Description

SR745-W2-P5-G5-HI-A high performance transformer protection relay

Product Description

The SR745-W2-P5-G5-HI-A is a high performance transformer protection relay in the GE Multilin family, designed to monitor and protect power transformers for safe and reliable operation. The following are the detailed features and parameters of the product:

Protection function: Provides a variety of protection functions, including differential protection, overload protection, overheat protection, ground fault protection, resonant overvoltage protection, etc., to fully protect transformer safety.

Communication interface: Support RS232, RS485 and other communication interfaces, easy to communicate with the upper system.

High precision and reliability: The use of microprocessor technology and advanced digital signal processing technology to ensure the accuracy and reliability of the relay.

Flexible setting and adjustment: Support a variety of setting and adjustment methods to meet the needs of different users.

Rugged housing: IP65 rated housing for harsh environmental conditions.

SR745-W3-P5-G5-HI

Product parameter

Rated voltage: 11 kV to 34.5 kV, suitable for different voltage levels of power systems.

Rated current: 5 A to 2000 A, covering a wide range of current, suitable for transformers of different capacities.

Operating temperature: -40°C to +70°C, capable of stable operation under extreme temperature conditions.

Relative humidity: 5% to 95% (non-condensing), suitable for different humidity environments.

Versatile design: Provides advanced power quality analysis capabilities, including waveform capture and harmonic analysis.

Multiple communication options: In addition to RS232 and RS485, Ethernet and Modbus communication options are also available for easy integration with other systems or devices.

Voltage and current measurement range: can adapt to a wide range of current and voltage measurement, suitable for different capacity transformers.

Protection grade: IP54, provides good physical protection, suitable for various industrial environments.

Applications: Widely used in power systems, industrial automation and other fields, especially in the need for efficient management and protection of transformers safe operation occasions.

Application field

Power system: used for the protection, control and management of transformers in power systems to ensure the safe operation of transformers and prevent power system interruptions caused by transformer failures. It provides differential protection, overload protection, overheat protection, ground fault protection and resonant overvoltage protection.

Industrial automation: In the field of industrial automation, the SR745-W2-P5-G5-HI-A can be used to monitor and protect transformers used in industrial production, ensuring the continuous operation of production lines, while integrating with industrial automation systems through its communication interface for remote monitoring and control.

Distribution Transformer protection: Protection for distribution transformers of all sizes and voltage levels, providing applications for fast and secure communication, as well as protection against corrosion and moisture required in harsh environments.

Protection of reactors and autotransformers: In addition to the standard transformer protection, the SR745-W2-P5-G5-HI-A is also suitable for special types of transformers, such as reactors and autotransformers, providing comprehensive protection measures.

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