GE SR489-P5-HI-A20-E

Product Description

The GE SR489-P5-HI-A20-E is a high-performance generator management relay designed for the protection and control of small and medium-sized generators. It is part of the GE Multilin 489 series and offers comprehensive protection, control, and advanced communication capabilities. This relay is equipped with advanced microprocessor technology to monitor the generator’s operating status in real-time and take appropriate actions to prevent potential faults.

Product Parameters

Phase Current Input: 5A phase CT secondary
Control Power: 90-300VDC and 70-265VAC at 48-62 Hz
Analog Output: 4 to 20 mA
Digital Inputs: 7 assignable digital inputs
Communication Interfaces: RS232, RS485, 10Mbps copper Ethernet
Protocols Supported: Modbus RTU, Modbus TCP/IP, DNP 3.0

Product Specifications

Display: Enhanced LCD display
Protection Functions:
- Generator stator differential protection
- 100% stator ground protection
- Loss of field protection
- Distance backup protection
- Reverse power protection
Metering Functions: Current, voltage, power, energy, frequency, power factor
Temperature Monitoring: 12 RTD inputs
Vibration Monitoring: 4 analog inputs
Event Recording: 256 time-stamped events
Waveform Capture: 12 samples per cycle, up to 128 cycles

Series

The SR489-P5-HI-A20-E belongs to the GE Multilin 489 series, known for its advanced generator management capabilities.

Features

High Reliability: Suitable for high-noise industrial environments and mission-critical power systems.
Ease of Use: Equipped with industry-leading software tools and supports local keyboard operation.
Advanced Protection and Monitoring: Includes stator and bearing temperature monitoring, vibration monitoring.
Flexible Configuration: Supports multiple communication protocols and interfaces, making it easy to integrate into existing or new monitoring and control systems.
Quick Troubleshooting: Enhanced generator troubleshooting capabilities through IRIG-B time-synchronized event recording, waveform capture, and data logger.

Functions

Generator Protection: Provides comprehensive protection functions to ensure safe shutdown of the generator in abnormal conditions.
Real-Time Monitoring: Monitors the generator’s operating status in real-time and supports remote data access and engineering access.
Fault Detection and Diagnostics: Reduces troubleshooting time through detailed diagnostic information.

Uses

Small and Medium-sized Generators: Suitable for synchronous or induction generators operating at 25Hz, 50Hz, or 60Hz.
Cogeneration Applications: Can be used as primary or backup protection.
Industrial Automation: Integrates into DCS and SCADA systems for intelligent management.

Application Fields

Power Industry: Power plants, substations.
Industrial Manufacturing: Motor protection in production lines.
Energy Management: Monitoring and management of distributed energy systems

GE Multilin 489-P5-HI-A20-E - Motor Management Relay