PCS 978s x selection guide EN overseas general x r1 20

1 Functions and Applications Introduces the summary functions of this device, such as the protection, the automation, the control and the supervision.. 2 Guide of PCS-Torch Introduces

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Preface

About This Manual

The selection guide describes the application overview and the summary of protection, automation, control and supervision functions of PCS-978S Moreover, it provides the explanation about the application option, the firmware option, the software option, the hardware option and etc., and can be used to indicate how to order a PCS-978S based on expected configurations

1 Functions and Applications

Introduces the summary functions of this device, such as the protection, the automation, the control and the supervision Briefly introduces the typical application schemes of PCS-978S

2 Guide of PCS-Torch

Introduces the main functions of PCS-Torch, including create new project, create new device, export MOT and Manage MOT library, MOT configuration interface and the structure of the ordering code

3 MOT Information

Introduces the meaning and options of each field, and gives a detailed description about the selection rule for the application, the firmware, the software, the hardware, the chassis structure and so on

Document Revision History

PN: ZL_PCS-978S_X_Selection Guide_EN_Overseas General_X

R1.10 R1.20 2019-12-12

 Addition of GOOSE & SV communication information for non-conventional instrument in digital substation;

 Addition of “PCS-Torch” tool guide;

 Update to adapt to the latest “motLib” file of device;

 Update of ordering tool information

 Add reactor protection application scenario

 Add reactor current differential protection function 87R and inter-turn fault protection function 21IT

 Add binary input and binary output module NR6661

 Add mechanical relay input and output module NR6662

 Replace the NET-DSP module NR6112B with NR6113

 Deletion of the DC analogue input module NR6631B

Figure 1.1-1 Typical application of an auto-transformer 1-1

Figure 1.1-2 Typical application of a shunt reactor 1-2

1

1

1.1 General

PCS-978S transformer relay provides fast and selective protection, control and monitoring for

two-winding transformers, three-winding transformers, auto-transformers, as well as shunt

reactors The full transformer protections are configurable by user Ancillary functions of fault

diagnostic, disturbance records, event records and communication function are integrated in the

67P 64

REF 67G 51P

Alm 87W 87T

Figure 1.1-1 Typical application of an auto-transformer

52 52

Figure 1.1-2 Typical application of a shunt reactor

The PCS-978S is applicable not only to conventional substations, but also to 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 trip signals)

1.2 Protection Functions

1

87T Transformer differential protection

 Biased differential protection with three slopes

 Biased DPFC differential protection

 Unrestrained instantaneous differential protection

 Optional inrush current distinguished principles:

harmonic criterion or waveform distortion

 Optional harmonic blocking modes: self-adaptive 1Pblk1P mode, 2PBlk3P mode, 1Pblk3P mode

 Overexcitation detection: fifth harmonic or third harmonic criterion

 Optional transfer methods: △→Y or Y→△

 Independent CT saturation criterion

 Differential CT circuit failure supervision

64REF Restricted earth-fault protection

 Optional direction element

 CT transient characteristic difference detection

 CT saturation detection based on 2nd and 3rd harmonics

87W Winding differential protection

 CT transient characteristic difference detection

 CT saturation detection based on 2nd and 3rd harmonics

87R Reactor differential protection

 Biased DPFC differential protection

 Biased current differential protection

 Independent CT saturation criterion

 Harmonic blocking criterion

 Differential CT circuit failure supervision

21IT Inter-turn fault protection

 Zero-sequence power directional element and zero-sequence impedance element

 CT and VT circuit failure blocking

24 Overexcitation protection

 Two stages definite-time overexcitation protection

 Stage 1 of definite-time overexcitation protection for trip purpose

 Stage 2 of definite-time overexcitation protection for alarm purpose

 One stage inverse-time overexcitation protection for both alarm purpose and trip purpose

67P

50/51P Phase overcurrent protection

 6 stages with independent logic by default

 Voltage control element for each stage

 Optional direction element for each stage

 Optional definite-time characteristic and inverse-time characteristic for each stage

 Trip purpose or alarm purpose for each stage

 Harmonic control element for each stage

1

67G 50/51G Earth fault protection

 4 stages with independent logic by default

 Optional direction element for each stage

 Optional measured zero-sequence current or calculated zero-sequence current

 Optional definite-time characteristic and inverse-time characteristic 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

 Optional definite-time characteristic and inverse-time characteristic for each stage

49 Thermal overload protection

 Two stages thermal overload protection, and one stage for alarm purpose and the other stage for trip purpose

50BF Breaker failure protection

 Up to 6 circuit breakers are supported

 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

 Two time delays

59P Overvoltage protection

 Up to 2 stages with independent logic

 Optional definite-time characteristic and inverse-time characteristic 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 Undervoltage protection

 Up to 2 stages with independent logic

 Optional definite-time characteristic and inverse-time characteristic for each stage

 Optional phase voltage or phase-to-phase voltage

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

 Blocked by instantaneous VT circuit failure

 Selectable trip purpose or alarm purpose for each stage

1

59G Residual overvoltage protection

 Up to 2 stages with independent logic

 Optional measured zero-sequence voltage or calculated zero-sequence voltage

 Optional definite-time characteristic and inverse-time characteristic for each stage

 Selectable trip purpose or alarm purpose for each stage

81O Overfrequency protection  Up to 2 stages with independent logic

 Voltage control element 81U Underfrequency protection  Up to 4 stages with independent logic

 Voltage control element

1.3 Control Functions

 Switchgear control

 Double point status synthesis

 Remote/Local control mode switch

 Interlocking logic for control

 Direct control

 Closing synchronism check with voltage selection

 Switchgear trip counter

 Tap position indicator and control

1.4 Measurement and Metering Functions

 CT circuit failure supervision (CTS)

 VT circuit failure supervision (VTS)

 Self diagnostic

 Powerful faults recording (max buffer for 10,000 sampled points at 4.8 or 9.6 kHz)

 Event Recorder including 1024 disturbance records, 1024 binary events, 1024 supervision

1

events, 256 control logs and 1024 device logs

 Disturbance recorder including 64 disturbance records with waveforms (The file format of disturbance recorder is compatible with international COMTRADE file.)

