ABB REC 561 User manual

ABB Network Partner AB

S-721 71

Västerås, Sweden

Phone +46 21 321300

Fax +46 21 146918

User’s Guide

REC 561

Bay level

control terminal

1MRK 511 009-UEN

Version 1.0-00

October 1996

1 User’s Guide contents

2 Introduction

3 Installation

4 General functions

5 Protection functions

6 Control functions

7 Monitoring functions

8 Index

9 Diagrams

How to use this manual

ABB Network Partner AB

- 1Page

Function:

1 Schematic structure of the User’s Guide

Section Document Document number Basic/Optional

1. User’s Guide contents User’s Guide contents, REC 561 1MRK 580 144-XEN Basic

Revisions, REC 561 1MRK 580 145-XEN Basic

2. Introduction, REC 561 Introduction, REC 561 1MRK 580 146-XEN Basic

Ordering data sheet 1MRK 580 149-XEN —

Requirements and basic technical data, REC 561 1MRK 580 147-XEN Basic

Construction and hardware characteristics, REC 561 1MRK 580 148-XEN Basic

3. Installation Installation and commissioning 1MRK 580 166-XEN Basic

Local man machine communication 1MRK 580 156-XEN Basic

Menu tree, REC 561 1MRK 580 189-XEN Basic

Menu tree, appendix 1MRK 580 158-XEN Basic

4. General functions Terminal identification 1MRK 580 160-XEN Basic

Activation of setting group 1MRK 580 162-XEN Basic

Restricted settings via man machine interface 1MRK 580 163-XEN Basic

I/O-system configuration 1MRK 580 190-XEN Basic

Configurable logic 1MRK 580 161-XEN Basic

5. Protection functions Tripping logic 1MRK 580 120-XEN Basic

Synchronism and energizing check with voltage selec-

tion single CB

1MRK 580 152-XEN Optional

Synchronism and energizing check with voltage selec-

tion doubleCB

1MRK 580 167-XEN Optional

Synchronism and energizing check with voltage selec-

tion 1½ CB

1MRK 580 168-XEN Optional

Fuse failure supervision function 1MRK 580 169-XEN Optional

Autoreclosing, single and/or three phase 1MRK 580 170-XEN Optional

Breaker failure protection 1MRK 580 171-XEN Optional

Loss of power system voltage 1MRK 580 153-XEN Optional

6. Control functions Apparatus control 1MRK 580 150-XEN Basic

Interlocking 1MRK 580 151-XEN Basic

Command function 1MRK 580 165-XEN Basic

Event function 1MRK 580 140-XEN Basic

7. Monitoring functions Service report 1MRK 580 137-XEN Basic

Direct current measurement quantities 1MRK 580 154-XEN Basic

Measurement of alternating quantities 1MRK 580 159-XEN Optional

Pulse counter 1MRK 580 187-XEN Optional

Time synchronization 1MRK 580 135-XEN Basic

Remote communication 1MRK 580 142-XEN Basic

Internal events 1MRK 580 134-XEN Basic

Disturbance report - Introduction 1MRK 580 132-XEN Basic

Disturbance report - Settings 1MRK 580 133-XEN Basic

Event recorder - Station Monitoring System 1MRK 580 139-XEN Basic

Indications 1MRK 580 136-XEN Basic

Disturbance recorder 1MRK 580 141-XEN Optional

8. Index Index, REC 561 1MRK 580 xxx-XEN Basic

9. Diagrams Terminal diagrams, REC 561 1MRK 580 155-XEN Basic

Default configuration, REC 561 1MRK 580 188-XEN Basic

1

User´s Guide contents - REC 561

1MRK 580 144-XEN

Version 1.0-00

October 1996

Basic

ABB Network Partner AB

User´s Guide contents - REC 561

Version 1.0-00

1MRK 580 144-XEN

Page 1 - 2

2 List of documents

Section Document Document number Version Date of edition

1. User’s Guide contents, REC 561 1MRK 580 144-XEN 1.0-00 August 1996

Revisions, REC 561 1MRK 580 145-XEN 1.0-00 August 1996

2. Introduction, REC 561 1MRK 580 146-XEN 1.0-00 August 1996

Requirements and basic technical data, REC 561 1MRK 580 147-XEN 1.0-00 August 1996

