REX521GHHGSH51G

Description

ABB REX521GHHGSH51G is a medium voltage protection and control equipment, its product description, parameters, specifications, series, features, functions, uses and application fields are as follows:

ABB REX521GHHGSH51G Product description

ABB REX521GHHGSH51G is part of ABB’s REX521 family of applications for the protection, control and measurement of medium voltage power systems. The device integrates a variety of functions, including overcurrent protection, short circuit protection, ground fault protection, voltage measurement, current measurement, power factor measurement, etc., for feeder protection and main protection of medium voltage networks (such as 110kV and below).

Product parameter

Rated voltage: 110kV.

Rated current: 630A.

Protection class: IP54.

Operating temperature range: -40°C to +70°C.

Size: 800mm x 500mm x 400mm.

Weight: 120kg.

Communication interface: Support IEC 61850, Modbus RTU/ASCII, DNP3 and other protocols.

Control mode: Support remote/local circuit breaker control, automatic access scheme, remote control function.

Product specification

Input voltage: 100-240V AC/DC.

Power consumption: about 10W.

Protection level: IP54 or IP65 depending on the case.

Mechanical characteristics: Modular design for easy installation and maintenance.

series

ABB REX521GHHGSH51G belongs to the REX521 family, which is designed for medium voltage power systems with high performance, reliability and versatility.

trait

High-precision protection: It can accurately detect and locate feeder faults to ensure the safe operation of the power system.

Multi-function integration: Support overcurrent protection, short circuit protection, ground fault protection, voltage measurement, current measurement, power factor measurement, etc.

Intelligent and modular: The use of intelligent algorithms to automatically identify the state of the power system, and provide flexible scalability.

Fast response: When a fault occurs, the circuit can be quickly cut off to prevent the expansion of the accident.

Communication capability: Supports a variety of communication protocols, facilitating data exchange and remote management with other devices or monitoring systems.

effect

The main functions of ABB REX521GHHGSH51G are:

Provides protection for medium voltage power systems, including overcurrent, short circuit and ground fault protection.

Realize real-time monitoring and measurement of power system, such as voltage, current, power factor, etc.

Provide circuit breaker control function to ensure the safe and reliable operation of power system.

use

ABB REX521GHHGSH51G is widely used in the following areas:

Substations and industrial power systems.

Protection and control of power plants, distribution networks and transmission networks.

Protection of motors and other electrical equipment in industrial automation production lines.

Marine engineering, petrochemical, metallurgy and other industries.

Application field

ABB REX521GHHGSH51G is suitable for the following application scenarios:

Feeder protection and main protection for medium voltage networks (such as 110kV and below).

Protection of power equipment in industrial automation systems.

Integrated protection and control in high performance power systems.

Petrochemical, metallurgy, Marine engineering and other special industries.