ABB Relion 630 Series RET630 Bedienungsanleitung

Relion® 630 series

Transformer Protection and Control

RET630

Product Guide

Contents

1. Description...........................................................3

2. Application...........................................................3

3. Preconfigurations.................................................5

4. Protection functions.............................................9

5. Control................................................................11

6. Voltage regulator................................................11

7. Measurement.....................................................12

8. Disturbance recorder..........................................12

9. Event log.............................................................13

10. Disturbance report............................................13

11. Circuit-breaker monitoring................................13

12. Trip-circuit supervision......................................13

13. Self-supervision.................................................13

14. Fuse failure supervision.....................................14

15. Current circuit supervision................................14

16. Access control...................................................14

17. Inputs and outputs............................................14

18. Communication.................................................16

19. Technical data...................................................17

20. Front panel user interface.................................60

21. Mounting methods............................................60

22. Selection and ordering data..............................62

23. Accessories.......................................................66

25. Tools..................................................................67

26. Supported ABB solutions..................................69

27. Terminal diagrams.............................................70

28. References........................................................74

29. Functions, codes and symbols.........................74

30. Document revision history.................................78

Disclaimer

The information in this document is subject to change without notice and should not be construed as a commitment by ABB Oy. ABB Oy assumes

no responsibility for any errors that may appear in this document.

Trademarks

ABB and Relion are registered trademarks of ABB Group. All other brand or product names mentioned in this document may be trademarks or

registered trademarks of their respective holders.

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

2 ABB

1. Description

RET630 is a comprehensive transformer

management IED for protection, control,

measuring and supervision of power

transformers, unit and step-up transformers

including power generator-transformer blocks

in utility and industry power distribution

networks. RET630 is a member of ABB’s

Relion®product family and a part of its 630

series characterized by functional scalability

and flexible configurability. RET630 also

features necessary control functions

constituting an ideal solution for transformer

bay control and voltage regulation.

The supported communication protocols

including IEC 61850 offer seamless

connectivity to various station automation

and SCADA systems.

2. Application

RET630 provides main protection for two-

winding power transformers and power

generator-transformer blocks. Two pre-

defined configurations to match your typical

transformer protection and control

specifications are available. The pre-defined

configurations can be used as such or easily

adapted or extended with freely selectable

add-on functions, by means of which the IED

can be fine-tuned to exactly satisfy the

specific requirements of your present

application. The optional voltage regulation

function is one example of such add-on

functions.

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

Revision: D

ABB 3

GUID-EBE462A5-7366-467A-BA18-583E75428EDB V2 EN

Figure 1. RET630 and REF630 IEDs applied for the incoming feeder and primary switchgear

in a double busbar arrangement. The RET630 with preconfiguration A is used for

protection and control of the power transformer, the REF630 with preconfiguration B

protects and controls the outgoing feeder and the REF630 with preconfiguration D is

used for the bus sectionalizer.

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

4 ABB

3. Preconfigurations

The 630 series IEDs are offered with optional

factory-made preconfigurations for various

applications. The preconfigurations

contribute to faster commissioning and less

engineering of the IED. The

preconfigurations include default

functionality typically needed for a specific

application. Each preconfiguration is

adaptable using the Protection and Control

IED Manager PCM600. By adapting the

preconfiguration the IED can be configured

to suit the particular application.

The adaptation of the preconfiguration may

include adding or removing of protection,

control and other functions according to the

specific application, changing of the default

parameter settings, configuration of the

default alarms and event recorder settings

including the texts shown in the HMI,

configuration of the LEDs and function

buttons, and adaptation of the default single-

line diagram.

In addition, the adaptation of the

preconfiguration always includes

communication engineering to configure the

communication according to the functionality

of the IED. The communication engineering

is done using the communication

configuration function of PCM600.

If none of the offered

preconfigurations fulfill the

needs of the intended area of

application, 630 series IEDs

can also be ordered without

any preconfiguration. In this

case the IED needs to be

configured from the ground

up.

Table 1. RET630 preconfiguration ordering options

Description Preconfiguration

Preconfiguration A for two-winding HV/MV transformer A

Preconfiguration B for two-winding HV/MV transformer, including

numerical REF protection B

Number of instances available n

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

ABB 5

Table 2. Functions used in preconfigurations. Column 'n' shows the total number of

available function instances regardless of the preconfiguration selected.

Functionality A B n

Protection

Three-phase non-directional overcurrent, low stage (LV side) 1 1 2

Three-phase non-directional overcurrent, low stage (HV side) 1 1

Three-phase non-directional overcurrent, high stage (LV side) 1 1 2

Three-phase non-directional overcurrent, high stage (HV side) 1 1

Three-phase non-directional overcurrent, instantaneous stage (LV

side)

1 1

Three-phase non-directional overcurrent, instantaneous stage (HV

side)

