他们能在不牺牲性能及操纵范围（能力）的的情况下显著提升燃油经济性，也可以提高功率并给电力装置和动力工具提供附加的辅助动力。
They can significantly improve fuel economy without sacrificing performance or driving range, and may also increase power and provide additional auxiliary power for electronic devices and power tools.
合理的无功就地补偿和选择变压器容量可以降低损耗，提高系统运行的经济性，是电力需求侧管理的重要内容。
Rational planning of local reactive compensation and transformer capacity is very important for demand side management to reduce power losses and improve the economical power system operation.
中性点运行方式关系到电力系统运行的安全性、经济性和可靠性。
The running mode of neutral point of distribution network influences on security, economy and reliability of power system.
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