulse-Per-Minute) , IEEE 1588

• 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 and HSR

• One front RJ45 port for debugging

Digital Interface

• 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

Front-panel status indication and control of switches

Easy-to-use keypad aids simple navigation and set-point

adjustment

Push buttons for open/close, switch for selection between

local and remote control, and user's login and logout authority

The device includes two kinds of case sizes

253253

243243

233.5233.5

219.4453

208.4442

Note: The dimensions of device depth include the dimension of terminal connector without wire harness 22mm.

Certain mounting method needs special mounting accessory for support.

Flush Mounting

9.59.5

229.4463

263.4497

246.4480

Case size (mm) H3 H4 D4 D5 W3 W4 W5

Surface Mounting

Case size (mm)

Case size (mm) H6 H7 D8 W7 W8

Wall Mounting

Single 6U, 1/1 × 19"

Rack Mounting

Cut-out

Single 6U, 1/2 × 19"

Dual 6U, 1/2 × 19"

ABC or ACB50Hz, 60Hz1A/5A (settable)0.05In~40In

600V660V

Phase-to-phase519V

1038V1141V

ABC or ACB 50Hz, 60Hz 100V~130V 1V~300V

Power Supply

Standard

Rated voltage

Permissible voltage range

Permissible AC ripple voltage ≤15% of the nominal auxiliary voltage

Burden

IEC 61000-4-29:2000 110Vdc/125Vdc/220Vdc/250Vdc88~300Vdc

Quiescent condition <15W (default hardware configuration)Additional for each energized SFP 0.25W~0.35W

80~275Vac100Vac/110Vac/115Vac/120Vac127Vac/220Vac/230Vac/240Vac/250Vac

Additional module for SV sampling <7W

Additional for each energizedbinary input

Additional for each energizedbinary output

Quiescent condition: <0.1WOperating condition: <0.44W

Quiescent condition: <1W0.004W @ 24Vdc0.008W @ 48Vdc0.015W @ 110Vdc0.32W @ 220Vdc0.41W @ 250Vdc

Binary Input: Settable pickup voltage and dropoff voltage

Rated voltage

Rated current drain

On value (default set)

Off value (default set)

Maximum permissible voltage

Withstand voltage

110Vdc0.73mA69.3~132Vdc

<55Vdc300Vdc 2000Vac, 2800Vdc (1 min)

125Vdc0.83mA78.75~160Vdc

<62.5Vdc

220Vdc1.47mA138.6~264Vdc

<110Vdc

250Vdc1.67mA157.5~300Vdc

<125Vdc

Binary Input: Settable pickup voltage and dropoff voltage

Rated voltage

Rated current drain

On value (default set)

Off value (default set)

Maximum permissible voltage

Withstand voltage

110Vac0.73mA69.3~132Vac

<55Vac300Vac 2000Vac, 2800Vdc (1 min)

220Vac1.47mA138.6~264Vdc

<110Vac

Binary Input: Settable pickup voltage and dropoff voltage

Rated voltage

Rated current drain

On value (default set)

Off value (default set)

Maximum permissible voltage

Withstand voltage

24Vdc0.16mA15.12~28.8Vdc

<12Vdc300Vdc 2000Vac, 2800Vdc (1 min)

48Vdc0.32mA30.24~57.6Vdc

<24Vdc

Binary Output: Tripping/signaling contact

Output mode

Max system voltage

Continuous carry

Pickup time (Typical value)

Dropoff time (Resistive load)

Breaking capacity (L/R=40ms)

Potential free contact250Vac, 300Vdc10A

<5ms

<6ms

Durability (Loaded contact) 10000 operations

0.5A@48Vdc0.35A@110Vdc0.30A@125Vdc0.20A@220Vdc0.15A@250Vdc

Cyclic Capacity

(2.5 cycle/second, L/R=40ms)

0.5A@48Vdc0.35A@110Vdc0.30A@125Vdc0.20A@220Vdc0.15A@250Vdc

Short duration current 30A@3s

Pickup time (Typical value)

