The contact voltage-drop of counterpart contacts in the closing course of electromagnetism relay is observed and recorded in its failure test using dynamic contact resistance measurement system.
用动态接触电阻测量系统进行了电磁继电器失效检测试验,检测了其触点闭合过程的接触压降。
2
Opening and closingof the contact points creates induced voltage.
触接点的开启与闭合产生感应电压。
3
The traditional control cabinet of oil-pumping unit is using continuous electricity contact system through the mechanical touching point by closing and opening to achieve the circuit's "on" and"off".