Description

SR745-W2-P5-G5-HI-A is a transformer protection system model of General Electric(GE).The following is a detailed explanation of this model:

1.Series and functions

Series:SR745-W2-P5-G5-HI-A belongs to General Electric’s 745 transformer protection system series.

Functional features:This model provides high-speed transformer management relay function,built-in multi-processor,and supports dual-winding or three-winding transformer management.It has overexcitation protection elements,overcurrent and percentage differential functions,and can monitor single harmonics and total harmonic distortion(THD).

GE SR745-W2-P5-G5-HI-A

2.Technical specifications and parameters

Tap position range:0 to 500Ωor 0.5 to 5.0kΩ(the specific range may vary depending on the actual application).

Software version:EnerVista 745,which is the software used to configure,monitor and manage the protection system.

Environmental storage temperature:-40°C to+80°C,ensuring that the equipment remains stable even under extreme temperature conditions.

Working temperature:-40°C to+60°C,ensuring the reliability of the equipment under normal working environment.

Working environment humidity:up to 90%without condensation,suitable for high humidity environment.

Frequency:nominal 50 or 60 Hz,suitable for the frequency requirements of different power systems.

Control power supply range:90 to 300V DC;70 to 265V AC,48 to 62 Hz,providing flexible power supply options.

3.Multi-function protection and reliability

Comprehensive protection function:SR745-W2-P5-G5-HI-A provides comprehensive protection functions,including overload protection,short circuit protection,overcurrent protection,etc.,to ensure the safe operation of the transformer under various working conditions.

High reliability:using advanced electronic technology and reliable mechanical structure to ensure that the product can still work stably under high load and harsh environment.

GE SR745-W2-P5-G5-HI-A

4.Maintenance convenience and applicability

Convenient maintenance:The product design fully considers the convenience of maintenance,such as the optical components are not in contact with water,reducing the workload of cleaning and maintenance.

Wide applicability:Suitable for large,medium and small transformer systems,meeting the protection needs of power systems of different sizes.

5.Application fields and configuration

Application fields:Widely used in power,energy,industrial manufacturing and other fields,especially in occasions requiring high reliability and stability of power supply,such as metallurgy,oil and gas,petrochemical,chemical industry,paper printing,textile printing and dyeing,machinery manufacturing,electronic manufacturing,automobile manufacturing and other industries.

Configuration and connection:The product has multiple ports and supports inbound and outbound connections,including RS422/485 ports for continuous monitoring of multiple relays.At the same time,it is also equipped with an RS232 port,allowing users to connect to a computer running EnerVista 745 for quick and easy configuration and monitoring.

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