Li Chenghan

Li Chenghan

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Born in August 1949 in Changsha, Hunan Province. senior engineer. At present, he is the chief engineer of Hubei electric machinery factory and the director of Hubei electric machinery technology center.

Mainly engaged in motor speed control and energy saving research, CAD design, special motor development and design and pole changing motor theory research. Research and design of fan, pump load variable speed energy-saving motor, fill the domestic blank. The effect of power saving is remarkable. Won provincial and municipal new product awards. Research and completion of multi speed motor optimization design software, won the first prize of modern management achievements of municipal machinery bureau. The main drive motor of high temperature resistant industrial heat treatment furnace is designed to replace the imported motor and save a lot of foreign exchange. Participated in the research of "design method of phase change pole winding" and won the third prize of national invention. The main papers are "YDT series new pole changing multi speed motors" and "the relationship between branches in pole changing scheme". He won the third prize of provincial science and technology progress and the second prize of Municipal Science and technology progress. In 1993, he was granted special allowance by the State Council. Baidu Encyclopedia content is shared by netizens. If you find that your data content is inaccurate or incomplete, you are welcome to use your own data service (free) to participate in the correction. Go to > > now