The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.
通常的方法就是使用整流器---一种把交流电转换为直流电的装置。
Battery CHARGER, an electrical device supplied with alternating current, which produces a direct current output for charging the battery on the airplane.
电瓶充电器，用交流电向飞机内电瓶充电的电气装置。带有交流电的电气装置，该装置产生直流电向飞机上的电瓶充电。
The features and application scope of different alternating and direct current motors used as the drive device of gear pump were compared.
对比了使用不同类型的交、直流电机作为齿轮泵驱动装置的特点和应用范围。
This simple device is the prototype of the commercial alternating current generator or alternator.
这个简单装置就是商用交流发电机的原型。
The device includes a plurality of probes in the alternation magnetic field for inducing the alternating magnetic field to generate the induced electromotive force;
该装置包括位于所述的交变磁场中的多个探头，用来感应所述的交变磁场以产生感应电动势；
Alternating-direct-alternating circuit is adopted and CPLD is used as logic control device of power IGBT in main circuit of variance-frequency timing system.
变频调速系统主电路采用交-直-交形式，以可编程逻辑器件(CPLD)作为调速系统逆变电路功率开关器件IGBT的逻辑控制器件。
The utility model relates to an electricity-saving device of an electromagnet, which carries out retention by alternating current.
本实用新型涉及一种以交流吸持的电磁铁之节电装置。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
The utility model relates to a power saving device for an alternating current contactor, composed of a casing, a starting system and a maintaining system.
本实用新型是一种交流接触器的节电器，由壳体、启动系统、维持系统组成。
The method and the device acquire and judge the alternating current directly, shorten the signal acquisition time and the protective time during overcurrent.
本发明直接对交流电流进行采集和判断，缩短了信号采集时间和电流过流时的保护时间。
The design of locking device is one of the difficult points in the whole design of mechanism with alternating motion.
锁闭装置的设计是整个往复运动机构设计的一个难点。
The design of locking device is one of the difficult points in the whole design of mechanism with alternating motion.
锁闭装置的设计是整个往复运动机构设计的一个难点。
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