GE SR745-W2-P1-G1-HI-A-L-R is a transformer protection management relay device produced by General Electric (GE). The following is a detailed introduction to the product:

1、 Main functions

Transformer overload protection: This relay has transformer overload protection function, which can monitor the load condition of the transformer, prevent long-term overload operation, avoid insulation damage and shorten equipment life caused by overheating.

Monitoring and Response: Capable of monitoring and responding to physical and electronic variables such as temperature, harmonics, and overexcitation of transformers to prevent transformer overload or damage.

Provide protective measures: When abnormal situations are detected, the relay can provide necessary protective measures, such as cutting off power, issuing alarms, etc., to ensure the safe operation of the transformer system.

2、 System capability

Automatic detection and processing: GE SR745-W2-P1-G1-HI-A-L-R relay has the ability to automatically detect and process abnormal situations, and can quickly identify and respond to faults or abnormal states in the transformer system.

High sensitivity and high precision: This relay provides high-sensitivity differential protection function, which can detect differential current between transformer windings, identify internal faults such as turn to turn short circuits, winding grounding faults, etc.

3、 System environment

Normal temperature environment: This relay is suitable for normal temperature environment and can operate stably under standard temperature and humidity conditions.

4、 Characteristics

High safety: GE SR745-W2-P1-G1-HI-A-L-R relay has a high degree of safety, which can ensure the stable operation of the transformer system under various working conditions.

Efficient and Durable: Adopting advanced design and material manufacturing, it has the characteristics of high efficiency and durability, and can operate stably for a long time without frequent maintenance.

Remote monitoring and control: Supports remote monitoring and control functions, making it convenient for operators to understand the real-time status of the transformer system and perform remote operations.

5、 Application Fields

The GE SR745-W2-P1-G1-HI-A-L-R relay is widely used in fields such as power, energy, and industry, providing strong support for the stable operation of transformer systems. Especially in power plants, substations, and industrial facilities, this relay can play an important protective role, ensuring the safety and stability of the power system.

6、 Other functions

Multiple overcurrent protections: Provides instantaneous overcurrent, timed overcurrent, and inverse time overcurrent protection to ensure rapid disconnection of faulty circuits in the event of short circuits and other abnormal current conditions.

Built in temperature monitoring: Real time monitoring of transformer windings and oil temperature, providing alarm and trip functions to prevent overheating.

Identification of excitation inrush current: By identifying the characteristics of excitation inrush current, it prevents false tripping and ensures the stability of the transformer during operation.

Communication protocol support: Supports multiple communication protocols (such as Modbus, DNP3, IEC 61850, etc.), and can exchange data with other protection devices and control systems.

Event recording and waveform capture: It can record and analyze fault events in the power system, providing data support for fault diagnosis and system optimization.

In summary, GE SR745-W2-P1-G1-HI-A-L-R is a powerful and highly safe transformer protection management relay device with broad application prospects and market demand.