Dropoff time (Resistive load)

Breaking capacity (L/R=40ms)

Potential free contact350Vdc, 275Vac10A

<1ms

<10ms10A@48V10A@110V10A@125V10A@250V

Cyclic Capacity

(4cycles in 1 second, followed by 2

minutes idle for thermal dissipation)

10A@48V L/R=40ms10A@110V L/R=40ms10A@125V L/R=40ms10A@250V L/R=20msShort duration current 30A@3s

50A@1s

IP54 (valid for surface mounting mode of 6U, 1/2 × 19" case with sealing strip)IP50

Transport and storage temperature range

Permissible humidity

Pollution degree

Altitude

-40°C to +80°C5%-95%, without condensationII

100Base-TX100mIEC 60870-5-103:1997, DNP 3.0 or IEC 61850 Isolation to ELV level

100Base-FX2km (1310nm)

Optical Fibre Port: For Station Level and Process Level

Minimum transmission power

Minimum receiving power

Margin

50μm: -24dBmMin -31dBm

62.5μm: -20dBm

50μm: -7dBm 62.5μm: -9dBm

Glass optical fiber

LC Multi-mode 2km 1310nm

Optical Fibre Port: For Pilot Communications

Minimum receiving power

Max transmission distance

Glass optical fiber

ST or FCSingle mode1310nm-11.0dBm~-7.0dBm-38dBm

60km

1550nm0dBm~5dBm-36dBm120km

850nm62.5μm: -20dBm~-12dBm62.5μm: -32dBm

62.5μm: 2kmMulti-mode

Environmental Tests

Dry cold test

Dry heat test

Damp heat test, cyclic

IEC60068-2-1:2007IEC60068-2-2:2007IEC60068-2-30:2005

IIIIsolation resistance >100MΩ@500VDC

Electromagnetic Compatibility

1MHz burst disturbance test

IEC 60255-26:2013 Common mode: class III 2.5kV Differential mode: class III 1.0kV

Electrostatic discharge test

IEC 61000-4-2-2008 class IV For contact discharge: 8kV For air discharge: 15kV

Mechanical Tests

Vibration

Shock and bump

IEC 60255-21-1:1988 Class IIEC 60255-21-2:1988 Class I

Radio frequency interference tests

IEC 60255-26:2013 class IIIFrequency sweep

Radiated amplitude-modulated10V/m (rms), f=80~1000MHz, 1400~2700MHzSpot frequency

Radiated amplitude-modulated10V/m (rms), f=80MHz/160MHz/450MHz/900MHz

Surge immunity test

IEC 60255-26:2013Power supply, AC input, I/O port: class IV, 1.2/50μsCommon mode: 4kV

Differential mode: 2kV

Conducted RF electromagnetic

disturbance

IEC 60255-26:2013Power supply, AC, I/O, Comm Terminal: Class III, 10V (rms) , 150 kHz~80MHzSpot frequency

10V (rms) , f=27MHz/68MHz

Fast transient disturbance tests

IEC 60255-26:2013 Power supply, I/O, Earth: class IV, 4kV, 5kHz, 5/50ns Communication terminals: class IV, 2kV, 5kHz, 5/50ns

Power frequency magnetic field

immunity

IEC 61000-4-8: 2009 class V, 100A/m for 1min, 1000A/m for 3s

Pulse magnetic field immunity IEC 61000-4-9:2016

class V, 6.4/16μs, 1000A/m for 3s Damped oscillatory magnetic field

immunity

IEC 61000-4-10:2016 class V, 100kHz & 1MHz–100A/m Conducted emission

IEC 60255-26:20130.15MHz~0.50MHz: 79dB (μV) quasi peak, 66dB (μV) average0.50MHz~30MHz: 73dB (μV) quasi peak, 60dB (μV) average

