alternating current of electricity

基本解釋

The utility model relates to an electricity-saving device of an electromagnet, which carries out retention by alternating current.
本實(shí)用新型涉及一種以交流吸持的電磁鐵之節(jié)電裝置。
ip.com
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.
無功功率是交流電力系統(tǒng)設(shè)計和運(yùn)行中的一個重要因素，為了減少電能損失，需要在電力用戶端與電力系統(tǒng)的變電所內(nèi)合理配置一定的無功補(bǔ)償裝置。
Or electricity. In the early 1900s, after the standardization to alternating current distribution, hundreds of small electric utilities were consolidated into huge holding companies.
再舉一個電力方面的例子，早在1900年，交流電標(biāo)準(zhǔn)發(fā)布以來，成千上萬的小型電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.
FORBES: Companies, People, Ideas