ABB REL 352 Manuel utilisateur

ABB Network Partner

Power Automation and Protection Division

4300 Coral Ridge Drive

Coral Springs, Florida 33065

October 1996 Instruction Manual

40-201.9

NUMERICAL PHASE COMPARISON

TRANSMISSION LINE PROTECTION SYSTEM

REL 352

Version 1.00

Power Automation and Protection Division i REL 352 Version 1.00

It is recommended that the user of REL 352 equipment become acquainted with the information in this instruc-

tion leaflet before energizing the system. Failure to do so may result in injury to personnel or damage to the

equipment, and may affect the equipment warranty. If the REL 352 relay system is mounted in a cabinet, the

cabinet must be bolted to the floor, or otherwise secured before REL 352 installation, to prevent the system from

tipping over.

All integrated circuits used on the modules are sensitive to and can be damaged by the discharge of static elec-

tricity. Electrostatic discharge precautions should be observed when handling modules or individual

components.

ABB does not assume liability arising out of the application or use of any product or circuit described herein.

ABB reserves the right to make changes to any products herein to improve reliability, function or design. Spec-

ifications and information herein are subject to change without notice. All possible contingencies which may

arise during installation, operation, or maintenance, and all details and variations of this equipment do not pur-

port to be covered by these instructions. If further information is desired by purchaser regarding a particular in-

stallation, operation or maintenance of equipment, the local ABB representative should be contacted.

ABB Power T&D Company Inc.

Published 1996

ABB does not convey any license under its patent rights nor the rights of others.

!ATTENTION

Trademarks

All terms mentioned in this book that are known to be trademarks or service marks are listed below. In addition,

terms suspected of being trademarks or service marks have been appropriately capitalized. ABB Power T&D Com-

pany Inc. cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as

affecting the validity of any trademark or service mark.

IBM and PC are registered trademarks of the International Business Machines Corporation.

WRELCOM is the registered trademark of the ABB Power T&D Company Inc.

INCOM is the registered trademark of the Westinghouse Electric Corporation

REL 352 Version 1.00 ii Power Automation and Protection Division

Equipment Identification

The REL 352 equipment is identified by the Catalog Number on the REL 352 chassis nameplate. The Catalog

Number can be decoded by using Catalog Number (

see Section 3, pg. 3-26

Production Changes

When engineering and production changes are made to the REL 352 equipment, a revision notation (Sub #) is

reflected on the appropriate schematic diagram, and associated parts information.

Equipment Repair

Repair work is done most satisfactorily at the factory. When returning equipment, carefully pack modules and

other units, etc. All equipment should be returned in the original packing containers if possible. Any damage due

to improperly packed items will be charged to the customer.

Document Overview

Section 1 provides the Product Description. Section 2 provides Specifications and External Connections. Sec-

tion 3 presents applications with related Catalog Numbers for ordering purposes. Installation, Operation and

Maintenance are described in Section 4, with related Setting Calculations in Section 5. Appendices A thru H

include related module circuit descriptions. Acceptance Tests are described in Appendix I. Computer Commu-

nications are described in Appendix J, Application Notes in Appendix K, and Systems Diagrams are included in

Appendix L.

Contents of Relay System

The REL 352 Relay System includes the style numbers, listed below, for each module.

Module Style

• Backplane - - - - - - - - - - - 1611C26 • Microprocessor - - - - - - 1611C22

(Sub-Backplane Xfmr) - - - - - 1502B38 • Display - - - - - - - - - - 1498B40

• Interconnect - - - - - - - - - - 1618C45 • Power Supply - - - - - - -1611C24

• Relay Output - - - - - - - - - - 1611C27 • Analog Input- - - - - - - -1611C23

• Optoisolated Input - - - - - - - 1618C38

Power Automation and Protection Division iii REL 352 Version 1.00

TABLE

CONTENTS

PRODUCT DESCRIPTION 1➧

SPECIFICATIONS 2➧

APPLICATIONS & ORDERING

INFORMATION 3➧

INSTALLATION, OPERATION &

MAINTENANCE 4➧

SETTING CALCULATIONS 5➧

BACKPLANE MODULE A➧

INTERCONNECT MODULE B➧

RELAY OUTPUT MODULE C➧

OPTOISOLATED INPUT MODULE D➧

MICROPROCESSOR MODULE E➧

DISLAY MODULE F➧

POWER SUPPLY MODULE G➧

ANALOG INPUT MODULE H➧

ACCEPTANCE TESTS I➧

COMPUTER COMMUNICATIONS J➧

APPLICATION NOTES K➧

SYSTEM DIAGRAMS L➧

*Star next to section title indicates changes made within chapter since last issue

REL 352 Version 1.00 iv Power Automation and Protection Division

List of Figures

Figure No. Page No.

