This article mainly introduced the,stator regulating speed control system in metallurgical crane of the application,com-pared with traditional wound rotor motor rotor resistance speed control system,the advantages and disadvantages of both.% 本文主要介绍了，定子调压调速系统在冶金起重机上的应用，相对于传统的绕线式电动机转子串电阻调速系统，两者的优缺点。
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