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2008 Product Catalog NR keeps the lights on

Practice, Improvement, Cooperation and Innovation

NANJING NARI-RELAYS ELECTRIC CO., LTD

 

NR keeps the lights on

for you

Practice, Improvement, Cooperation, Innovation

Copyright Copyright © NARI-RELAYS 2008.01 (V2.0). All rights reserved

We reserve all rights to this document and to the information contained herein. Improper use in particular reproduction and dissemination to third parties is strictly forbidden except where expressly authorized. The information in this manual is carefully checked periodically, and necessary corrections will be included in future editions. If the user nevertheless detects any errors, he is appreciated any suggested correction or improvement. We reserve the rights to make technical improvements without notice.

Manufacturer: NANJING NARI-RELAYS ELECTRIC CO., LTD. 69 Suyuan Avenue, Jiangning, Nanjing 211102, 211102, China Tel: +86 25 8717 8888 Fax: +86 25 8717 8999 Website: www.nari-relays.com. E-mail: [email protected], [email protected]

 

CONTENTS COMPANY PROFILE

6

PRODUCT LINE

8

SOLUTIONS

9

ENGINEERING SERVICE & TRAINING

19

PROTECTION & CONTROL TRANSMISSION LINE PROTECTION

20 20

RCS-901 Line Directional Relay RCS-901 

22

RCS-902 Liine Distance Relay RCS-902 L

27

RCS-931 Liine Differential Relay RCS-931 L

34

RCS-941 Liine Distance Relay RCS-941 L

41

RCS-943 Liine Differential Relay RCS-943 L

46

RCS-922 Sttub Differential Relay RCS-922 S

51

RCS-924 Sttub Differential Relay RCS-924 S

56

oltage Relay RCS-925 Vo RCS-925 V

61 66

CIRCUIT BREAKER PROTECTION RCS-921 B RCS-921  Brreaker Failure Protection RCS-923 Brreaker Failure Protection RCS-923 B

67 72 77

CAPACITOR PROTECTION apacitor Management Relay RCS-9631C Ca RCS-9631C C

78 82

BUSBAR PROTECTION usbar Protection RCS-915 Bu RCS-915 B

83 94

TRANSFORMER PROTECTION RCS-978 Trransformer Protection RCS-978 T

96

RCS-974 Trransformer Auxiliary Relay RCS-974 T

99

RCS-9621C Trransformer Management Relay RCS-9621C T

106

RCS-9661C Trransformer Auxiliary Relay RCS-9661C T

110

RCS-9671C T RCS-9671C  Trransformer Differential Relay RCS-9679C Trransformer Relay RCS-9679C T

114 118

RCS-9681C Trransformer Management Relay RCS-9681C T

122 126

REACTOR PROTECTION eactor Protection RCS-917 Re RCS-917 R

127

eactor Management Relay RCS-9647C Re RCS-9647C R

131

GENERATOR AND GENERATOR-TRANSFORMER UNIT PROTECTION enerator-Transformer Unit Protection RCS-985 Ge RCS-985 G

135 138 145

MOTOR PROTECTION otor Management Relay RCS-9641C Mo RCS-9641C M

146

otor Management Relay RCS-9642C Mo RCS-9642C M

150

DISTRIBUTION FEEDER PROTECTION AND CONTROL

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154

 

RCS-9611C F RCS-9611C  Fe eeder Management Relay

155

RCS-9613C F RCS-9613C  Fe eeder Differential Relay

160

RCS-9615C F RCS-9615C  Fe eeder Management Relay

164

RCS-9651C A RCS-9651C  Au utomatic Transfer Relay

168

PCS-9690 F PCS-9690  Fe eeder and Motor Protection and Control for Distribution System

172

AUTOMATION

173

SUBSTATION AUTOMATION SYSTEM

173

RCS-9700 S RCS-9700  Se eries Substation Automation System

173

RCS-9700 S RCS-9700  SA AS Software Package

177

RCS-9698 R RCS-9698  Re emote Terminal Unit

178

RCS-9794 P RCS-9794  Prrotocol Converter

180

RCS-9881/ RCS-9882  RCS-9882  Ethernet Switch

183

RCS-9700C B RCS-9700C  Ba ay Control Unit (BCU)

184

RCS-9785  GPS Synchronization Unit RCS-9785

186

RCS-9785E T RCS-9785E  Tiime Pulse Extension Equipment

187

POWER PLANT AUTOMATION SYSTEM

188

PCS-9100 D PCS-9100  Diistribution Control System for thermal control (DCS)

188

RCS-9700 E RCS-9700  Ellectrical Control System for motor control (ECS)

190

RCS-9700 N RCS-9700  Ne etwork Control System for power plant (NCS)