Construction and hardware characteristics, REC 561 1MRK 580 148-XEN 1.0-00 August 1996

3. Installation and commissioning 1MRK 580 166-XEN 1.0-00 August 1996

Local man machine communication 1MRK 580 156-XEN 1.0-00 August 1996

Menu tree, REC 561 1MRK 580 189-XEN 1.0-00 August 1996

Menu tree, appendix 1MRK 580 158-XEN 1.0-00 August 1996

4. Terminal identification 1MRK 580 160-XEN 1.0-00 August 1996

Activation of setting group 1MRK 580 162-XEN 1.0-00 August 1996

Restricted settings via man machine interface 1MRK 580 163-XEN 1.0-00 August 1996

I/O-system configuration 1MRK 580 190-XEN 1.0-00 August 1996

Configurable logic 1MRK 580 161-XEN 1.0-00 August 1996

5. Tripping logic 1MRK 580 120-XEN 1.0-00 August 1996

Synchronism and energizing check with voltage selection

single CB

1MRK 580 152-XEN 1.0-00 August 1996

Synchronism and energizing check with voltage selection

doubleCB

1MRK 580 167-XEN 1.0-00 August 1996

Synchronism and energizing check with voltage selection

1½ CB

1MRK 580 168-XEN 1.0-00 August 1996

Fuse failure supervision function 1MRK 580 169-XEN 1.0-00 August 1996

Autoreclosing, single and/or three phase 1MRK 580 170-XEN 1.0-00 August 1996

Breaker failure protection 1MRK 580 171-XEN 1.0-00 August 1996

Loss of power system voltage 1MRK 580 153-XEN 1.0-00 August 1996

6. Apparatus control 1MRK 580 150-XEN 1.0-00 August 1996

Interlocking 1MRK 580 151-XEN 1.0-00 August 1996

Command function 1MRK 580 165-XEN 1.0-00 August 1996

Event function 1MRK 580 140-XEN 1.0-00 August 1996

7. Service report 1MRK 580 137-XEN 1.0-00 August 1996

Direct current measurement quantities 1MRK 580 154-XEN 1.0-00 August 1996

Measurement of alternating quantities 1MRK 580 159-XEN 1.0-00 August 1996

Pulse counter 1MRK 580 187-XEN 1.0-00 August 1996

Time synchronization 1MRK 580 135-XEN 1.0-00 August 1996

Remote communication 1MRK 580 142-XEN 1.0-00 August 1996

Internal events 1MRK 580 134-XEN 1.0-00 August 1996

Disturbance report - Introduction 1MRK 580 132-XEN 1.0-00 August 1996

Disturbance report - Settings 1MRK 580 133-XEN 1.0-00 August 1996

Event recorder - Station Monitoring System 1MRK 580 139-XEN 1.0-00 August 1996

Indications 1MRK 580 136-XEN 1.0-00 August 1996

Disturbance recorder 1MRK 580 141-XEN 1.0-00 August 1996

8. Index, REC 561 1MRK 580 xxx-XEN 1.0-00 August 1996

9. Terminal diagrams, REC 561 1MRK 580 155-XEN

Default configuration, REC 561 1MRK 580 188-XEN

ABB Network Partner AB

Page I

Contents Page

Application..............................................................................................2-1

General...................................................................................................2-1

REC 561 types...............................................................................2-2

Application examples .....................................................................2-2

Basic features.........................................................................................2-8

Apparatus control...........................................................................2-8

Interlocking.....................................................................................2-8

Time tagged events........................................................................2-9

Configurable logic...........................................................................2-9

Remote serial communication - LON .............................................2-9

Optional features..................................................................................2-10

Additional apparatus control.........................................................2-10

Additional interlocking ..................................................................2-10

Measurements..............................................................................2-10

Pulse counter ...............................................................................2-11

Synchronism and energizing check..............................................2-11

Fuse failure supervision ...............................................................2-11

Multibreaker autoreclosing...........................................................2-11

Breaker-failure protection.............................................................2-12

Loss-of-power system voltage......................................................2-12

Disturbance recorder....................................................................2-12

Remote serial communication - SPA............................................2-12

Input/output facilities.....................................................................2-13

