变频调速在水电站门式起重机中的应用

Application of Frequency Converter in Gantry Crane of Water Power Station

论述了变频器在水电站坝顶大吨位门式起重机主起升机构中的应用，通过理论分析和负载试验对系统进行了全面分析，得出了变频器在水电站门式起重机使用中的选型要求。

This paper discusses the applications of the frequency converter used in the main hoisting of a large tonnage gantry crane on the top of the dam of water-power station,analyzes the systems thoroughly by means of theories and load tests,and draws the selection of frequency converter