一种考虑中压母线控制效益的调压方法

Weijian Su, S. Ouyang
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引用次数: 0

摘要

针对中压配电网调压方案刚性和无功补偿资源不足的问题,提出了一种兼顾控制效益的中压母线调压方法。首先根据同一母线上各用户的电压质量、功耗和电气稳定性进行估计,确定用户优先级的评价指标。采用改进的熵值法确定指标权重;提出了控制效益的定义,用于量化在某一调节方案下所有用户电压质量的改善。然后根据控制效益对各种调节方案进行排序,筛选出在有限资源和手段下,能使所有用户电压质量最大化的方案。最后通过一个算例验证了该方法的实用性和有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Voltage Regulating Method Considering the Control Benefit for Medium-voltage Bus
Aiming at the rigidity of voltage regulating scheme and the lack of reactive power compensation resources in medium-voltage distribution networks, a voltage regulating method for medium-voltage bus which considering the control benefit is proposed. First of all, each user in the same bus is estimated by its voltage quality, power consumption and electrical stability, and the evaluation indexes of user’s priority are determined. The improved entropy method is applied to determine the index weights; and the definition of control benefit is proposed, which is used to quantify the improvement of voltage quality of all users under a certain regulating scheme. Then various regulating schemes could be sorted according to their control benefits, and a scheme which can maximize the voltage quality of all users under the limited resources and means could be screened out. Finally an example is given to prove the practicability and effectiveness of this method.
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