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1 引言 在水轮发电机安装或大修中,广泛采用电动盘车以便仔细地调整机组轴线。电动盘车需要一种调节范围宽,切换能力强,并具有恒流特性的大电流电源(大电流发生器)。为
1 INTRODUCTION In the installation or overhaul of hydroelectric generators, electric disc carts are widely used to carefully adjust the unit axis. Electric disc drives need a wide range of adjustment, switching capability, and with constant current characteristics of the high-current power supply (high-current generator). for