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唐山矿业公司是开滦矿务局的骨干企业，是具有 百年历史的大型矿山，所使用的提升设备多为８０年代前的产品。设备陈旧、技术滞后，已不能满足生产发展的需要，特别是直流提升机电控系统多为机组调速系统，是大型的耗电设备。近年来我国在矿井提升机电控技术方面发展迅速、技术
Tangshan Mining Company is the backbone enterprise of Kailuan Mining Bureau, is a large-scale mine with a history of one hundred years. Most of the lifting equipment used are products before the 1980s. Outdated equipment, technology lags behind the production and can no longer meet the needs of the development, especially DC hoist electrical control system for the unit speed control system, is a large power equipment. In recent years, China’s rapid development in electromechanical control technology of mine hoist, technology