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1 简述连云港港务局第三港务公司原有两台M25t/23m-16t/35m门座式起重机,其电控系统采用芬兰KONE公司ACE系列交流异步电机定子晶闸管调压调速。在十几年的使用中,与其它门机比较,存在故障频率高和购买备件、维修费用不断增加(原调节器中各板块价格逐年上涨)等多种因素的变化。现在,在两台门机的大修之际,我们对其中一台门
1 Brief description Lianyungang Port Authority Third Harbor Company original two M25t / 23m-16t / 35m portal cranes, the electronic control system uses the Finland KONE ACE series AC induction motor stator thyristor speed regulator. In more than ten years of use, compared with other door machines, there are many factors such as high failure frequency and the purchase of spare parts, and the increasing maintenance costs (the price of each plate in the original regulator increases year by year). Now, on the occasion of the overhaul of the two door machines, we are on one of the doors