alternating_current_power_system

1.The system generates a direct current, so using it to power DC devices locally is more efficient than switching to the alternating current needed to feed it back to the grid.
该系统产生的电流为直流电，所以用来驱动本地的直流点装置比将其转化为交流电输入电网来的更有效率。
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2.AC fault security power source system is to provide alternating current for unit safety shutdown when power cut happens for a long time due to power grid failure or other reasons.
交流事故保安电源系统是当电网发生事故或其他原因致使火电厂厂用电长时间停电时，提供机组安全停机所必需的交流用电系统。
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3.With the alternating current that flows through the power distribution system, the superconducting cables do suffer some losses of energy.
对于输电系统输送的交流电，超导电缆在传导时确实会损失一些能量。
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