A digital algorithm is presented to measure electricpowers in power system in the presence of harmonics.
研究一种基于时域积分的电功率数字测量新算法。
2
These electricpowers electronics equips to make a harmonic pollution problem within the electric power system is serious gradually.
这些电力电子装置使得电力系统中的谐波污染问题日趋严重。
3
But although the tree in the lobby may appear traditional in shape and trimmings, the electricity that powers its lights is coming from a very unconventional source: an electric eel.