1 1

Three-phase directional overcurrent, low stage - - 2

Three-phase directional overcurrent, high stage - - 1

Non-directional earth-fault, low stage (LV side) - 1 2

Non-directional earth-fault, low stage (HV side) 1 1

Non-directional earth-fault, high stage (LV side) - 1 2

Non-directional earth-fault, high stage (HV side) 1 1

Directional earth-fault, low stage - - 2

Directional earth-fault, high stage - - 1

Stabilised restricted earth-fault (LV side) - 1 2

Stabilised restricted earth-fault (HV side) - 1

High-impedance-based restricted earth-fault protection - - 2

Negative-sequence overcurrent (LV side) 1 1 4

Negative-sequence overcurrent (HV side) 1 1

Three-phase current inrush detection - - 1

Three-phase thermal overload for transformers 1 1 1

Three-phase overvoltage (LV side) 2 2 2

Three-phase undervoltage (LV side) 2 2 2

Positive-sequence overvoltage - - 2

Positive-sequence undervoltage - - 2

Negative-sequence overvoltage - - 2

Residual overvoltage - - 3

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

6 ABB

Table 2. Functions used in preconfigurations. Column 'n' shows the total number of

available function instances regardless of the preconfiguration selected., continued

Functionality A B n

Frequency gradient - - 6

Overfrequency - - 3

Underfrequency - - 3

Overexcitation protection1) - - 2

Three-phase underimpedance protection1) - - 2

Transformer differential protection for two-winding transformers 1 1 1

Circuit-breaker failure (HV side) 1 1 2

Tripping logic (LV side) 1 1 2

Tripping logic (HV side) 1 1

Multipurpose analog protection - - 16

Control

Bay control 1 1 1

Interlocking interface 4 4 10

Circuit breaker/disconnector control 4 4 10

Circuit breaker 1 1 2

Disconnector 3 3 8

Local/remote switch interface - - 1

Synchrocheck - - 1

Tap changer control with voltage regulator1) - - 1

Generic process I/O

Single point control (8 signals) - - 5

Double point indication - - 15

Single point indication - - 64

Generic measured value - - 15

Logic rotating switch for function selection and LHMI presentation - - 10

Selector mini switch - - 10

Pulse counter for energy metering - - 4

Event counter - - 1

Supervision and monitoring

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

ABB 7

Table 2. Functions used in preconfigurations. Column 'n' shows the total number of

available function instances regardless of the preconfiguration selected., continued

Functionality A B n

Circuit breaker condition monitoring (HV side) 1 1 2

Fuse failure supervision 1 - 1

Current circuit supervision (LV side) - - 2

Current circuit supervision (HV side) - -

Trip-circuit supervision 2 2 3

Tap position indication - - 1

Energy monitoring 1 1 1

Station battery supervision - - 1

Measured value limit supervision - - 40

Measurement

Three-phase current (LV side) 1 1 2

Three-phase current (HV side) 1 1

Three-phase voltage (phase-to-phase) 1 1 1

Three-phase voltage (phase-to-earth) 1 1 1

Residual current measurement 2 2 2

Residual voltage measurement - - 1

Sequence current measurement - - 1

Sequence voltage measurement - - 1

Power monitoring with P, Q, S, power factor, frequency 1 1 1

Disturbance recorder function

Analog channels 1-10 (samples) 1 1 1

Analog channels 11-20 (samples) - - 1

Analog channels 21-30 (calc. val.) - - 1

Analog channels 31-40 (calc. val.) - - 1

Binary channels 1-16 1 1 1

Binary channels 17-32 1 1 1

Binary channels 33-48 1 1 1

Binary channels 49-64 1 1 1

Station communication (GOOSE)

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

8 ABB

Table 2. Functions used in preconfigurations. Column 'n' shows the total number of

available function instances regardless of the preconfiguration selected., continued

Functionality A B n

Binary receive - - 10

Double point receive - - 32

Interlock receive - - 59

Integer receive - - 32

Measured value receive - - 62

Single point receive - - 62

1) Optional function, to be specified at ordering

4. Protection functions

RET630 features transformer differential

protection with instantaneous and stabilized

stages to provide fast and selective protection

for phase-to-phase, winding interturn and

bushing short-circuits including most phase-to-

earth faults. Besides second harmonic

restraint an advanced waveform-based

blocking algorithm ensures stability at

transformer energization and fifth harmonic

restraint ensures stability at moderate

overexcitation.

Sensitive restricted earth-fault protection

(REF) completes the overall differential

protection to detect even single phase-to-

earth faults close to the earthing point of the

transformer. Either the conventional high-

impedance scheme or a numerical low-

impedance scheme can be selected for

protection of the windings. If the low-

impedance REF protection is used neither

stabilizing resistors nor varistors are needed

and as a further benefit the transforming ratio

of the earthing point current transformers can

differ from those of the phase current

transformers. Due to its unit protection

character the REF protection does not need

any time grading, and therefore a fast

protection operating time can be achieved.

The overexcitation protection is used to

protect generators and power transformers

against an excessive flux density and

saturation of the magnetic core.

The IED also incorporates thermal overload

protection to prevent an accelerated aging of

the transformer isolation. Multiple stages of

short-circuit, phase-overcurrent, negative-

phase-sequence and earth-fault back-up

protection are separately available for both

windings. The three-phase underimpedance

protection, based on impedance values from

voltage and current phasors, provides backup

protection against short-circuit faults. Earth-

fault protection based on the measured or

calculated residual overvoltage is also

available.

To detect reversed power flow or circulating

currents at parallel power transformers

RET630 also offers directional overcurrent

protection. Further, overfrequency and

underfrequency protection, overvoltage and

undervoltage protection and circuit-breaker

failure protection are provided.

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

ABB 9

GUID-FD724103-823D-4443-ACAE-412BB7906240 V2 EN

Figure 2. Protection function overview of preconfiguration A

Transformer Protection and Control 1MRS756978 D

RET630

Product version: 1.1 Issued: 2011-05-18

10 ABB

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