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首页> 外文期刊>Electric power systems research >Best location of SVC to improve first swing stability limit of a power system
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Best location of SVC to improve first swing stability limit of a power system

机译：SVC的最佳位置，以改善电力系统的第一摆动稳定性极限

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While the primary purpose of a static var compensator (SVC) is to regulate bus voltage, it can also improve stability and damping of a power system if located appropriately. This paper proposes a method of determining the location index of a SVC in a multi-machine system to improve the first swing stability limit of the system. Based on the concept of transient energy function method, the location index of a SVC is considered to be the additional critical energy supported by the SVC and is computed through controlling unstable equilibrium point and potential energy boundary surface methods. In computing the critical energy, the SVC is represented by its susceptance at the verge of stability and which can be justified by carefully observing a recent control strategy of SVC used to improve the first swing stability limit of a power system. The effectiveness of the proposed location index of SVC is then tested on the 10-machine New England system and the 20-machine IEEE test system. Results obtained by the proposed method are then verified by comparing the critical clearing time obtained through time domain simulations of system dynamic equations.
机译：静态无功补偿器（SVC）的主要目的是调节母线电压，但如果放置得当，它也可以提高电源系统的稳定性和阻尼。本文提出了一种在多机器系统中确定SVC的位置指标的方法，以提高系统的第一摆动稳定性极限。基于暂态能量函数方法的概念，SVC的位置指数被认为是SVC支持的附加临界能量，是通过控制不稳定平衡点和势能边界面方法计算得到的。在计算临界能量时，SVC以其对稳定性的敏感性表示，可以通过仔细观察最近用于改善电力系统第一摆动稳定性极限的SVC控制策略来证明其合理性。然后在10台计算机的New England系统和20台计算机的IEEE测试系统上测试了SVC所建议的位置索引的有效性。然后，通过比较通过系统动态方程的时域仿真获得的临界清除时间，验证通过该方法获得的结果。

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