Ordering................................................................................................2-15

General.................................................................................................2-19

Requirements on voltage instrument transformers...............................2-19

Requirements on current instrument transformers...............................2-19

Choice of current transformers.....................................................2-19

Conditions for the CT requirements .............................................2-19

Fault current.................................................................................2-20

REC 561 current transformer requirements.................................2-20

Requirements for the LON communication link

for remote communication....................................................................2-21

Requirements for the SPA communication link

for remote communication....................................................................2-21

Technical data......................................................................................2-22

Hardware design..................................................................................2-27

Hardware modules ...............................................................................2-28

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Page II

Main processing module (MPM)...................................................2-30

Signal processing module (SPM).................................................2-30

Serial communication module (SCM)...........................................2-31

Power supply module (PSM)........................................................2-32

Man-machine interface (MMI).......................................................2-32

Input/output modules....................................................................2-33

Binary in/out module (IOM)..................................................2-33

Binary input module (BIM) ...................................................2-33

Binary output module (BOM) ...............................................2-34

mA input module (MIM)........................................................2-35

Transformer input module (TRM).................................................2-35

A/D-conversion module (ADM).....................................................2-35

Mounting system...................................................................................2-36

Mechanical mounting....................................................................2-36

Rack mounting..............................................................................2-36

Flush mounting.............................................................................2-37

Wall mounting...............................................................................2-38

Electrical connections...................................................................2-39

ABB Network Partner AB

- 1Page

Function:

1 Application

The control terminal REC 561 is used at bay level in a substation to con-

trol and supervise circuit breakers, disconnectors, and earthing switches in

any kind of switchgear/busbar arrangement. These features are available

in the REC 561 control terminal:

Basic features:

• Apparatus control for 1 bay (pole discordance protection included)

• Interlocking for 1 bay

• Time-tagged events

• Configurable logic

• Remote-serial communication - LON

• One binary input module

• One command output module

Optional features:

• Additional apparatus control (pole discordance protection included)

• Additional interlocking

• Measurements

• Pulse counters for metering

• Synchronism and energizing check

• Fuse failure supervision

• Multibreaker autoreclosing

• Breaker-failure protection

• Loss-of-power system voltage

• Disturbance recorder

• Remote serial communication - SPA

• Additional input/output facilities

2 General

Standardized, pre-tested software functions such as apparatus control,

interlocking, synchro-check, automatic reclosing are examples of useful

functions in a bay. These functions can be implemented in the same hard-

ware or control terminal with retained high availability of the complete

system.

The control terminal includes plug-in units, such as processor, memory,

input and output modules, all mounted in a 19-inch rack.

Binary and analogue process signals are connected directly to REC 561,

which fulfils the same EMC standards as applicable for high-voltage pro-

tections. The terminal is also provided with command output modules

with double-pole outputs and supervision functions to ensure a high

degree of security against unwanted operations.

Two serial communication ports are available within the REC 561, one

LON port (based on the LonWorks Network) and one port for an asyn-

chronous link, type SPA. They are independent of each other and availa-

ble on the rear side of the terminal. This enables the REC 561 to be used

2

Introduction - REC 561

1MRK 580 146-XEN

Version 1.0-00

October 1996

Basic

ABB Network Partner AB

Introduction - REC 561

Version 1.0-00

1MRK 580 146-XEN

Page 2 - 2

in a Substation Monitoring System (SMS) and in a complete Substation

Automation system. The communication with REC 561 uses optical fibres

to eliminate the influence of the electromagnetic interference.

2.1 REC 561 types Three types of control terminal REC 561 are available. These types con-

tain control functions and interlocking functions that are applicable for

different switchyard/busbar arrangements and different number of bays.

All the types include as basic pole discordance protection, configurable

logic, one LON communication port, one binary input module and one

command output module. For all three types of REC 561, a suitable

number of binary input/output modules must be added.

Type 1 (basic):

The basic version of REC 561 contains apparatus control modules for 1

bay and 14 high-voltage apparatuses and also interlocking modules for

single or double-breaker arrangement. This version is used when high

security, dependability, and fault tolerance are required for a substation.

