alternating current of electricity

基本解释

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。
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Workless power is an important factor in designing and running of alternating current system. A compensation device is needed in substation and the end users to save electricity.
无功功率是交流电力系统设计和运行中的一个重要因素，为了减少电能损失，需要在电力用户端与电力系统的变电所内合理配置一定的无功补偿装置。
Or electricity. In the early 1900s, after the standardization to alternating current distribution, hundreds of small electric utilities were consolidated into huge holding companies.
再举一个电力方面的例子，早在1900年，交流电标准发布以来，成千上万的小型电力公司合并成了大型的控股公司。

Almost all of the electricity moved over grids is in the form of alternating current.
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