In order to limit currents, a two phase voltage is applied to an induction machine in rotating state after a brief power outage before full voltages are gradually provided via thyristor switch.

　
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  • 對于旋轉狀態(tài)的感應電機，在短暫斷電后重新接入電源時(shí)，為了限流，經(jīng)過(guò)晶閘管開(kāi)關(guān)首先接通兩相電源施加部分電壓，然后逐步過(guò)渡到全壓。
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