Radiated emission

IEC 60255-26:2013

Below 1GHz

30MHz~230MHz: 40dB (μV/m) quasi peak @10m,50dB (μV/m) quasi peak @3m

230MHz~1000MHz: 47dB (μV/m) quasi peak @10m,57dB (μV/m) quasi peak @3m

Above 1GHz

1GHz~3GHz: 56dB (μV/m) average,76dB (μV/m) peak @3m

3GHz~6GHz: 60dB (μV/m) average,80dB (μV/m) peak @3m

Liquid Crystal Display (LCD)

Grounding (Earthing) Connection

Screw terminals, 1.5~4mm2 leadScrew terminals, 0.8~4mm2 leadScrew terminals, 0.8~4mm2 leadScrew terminals, 0.8~4mm2 leadBVR type, 0.8~4mm2 lead

M4M4M4M4M3

1.6~1.8 N·m1.6~1.8 N·m0.8~1.4 N·m0.8~1.4 N·m0.6~0.8 N·m

Wire Size Screw Type Torque

0.4~0.6 N·m0.4~0.6 N·m

Wire Size Screw Type Torque

Measurement Scope and Accuracy

without reset

Voltage shortinterruptions

50ms for interruption without rebooting withoutenergy storage board (Typical configuration)500ms for interruption without rebooting withenergy storage board (Typical configuration)

Management Function

Active power (W) 0.05~1.50Un

0.05~4.00In

≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)

≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)Reactive power (VAr) 0.05~1.50Un0.05~4.00In ≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)Apparent power (VA) 0.05~1.50Un

0.05~4.00In

≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)

≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)Energy (Wh) 0.05~1.50Un

0.05~4.00In

≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)

≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)Energy (VAh) 0.05~1.50Un0.05~4.00In ≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)

Control Performance

Control mode

Response time of local control

Response time of remote control

Fault and Disturbance Recording

Duration & Recording position

Sampling rate

Settable pre-disturbance, post-disturbance and maximum recorded duration

Up to 9.6kHz

Binary Input Signal

Resolution of binary input signal

Binary input mode

≤1msPotential-free contact

Current 0.05~4.00In ≤ 1.0% of rating (0.05~1.00In)

≤ 0.5% of applied quantities (1.00~4.00In)Voltage 0.05~1.50Un ≤ 1.0% of rating (0.05~1.00Un)

≤ 0.5% of applied quantities (1.00~1.50Un)

PCS-931S Line Differential Relay

Features

PCS-931S line differential relay integrates main and back-up

protection functions, which is designed for overhead line,

cables and hybrid transmission lines of various voltage levels

and provides comprehensive protection and control solutions

With its flexibility and the powerful PCS-Studio configuration

tool, PCS-931S offers future-oriented system solutions with

high investment security and low operating costs

• Two-terminal transmission line application, including overhead

line and cable, support steady-state and transient capacitive

current compensation

• Differential Protection

° Phase-segregated differential protection employs DPFC

and steady quantities as protection criteria, easy to set,

quick to clear the fault, high sensitivity and immune to

power swing and load fluctuation

° Self-adaptive floating threshold which only reflects

deviation of power frequency components improves the

sensitivity and reliability during load fluctuation and

system disturbance

° Current differential protection adopts three-segment

philosophy, each slope can be set by user

° Current differential protection has the excellent resistance

to CT saturation when external fault As long as the correct transfer time is no less than 3ms, current differential protection will ensure fast clearance of internal fault and non-operation of external fault

° Innovative dynamic capacitive current compensation is introduced to the device, in order to compensate both steady-state capacitive current and transient capacitive

c u r r e n t , w h i c h c a n i n c r e a s e s t h e s e n s i t i v i t y t o high-impedance faults in long distance transmission lines

° Current differential protection supports double fiber channel, parallel and independent, either can be selected

as main channel and seamlessly switched to standby channel when main channel is abnormal

° Unique and reliable differential logic and it can be set non-operation when CT circuit failure under normal conditions

° The unique power swing blocking releasing logic can properly supervise distance protection during power swing, which ensures distance protection to operate correctly for internal faults during power swing, and prevents distance protection from mal-operation during power swing

• 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 characteristic curves, also the curve can be defined by users and the inverse-time drop-off curve selection is supported