1-1 REL 352 Front Panel (photo) - - - - - - - - - - - - - - - - - - - - - - - - - 1-6

1-1a REL 352 56/64 kbps Digital Communication Direct Digital Interface (rear view) - 1-7

1-2 Layout of REL 352 Modules Within Inner And Outer Chassis - - - - - - - - - - 1-8

1-3 INCOM/PONI Communication Interface Device (photo)- - - - - - - - - - - - 1-9

1-4 Block Diagram of REL 352 Relay- - - - - - - - - - - - - - - - - - - - - - - -1-10

2-1 REL 352 Outline Drawing - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-4

3-1 REL 352 Phase Comparison, Fault Recognition- - - - - - - - - - - - - - - - -3-10

3-2 REL 352 Symmetrical Component Filter - - - - - - - - - - - - - - - - - - - -3-11

3-3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3-11

3-4 Internal Fault- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3-12

3-5 External Fault - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3-13

3-6 Phase Comparison Logic- - - - - - - - - - - - - - - - - - - - - - - - - - - -3-14

3-7 Pilot Trip Logic - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3-15

3-8 Fault Detector - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3-16

3-9 Change Detector- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3-16

3-10 Mho Characteristics for Single Phase-to-ground Fault Detection- - - - - - - - -3-17

3-11 Mho Characteristics for Three-Phase Fault Detection - - - - - - - - - - - - - -3-18

3-12 Mho Characteristics for Phase-to-phase Fault Detection- - - - - - - - - - - - -3-19

3-13 Loss of Potential Block Logic - - - - - - - - - - - - - - - - - - - - - - - - - -3-20

3-14 Zone 2 And Zone 3 Back-up System - - - - - - - - - - - - - - - - - - - - - -3-21

3-15 Optional Directional Overcurrent Units - - - - - - - - - - - - - - - - - - - - -3-22

3-16 Blinders For The Out-of-step Logic - - - - - - - - - - - - - - - - - - - - - - -3-23

3-17 OST And OSB Logic Diagram - - - - - - - - - - - - - - - - - - - - - - - - -3-24

4-1 REL 352 Backplate- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -4-12

A-1 REL 352 Backplane Module Component Location Diagram - - - - - - - - - - - A-2

A-2 REL 352 Backplane/transformer Module PC Board - - - - - - - - - - - - - - - A-3

A-3 REL 352 Backplane/transformer Module Schematic- - - - - - - - - - - - - - - A-4

B-1 REL 352 Interconnect Module Component Location Diagram - - - - - - - - - - B-2

B-2 REL 352 Interconnect Module Schematic- - - - - - - - - - - - - - - - - - - - B-3

C-1 REL 352 Relay Output Module Component Location Diagram- - - - - - - - - - C-2

C-2 REL 352 Relay Output Module Schematic (Sheet 1 of 3) - - - - - - - - - - - C-3

C-2 REL 352 Relay Output Module Schematic (Sheet 2 of 3) - - - - - - - - - - - C-4

C-2 REL 352 Relay Output Module Schematic (Sheet 3 of 3) - - - - - - - - - - - C-5

D-1 REL 352 Optoisolated Input Module Component Location Diagram - - - - - - - D-2

D-2 REL 352 Optoisolated Input Module Schematic (sheet 1 of 2) - - - - - - - - - - D-3

D-2 REL 352 Optoisolated Input Module Schematic (sheet 2 of 3) - - - - - - - - - - D-4

Power Automation and Protection Division v REL 352 Version 1.00

E-1 Microprocessor Module Block Diagram - - - - - - - - - - - - - - - - - - - - - E-3

E-2 REL 352 Processor 1 Memory Map- - - - - - - - - - - - - - - - - - - - - - - E-4

E-3 REL 352 Processor 2 Memory Map- - - - - - - - - - - - - - - - - - - - - - - E-4

E-4 REL 352 Microprocessor Module Component Location Diagram- - - - - - - - - E-5

E-5 REL 352 Microprocessor Module Schematic - - - - - - - - - - - - - - - - - - E-6

E-5 REL 352 Microprocessor Module Schematic - - - - - - - - - - - - - - - - - - E-7

