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GE SR745-W2-P5-G5-HI-A Transformer Protection Relay Module

Technical Specifications

  • Power Supply:
    • Control voltage range: 90–300 V DC or 70–265 V AC (48–62 Hz).
  • Environmental Conditions:
    • Operating temperature: -40°C to +60°C (-40°F to +140°F).
    • Storage temperature: -40°C to +80°C (-40°F to +176°F).
    • Humidity tolerance: Up to 90% relative humidity (non-condensing).
  • Protection Functions:
    • Differential protection, overcurrent protection, ground fault protection, thermal overload protection, frequency protection, and voltage protection.

Detailed content

  • Measurement Accuracy:
    • High-precision voltage, current, and power measurement capabilities.
  • Communication Interfaces:
    • Supports Modbus, IEC 61850, and other industrial protocols.
    • RS232 and RS422/485 ports for local and remote monitoring.
  • Logic Inputs:
    • 16 programmable logic inputs for custom configuration.
  • Installation:
    • Panel or DIN rail mounting options.

Functional Features

  • Multi-Function Protection:
    • Combines multiple protection functions in a single module to reduce system complexity.
  • High Reliability:
    • Designed with redundant power inputs and robust hardware to ensure stable operation in harsh environments.
  • User-Friendly Interface:
    • Features an intuitive interface for easy configuration and operation.
  • Remote Monitoring:
    • Enables real-time data transmission and remote control via supported communication protocols.
  • Diagnostic Capabilities:
    • Built-in self-diagnostics and event logging for quick troubleshooting.
  • Modular Design:
    • Facilitates easy maintenance and scalability for future upgrades.

Application Scenarios

  • Power Systems:
    • Protects main transformers in substations and power generation plants.
  • Industrial Automation:
    • Safeguards large transformers in manufacturing facilities, steel mills, and chemical plants.
  • Energy Sector:
    • Ensures reliable operation of transformers in oil and gas refineries, renewable energy systems, and mining operations.
  • Transportation:
    • Used in railway power systems and intelligent traffic management for transformer protection.
  • Building Automation:
    • Integrates with HVAC and lighting systems in commercial buildings for energy management and safety.

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