GE SR489-P5-HI-A20-E comprehensive protection relay

GE SR489-P5-HI-A20-E comprehensive protection relay

Product Details Introduction

GE SR489-P5-HI-A20-E is a comprehensive protection relay of the SR489 series, mainly used for protection and control in power systems. This relay has high precision, reliability, and stability, and can quickly respond to and handle faults and abnormal situations in the power system, ensuring the safe and stable operation of the power system.

In terms of functionality, this relay has strong fault detection and judgment capabilities. It adopts advanced algorithms and sensor technology, which can accurately detect and judge various faults and abnormal situations in the power system, such as short circuits, overload, undervoltage, etc. When a fault or abnormal situation is detected, it can quickly cut off the faulty line, prevent the accident from expanding, and ensure the stable operation of the entire power system.

In addition, the GE SR489-P5-HI-A20-E also has multiple protection functions to meet the protection needs in different scenarios. These functions include timed overcurrent protection, inverse time overcurrent protection, zero sequence overcurrent protection, etc. Meanwhile, it supports programmable control, which can be customized and configured according to actual needs, achieving more flexible and intelligent control.

In terms of application, the GE SR489-P5-HI-A20-E comprehensive protection relay is widely used in fields such as power plants, industrial power generation, shipbuilding, and marine engineering. In power plants, it can be used to monitor the operating status of generators and protect them from the effects of overcurrent, overvoltage, power loss, and other faults. In the industrial field, this relay may be used for generator sets to ensure the stability and reliability of the power supply to factories or industrial equipment. In ships and marine engineering, it can be used to monitor the generator system on ships or offshore platforms, ensuring the safety and reliability of the power system.

In terms of hardware specifications, this relay has 5 A phase CT assistance and HI control power of 90-300 VDC and 70265 VAC (48-62 Hz). The analog output is 4 to 20 mA and has a basic display. The rated current of the fuse is 2.5 A, with a type of 5x20mm HRC SLO-BLO Littelhouse and a model of 215-02.5. The numbers in the model indicate its configuration characteristics, such as P5 for 5 A phase CT assistance, HI for high control power range, and A20 for analog output range of 4 to 20 mA.

Overall, the GE SR489-P5-HI-A20-E comprehensive protection relay is a powerful and high-performance power system protection device that can effectively improve the safety and reliability of the power system.

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