Description
GE SR750-P5-G5-S5-HI-A20-R-T Technical Specifications:
- Input Rating: 5 A Phase, 5 A Zero-Sequence, 5 A Sensitive Ground.
- Control Power: 88-300 VDC / 70-265 VAC.
- Analog Outputs: 4 programmable 20-<> mA outputs.
- Communication: Supports remote monitoring via network or serial interfaces.
Functional Features:
- Generator Health Monitoring: Tracks generator-specific parameters to predict maintenance needs and prevent catastrophic failures.
- Automation Logic: Executes automated sequences such as backup generator transfer and synchronization.
- Event Recording: Detailed timestamped logging of generator startup, synchronization, and fault events.
- Customizable Setpoints: Extensive menu structure for tailoring protection to specific generator characteristics.
Application Scenarios:
- Standby and prime power generator protection.
- Cogeneration and combined heat and power (CHP) systems.
- Critical facility backup power management.
Performance Parameters:
- Synchronization Accuracy: Precise voltage, frequency, and phase angle matching for seamless generator paralleling.
- Reliability: Designed for continuous operation in demanding generator environments.
- Diagnostics: Advanced self-testing and external sensor monitoring.
Material Composition & Structural Characteristics:
- Chassis: Standard SR750 drawer-style enclosure.
- Firmware: Specialized generator protection and control algorithms.
- Interface: Full front-panel control with LCD and keypad.
Working Principle: In addition to standard feeder protection, this relay monitors generator-specific inputs (e.g., field current, shaft voltage, reverse power). It uses these inputs to enforce safe operating limits, manage load sharing with other generators, and execute automated start/stop sequences based on utility availability or facility demand.
Installation Requirements:
- Sensor Integration: Connect all required generator sensors (temperature, pressure, speed) to the appropriate inputs.
- Communication Setup: Configure network parameters for remote generator monitoring.
- Testing: Perform comprehensive functional testing of all automation and protection logic before commissioning.
Usage Precautions:
- Generator Safety: Ensure all protection settings align with the generator manufacturer’s recommendations to prevent mechanical damage.
- Remote Access: Secure remote communication channels to prevent unauthorized control of critical power assets.
- Maintenance: Regularly verify the accuracy of generator-specific measurements and automation sequences.
