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An enhanced under-voltage load-shedding scheme to provide voltage stability

机译:增强的欠压减载方案可提供电压稳定性

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摘要

Under-voltage load shedding is one of the most important tools for avoiding voltage instability. In this paper, an optimal load-shedding algorithm is developed. This approach is based on the concept of the static voltage stability margin and its sensitivity at the maximum loading point or the collapse point. The traditional load-shedding objective is extended to incorporate both technical and economic effects of load shedding. The voltage stability criterion is modeled directly into the load-shedding scheme. The proposed methodology is implemented over the IEEE 14 and 118 bus test systems and solved using a mathematical (GAMS/CONOPT) and two heuristic (PSO and GA) methods. The heuristic techniques are employed only to validate the results.
机译:欠压减载是避免电压不稳定的最重要工具之一。本文提出了一种最优的负载分担算法。该方法基于静态电压稳定裕度及其在最大负载点或崩溃点的灵敏度的概念。传统的减负荷目标已扩展到兼顾减负荷的技术和经济效果。电压稳定性标准直接建模为减载方案。所提出的方法是在IEEE 14和118总线测试系统上实施的,并使用数学(GAMS / CONOPT)和两种启发式(PSO和GA)方法进行了求解。启发式技术仅用于验证结果。

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