191

RCS-9400 G RCS-9400  Ge enerator Excitation System

192

WIDE AREA PROTECTION & CONTROL SYSTEM

194

RCS-992/RCS-990 W RCS-992/RCS-990  Wiide Area Protection and Control System

194

RCS-993 O RCS-993  Ou ut-of-Step Relay

196

RCS-994 F RCS-994  Frrequency & Voltage Relay

200

SCADA/EMS SYSTEMS FOR DISPATCHING CENTER RCS-9001 E RCS-9001  En nergy Management System/SCADA

HVDC CONTROL AND PROTECTION PCS-9500 H PCS-9500  HV VDC Control and Protection System

COMMUNICATIONS

204 205

206 206

208

MUX-2M, MUX-64  MUX-64  Interface Unit

208

LFX-912 P LFX-912  Po ower Line Carrier Transceiver

210

ACCESSORIES

212

CJX/CZX-12R/CZX-22R I CJX/CZX-12R/CZX-22R  In nterposing Relay Set

212

RCS-9662 A RCS-9662  Au uxiliary Relay Set

214

RCS-PC APPLICATION SOFTWARE KIT

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215

 

6 Helped by the high reliability and excellent operation performance of our products, NR has been developing rapidly and has become the largest research and manufacturing-based enterprise of digital relaying protection, control and monitoring system in China. NR has gained abundant experiences by providing protection and automation system for over 400 substations of 500KV voltage level, more than 3000 substations of 220KV voltage level and over 6000 substations of 110KV voltage level.  As indicated in "The Worldwide Study St udy of the Protective Relays Marketplace in Electric Utilities: 2006-2008" conducted by The Newton-Evans Research Co. (www.newton-evans.com, Ellicott City,Maryland,U.S.), City,Mar yland,U.S.), NR, together with ABB, Areva T&D,SEL and

Siemens, are the top ve digital relay manufacturers in the world and this stated that NR is the market share leader in China.

COMPANY  

PROFILE    e    l     f    o    r    P    y    n    a    p    m    o     C

Nanjing Nari-Relays Electric Co., Ltd. (NR) is an employeeown company, and has been a protection and automation manufacturer and solution provider for 20 years. NR is one of the leading manufacturers in the world on the research and manufacturing of complete secondary equipment, including numerical protection, automation and control systems for both HVAC and HVDC Power Systems. With self-researched innovative and patented technologies, such as DPFC method and power swing blocking method, our digital protective relays has helped to find faults quickly and cleared during the development of 220kV to 500KV transmission systems in China and other countries. Information on current and voltage measurement, protection, control, metering and monitoring in our digital relays can greatly help power utility companies to measure power status and improve power quality accurately.

NR has grown steadily since its start and has built a good reputation for robust hardware and well-designed software in our protective relays and systematic solutions. NR can undertake turnkey engineering projects for secondary system of substation and power plant. Furthermore, we are dedicated to provide high-quality and complete solutions for secondary system to our customers, incorporating protection, automation system, HVDC system, offering devices for metering system, design, installation, panel test and after sale service. Additionally, NR offers customized system solutions according to actual on-site conditions in order to satisfy customers’ requirements. requirements. Our products have completely met the customer requirements and specifications. We sell our products directly to the end users through a well-developed sales network in the national market and through sales contractors and representatives in the international market.

We have set up a technical architecture formed by a complete family of our product lines with unique patents and technologies. We have become an engineering-driven company committed to serving electric power utility and industrial customers worldwide. Benefited by the wide use of our products and an extremely high correct operation rate of our numerical relays, the Chinese power system stability level is largely heightened. The probability of mal-operation under a fault or normal service

condition in the Chinese power systems has been signicantly reduced.

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7

Complete Set of HVAC and HVDC Solution Supplier 

Customized Logic

 As a leading digital digit al relay manufacturer, NR provides complete set of HVAC and HVDC solutions for power industry. With professional research team and powerful experiment labs (RTDS, Dynamic Simulation Lab and Static Simulation Lab), our company are dedicated to offer customized solutions to ensure long-termed safety operation of power system.

Advantages of PCB Board NR’s products adopt standardized modular design which makes maintance and updating much more eaiser. Each relay is composed of “Plug and Play” PCB boards which has high compatibility. With these advantages, time for on-site maintenance and components replacement is reduced sharply. In addition, since several slots are reserved at rear side of

devices, it is exible to expand modules after the device is put into service. Therefore, it efficiently shortens and simplifies updating processes.

Our customized logic mainly aims at meeting customers’ requirments on application. NR can provide programmable logic control for each device; however, we recommend customized fixed logics for different projects to our customers with more accurate and complete functions. The R&D teams are continuously researching and developing customized logics based on deep communications with customers and thorough understanding of each projects. Less settings, less mal-operations, and easy for management, with all these advantages, NR’s customized fixed logics will provides safe, reliable and complete protections for power industry worldwide.

