Vim li cas vim li cas lub raj cua sov xav tau ib tug relay

Thaum muaj kev tswj cov motors tau pib thiab nres, AC cov neeg tiv thaiv ib txwm siv {}}}}} pa bibays {2} Vim li cas tsis siv cov neeg ua haujlwm?

Yog tias tsis muaj qhov tshwj xeeb rau cov raj cua sov hluav taws xob tsawg, lawv tuaj yeem tswj hwm los ntawm kev tiv tauj, thiab cov khoom siv pheej yig, thiab cov kev pabcuam lub neej yog luv.

Lub raj cua kub khov-lub xeev relay (khov-xeev relay, uas tuaj yeem ua kom tau lub suab nrov uas tsis muaj kev sib cuag effe .

Nws raug nquahu kom siv lub xeev rov qab.}}}} Thaum pawg cua sov yuav tsum tau muab .