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Harmonics are periodic distortions of voltage, latest, or electricity sine waves. Harmonics in power distribution programs will often be brought on by non-linear masses for example switched mode dc electrical power supplies and adjustable speed motor drives. Đồ họa thiết kế bắt mắt, biểu tượng sắc nét hấp dẫn, kích https://hectorzmwfo.iyublog.com/25684408/new-step-by-step-map-for-đá-gà

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