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dian han ji kong zai zi dong ting dian qi
Author(s): 
Pages: 32-33
Year: Issue:  3
Journal: Welding Technology

Keyword:  交流弧焊机交流接触器控制变压器焊接工作制造成本次级回路主触头电压传感器引弧电动式;
Abstract: <正> 目前我厂使用的电焊机空载自动停电器有:AX—320型直流弧焊机空载自动停电器和BS—330型交流弧焊机空载自动停电器二种。这些空载自动停电器主要由控制变压器KB,交流接触器1C、2C和电动式时间继电器SJ等元件组成。整个装置因元件较少,制造容易,并且制造成本低廉(每台约100元左右);又因线路简单,维修、操作均很方便,特别采用SJ这个元件后,
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