Innovative Hardware Design & Unique The innovative hardware design and unique technologies technologies make protection faster, safer and more reliable. All high voltage protective relays adopt duplicated CPU configuration to decrease mal-operation. The self-developed DPFC element

exactly reects the essence of a fault and it is independent from the power system operation mode and other factors. The higher

correct operation rate and operation speed have been veried for more than 10 years.

Successful Application of IEC 61850 Through years’ research, NR’s protective relays and automation system provide complete embedded support or protocol converter for IEC61850 across all protection applications, and have passed the IEC 61850 conformance test and obtained

level A certication issued by KEMA. NR’s protective relays use GOOSE communications to provide reliable integration to over twenty(20) IEC61850 substations worldwide.

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8

PRODUCT  LINE

   E    N    I    L    T     C    U    D     O    R    P

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NR is a “system-solution provider” type company. We can customize a solution to meet the user’ s requirement with new specification development and products that implement the solution. When we can’t find an existing product or solution to meet the customer’s requirement, we work on developing new solutions or modifying existing products to ensure we meet that the customer’s requirement always ensuring we are at the forefront of and technology. We are dedicated to finding solutions to any problem our customers might have and develop solutions our

customer could benet from.

SOLUTIONS for Substation Protection Solutions

The integrated design practice in the RCS-9700 considerably reduces the cost of multiple stand-along devices. Direct

NR provides innovative protection solutions for power substation

connection between bay-level devices and dual Ethernet

with state-of-the-art numerical relays, software and services.

networks enhances reliability of the substation automation

Our solutions cover all protective relays and their panels in

system.

substation for the voltage level from 10kV to 1000kV, including transformer protection, transmission line protection, busbar

NR’s substation automation system is fully compatible with

protection, shunt reactor protection, circuit breaker protection,

IEC 61850 standard, and has been used in more than 20

feeder protection and capacitor protection.

substations and put into service successfully. NR has passed the IEC 61850 conformance test and obtained the level A

 All th ese num eri cal pro te cti ons fro m NR are bas ed on an

certication issued by KEMA (www.kema.com). (www.kema.com).

advanced modular hardware platform. The relay provides special measurements to prevent any undesired trip. The relay

The IEC 61850 standard is the result of years of work by

has two independent data acquisition paths, one for a fault

electric utilities and vendors of electronic equipment to

detector and the other for protection and its logic. Tripping outputs are supervised by the fault detector to prevent a mal-

produce standardized communications systems. It provides an internationally recognized method targeted for interoperability

operation caused by any component failure in the relay. The

between IED from different venders. With the open architecture,

universal modules can be replaced conveniently and the cost of

it supports functions allocation freely. IEC 61850 has built-

the maintenance will be reduced.

in capability for high-speed control and data sharing over the network, eliminating most dedicated control wiring as well as dedicated communications channels between substations. It is also easy to follow the future communication technology,

Automation Solutions

which should save the long-term upgrade investment for the

RCS-9700 is an innovative automation solution for substations,

customer.

generations and industrials with many advanced technologies and patents. It integrates the application of protection,

NR protection relays, bay control units and substation

control, Ethernet, IT and communication technology based

automation systems are completely compatible with IEC

on the international standard. The system adopts the layered

61850. We also provide solutions that allow the migration from

distributed architecture with bay-oriented and object-oriented structure, which is more reliable and easy to extend and

the conventional substation automation system to the new standard.

maintain.

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Relevant Products : Line Distance Relay: RCS-902, RCS-941 and RCS-951 Line Current Differential Relay: RCS-931, RCS-943 and RCS-953 Line Directional Comparison Relay: RCS-901 Transformer Protection: RCS-978 Busbar Protection: RCS-915 Distribution Protection and Control: RCS-9600 series  Automation System Complied with IEC 61850 and IEC 60870-5-103

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11

Solutions

for Power Plant Generator and Generator-Transformer  Unit Protection Solutions The RCS-985 is a kind of integrated main and backup protection designed for generator-transformer generator-transformer unit protection which can be applied to generatortransformer unit with capacity up to 1000MW. It provides comprehensive electrical protections for generatortransformer units, generators, main transformers, auxiliary transformers, excitation transformers and exciters. The RCS-985 adopts innovative patented technologies intended for application on stator inter-turn fault protection, stator ground protection, rotor ground protection and loss of excitation protection. The RCS-985 generator protection can be applied to small generators as well as sophisticated large generator systems. All the functions are optional which can be decided by customers according to their demands.