Type 2 (basic + option 1):

This type of REC 561 contains apparatus control modules for up to 3 bays

and 24 high-voltage apparatuses and also interlocking modules for three

single or two double-breaker arrangements or one 1½ breaker diameter.

Type 3 (basic + option 2):

This type of REC 561 is intended to be used for arrangements up to 12

bays with up to 24 high-voltage apparatuses. It also contains interlocking

modules for two 1½ breaker diameters. The normal use of this type is on

medium-voltage level with a small number of apparatuses per bay and

with simple interlocking conditions, which can be solved by the config-

urable logic, that is, without standard interlocking modules.

2.2 Application examples The control terminal is basically used for one bay, single or double-

breaker arrangement. Optionally, the control terminal can be used for sev-

eral bays. See “REC 561 types” on page 2. Table 1, “Applicable optional

functions for different typical switchyard arrangements,” on page 3 shows

the applicable optional functions for different typical switchyard arrange-

ments. The cross (x) indicates that the options can be used for a certain

arrangement.

The figures of the switchyard arrangements below are shown as examples.

The number of disconnectors and earthing switches are configurable

within the maximum number of apparatuses.

Note that the optional-functions, fuse failure, breaker-failure protection,

and loss-of-power system voltage require three-phase current and voltage,

which are applicable only for one bay. One transformer module for either

Introduction - REC 561

ABB Network Partner AB

1MRK 580 146-XEN

Page 2 - 3

Version 1.0-00

1 A or 5 A is available in a REC 561. Only one alternative of the autore-

closing functions can be selected. The synchro-check function for the 1½-

CB arrangement is available for one diameter in REC 561.

Table 1: Applicable optional functions for different typical

switchyard arrangements

Functions

Arrangements

1 bay 2-3

bays

single

CB

2 bays

double

CB

One

1½-

CB

diam

Two

1½-

CB

diam

12

bays

Single

CB

Double

CB

One type of three is always selected.

Type 1 (Basic) x x

Type 2 (Basic + option 1) x x x

Type 3 (Basic + option 2) x x

Options

Pulse counters for meter-

ing (12 in total)

xxxxxxx

Autoreclosing for 1 CB x x x

Autoreclosing for 3 CB x x x x x x

Autoreclosing for 6 CB x x x

Transformer and A/D-con-

version for 5U and 5I,

1 A or 5 A

xxxxxxx

The functions below require the Transformer and A/D-conversion module.

Increased measuring

accuracy for U and I

(factory calibration)

xxxxxxx

Synchro-check, 1 bay,

single CB

xx

Synchro-check, 1 bay,

double CB

x

Synchro-check, 3 bays,

single CB

x

Synchro-check, 2 bays,

double CB

x

Synchro-check for one

1½-CB diameter

x

Fuse failure for 1 bay x x

Breaker-failure protection

for 1 single CB bay

x

Loss-of-power system

voltage for 1 bay

xx

Disturbance recorder xxxxxxx

ABB Network Partner AB

Introduction - REC 561

Version 1.0-00

1MRK 580 146-XEN

Page 2 - 4

Single/double busbar, single breaker

This is the basic configuration with one, single-breaker bay per REC 561

and up to 14 high-voltage apparatuses. This configuration can have full

functionality for all options. REC 561 type 1 is used.

Fig. 1 Double busbar, single-breaker arrangement

Double busbar, double breaker

This configuration with one, double-breaker bay per REC 561 and up to

14 high-voltage apparatuses can also have full functionality for all options

except the breaker-failure protection, which can handle only one circuit

breaker and thus is not applicable in this configuration. To get the line

current, the currents through the circuit breakers are summed externally.

REC 561 type 1 is used.

Fig. 2 Double busbar, double-breaker arrangement

Breaker-and-a-half

In REC 561 type 2, control and interlocking functions for one diameter of

a 1½-breaker arrangement are included. As an option, the synchro-check

function for each circuit breaker, including the voltage selection, can also

be included. The voltages to be used for the synchro-check function are

based on one-phase values. If P, Q, f, and three-phase values of U and I

1 U

3 I

3 U

REC

561

(X80146-1)

1 U

3 I

3 U

REC

561

(X80146-2)

Introduction - REC 561

ABB Network Partner AB

1MRK 580 146-XEN

Page 2 - 5

Version 1.0-00

are needed, then external transducers connected to mA inputs in REC 561

can be used. To get the line current, the currents through the circuit break-

ers are summed externally.

