Electric saver can improve the power factor, reducing input current, lighting the transformer's load, and increasing efficiency and transformer's volume.

提高功率因数，降低输入电流，减轻了变压器的负荷并提高了效率，增大了变压器的容量。

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Application of power electron device results in decreasing of natural power factor of electric power system.

电力电子装置的应用，使电力系统的自然功率因数下降。

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Operating principle of power factor compensating device for 8k electric locomotive is briefly described as well as its parameter selection, switching on and off control.

本文概述了8 K机车功率因数补偿装置的工作原理、参数选择及投切控制。

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The electric power grid depends on metering perhaps more than any other single factor.

FORBES: Not-So-Smart Meters Overbilling Californians