The common methods of compensating reactive power are introduced to raise the power factor of electric equipment, such as those of using synchronous motors and parallel capacitors.

介绍采用同步电动机和并联电容器进行无功补偿等常用的无功功率补偿方法，以提高用电设备的功率因数。

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Aiming at extreme alternative in contractor selection of ship equipment maintenance, the method of compensating an alternative the overall ranking score for its individual attribute values is used.

针对舰船装备维修承包商选择中出现的极端选项问题，尝试综合承包商个别属性评价值和整体评价值的方法来解决此问题。

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