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针对接触器控制抱闸极易烧损触点,造成抱闸失效的问题,简要介绍武钢炼铁总厂1号高炉主卷扬抱闸控制系统,以西门子SIMOREG 6RA70全数字直流调速装置来控制抱闸。
Aiming at the problem of brake failure caused by the contactor control brake, the control system of the main hoist brake of No.1 BF in WISCO is briefly introduced. It is controlled by Siemens SIMOREG 6RA70 full digital DC speed control device Brake.