The synchro-check function is applicable only for one diameter. By using

REC 561 type 3, one more diameter can be added including control and

interlocking functions, but then external synchro-check functions are

needed. Control of all earthing switches within the two diameters are lim-

ited, because the upper limit of the number of apparatuses to be controlled

is still 24.

Fig. 3 Breaker-and-a-half arrangement

Three single-breaker bays

REC 561 type 2 is normally used for this application. The maximum

number of single-breaker bays including synchro-check functions are

three. Of course one of the bays can be a bus-coupler bay. The voltages to

be used for the synchro-check function are based on one-phase values. If

P, Q, f, and three-phase values of U and I are needed, then external trans-

ducers connected to mA inputs in REC 561 can be used.

Fig. 4 Three, single-breaker arrangement

REC

561

1 U

1 I

(X80146-3)

1 U

REC

561

1 U

(X80146-4)

ABB Network Partner AB

Introduction - REC 561

Version 1.0-00

1MRK 580 146-XEN

Page 2 - 6

The fuse failure function associated with the energizing check function is

solved by an external device and connected to the binary inputs in REC

561.

Two double-breaker bays

REC 561 type 2 is normally used for this application. The maximum

number of double-breaker bays including synchro-check functions are

two. The voltages to be used for the synchro-check function are based on

one-phase values. If P, Q, f and three-phase values of U and I must be pre-

sented for the operator, then external transducers connected to mA inputs

in REC 561 can be used. To get the line current, the currents through the

circuit breakers are summed externally.

Fig. 5 Two, double-breaker arrangement

The fuse failure function associated with the energizing check function is

solved by external detection of the fuse failure and connected to the

binary inputs in REC 561.

Up to 12 bays

REC 561 type 3 must be used for this application. The normal use of this

type is on medium-voltage level with a small number of apparatuses per

bay and with simple interlocking conditions, which can be solved by the

configurable logic, that is, without standard interlocking modules. The

upper limit of the number of apparatuses to be controlled is still 24. The

synchro-check function for several bays (> 3 bays) can be solved by using

the synchro-check function for one bay and by connecting the required

line voltages via an external voltage selection to the control terminal.

The fuse failure function associated with the energizing check function is

solved by an external device and connected to the binary inputs in REC

561.

1 U

1 I

1 U

REC

561

1 I

1 U

(X80146-5)

Introduction - REC 561

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1MRK 580 146-XEN

Page 2 - 7

Version 1.0-00

Fig. 6 Arrangement for up to 12 bays

(

)

. . .

REC

561

(

)

(

)

(

)

(

)

1 U







(X80146-6)

ABB Network Partner AB

Introduction - REC 561

Version 1.0-00

1MRK 580 146-XEN

Page 2 - 8

3 Basic features

3.1 Apparatus control The apparatus control function performs open and close commands of

high-voltage apparatuses in one bay and indicates the status. The function

handles commands coming from different operator places, that is, from

the station MMI, control centre, or local panel. Permission to operate is

given after evaluation of conditions from other functions such as inter-

locking, synchro-check, operator mode, or external conditions.

Other apparatus control functions include:

• Selection and reservation function to prevent double operation

• Command supervision

• Selection of operator place

• Block/deblock of operation

• Block/deblock of updating of position indications

• Manual setting of position indications

• Overriding of the reservation and interlocking functions

• Pole discordance protection.

The pole discordance protection applies to circuit breakers with individual

operation gears per pole or phase and is based on checking the positions

of the auxiliary contacts of the breaker. A discordance caused by one pole

failing to close or to open can be tolerated only for a limited time, for

instance, as a single-phase open time in connection with single-phase

reclosing.

The apparatus control function in REC 561 is prepared to be connected to

a dedicated control panel for local control. This panel can have a switch

for selection of the operators’ mode; station/remote, local, or back-up. In

station/remote mode, the station is controlled from the station MMI or the

control centre, depending on the selection from a VDU or station switch.

Control from the local panel can only occur in local or back-up mode. The

local mode ensures that the interlocking requirements are fulfilled during

all operations, while the back-up mode is used in emergency situations

without interlocking. Hence the back-up mode bypasses the interlocking,

that is, the REC 561.