Protection, Control andPower Monitoring Solutions for Auxiliary System The RCS-9600 series is an object-oriented product

designed for auxiliary power system with capacity up to 1000MW, which is available along with a wide integration of protection, measurement, monitoring and control. It adopts GPS time-synchronization which is compatible with second pulse, minute pulse and IRIG-B. The protection module in the unit is independent of other modules both in the hardware and software. Therefore, the protection that we provide no longer relies on the communication and it can keep working normally even if the communication is cut-off.

Electrical Control System (ECS) for Auxiliary Power System The RCS-9700 electrical control system is a costeffective automation system for the auxiliary electrical system with capacity up to 1000MW in a power plant. It provides high performance control and monitoring for the feeders, startup/standby transformers, auxiliary transformers and other intelligent devices. The system adopts bay-oriented and object-oriented configuration with layered distributed architecture to replace the

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traditional centralized structure, and this makes the system more reliable, easier to extend and maintain. NR’ s RCS-9700 series ECS system is fully compatible with IEC 61850 standard and it has been applied to many power plants and put into service successfully already.

functions are flexible to choose according to customers’ requirements. Additionally, a compatible excitation system can be realized by combining several PCS-9400 equipments.

Protection, Control and Monitoring for PCC and MCC

Network Control System (NCS) for Power Plant Station The RCS-9700 network control system is designed as

The PCS-9690 series, which consists of PCS-9691 relays and PCS-9692 relays, is a numerical protection

and control for PCC and MCC system from 380V to 600V (phase to phase), including protection, control, monitoring and communication. This series can be used as the protection and control for motors, feeders, bus sections and circuit breakers. The PCS-9691 is used in the power control centre of a low voltage auxiliary power system, and object-oriented conguration with layered distributed while PCS-9692 is applied to the motor control centre. The It architecture to replace the traditional centralized PCS-9690 series is more reliable and easier to maintain. It structure, and this makes the system more reliable, is exible to choose the software and the hardware of the easier to extend and maintain. NR’s RCS-9700 RCS-9700 series device based on our customers’ requirements. NCS system is fully compatible with the IEC 61850 standard and it has been used in power plants and put Distributed Control System (DCS) into service successfully already already.. for Thermal Control The PCS-9100 distributed control system provides process an automation system for the transmission substation and generator with capacity up to 1000MW in a power plant. It provides advanced automatic functionality including safety monitoring of the primary devices in the power network and the real-time monitoring of the electric parameters. The system adopts bay-oriented

control for all kinds of power plants. Based on cooperation Generator Excitation The PCS-9400 generatorSystem excitation system can with the world famous DCS manufacturer Honeywell, NR be applied to all kinds of turbine units with different integrates our own technical advantages in power plant excitation modes and generating capacity up to 1000MW. and thermal metering to form a comprehensive control  A PCS-94 P CS-9400 00 devic device e consi consists sts of a numer ical excitation excit ation platform. It adopts layered distributed architecture and system, a thyristor rectier, a diode valve rectier, a de- provides diagnosis in each branch, which enhances the excitation equipment and an auxiliary cabinet. It can system stability and reliability. So far, PCS-9100 has been provide complete control functions, incorporating power put into service in several power plants with installed system stabilizer, optimum control and adaptive control. capacity up to 600 MW. The PCS-9400 series can be customized as all these The PCS-9100 series offers integrated control solution

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incorporating following functions which is applicable to different kinds of power plants:  Data Acquisition System (DAS)  Modulating Control System (MCS)  Sequence Control System (SCS)  Furnace Safeguard Supervisory System (FSSS)  Electrical Control System (ECS)  Digital Electric-hydraulic Control System (DEH)

 Protection, Control and Monitoring for Plant Network:



RCS-9600 Series  Electrical Control System (ECS): RCS-9700  Network Control System (NCS): RCS-9700  Generator Excitation System: PCS-9400  Protection, Control and Monitoring for PCC and MCC: PCS-9690  Distributed Control System (DCS): PCS-9100  Diesel Generator Control System: PCS-9139

























Relevant Products: ●

  PCS-9120 which adopts TPS DCS platform from



Honeywell US.   PCS-9130 which adopts SIMATIC-PCS7 from Siemens Germany Germany..

Diesel Generator Control System The PCS-9139 diesel generator control system incorporates a diesel generator control system, an excitation control system, a generator synchronization closing control system and a generator protection system. The PCS-9139 mainly consists of an automation system and a circuit breaker part. The automation system is used to control the start-up and shut-down of a diesel generator as well as its auxiliary devices. This can be realized by a high-powered PLC (programmable logic controller), which makes the system reliable and easy to operate.

Relevant Products:  Generator Protection: RCS-985



Solutions

Power System Stability  Al  A l o n g w it h t h e g r o w t h o f l o a d s , t h e i n c r e a s e o f transmission distance and the composited structure of HVAC and HVDC system, the stability characteristics of modern power system are getting more complicated. NR has established unique three-defense-line to protect the

power system from blackout. It can signicantly improve the stability of the power gird.

