高功率因数、高效率、低噪音是电源装置和用电设备普遍追求的品质。
High power factor, high efficiency, low noise, is the character that power supply and electronic equipment pursuing.
并提出如何有效地利用电动机来拖动用电设备，提高工作效率。
How to effectively use the motor to drag electric equipment for improving work efficiency is presented.
当前低压电网无功不平衡的现象日趋严重，这不仅影响了用电设备的运行效率，而且还影响其安全运行。
At present, the reactive power imbalance of low-voltage power network is more and more serious. It not only affects the operating efficiency of equipments, but also the safe operation.
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