alternating current power

基本解释

The power supply can be 220V alternating current power supply or direct current power supply of rechargeable accumulators.
电源可以是220V交流电源或可充电蓄电池直流电源；
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In a normal alternating current power system, the voltage varies sinusoidally at a specific frequency, usually 50 or 60 hertz.
在一个正常的交流电力系统，正弦电压变化在特定的频率，通常是50或60赫兹。
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
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