大功率直流传动装置输入电压降低时的对策

Solutions on input voltage decreasing of big-power DC drive devices

介绍了电网电压的降低对大功率直流传动控制器的影响 ,并以6RA70多装置并联构成的系统为例 ,分析了电网电压的降低可能造成的危害 。

The abrupt reducing inlet voltage of DC controller is introduced.Take example for6RA70controller which are paralleled using at the most,the harm of decreasing inlet voltage is analyzed,The solutions are also put forward.