ABB REX640 User Manual

Table 121. Underpower protection (DUPPDPR) main settings
Parameter Function Value (Range) Step
Start value DUPPDPR 0.01...2.00 × S
n
0.01
Operate delay time DUPPDPR 40...300000 ms 10
Pol reversal DUPPDPR 0 = False
1 = True
-
Disable time DUPPDPR 0...60000 ms 1000
Table 122. Three-phase underimpedance protection (UZPDIS)
Characteristic
Value
Operation accuracy Depending on the frequency of the measured current and voltage: f
n
±2
Hz
±3.0% of the set value or ±0.2 %Zb
Start time
1)2)
Typically 50 ms
Reset time Typically 40 ms
Reset ratio Typically 1.04
Retardation time <40 ms
Operate time accuracy ±1.0% of the set value or ±20 ms
1) f
n
= 50 Hz, results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
Table 123. Three-phase underimpedance protection (UZPDIS) main settings
Parameter
Function Value (Range) Step
Polar reach UZPDIS 1...6000 %Z
n
1
Operate delay time UZPDIS 40...200000 ms 10
Table 124. Three-phase underexcitation protection (UEXPDIS)
Characteristic
Value
Operation accuracy Depending on the frequency of the measured current and voltage:
f = f
n
± 2 Hz
±3.0% of the set value or ±0.2% Zb
Start time
1)2)
Typically 45 ms
Reset time Typically 30 ms
Reset ratio Typically 1.04
Retardation time Total retardation time when the impedance returns from the operating
circle <40 ms
Operate time accuracy ±1.0% of the set value or ±20 ms
Suppression of harmonics -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
1) f
n
= 50Hz, results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
1MRS759144 A
REX640
Product version: 1
68 ABB

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