E-5 REL 352 Microprocessor Module Schematic - - - - - - - - - - - - - - - - - - E-8

E-5 REL 352 Microprocessor Module Schematic - - - - - - - - - - - - - - - - - - E-9

E-5 REL 352 Microprocessor Module Schematic - - - - - - - - - - - - - - - - - E-10

E-5 REL 352 Microprocessor Module Schematic - - - - - - - - - - - - - - - - - E-11

E-5 REL 352 Microprocessor Module Schematic - - - - - - - - - - - - - - - - - E-12

F-1 REL 352 Display Module Component Location Diagram- - - - - - - - - - - - - F-2

F-2 REL 352 Display Module Schematic - - - - - - - - - - - - - - - - - - - - - - F-3

G-1 REL 352 Power Supply PC Board - - - - - - - - - - - - - - - - - - - - - - - G-3

G-2 REL 352 Power Supply Schematic (See inside back cover) - - - - - - - - - - - G-4

H-1 REL 352 Analog Input Module Block Diagram- - - - - - - - - - - - - - - - - - H-2

H-2 REL 352 Analog Input Module Component Location Diagram - - - - - - - - - - H-3

H-3 REL 352 Analog Input Module Schematic- - - - - - - - - - - - - - - - - - - - H-4

H-3 REL 352 Analog Input Module Schematic- - - - - - - - - - - - - - - - - - - - H-5

H-3 REL 352 Analog Input Module Schematic- - - - - - - - - - - - - - - - - - - - H-6

H-3 REL 352 Analog Input Module Schematic- - - - - - - - - - - - - - - - - - - - H-7

K-1 REL 352 / TCF-10B Intercorrecting Diagram - - - - - - - - - - - - - - - - - - K-1

K-2 Signal Polarity - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - K-2

K-3 Square Wave Duration 60 Hz- - - - - - - - - - - - - - - - - - - - - - - - - - K-4

K-4 Square Wave Duration 50 Hz- - - - - - - - - - - - - - - - - - - - - - - - - - K-5

L-1 REL 352 Block Diagram - - - - - - - - - - - - - - - - - - - - - - - - - - - - L-2

L-2 REL 352 Logic Diagram (sheet 1 of 3) - - - - - - - - - - - - - - - - - - - - - L-3

L-2 REL 352 Logic Diagram (sheet 2 of 3) - - - - - - - - - - - - - - - - - - - - - L-4

L-2 REL 352 Logic Diagram (sheet 3 of 3) - - - - - - - - - - - - - - - - - - - - - L-5

L-3 REL 352 Backup System Logic Diagram - - - - - - - - - - - - - - - - - - - - L-6

List of Figures (continued)

Figure No. Page No.

Power Automation and Protection Division I.L. 40-201.9

REL 352 Version 1.00 1-1

1. INTRODUCTION

The REL 352 relay assembly (

see Figure 1-1

) is a numerical (

fully digita

l) phase comparison

transmission line protection system, with optional distance back-up protection.

2. REL 352 CONSTRUCTION

The standard nomenclature for ABB relay protection equipment is as follows:

• Cabinet – contains fixed-racks, swing-racks, or open racks

• Rack – contains one or more chassis (e.g., the REL 352)

• Chassis – contains several modules (e.g., Microprocessor or Power Supply)

• Module – contains a number of functional circuits (on printed circuit board)

• Circuit – a complete function on a printed circuit board (e.g., analog-to-digital conversion)

• The REL 352 relay assembly consists of an outer-chassis and an inner-chassis which slides

into the outer-chassis. The REL 352 conforms to the following dimensions and weight (

also

see Section 2, subsection 6

• Height 7" (requires 4 rack units @ 1.75" each); 177 mm

• Width 19"; 483 mm

• Depth 13.6"; 345 mm

• Weight 38 Lbs; 17.5 kg

All of the relay circuitry, with the exception of the input isolation transformers and first-line surge

protection, are mounted on the inner chassis, to which the front panel is attached. The outer

chassis has a backplate, which is a receptacle for all external connections, including Digital

Communication Interface. Two optional FT-14 switches are mounted in the two peripheral ar-

eas of the outer chassis (

see Figure 4-1, pg. 4-12

). The FT-14 switches permit convenient and

safe disconnection of trip, ac and dc input circuits, and provide for injection of test signals.

