GE 489-P5-HI-A1-E Generator Protection System Series Modules

GE  489-P5-HI-A1-E  generator protection system series modules

The GE 489-P5-HI-A1-E module is a generator protection system series module, featuring strong power adaptability, comprehensive protection functions, and convenient communication, suitable for various industrial scenarios. The specific analysis is as follows:

Advantages of Performance ParametersWide-Range Power Input

• The control power supply is 90-300VDC or 70-265VAC. This wide voltage input range enables it to adapt to multiple power environments, operate stably in different power systems, and reduce the risk of failures caused by power voltage fluctuations.

Standard Current Transformer Adaptation

• The phase current transformer is 5A, conforming to common current specifications of power systems. It facilitates integration with most conventional current measurement and protection devices, ensuring easy system integration.

Good Insulation and Protection

• With an insulation voltage of 300V, it effectively prevents electrical insulation breakdown, safeguarding equipment and personnel safety. The protection class is IP20-X, which prevents the intrusion of solid foreign objects larger than 12mm, making it suitable for general indoor electrical environments.

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Outstanding Functional FeaturesRich Protection Functions

• Inheriting the protection characteristics of the GE Multilin 489 series, it has multiple protection functions such as generator stator differential protection and 100% stator ground fault protection. It provides comprehensive protection against various potential faults of the generator, effectively ensuring the safe operation of the generator and reducing equipment damage and downtime.

Convenient Analog Output

• Equipped with 0-1mA analog output, it can transmit monitored electrical parameters to other devices, facilitating data collection and system integration. This helps achieve overall monitoring and analysis of the power system.

Diverse Communication Interfaces

• Equipped with RS232 and RS485 ports, it supports industrial standard communication protocols. It enables convenient data interaction with other devices or systems, realizing functions such as remote monitoring, parameter setting, and fault diagnosis, which facilitates remote management by operation and maintenance personnel and improves work efficiency.

Humanized Display and Operation

• Featuring a user-friendly large front-panel interface, it allows real-time power monitoring and setpoint access. The display is clearly readable even under direct sunlight, enabling operators to view operating parameters and make settings in various environments, reducing operation difficulty and the risk of misoperation.

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Wide Range of Application ScenariosPower Production Field

• Suitable for medium and small power plants and distributed energy stations, it can protect and monitor gas turbines, diesel generators, etc., ensuring the stability of their grid-connected or off-grid operation.

Power Transmission Field

• Can be used in substations and power transmission systems as transformer backup protection. It monitors ground faults through zero-sequence current and can network and communicate with other protection devices to achieve collaborative protection.

Industrial Production Field

• In industries such as petroleum, chemical, and metallurgy, it can protect key motors such as compressors and rolling mill drive motors. It quickly responds to faults such as motor locked rotor and overload, avoiding production process interruptions.

Infrastructure Field

• Can be applied to municipal engineering and infrastructure, such as urban water supply pumping stations and sewage treatment plants. It automatically controls motor start and stop according to water levels and supports unattended monitoring, ensuring the continuity of urban water supply/drainage.

Special Application Fields

• In data centers, it ensures the reliable operation of backup diesel generators. In marine and offshore engineering, it meets the protection needs of main generators, propulsion motors, etc., in harsh marine environments. In renewable energy and microgrid systems, it maintains the frequency and voltage stability of microgrids.