The primary power supply is powered from the mains supply and energizes a lumped coil; the current ranges anywhere from 5 to125 amps.
主要的电力供给是来自市电电源并通过一个集合线圈激发；电流范围从5到125安培。
Mains electricity in America is supplied as alternating current at 60 Hertz.
在美国，主要供应频率为60赫兹的交流电。
Carrier current systems use the power line mains to transfer information between remote locations.
电力线载波通信系统利用电力线来实现远程数据传送。
Inrush current limiting resistors are designed to withstand these surges but to fuse safely should a fault occur, for example if a capacitor were to go short resulting in a mains short circuit.
浪涌电流限制电阻的设计足以接受这些激增，但引信平安应毛病发作，例如，假如一个电容，分别去短，形成一水管短路。
Inrush current limiting resistors are designed to withstand these surges but to fuse safely should a fault occur, for example if a capacitor were to go short resulting in a mains short circuit.
浪涌电流限制电阻的设计足以接受这些激增，但引信平安应毛病发作，例如，假如一个电容，分别去短，形成一水管短路。
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