Abstract: The contact within an ac contactor plays a crucial role and is susceptible to failure. The electrical wear degradation process of contacts is characterized by dynamic changes. The accurate ...

I learned this lesson the hard way on a bottling line that kept tripping out during peak production. The motor was fine, the overloads were fine, but the contactor looked like it had been through a ...

When designing equipment with switching functions, most engineers find that switching high currents and high voltages is a major problem. A solid-state solution may be possible, but it’s complex and ...