3.2 Interlocking Interlocking means inhibiting the operation of high-voltage apparatuses in

a switchgear to prevent damage of the switchgear and personal injury to

operators. The basic interlocking functions are made for single or double-

breaker arrangement for one bay.

The interlocking function consists of software modules located in each

control terminal. For the station-wide interlocking, communication

between modules in different bays is performed via the communication

bus or hard-wired via the binary inputs/outputs.

Introduction - REC 561

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1MRK 580 146-XEN

Page 2 - 9

Version 1.0-00

The positions of the high-voltage apparatuses are inputs to the software

modules distributed in the control terminals. Each module contains the

interlocking logic for a bay. The interlocking logic in a module is differ-

ent, depending on the bay function and the switchyard arrangements, that

is, single-breaker or double-breaker bays have different modules.

3.3 Time tagged events Events are time tagged at the source, so REC 561 provides high accuracy

with a resolution of 1 ms with minute pulse for synchronization. The time-

tagged events are transferred over the LON bus to the station level for

recording and storing. Thirty-six event function blocks are available in a

basic REC 561 for time tagging or data exchange between control termi-

nals. That means that up to 576 (16 * 36) events and signals for data

exchange can be handled in a basic control terminal. Eight more event

function blocks (up to 704 events and signals for data exchange) are avail-

able in REC 561 type 3 (basic + option 2).

Forty-eight binary signals can be selected to the event recorder function in

the control terminal. An event list for up to 150 time-tagged events,

selected from these 48 signals, are available for each of the last 10

recorded disturbances. These lists are available via the PC connection on

the front, via the SMS port, or via the complete Substation Automation

system.

3.4 Configurable logic Many configuration logic circuits are built into the REC 561 terminal and

are thus available to the user. The configuration logic contains these func-

tional blocks: 249 AND, 199 OR, 79 inverters, 39 exclusive OR, 5 Set-

Reset, 10 timers delayed at pick-up and drop-out, and 50 pulse-timers.

The configuration is performed from the CAP 531 configuration tool.

3.5 Remote serial

communication - LON

A serial communication port based on the LonWorks Network (here

called the LON bus) is available within the REC 561. This port is used to

transfer data between different control terminals and PC-based operator

stations. The communication with REC 561 uses optical fibres (glass or

plastic) to eliminate influence of electromagnetic interferences.

The REC 561 can communicate with the HV/Control software library

installed in a PC-based operator station, type MicroSCADA under Win-

dows NT. That gives the operator, in a standardized way, possibilities to

control high-voltage apparatuses and receive information from the substa-

tion.

The benefits achieved by use of the LON bus in protection and control

systems include direct communication among all control terminals in the

system and support for multi-master implementations. Further the LON

bus has an open concept, so that REC 561 can communicate with external

devices using same standard of networks variables.

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Introduction - REC 561

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1MRK 580 146-XEN

Page 2 - 10

4 Optional features

4.1 Additional apparatus

control

Additional apparatus control functions are available as options. They are

applicable for several bays, that is, up to 12 bays and 24 high-voltage

apparatuses in total.

4.2 Additional interlocking Additional interlocking modules for more bays are available as options. In

total three single-breaker bays or two double-breaker bays or two 1½-

breaker diameters.

4.3 Measurements A total of 10 analogue input quantities can be connected to the trans-

former module consisting of five voltage transformers and five current

transformers. These direct inputs are normally used for measuring func-

tions according to the following, when the control terminal is designed

only for one bay:

• Three-phase currents

• Residual current of the protected line

• One-phase current, used for disturbance recorder

• Three-phase voltages

• One-phase voltage for reference voltage from busbar 1

• One-phase voltage for reference voltage from busbar 2

At three-phase measurement, the values of active power (W), reactive

power (var), frequency (Hz), and the mean value for voltage (U) and cur-

rent (I) can be calculated.

To reach a high accuracy in the measurements (≤ 0.25% of full scale for U

and I), a factory calibration can be made. Here, full scale is 1.3 x U

r

and

2.0 x I

r

.

When the control terminal is designed for several bays, the voltage and

current inputs can be galvanically separated and used for single-phase

measuring.