• Support single-ended impedance-based fault location, mutual compensation for parallel lines arrangement is also available

• Support ping-pang synchronization mode

• 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

Functions

Protection and Control

Innovative Deviation of Power Frequency Component (DPFC)

distance protection quickly clears faults in a sub- cycle DPFC

is immune to the load fluctuation, weak-infeed and power

swing

• High-speed DPFC distance protection (21D)

Mho or quadrilateral characteristic, directional, load encroachment,

power swing blocking releasing and unique low-voltage elements

are provided for phase-to-phase distance protection

• Six zone phase-to-phase distance protection (21L)

Mho or quadrilateral characteristic, reactance characteristic,

directional, load encroachment, power swing blocking releasing

and unique low-voltage elements are provided for phase-to-ground

distance protection

• Six zone phase-to-ground distance protection (21L)

Phase-segregated percentage differential characteristic, reflects

superimposed quantities which can recognize the sensitive

protection for high impedance faults Dynamic capacitive current

compensation, adaptive restraint threshold and CT saturation

detection are integrated to achieve a combination of both

dependability and security

• DPFC current differential protection (87L)

Phase-segregated percentage differential characteristic, dynamic

capacitive current compensation, adaptive restraint threshold and

CT saturation detection are integrated to achieve a combination of

both dependability and security

• Steady-state current differential protection (87L)

Improve the sensitivity to the earth faults during heavy load state

Dynamic capacitive current compensation, adaptive restraint

threshold and CT saturation detection are integrated to achieve a

combination of both dependability and security

• Neutral current differential protection (87L)

An independent zone (forward direction and reverse direction,

mho or quadrilateral characteristics) for pilot scheme, such as

PUTT, POTT, Blocking, Unblocking, Zone Extension The scheme

• Pilot distance protection (85)

Directional zero-sequence comparison element for pilot scheme, such as PTT, Blocking and Unblocking The scheme integrates current reversal logic, weak-infeed echo and open breaker echo

• Pilot directional earth-fault protection (85)

The power swing blocking releasing logic prevents mal-operations during external faults in power swing situations It quickly clears the internal faults in power swing scenarios

• Unique power swing blocking releasing logic (PSBR)

Selectable time characteristics (definite-time or inverse-time), voltage control elements and directional control elements (forward, reverse or non-directional) are provided A harmonic blocking function is integrated to restrain each stage independently

• Six stages phase overcurrent protection (67P, 50/51P)

Selectable time characteristics (definite-time or inverse-time) and directional control elements (forward, reverse or non-directional) are provided A harmonic blocking function is integrated to restrain each stage independently

• Six stages earth-fault protection (67G, 50/51G)

Switch-onto-fault logic is used to acceleratedly clear the faults during manual closing and auto-reclosing based on distance element or overcurrent element (phase current and residual current)

• Switch-onto-fault (SOTF) logic

Time characteristics is selectable between definite-time and inverse-time Phase voltage or phase-to-phase voltage can be selected for protection calculation “1-out-of-3” or “3-out-of-3” logic can be selected for protection criterion The current check and the circuit breaker position check are also can be used as auxiliary criterion

• Two stages phase undervoltage protection (27P)

Time characteristics is selectable between definite-time and inverse-time Phase voltage or phase-to-phase voltage can be selected for protection calculation “1-out-of-3” or “3-out-of-3” logic can be selected for protection criterion

• Two stages phase overvoltage protection (59P)

• Two stages negative-sequence overvoltage protection (59Q)

Selectable time characteristics (definite-time or inverse-time) and directional control elements (forward, reverse or non-directional) are provided Selectable tripping purpose or alarm purpose

• Two stages negative-sequence overcurrent protection (67Q, 50/51Q)

• 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

Selectable tripping purpose or alarm purpose

• Two stages residual overvoltage protection (59G)

It is easy to set and independent of system parameters

• Out-of-step protection (78)

