game bà i Things To Know Before You Buy
Harmonics are periodic distortions of voltage, current, or ability sine waves. Harmonics in electric power distribution devices tend to be a result of non-linear loads for example switched method dc power materials and adjustable speed motor drives. Giải má»›i (bao gồm tất cả giải nà o có sá»± thay đổi, cáºp nháºt má»›i hoặc Ä‘iá