Fault Clearing  (The rst defense line) The first defense line consists of accurate and fast protective relays to ensure the fault can be quickly cleared to ensure the system keeping the stability. NR provides reliable and high-speed protection products with innovative DPFC protection elements which can

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significantly reduce the pickup time to trip the fault. It ensures that the fault is quickly cleared before the system loses the stability. stability.

Relevant Products:  Numerical protective relays: RCS-900 series



Load Shedding and Generator Shut-Down  (The second defense line) The second defense line is emergency control for severe contingencies. If the unbalance between generation and load is arisen, the wide area protection will take some measurements, such as generator shut-down, loadshedding, to ensure the t he stability.

Out-of-step Islanding (The third defense line) The third defense line is local corrective control such as out-of-step islanding and load-shedding for extremely severe contingencies. If the second defense line can not rescue the stability, the third defense line will operated to avoid the collapse and minimize the loss of load. NR provides out-of-step protection and frequency/voltage control devices to keep the system stability if the second defense line can’t make the system to normal operating state.

Relevant Products:  Out-of-Step Protection: RCS-993



 Frequency and Voltage Control for Power Stability:



While the stability of the power system is lost after the serous fault is cleared, NR’s unique wide area protection and control system will calculate the power flow and generate corresponding control strategies. Then the control commands are sent to the executing device to take some measurements to keep the stability of the system.

Relevant Products:  On-line Wide Area Protection for Power Stability: ●

RCS-990/RCS-992  Off-line Wide Area Protection for Power Stability: RCS-990/RCS-992



RCS-994

Solutions

HVDC Control and Protection The PCS-9500 series provides complete control and protection solutions for HVDC transmission projects. With self-reliance innovative methods, NR has successfully developed the HVDC control and protection system with proprietary intellectual property rights, which includes

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new principles and technologies aimed at engineering needs. Most of technologies are at the international leading level. The PCS-9500 series is intended for application on long-distance UHVDC transmission up to ±800kV and back-to back converter station of all voltage levels. The PCS-9500 control and protection system is a complete system solution for control and protection of HVDC and FACTS. The following features are provided:  High reliability is the most important goal beside the t he function.  Overall redundancy of the system.  Independent of control and protection equipment for each 12 pulse converter unit.  Bipolar level function segregated to pole level

Solution

Industrial Electric Automation System



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equipment.  Overall duplicate protection system.

NR provides the complete set of protection and control solutions for the plant or substation of industrial enterprises such as petrochemistry, coal industry, iron and steel industry and metallurgy. A cost-effective protection and control system can significantly improve safety and stable operation for the industrial customers.



 One AC control system handle one 3/2 bay.



 Overall integrated SCADA system.



 No power loss with pole level equipment fault.



 The DC control systems are based on a hierarchical



design to achieve the highest reliability reliability..  The DC control function is divided into pole control level and bipolar control level.   All devices are duplicated.





So far, the PCS-9500 has been successfully applied to many HVDC projects including ±800kV UHVDC system which is of the highest voltage level in HVDC projects worldwide. Years’ operating practice proves that the PCS-9500 can provide high reliable control and protection for HVDC transmission.

 As an im po rt an t mo ni to ri ng fo r sa fe ty op er at io n of substation, the construction, functions, contents and configurations are extremely important for protection and control system. Generally, the system is required to apply open, distributed and layered network structure.  All protective relays and control devices are divided into several small independent units according to voltage levels or layout of primary devices. Protective relays and control devices are installed in bay rooms in each separated unit, and devices such as communication controller in master station, DC power supply and fault recorder are installed in control room. Each unit communicates with other units and control room via industrial field bus or Ethernet network. The protection and control system supports the new IEC 61850 protocol.

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Solutions

Energy Management System The RCS-9001 series SCADA/EMS system is computeraided tool used by operators in electric utilities grid to provide monitoring, control and optimization for dispatch centers. It is a new generation of energy management system intended for application on large and medium local dispatch and provincial dispatch. The RCS-9001 series adopts innovative distributed network technology, object-oriented database technology and the latest international standard, to provide unified software platform for dispatch automation system and distribution automation system based on IEC 61970 protocol. prot ocol.

The RCS-9001 dispatch automation system consists of unified support application platform ASP and complete series of electric power system applications which is designed based on this platform. It provides complete series of power system applications to reinforce and improve power system manufacture and management. Its modularized functions can be easily added or removed to satisfy the demands of customers. In addition, the

RCS-9001 is exible to expand which makes upgrading more easily and stably stably..

