Abstract: This paper introduces the working pinciples of the electro-economizer,in which either alternating or direct current voltage can be input with the adaption to the operating coils of contactor, steady direct current is output,and voltage auto-conv
Abstract: This paper introduces the working pinciples of the electro-economizer,in which either alternating or direct current voltage can be input with the adaption to the operating coils of contactor, steady direct current is output,and voltage auto-conv
文摘:论述了与交流接触器操作线圈适配的交直流输入(操作)电压通用，恒直流输出，吸合与保持电压无触点自动转换节电器的工作原理。