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Harmonics are periodic distortions of voltage, present, or ability sine waves. Harmonics in electricity distribution devices will often be brought on by non-linear loads for instance switched method dc electricity supplies and adjustable speed motor drives. Nạp ít nhất ten điểm thì bạn sẽ được nhận tặng thưởng từ hệ https://xsmintrung15476.free-blogz.com/73290339/article-under-review

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