Description
The GE SR489-P5-HI-A20 is a generator management relay, specifically designed and manufactured by GE Multilin for the 489 series. Here is a breakdown of its parameters, specifications, dimensions, weight, series, features, and functions in English:
Parameters and Specifications:
Phase CT Secondary: It has 5 A phase CT secondary.
Control Power: The HI version operates on 90-300 VDC and 70-265 VAC with a frequency range of 48-62 Hz.
Analog Output: It provides a 4 to 20 mA analog output.
Display: It features a basic display.
Dimensions and Weight:
Exact dimensions and weight may vary slightly, but generally, it is a compact relay suitable for various installation scenarios. Please refer to the official datasheet or manufacturer’s specifications for precise measurements.
Series:
It belongs to the SR489 series of generator management relays.
Features:
Precision and Reliability: The relay offers high precision and reliability in detecting and managing various generator parameters.
Protection Functions: It can monitor various generator parameters, such as voltage, current, frequency, and power. When these parameters exceed safe limits, the relay triggers protective actions to prevent damage to the generator.
Control Functions: It also controls the generator’s startup, shutdown, and switching operations based on preset logic or external signals, ensuring stable power system operation.
Programmability: The relay is programmable, allowing users to set parameters and logic based on specific application needs.
Functions and Applications:
Monitoring and Protection: The GE SR489-P5-HI-A20 is used to monitor and protect generators in power systems. It detects faults and abnormalities, such as short circuits, overloads, and undervoltage conditions, and initiates protective actions to prevent damage or system failure.
Control and Automation: It also controls the generator’s operation, providing a means to start, stop, and switch between different operating modes based on system requirements.
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