Besides the mentioned inputs above, analogue inputs for mA signals are

also available.

For both categories of inputs (direct via transformer and mA), the values

can be updated cyclically and be presented both on the local MMI and

remotely.

In the application software, alarm limits to be used as conditions in the

configuration logic can be specified. Dead-band handling is used for

transfer over the LON bus.

Introduction - REC 561

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4.4 Pulse counter The normal use for this function is the counting of energy pulses for kWh

and kvarh in both directions from external energy meters. Up to 12 binary

inputs in a REC 561 can be used for this purpose with a frequency of up to

40 Hz. The number of pulses in the counter is then reported via the LON

bus to the station MMI or read via SPA as a service value.

4.5 Synchronism and

energizing check

The synchro-check function is used for controlled interconnection of a line in

an interconnected network. When used, the function gives an enable signal at

preset satisfactory conditions. The synchro-check function measures the dif-

ference between the line and busbar voltages, for the voltage (UDiff), phase

angle (PhaseDiff), and frequency (FreqDiff). It operates and permits clos-

ing of the circuit breaker when the set conditions are met.

The function can be used at manual closing and with the autoreclosing

function as a condition to be fulfilled before the breaker is closed.

4.6 Fuse failure

supervision

The operation of the built-in fuse failure supervision function is based on

the detection of a zero-sequence voltage without the presence of a zero

sequence current. The selection of operation, based on the presence of a

negative sequence voltage without the negative sequence current, is possi-

ble by means of settings. Its effect on the operation of the REC 561 is pro-

grammable in two ways: either by blocking the energizing function or the

loss of voltage protection, or by giving information on the fuse failure

only.

4.7 Multibreaker

autoreclosing

The reclosing function can be selected to perform single-phase and three-

phase reclosing from eight single-shot or multi-shot reclosing programs.

The three-phase autoreclose open time can be selected to give either high-

speed autoreclosing or delayed autoreclosing. Three-phase autoreclosing

can be performed with or without the use of the synchronism check or

energizing function.

Provision is included for co-operation between autoreclosing function

modules in the same terminal or between REC 561 terminals to achieve

sequential reclosing of the two breakers at a line end in a 1½-breaker,

double-breaker, or ring-bus arrangement.

One unit is defined as master; it recloses first. Should it be successful and

no trip occurs, the second module is released to complete the reclosing

sequence. For persistent faults, the breaker reclosing is limited to the first

breaker. Some connections between the function modules are required to

send signals and to release the autorecloser with low priority.

Up to six autoreclosing functions can be used in REC 561. Trip signals

from external protections start the autoreclosing functions and are con-

nected via binary inputs of the terminal.

ABB Network Partner AB

Introduction - REC 561

Version 1.0-00

1MRK 580 146-XEN

Page 2 - 12

4.8 Breaker-failure

protection

The breaker-failure protection in the REC 561 operates on the basis of the

phase currents that flow through a corresponding line circuit breaker. This

optional function is intended to be used only for a single-breaker bay.

Two timers are available, one independent of the other: timer T1 for a

repeated tripping of its own circuit breaker and timer T2, which operates

the corresponding output relays connected into the breaker-failure trip-

ping logic that is built up for the whole substation.

External tripping functions start the operation of the breaker-failure pro-

tection and are connected to corresponding binary inputs for this purpose.

4.9 Loss-of-power system

voltage

This function provides a delayed three-phase trip in case of loss-of-power

system voltage in all three phases. The trip and alarm are issued when all

three voltage phases have been low for more than seven seconds. It can be

used as a preparative step for power-system restoration.

4.10Disturbance recorder The disturbance recording function is an important part of a substation

monitoring system, which enables the evaluation of different events

within the power system.

The optional disturbance recorder, with high performance, is one of the

building blocks within REC 561. It can memorize up to 10 analogue and

48 binary signals (input binary signals or internal signals) that are availa-

ble within the terminal. At maximum configuration the recording time is

10 seconds.

All the recorded analogue and binary signals are programmable to start a

recording. Analogue signals are also programmable for overfunctions and

underfunctions, and binary signals can start recording with a transition

from a logical 0 to a logical 1 and vice versa.

