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.

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。

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And the transformer can carried out the analysis and calculation of harmonic, phase discrimination, power factor, active and reactive power together with PC.

该互感器与PC机配合，可完成电力系统的谐波分析、鉴相、功率因数及有功、无功功率的分析计算。

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A static var compensator of hybrid transformer type, which has both capacitive and inductive reactive power, is also presented in this paper.

在此基础上，进一步提出了同时具有容性和感性无功补偿能力的混合变压器式静止无功补偿器。

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