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Solutions

New Digital Substation    s    n    o     i    t    u    l    o     S

New digital substation is a modernized substation which is composed of intelligent primary devices (digital CT/PT and intelligent circuit breaker or GIS) and networked secondary devices based on lay-oriented structure, to realize information-sharing and interoperability between each intelligent device. Compared with the traditional substation, the digital CT/PT, intelligent primary devices,

merging unit and optical ber connection are adopted to replace the electric CT/PT, CT/PT, traditional primary devices and electric cables between primary devices and secondary devices.

Presently, NR offers the complete solution and all kinds of the intelligent devices applied in new digital substation including digital CT/PT, intelligent circuit breaker/GIS and complete sets of secondary devices based on IEC 61850 protocol. The PCS-9250 series digital CT/PT of voltage level ranged from 35 KV to 500KV, PCS-220 series merging units, PCS-9820 series intelligent control devices for circuit breaker, PCS-222 series intelligent interposing relays and PCS-900 HV digital protective relays have been successfully put into service in many complete digital substations in China.

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ENGINEERING SERVICE & TRAINING NR continues to enhance our services for our customers by expanding our engineered systems and training service. We are uniquely positioned to quantify these services and go even further by developing and implementing solutions based on the broad range of technologies available and developed by us. This along with our qualified engineers and on-site system services, allows us to provide our customers with solutions that provide better quality, higher productivity

and increased prots.

Engineering Service We offer the comprehensive service packages including:   Turnkey project design of complete secondary equipment for electric power system   Panel design and relay settings of the relaying protection for transmission lines, bus-bars, generators, transformers, and distribution feeders   System configuration and communication for substation automation system  System configuration and communication for power plant automation system  System planning, stability calculation and engineering service of wide area protection and control system for power system stability  Engineering service of Energy Management System   Panel and systematic design of static excitation system for a large generator   Dynamic simulation test for various power projects. ●



Training NR provides a comprehensive training program for its customers. The training is a combination of tutoring, factory training and "on-the-job" training. This is to

guarantee the sufcient competence level for each task. We also ensure that our service representatives are available always to train and assist our customers for special trouble shooting and application problems. We are committed to providing premier training solutions.  A variet v ariety y of packages packag es are availab available le for our custo customers. mers. These training packages range from those conducted at the factory on a specific breaker to those programs

offered at the customer’s site for a specic job or general training requirement. Our standard courses typically cover general theory, application, assembly, installation, commissioning, operation, testing, maintenance and trouble shooting.













 Factory Training Training - we offer application and hands-on training programs in our factories and training centers for



all products in production, including lab test and eld test. ●

  Customer Site Training  Training   - this can be carried

out during the installation and commissioning of the Equipment or during maintenance intervals for older equipment.  Customized Training-  we will work with you to dene a suitable scope with match with your installation and needs.



Read more on the web

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   E     C    I    V    R    E     S     G    N    I    R    E    E    N    I     G    N    E

    G    N    I    N    I    A    R    T     G    N    I    R    E    E    N    I     G    N    E

 

20

PROTECTION & CONTROL Transmission Line Protection Transmission Line Protection Applications How our products provide reliable, fast and accurate protection through our patented techniques are described in this section. Technical Technical data of different devices are provided in the end of each relaying description.

Function Index  Transmission Transm ission Line Protection Function

Functional Code

R  C   S   9   0  1  A

R  C   S   9   0  1  B

R  C   S   9   0  1  D

R  C   S   9   0  2  A

R  C   S   9   0  2  B

R  C   S   9   0  2   C 

R  C   S   9   0  2  D

R  C   S   9   3  1  A

R  C   S   9   3  1  B

R  C   S   9   3  1  D

R R R R R  C   C   C   C   C   S   S   S   S   S   9   9   9   9   9  2  2   3  2  2  2  4  1  2  4  B B A E  A





  √ √

√ √

√ √

√ √

    √ √ √ √ √ √

√ √ √ √ √ √

√ √ √ √ √ √

√ √ √ √ √ √

√ √ √ √ √

√ √ √ √ √

√ √ √ √ √

√ √

√ √

√ √ √ √ √ √ √ √

Pilot DPFC directional comparison protection

85



Pilot distance protection

85

 

Pilo Pilott ze zero ro se sequ quen ence ce di dire rect ctio iona nall co comp mpar aris ison on pr prot otec ecti tion on

85



Phase current differential protection

87PL

 

Zero sequence current differential protection

87GL

 

DPFC current differential protection

87DL

 

DPFC distance protection

21D

Phase-to-phase distance protection

21P

Phase-to-ground distance protection

21G

√ √ √

√ √ √

√ √ √

√ √ √

√ √ √

√ √ √

√ √ √

√ √ 67G √ 50G, 51G √ √

√ √ √ √ √

√ √ √ √ √

√ √ √ √ √

√ √ √ √ √

√ √

√ √ √ √ √ √ √ √

√ √

√ √

√ √

√ √ √ √ √ √ √ √

Phase directional overcurrent protection Phase overcurrent protection Zero sequence directional overcurrent protection Zero sequence overcurrent protection

