abrupt v 中文意思是什麼
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To avoid possible accidents because of abrupt start of the machine, turn off the power to the machine when tilting the machine head or removing the belt cover and the v belt
為了防止突然的起動造成人身事故,放倒縫紉機時,或卸皮帶罩和v形皮帶時,請一定關掉電源。 -
The common mode voltage has high abrupt transformation rate because of the fast switching devices, whose dv / dt can exceed 6000 v / us. under so high dv / dt, the oil film acts as a capacitor and provides a charging mechanism for rotor shaft voltage buildup
由於變頻器的高開關頻率,導致共模電壓具有很高的電壓變化率,其dv dt可以達到6000v us以上,在如此高的電壓變化率下,潤滑油膜充當了電容的作用對轉軸進行充電,形成軸電壓。
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