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Electric Feed Pumps in the Domestic First 600 MW Power Gener

Date: 2016-12-29
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On December 28, 2016, the energy saving renovation project of the variable frequency speed control system for electric feed pumps in the domestic first 600 MW power generation unit of Shanxi Tashan Power Co., Ltd., which was designed and implemented by Guangzhou Zhiguang Energy-saving Co., Ltd. ("Zhiguang"), was put into operation and passed the required verifications successfully. Its energy saving effect met the expectations. The anticipated mean annual power conserved would be more than 20,000,000 kWh, equivalent to approx. 1% reduction in the plant power consumption.

 

Electric Feed Pumps in the Domestic First 600 MW Power Gener

  

Zhiguang made its best endeavors in the performance of such project and united its professional teams in electrical and mechanical engineering, thermal control, cooling and civil works to fulfill bold innovation in a professional manner. Finally, it broke through numerous technological barriers and set another good record in the energy conservation field of feed pump systems of power plants.
    
In this project, the 14,000 kVA/10 kV ultra-large capacity HV frequency converter independently developed, designed and manufactured by Zhiguang Electric was applied. It was the first time that a domestic largest-capacity HV frequency converter was applied in such 600 MW unit. Moreover, this project was the first case in which the hydraulic couplers for feed pumps in such 600 MW project were replaced with speed-increasing gearboxes. The overall solution was rigorous and science-based. The remote online monitoring system was installed and utilized for the first time. Such perfect technological transformation scheme ensured the safety, stability, and energy conservation effect of the whole project.
 

Electric Feed Pumps in the Domestic First 600 MW Power Gener

  

With low input, high safety and considerable profits, such renovation technology for energy conservation and efficiency improvement was another of Zhiguang's innovations after its successful energy saving renovation project of electric feed pumps for a 300 MW unit in 2012. It would be a new start for the development of energy conservation technologies for 600 MW and above power generation units.

 

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