The GE 745-W2-P5-G5-HI is a sophisticated transformer protection relay designed to ensure the safety and efficiency of power transformers. It features a comprehensive suite of protection functions, including:

• Overexcitation Protection: Utilizes overcurrent and percentage differential functions.
• Harmonic Monitoring: Tracks individual harmonics and total harmonic distortion (THD).
• Programmable Contact Inputs: Each group of 4-contact inputs has a programmable closing contact voltage threshold, accommodating various voltage sources.

Key Features

• Highly Configurable: Offers configurable setpoints to monitor and respond to transformer conditions.
• Built-in Metering: Reduces costs associated with additional metering equipment.
• Analog Inputs/Outputs: Adds functionality and flexibility.
• Special Sensor Outputs: Includes seven sensor output channels with programmable current ranges (e.g., 4 to 20 mA, 0 to 20 mA).
• Wide Power Supply Range: Accepts a control power supply range of 90 to 300 VDC and a power supply range of 70 to 265 VAC at 48 to 62 Hz.

Applications

The GE 745-W2-P5-G5-HI is ideal for managing and protecting power transformers of various sizes, from small to large.

Benefits

• High Reliability: Employs a multi-processor architecture, ensuring stable operation and high-speed performance.
• Flexibility: Its configurable setpoints and analog inputs/outputs make it adaptable to different applications.
• Cost-Effective: Built-in metering reduces auxiliary equipment costs, enhancing overall system economy.