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The appraisal team composed of experts from the Chinese Academy of Engineering Yao Fusheng and Tsinghua University professor Li Fahai believes that its "technical performance has reached the international advanced level", it is recommended to further optimize the design, reduce costs, increase promotion efforts, and form a market scale as soon as possible.
The electric motor is the most important electric power consumption equipment. In China, only the electric energy consumed by small and medium-sized electric motors accounts for more than 60% of the national power generation. At present, the mainstream of the market is the variable frequency speed control technology with large power consumption. As a hot topic in the field of contemporary electric transmission, many research units in China have been working on switching reluctance motor technology since the 1980s, but they have been slow.
After more than three years of hard work, the switch-type reluctance motor speed control system developed by Shandong Kehui Electric Co., Ltd. and Shandong University of Technology and other units has been successfully applied in Shandong Xinhua Pharmaceutical Co., Ltd. and Zibo Thermal Power Co., Ltd. And passed the national small and medium-sized motor quality supervision and inspection center's comprehensive performance test, was listed by the National Development and Reform Commission as the key energy-saving products recommended during the "Eleventh Five-Year Plan" period.
China's research and development success of new motor speed control system
In the case of frequent changes in speed and load, a new type of motor speed control system that can make the overall power saving rate of the motor reach 5% or more--the switch type reluctance motor speed control system has passed the expert appraisal recently, marking the motor speed regulation in China. The technology has made important progress, and the electric motor, which is a "power-hungry household", is expected to further realize energy conservation.