Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.

通过计算和分析表明：变压器中性点接入小电抗对系统的操作过电压基本不会产生影响。

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SVC is used in power system for the purpose of reactive power support and voltage control. Wide area measurement system (WAMS) has been widely used in modern power systems.

SVC已经广泛应用于电力系统的无功支持和电压控制，广域测量系统在国内外也已有许多工程应用。

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The simulating studies indicate the proposed excitation controller can improve the accuracy of voltage control and strengthen the stability of electric power systems.

仿真研究表明：所论模糊励磁控制器可以提高发电机的电压控制精度和电力系统的稳定性。

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