 Single line diagram representation in display

1.6 Communication Functions

 Support of various protocols

Modbus, DNP3.0, IEC 60870-5-103, IEC 61850 Ed.1 & Ed.2, IEC 61850 MMS Server, IEC 61850-8-1 GOOSE, IEC 61850-9-2LE SV, IEC 62439 Parallel Redundancy Protocol, IEC

62439 HSR Ring Redundancy Protocol

 Up to four 10Base-T/100Base-TX copper Ethernet ports

 Up to fourteen 100Base-FX optical Ethernet ports

 Up to four 1000Base-SX optical Ethernet ports

 Two RS-485 serial ports for communication or printer

 One RS-485/TTL serial port for clock synchronization

 Two RJ45 debugging ports (front and rear)

 4 Programmable operator pushbuttons with user-configurable labels

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

 1 RS-232 or RS-485 rear ports for printer

 Language switchover—English+ selected language

 Configuration tool—PCS-Studio

1.8 Additional Functions

 User programmable logic

 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

1

 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 fibre 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

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2

2 Guide of PCS-Torch

Table of Contents

2.1 Introduction 2-1

2.2 Create New Project 2-1

2.3 Create New Device 2-2

2.4 MOT Configuration Interface 2-3

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2

2.1 Introduction

The PCS-Torch is an auxiliary ordering tool for the PCS S series products of NR Electric It is

recommended to run on a MS Windows 7/10 operating system

This tool helps to create a complete order code with detailed specifications based on the selection

of functional options such as software and hardware This tool supports engineering methods to

create models of various types of the PCS S series protection, measurement and control devices

in power substations, and can view or select device hardware and software configurations before

sales Meanwhile, it could preview device rear modules, and import or export the device

configuration results in the form of Excel table

The model library of all the types of device could be updated online automatically or offline

manually to facilitate the access of the latest functions of PCS S series devices

2.2 Create New Project

PCS-Torch manages a project according to the structure of "Project (Substation)"→"Voltage

Level"→"Bay"→"Device" as shown in Figure 2.2-1, however, it also supports to create a new

device under the node of "Substation" or "Voltage Level" directly

Click the button “New” to create a new project sorted by substation name

Right-click the menu “New device ” to create a new device

Right-click the menu “New device ” to create a new device

Right-click the menu “New device ” to create a new device

Figure 2.2-1 Project navigation when ordering IEDs

 Create several voltage levels or devices under the project node

2

 Create several bays or devices under the voltage level node

 Create several devices under the bay node

2.3 Create New Device

Create a new project

Open an existing project

Save the current project

Update the MOT (Market Ordering Table) library online

Import the MOT library locally

Right-click the menu "New device " under the node of project, voltage level or bay to create a

new device

 Select “By MOT lib” to pop-up a dialog box Enter the device name, select the device type and MOT version, and then click the button "OK" to create MOT information of the device

2

 Select “By MOT code” to pop-up a dialog box Enter the known MOT code and then click the

button "OK" to create the specific MOT information of the device

2.4 MOT Configuration Interface

In the MOT configuration interface, the integral ordering code is displayed at the top The detailed

MOT information is shown in a row/column format The first column indicates MOT item, the

second column indicates the board type corresponding to the chosen option, the third column

indicates available options corresponding to each item, and the fourth column indicates the

description about the chosen option

Double-click the cell in the "Option" column to switch the option from drop-down box When the

contents of the cell in the "Option" column is changed, the corresponding contents of the

"Description" in the same row is changed synchronously, and the corresponding bit of ordering

code is also changed synchronously There is possibly a mandatory binding rule or mutual

exclusion rule among MOT items The option will be chosen fixedly if an option's mandatory

binding rule is activated The option will be hidden if an option's mutual exclusion rule is activated

2

There is a corresponding relationship between MOT item and the ordering code When one bit of the ordering code is chosen, the corresponding MOT item will be highlighted When one MOT item is chosen, the corresponding bit of ordering code will be highlighted

Click the button "Default", all options will be chosen as default value directly Click the button

"Import Excel" or "Import Code", an existing MOT file (*.xls) or an MOT code can be directly

imported into the corresponding device type of PCS-Torch

2.5 Ordering Code

The ordering code of a MOT consists of 9 parts, including:

 Device type: indicates the device type

 U field: indicates application scenario

 A field: indicates firmware type, which can be standard version or regional version

 R field: indicates firmware version

 S field: indicates software functions

2

 C field: indicates chassis structure and installation

 PWR field: indicates the voltage level of power supply plug-in module

 H field: indicates plug-in module configuration

 MOT version: indicates MOT version

The display format is shown as below:

After finishing MOT (Market Ordering Table) configuration, click the button “Complete” to display

the currently selected configuration information, including the ordering code and the device′s

hardware configuration, is shown as below:

Copy ordering code based on selected information to the clipboard