保持电压 meaning in English

keeper voltage
sustaining voltage

After the emergency stop button has been pressed , the machine is immediately stopped . the control box remains under voltage . each movement is prevented until the emergency stop button is unlocked
在紧急停车按钮被按之后,机器立即停止运动.控制箱保持电压,每个运动被阻止.直到紧急停车按钮被释放
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 - converting is absorbed and kept withno contacting point
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。
The operation principleresult of saving power ， mate rial and reliability of ac and dc usual auto - converting saving power instrument are expounded , which the operation - coil of ac contactor given ac and dc voltage is usual , output is even dc , on and off and keeping voltage non - contactor auto - convert
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；接触器配用节电器后的节能节材效果及节电器的可靠性。