SR745-W2-P5-G5-HI GE High Speed Transformer Protection Relay

Product Overview

SR745-W2-P5-G5-HI is a high-speed transformer protection relay provided by GE,used to protect transformers from various faults.This relay adopts advanced digital technology and fast response speed,which can effectively detect and quickly cut off fault currents,thereby minimizing transformer damage and downtime.

Product features

Fast response speed:The SR745-W2-P5-G5-HI relay has a fast response speed,which can detect and cut off fault current within 1 millisecond,effectively protecting the transformer from damage.

High precision:This relay adopts high-precision measurement technology,which can accurately identify the type and location of faults and avoid misoperation.

Multiple protection functions:The SR745-W2-P5-G5-HI relay provides various protection functions,including overcurrent protection,differential protection,zero sequence harmonic protection,and overvoltage protection,which can comprehensively protect the safety of transformers.

High reliability:The relay adopts a sturdy and durable design,can withstand harsh environmental conditions,and has undergone strict testing and certification to ensure reliable operation.

Product parameters

Rated voltage:5kV to 36kV

Rated current:5A to 5000A

Protection scope:overcurrent,differential,zero sequence harmonics,overvoltage,etc

Response time:<1ms

Working temperature:-40°C to+85°C

Protection level:IP54

Product specifications

Module size:200mm x 200mm x 150mm

Weight:5kg

Installation method:panel installation

Series

The SR745 transformer protection relay series includes the following models:

SR745-W2-P1-G5-HI:Rated current from 5A to 100A

SR745-W2-P2-G5-HI:Rated current from 100A to 500A

SR745-W2-P5-G5-HI:Rated current 500A to 5000A

Features

Fast response speed:The SR745-W2-P5-G5-HI relay adopts advanced digital technology and fast response speed,which can detect and cut off fault current within 1 millisecond,effectively protecting the transformer from damage.Even in the case of rapid transient faults,it can respond quickly and minimize transformer damage and downtime.

High precision:This relay adopts high-precision measurement technology and advanced algorithms,which can accurately identify the type and location of faults and avoid misoperation.Even in complex power grid environments,faults can be accurately identified,avoiding false and leakage faults,and ensuring the safe operation of transformers.

Multiple protection functions:The SR745-W2-P5-G5-HI relay provides various protection functions,including overcurrent protection,differential protection,zero sequence harmonic protection,and overvoltage protection,which can comprehensively protect the safety of transformers.This relay can select appropriate protection functions according to different transformer types and application requirements,providing comprehensive protection for transformers.

High reliability:The SR745-W2-P5-G5-HI relay adopts a sturdy and durable design,made of high-quality materials and components,and can withstand harsh environmental conditions.It has undergone strict testing and certification to ensure reliable operation.This relay has good resistance to vibration,impact,and electromagnetic interference,and can operate stably in harsh environments,extending its service life.

Function

The SR745-W2-P5-G5-HI high-speed transformer protection relay is used to protect the transformer from various faults.This relay can be widely used in various transformers in power systems,such as:

Power plant transformer

Substation Transformer

Industrial transformer

Distribution transformer

Purpose

The SR745-W2-P5-G5-HI high-speed transformer protection relay can be used for the following purposes:

Protect transformers from damage caused by faults such as overcurrent,differential,zero sequence harmonics,and overvoltage.

Improve the operational reliability of transformers