Denite time characteristic of overcurrent element

67P 50P, 51P



Inverse time characteristic of overcurrent element Overcurrent protection during VT failure

51P VT

Zero sequence overcurrent during VT failure

51G VT

√ √

Energizing protection

50E

 

Overvoltage element

59

Undervlotage element

27

VT failure detection logic

√ √ √ √ √ √ √ √ √ √ √ √

Suitable for double circuit lines

 

Suitable for series compensated lines

 

Suitable for weak infeed condition

√ √ √ √

√ √ √ √

√ √ √

√ √ √

Switch-on-to-fault (SOFT) logic Pole discrepancy detection element Overload element Fault Locator  Synchronism check  Auto-reclosing

25 79

Power swing blocking

68

Remote tripping

RT

CT failure detection logic

Line voltage failure supervision Circuit breaker monitoring Operating circuit supervision GPS clock synchronization Fault Recorder  IEC 61850 and IEC 60870-5-103 protocol

Read more on the web

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√ √ √ √ √ √ √ √ √ √



√ √ √ √ √ √ √ √ √ √

√ √ √ √ √ √ √ √ √ √ √ √

√ √ √ √ √ √ √ √ √ √

√ √ √ √

√ √ √ √ √

√ √ √ √ √

√ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √

√ √ √

√ √ √

√ √ √

√ √ √

√ √ √ √ √ √ √ √ √ √   √ √ √ √ √

√ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √

√ √ √

√ √ √

R  C   S   9  2   5  A



 





 







  √

√ √

√ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √

√ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √

√ √ √ √ √ √ √ √ √ √ √   √ √ √ √

√                     √   √ √ √      

√ √ √

√ √ √

√ √ √

√ √ √







√ √ √

√ √ √

√ √ √

√   √ √ √ √

√ √ √

√ √ √

√ √ √

√ √ √

 

21

Sub-Transmission Sub-T ransmission Line Protection

Functional Code

 Function

R R R R R  C   C   C   C   C   S   S   S   S   S   9   9   9   9   9  4  4  4  4  4  1  1  2   3  1  B A A Y  A

R  C   S   9  4   3  T 

R  C   S   9  4   3  L 





√ √

Pilot distance protection

85

 



Pilot zero sequence directional comparison protection

85

 



Phase current differential protection

87PL

 

Zero sequence current differential protection

87Gl

 

Phase-to-phase distance protection

21P







√ √

√ √

Phase-to-ground distance protection

21G











Phase directional overcurrent protection

67P

 







50P, 51P

 







67G















50G, 51G















Overcurrent protection during VT failure

51P VT















Zero sequence overcurrent during VT failure

51G VT















Overvoltage element

59





Undervoltage element

27





Underfrequency protection

81











Voltage rate-of-change element

7V

Frequency rate-of-change element

7F

√ √







√ √

Switch-on-to-fault (SOFT) logic

 















Overload element

 















Fault Locator 

 















Synchronism check

25















79















Power swing blocking

68













Remote tripping

RT

 







CT failure detection logic

 















VT failure detection logic

 















Suitable for double circuit lines

 















 

√ √

√ √

√ √



 Accelerated tripping during during unsymmetrical faults

√ √

√ √

√ √

 Accelerated tripping during during double circuit line faults faults

 









Line voltage failure supervision

 















Circuit breaker monitoring

 















Operating circuit supervision

 















GPS clock synchronization

 















Fault Recorder 

 















IEC 61850 and IEC 60870-5-103 protocol

 















Phase overcurrent protection Zero sequence directional overcurrent protection Zero sequence overcurrent protection

 Auto-reclosing

Suitable for weak infeed condition

Read more on the web

 www.nari-relays.com  www.nari-r elays.com



 

22

RCS-901 Line Directional Relay

Application

Functional Block Diagram

The RCS-901 relay is a pilot directional protection with stepped distance elements and overcurrent elements used as the main and backup protection for transmission lines with single-pole trip, three-pole trip and auto-reclosing. The relay can be used    l    o    r    t    n    o     C     &    n    o     i    t    c    e    t    o    r    P

   n    o     i    t    c    e    t    o    r    P    e    n     i    L    n    o     i    s    s     i    m    s    n    a    r    T

to protect the overhead lines and underground cables of all voltage levels, including series compensated lines, doublecircuit lines, weak infeed (WI), short lines, extremely long lines, three-terminal lines. It fully supports IEC 61850 communication protocol.

