ABB REX640 User Manual

Table 187. Tap changer control with voltage regulator (OL5ATCC) main settings
Parameter Function Value (Range) Step
LDC enable OL5ATCC 0 = False
1 = True
-
Parallel mode OL5ATCC 2 = Master
3 = Follower
5 = NRP
7 = MCC
-1 = Input control
-2 = Command
-
Band center voltage OL5ATCC 0.000...2.000 × U
n
0.001
Line drop V Ris OL5ATCC 0.0...25.0% 0.1
Line drop V React OL5ATCC 0.0...25.0% 0.1
Band reduction OL5ATCC 0.00...9.00 %U
n
0.01
Stability factor OL5ATCC 0.0...70.0% 0.1
Rv Pwr flow allowed OL5ATCC 0 = False
1 = True
-
Operation mode OL5ATCC 1 = Manual
2 = Auto single
3 = Parallel manual
4 = Auto parallel
5 = Input control
6 = Command
-
Parallel trafos OL5ATCC 0...10 1
Delay characteristic OL5ATCC 0 = Inverse time
1 = Definite time
-
Band width voltage OL5ATCC 1.20...18.00 %U
n
0.01
Load current limit OL5ATCC 0.10...5.00 × I
n
0.01
Block lower voltage OL5ATCC 0.10...1.20 × U
n
0.01
LTC pulse time OL5ATCC 500...10000 ms 100
Table 188. Petersen coil controller (PASANCR)
Characteristic
Value
Measuring accuracy Resistance:
±2% or ±1 Ω
Operation accuracy
1)
I_RESONANCE:
Typically ±2 A
I_DAMPING:
Typically ±2 A
1) Network resonance point voltage must be at least 0.01 × U
n
, where U
n
= nominal phase-to-earth voltage
1MRS759144 A
REX640
Product version: 1
ABB 89

ABB REX640 Specifications

General

Device Type	Protection Relay
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Rated Frequency	50/60 Hz
Operating Temperature Range	-25°C to +55°C
Display	LCD
Housing	Metal
Manufacturer	ABB
Model	REX640
Mounting	Rack mounting
Inputs and Outputs	Configurable binary inputs and outputs
Rated Voltage	48-240 V AC/DC
Protection Functions	Overcurrent, Earth Fault
Input Voltage	48-240 V AC/DC
Certifications	CE, UL, IEC

Summary

Description

Application packages

Relay hardware

Local HMI

Application

Supported ABB solutions

Control

Arc flash protection

Power transformer differential protection

Measurements

Power quality

Fault locator

Disturbance recorder

Event log

Recorded data

Load profile

Trip circuit supervision

Self-supervision

Access control and cybersecurity

Station communication

Protection communication and supervision

Technical data

Dimensions of the relay

Details on the physical dimensions of the REX640 protection relay.

Dimensions of the LHMI

Specifications for the physical dimensions of the Local Human-Machine Interface.

Power supply for the relay

Information on the power supply requirements and ratings for the relay.

Power supply for the LHMI

Details on the power supply specifications for the Local HMI.

Energizing inputs

Overview of the energizing input specifications for current and voltage measurements.

Binary inputs

Specifications for the relay's binary input capabilities.

RTD/mA inputs and mA outputs

Details on RTD and mA input/output specifications and capabilities.

Signal outputs and IRF output

Information on signal output relay types and IRF output specifications.

Relay output types

Details on single-pole, static, and double-pole output relays.

Interfaces

Overview of serial, USB, Ethernet, and protection communication interfaces.

Protection Degrees

IP ratings for the protection relay and the LHMI.

Environmental conditions

Operating and storage temperature, humidity, and altitude specifications.

Electromagnetic compatibility tests

Details on EMC test values and references.

Insulation tests

Information on insulation test values and standards applied.

Mechanical tests

Specifications for mechanical test requirements and references.

Environmental tests

Details on environmental test conditions and references.

Product safety

Information on product safety directives and standards.

EMC compliance

Details on EMC compliance directives and standards.

RoHS compliance

Statement on RoHS directive compliance.

Mounting methods

Selection and ordering data

Modification Sales

Accessories and ordering data

Tools

Module diagrams

AIM1001 Module Diagram

Diagram showing the wiring and connections for the AIM1001 module.

AIM1002 Module Diagram

Diagram illustrating the wiring and connections for the AIM1002 module.

SIM1001 Module Diagram

Diagram depicting the wiring and connections for the SIM1001 module.

BIO1001/BIO1003 Modules Diagram

Diagrams for BIO1001 and BIO1003 modules, showing input/output connections.

BIO1002/BIO1004 Modules Diagram

Diagrams for BIO1002 and BIO1004 modules, showing input/output connections.

PSM100x Module Diagram

Diagram illustrating the connections and functionality of the PSM100x module.

RTD1001 Module Diagram

Diagram showing the wiring and connections for the RTD1001 module.

ARC1001 Module Diagram

Diagram detailing the connections for the ARC1001 module and its sensors.

Certificates

References

Functions, codes and symbols

Contents of application packages

Document revision history