3. REL 352 MODULES

The inner and outer chassis, together, contain standard modules, plus the optional relay output

for extended contact output applications (

see Figure 1-2, pg. 1-8

). The Backplane module is con-

nected to the backplate (outer chassis). The remaining modules are attached to the inner chas-

sis:

• Interconnect Module

• Relay Output Module

• Optoisolated Input Module

• Microprocessor Module

• Display Module

• Power Supply Module

• Analog Input Module

Section 1. PRODUCT DESCRIPTION

I.L. 40-201.9 Power Automation and Protection Division

1-2 REL 352 Version 1.00

Circuit descriptions for each module, may be found in Appendices A thru H, in accordance with

the list in the Preface to this document (

see “Contents of Relay System”

1.1 Backplane Module

The Backplane Assembly includes three voltage transformers, three current transformers, four

filter chokes and surge protection capacitors.

The Backplane Module

(see Appendix A)

receives all external connections and connects directly

to the Interconnect module, thru plug-in connectors (J11, J12, J13); and to the Relay Output

and Optoisolated Input modules, mounted on the Interconnect module (via connectors JA1,

JA2, JA3, JA4), which provide the connections between the inner and outer chassis.

The INCOM/PONI®1

(see Figure 1-3

) is mounted on the Backplate of the outer chassis and is

connected to the Backplane module (via connector J4).

1.2 Interconnect Module

The Interconnect module (

see Appendix B

) becomes the floor of the REL 352 inner chassis; it

provides electrical connections from and to all other modules: from the Backplane (at the rear),

to the Analog Input and Power Supply modules (at left and right, respectively), to the Relay Out-

put and Optoisolated Input modules in the center, and to the Microprocessor and Display mod-

ules at the front of the inner chassis.

The Interconnect module receives inputs VAG, VBG, VCG, IA, IB, ICfrom the Backplane module

and feeds them to the Analog Input module.

This module also contains the optoisolated transistor output for control of external communica-

tion equipment transmitter such as Power Line Carrier or Audio Tone.

1.3 Relay Output Module

There are three versions of this module (they are installed on the Interconnect module):

• Option

• Base 1

• Base 2 (

See Appendix C for contact output functions

)

The Option version is used for Extended Contact Output requirements.

1.4 Optoisolated Input Module

This module provides an opto-isolated interface between:

• Optoisolated inputs contaminated by external noise, and

Logic level inputs to the Microprocessor module

(

See Appendix D for more details

)

• Binary inputs from PLC (Audio Tone) communication receiver such as MARK, SPACE and

CHANNEL Failure.

“INCOM”



stands for INtegrated COMmunications, a product of The Westinghouse Electric Corporation. The “PONI”

acronym stands for Product Operated Network Interface.

Power Automation and Protection Division I.L. 40-201.9

REL 352 Version 1.00 1-3

1.5 Microprocessor Module

This module contains two processor systems (connected via the Dual Port RAM), which per-

form two main functions:

• Processor 1 samples the analog inputs and provides the operator interface

• Processor 2 is the protection processor

Each processor system (P1 and P2) contains the following elements:

• Microprocessor — 16 bit microcontroller (Intel 80C196) operating at 12 MHz.

• EPROM — an ultraviolet erasable read-only memory for program

storage.

• RAM — a read-write, static, random access volatile memory for

performing data storage.

Processor 1 (P1) has access to:

• EEPROM — electrically erasable, read-write non-volatile memory for

settings and fault-data storage.

• Real-Time Clock — is accessed by Processor 1, to time-stamp the events.

1.6 Display Module

The Display module interfaces with the Processor 1 system of the Microprocessor module. The

Display module contains:

• 2 blue-vacuum fluorescent alphanumeric displays for value and function fields (each field

has 4 characters)

• 7 LEDs (with 7 corresponding keys for selection purposes) provide function interpretation

capabilities

(

See Section 4 and Appendix F for further details

)

1.7 Power Supply Module

Three different styles of power supply boards are required to accommodate the input voltage

ranges listed below. The REL 352 relay is capable of continued operation during a 200 msec

voltage dip from the dc battery input; the magnitude of this voltage dip is also shown below:

As an option this module contains two independent power supplies, with diode-auctioneered

outputs for reliability purposes; both supplies are powered from a dc battery voltage.

The switching power supply, operating at 25 kHz, generates transformer-isolated voltages as

follows:

Nominal

Battery (Vdc) Input

Range (Vdc) Voltage

Dip (Vdc)

48/60 38-70 28

110/125 88-145 73

220/250 176-280 146

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