Single-/Three-pole reclosing mode is provided Up to four-shot breaker auto-reclosing with synchro-check and voltage check logic Both protection operating and external binary input can

be used as triggering condition

• Auto-reclosing (79)

The control of circuit breaker, disconnector and earth switch can be implemented via communication, LCD menu and binary inputs It can switch between remote mode and local mode Double point status synthesis, trip statistics, interlocking, direct control and manual control are available

• Switchgear control

Synchronism check can be used for auto-reclosing and manual closing for single-breaker and dual-breaker The synchronism check function compensates for breaker close time, frequency, magnitude, and angle differences between the two voltage sources used for synchronism

• Synchronism Check (25)

Based on "Near priority" principle, the reference and synchronization voltages in double busbars and one-and-half circuit breakers, or three-phases voltage among double busbars used by protection calculations or measurements can be switched among different input sources

• Voltage selection

The relay continually and automatically traces the voltage and current drifts and adjusts the zero point to acquire accurate measurements

• Voltage and current drift auto adjustment

• Single-ended impedance-based fault location

Frequency is calculated by using the positive-sequence voltage

Positive-sequence undervoltage is provided as blocking element

• Six stages overfrequency protection (81O)

Frequency is calculated by using the positive-sequence voltage

Positive-sequence undervoltage is provided as blocking element

• Six stages underfrequency protection (81U)

Frequency is calculated by using the positive-sequence voltage

Positive-sequence undervoltage is provided as blocking element

• Six stages frequency rate-of-change protection (81R)

The maximum phase current, the positive-sequence voltage and

the negative-sequence voltage are used as auxiliary criterion

Selectable tripping purpose or alarm purpose

• Two stages reverse power protection (32R)

“1-out-of-3” or “3-out-of-3” logic can be selected for protection

criterion The current check and the circuit breaker position check

are also can be used as auxiliary criterion

• One stage undercurrent protection (37)

Selectable current criterion including phase current element,

zero-sequence overcurrent element and negative-sequence

overcurrent element, circuit breaker auxiliary contact is used as an

option criterion for breaker failure check Phase-segregated re-trip

and three-phase re-trip are available, and it provides two time

delays of tripping It can be applied to single-breaker and

dual-breaker applications

• Breaker failure protection (50BF)

Clear the dead zone faults between CT and the circuit breaker

• Dead zone protection (50DZ)

Adopt the ratio of negative-sequence current to positive-sequence

current (Ι2/Ι1) to detect the broken conductor

• Broken conductor protection (46BC)

It can be initiated by three auxiliary contacts of phase-segregate

circuit breaker, and optional auxiliary criterion includes zero-sequence

current element or negative-sequence current element

• Pole discrepancy protection (62PD)

It can protect the T-zone in one-and-a-half breaker and ring breaker

arrangements

• Stub differential protection (87STB)

Phasor Measurement Unit (PMU)

• Energy measurement (active and reactive energies for import

and export)

• CT circuit failure supervision

• VT circuit failure supervision

• Fault phase selection

• Fault Locator with parallel-line compensation

• Self diagnostic

• Event recorder including 1024 change-of-binary-input events,

1024 supervision events, 256 control logs and 1024 device

logs

• Disturbance recorder including 64 disturbance records with

waveforms (The format is compatible with COMTRADE.)

• Pilot communication channel supervision

• System frequency supervision

• Clock synchronization using IRIG-B, SNTP, PPS (Pulse-Per-

Second) and PPM (Pulse-Per-Minute) , IEEE 1588

Monitoring and Measurement

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

Front-panel status indication and control of switches

Easy-to-use keypad aids simple navigation and set-point

adjustment

Push buttons for open/close, switch for selection between

local and remote control, and user's login and logout authority

• 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 and HSR

• One front RJ45 port for debugging

243243

233.5233.5

219.4453

208.4442

The device includes two kinds of case sizes

Note: The dimensions of device depth include the dimension of terminal connector without wire harness 22mm.

Certain mounting method needs special mounting accessory for support.

Flush Mounting

9.59.5

229.4463

263.4497

246.4480