half voltage motor [电] 半电压电动机
half voltage starting 半电压起动 ; 半电压启动
half-voltage 半电压
half voltage start-up mode 半压启动方式
half-supply voltage principle 半供电压原则
half-supply voltage principles 半电源电压原理
half-wave voltage [电] 半波电压
half wave voltage 半波电压
half select voltage 半选电压
This permits the SCR to control only half of the AC positive wave; half voltage is applied to the load when the SCR initially fires.
这使得SCR来控制交流正波的一半，另一半的电压施加到在SCR初始触发该负载。
DIS has its own drawbacks by having half of the plugs firing with an acceptable negative voltage, while the other half is fired by the less acceptable positive polarity.
DIS有自身的缺点，由于有一半的插头接通一个可接受的负电压，而另一半接通不太能接受的正极。
Together these four sectors accounted for more than half of all medium voltage drive revenues in 2008.
这四个行业在2008年合共占了中压电机全部销售额的一半多。
应用推荐