The time base is synchronized with an internal clock and via the synchro-

nizing facilities further on to the system. Pre-fault time, post-fault time,

and limit time can be set in wide ranges.

Disturbance records can be collected locally by means of a PC that is used

for local man-machine communication, as well as remotely within the

SMS and the Substation Automation system. REVAL, the disturbance

evaluating PC-based program that operates in MS Windows, is also avail-

able.

4.11Remote serial

communication - SPA

Optionally, one SPA communication port is available with REC 561´s cor-

responding software. This is installed on the rear side of the terminal.

Remote communication with REC 561 uses optical fibres to eliminate influ-

ence of electromagnetic interferences. This enables REC 561 to be a part of

an independent Station Monitoring System (SMS). This means that the

Introduction - REC 561

ABB Network Partner AB

1MRK 580 146-XEN

Page 2 - 13

Version 1.0-00

relay engineer in the office can read information from the terminal or even

change an active setting group and different values of the setting parameters

within the setting groups.

The SMS-BASE software program with SM/REC 561, installed in a per-

sonal computer, enables the relay engineer to establish communication

with the terminal (either direct communication or communication through

a telephone network), read information from the terminal on a PC screen,

and store it in PC files.

Disturbance records can be collected remotely within the SMS by using

the SMS-BASE with RECOM. An evaluation of the disturbance records

is feasible by means of the REVAL evaluating PC-based program.

4.12Input/output facilities The basic version of REC 561 includes input/output (I/O) modules that

consist of 16 binary inputs, 12 command/24 single outputs and one

switch-over contact used for the signaling a continuous self-supervision

function. Up to 11 additional I/O modules, each of them consisting of 16

binary inputs or 12 command/24 single outputs, or mixed modules with

eight inputs and 12 single outputs, are available as options. Totally six

modules (five optional modules) of any combination of the command out-

put modules and the mixed modules can be included. All the binary inputs

and outputs are freely programmable for any of the built-in functions to

assure the greatest possible flexibility.

Also up to six analogue input modules, each of them consisting of six

channels for mA signals, can be included in these additional I/O modules.

The inputs can be used for connection to external transducers.

ABB Network Partner AB

Introduction - REC 561

Version 1.0-00

1MRK 580 146-XEN

Page 2 - 14

ABB Network Partner AB

- 15Page

1Ordering

The basic version of REC 561 is a control terminal with software modules

for apparatus control for one bay and 14 high-voltage apparatuses and

interlocking modules for single or double breaker arrangements. The

basic version includes: pole discordance protection, configurable logic,

one LON communication port, one binary input module, and one binary

output module.

Quantity: Includes basic and the selected options below.

Basic data:

DC voltage, EL 48/60/110/125/220/250 V

Control function options:

1. Apparatus control modules for two additional bays and 10 additional

high-voltage apparatuses. Additional interlocking modules for two

single breaker or one double breaker arrangements or one 1

1

/

2

- breaker

diameter are included.

2. Apparatus control modules for 11 additional bays without interlocking and 10

additional high-voltage apparatuses. Interlocking modules for two 1

1

/

2

-

breaker diameters are included.

In the table below, first select the bay arrangement at the “Basic” row. Then select the

desired optional functions from that column only.

= Not applicable

.

Basic data to specify:

Transmitter Receiver

LON port Plastic Plastic

1MRK 000 168-EA

Glass

1MRK 000 168-DA

Functions Typical switchyard arrangements Ordering number

One bay 2-3

bays

sin-

gle

CB

Two

bays

dou-

ble

CB

One

1½

CB

diam

12

bays

or

two

1½

CB

diam

Sin-

gle

CB

Dou-

ble

CB

Basic 1MRK 000 598-AA

Control function, option 1

1MRK 000 597-AA

Control function, option 2

1MRK 000 597-BA

Pulse counters for metering (12) 1MRK 000 597-TA

Autoreclosing for

(Only one alternative

can be selected)

1 CB

1MRK 000 597-GA

3 CB

1MRK 000 597-HA

6 CB

1MRK 000 597-XA

German MMI

(English version is replaced)

1MRK 000 597-NA

REC 561 Ordering data sheet 1MRK 580 149-XEN

Version 1.0-00

October 1996

2

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ABB REC 561 User manual

ABB REC 561 User manual

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