Functions Variation riation  Pilot DPFC (Deviation Power Frequency Va

 Power swing blocking (68)





Component) directional comparison line protection. (85)

 Fault detection element under Pole discrepancy condition



 Pilot zero sequence directional comparison protection. (85)



 DPFC distance protection. (21D)



 Phase-to-phase distance protection. (21P)



 Phase-to-ground distance protection. (21G)



 Phase directional overcurrent protection. (67P)





 Overload alarm function.  Synchronism check. (25)



(single-pole and three-po three-pole). le). (79)   Auto-reclosing (single-pole



 Voltage and current drift auto adjustment.



 Self diagnostic test.



 Phase overcurrent protection. (50/51P)



 Zero sequence directional overcurrent protection. (67G)



 Zero sequence overcurrent protection. (50/51G)



Monitoring and Metering

 Under/Over voltage element for blocking (27/59)

 CT failure detection supervision.





 Time overcurrent protection during VT failure. (51P VT)  Time zero sequence protection during VT failure. (51G VT)





 Switch-onto-fault (SOTF) logic.



 VT failure detection supervision.



 Line voltage failure supervision.



 Operating circuit supervision.



Read more on the web

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23  Fault Recorder.

which is insensitive to system unbalance and disturbance.

 Fault Locator.

The measuring element can get both high security and high





 64 tripping reports, 64 alarm reports and 64 binary input

speed simultaneously.



 The built-in reliable power swing blocking logic can properly

status change reports. ●



  High resolution oscillography of last 24 oscillograms.

supervise the distance elements during a power swing. The power swing blocking logic can make the relay untrip for an

(Compatible with COMTRADE format)

external fault during a power swing and pickup for an internal fault.  The relay is insensitive to the power source change and can

  Communications  Pilot





communication schemes (PUTT, POTT, WI) with ber,

carrier or other channels.

be applied to weak infeed condition.



 2 optional Ethernet ports with IEC 61850 or IEC 60870-5-103

provided of zero sequence overcurrent protection.



over TCP/IP ●



  2 RS-485 communication rear ports conform to IEC

 The relay can receive and transmit the remote tripping

commands from and to the opposite terminal via channel.  The relay can select the faulty phase and make a phase trip

60870-5-103 protocol



 1 RS-485 communication rear ports for clock synchronization

correctly,, even for a high resistance fault. correctly



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





  Definite time and inverse time characteristics are both

 Innovative technology to prevent any undesired trip caused



  1 RS-232 communication faceplate port for testing and

by any component failure is adopted. The relay has two

setting

independent data acquisition paths, one for a fault detector

 GPS clock.

and the other for protection and its logic. Tripping outputs are



supervised by the fault detector to prevent a mal-operation. ●

  The connector type can be selected as connectorized

wiring connector and crimp terminal connector. The unique

  Features  The typical operating time is 10 ms for a close-in fault, 15 ms

connectorized wiring connectors from the relay rear panel to the terminal blocks on the rack or cabinet makes the on-site

for a fault in the middle of the line, 25 ms for f or a remote fault.

commissioning and replacement much easier than when you

 The protection principles of DPFC directional comparison

do the commissioning using the traditional screw terminals





element and DPFC distance element are applied in the relay.

It can signicantly reduce the pickup time and clear the fault

on the rear panel.  The relay provides GPS clock synchronization, including



fast. The DPFC directional pilot scheme is sensitive which makes the system reliable. The system adopting this pilot

 The relay is compatible with multiple protocols- IEC61850

scheme is not affected by series compensated capacitors

and IEC 60870-5-103. The RCS-901 provides networking

and doesn’t need a power swing blocking logic.

interface such as RS485, RS232 and Ethernet port.

 The



second pulse, minute pulse, and IRIG-B synchronization. ●

patented adaptive oating threshold method is adopted,

   1     0     9       S     C    R

Technical data Atmospheric Environment: Standard Service temperature range Transport and storage temperature range Permissible humidity

IEC60255-6:1988 -25æ    ~ +55 +55  æ -40æ ~ +70 +70æ æ 5% ~ 95%, condensation not permissible

Power Supply: Rated Voltage (Un)

24Vd,110Vdc,125Vdc,220Vdc,250Vdc

Variation Ripple in the DC auxiliary voltage

(80% ~ 120%)Un Max 15% of the DC value. Per IEC 60255-11 Per IEC 61000-4-11£ 61000-4-11£ IEC 60255-11:1979 60255-11:1979 20ms for interruption without de-energizing£ dips 60% of Un

Voltage dips and voltage short interruptions Backup battery type

without reset up to 100ms ML2032, 3V, 65mAh

Read more on the web

 www.nari-relays.com  www.nari-r elays.com

   y    a    l    e    R    l    a    n    o     i    t    c    e    r     i    D    e    n     i    L

 

24

AC Current Inputs: Rated frequency Phase rotation Rated Current (In)

50Hz, 60Hz, ±10% ABC 1A continuously for 10s for 1s for half a cycle
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