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配电网无功优化补偿的探讨

Research for Reactive Power Compensation of Distribution Network

【作者】 贾鹏宇

【导师】 刘连光;

【作者基本信息】 华北电力大学(北京) , 电力系统及其自动化, 2004, 硕士

【摘要】 配电网线损是电网损耗的主要组成部分。为了降低配电网的线损,需要对配电网进行无功补偿。 通过经典无功优化算法,可以比较简便的计算出在单电源配电网中最佳无功补偿容量和最佳补偿位置。本文通过对几种传统无功优化补偿方式的比较,最终选择了等面积法作为本论文的无功补偿优化的计算方法。这种方法具有通用性好、计算方便、便于编程等优点。结合对等面积法的学习,并利用实际运行的线路—北关路进行了计算。最终得到了北关路的最佳补偿容量和补偿位置。 然后本文着重对变电站集中补偿、线路分散补偿、变压器随器补偿这几种补偿方式进行了技术经济比较。结合本地区现实情况中,配电网无功主要来自配电变压器随器补偿的现实。本文提出使用线路分散补偿作为本地区无功补偿的一部分,并提出了随器补偿和分散补偿的配合方法。

【Abstract】 Power loss of distribution network accounts for the major part in the total loss of power network. Therefore, it is necessary for reactive power compensation to be adopted to decrease the loss of power distribution network.By using the classic calculation method for reactive power compensation, the optimum compensation capacity and compensation position for the network with single power can be easily defined. In this article, based on the comparison between several traditional calculation methods, the equivalence square law, which is of excellence in terms of utilization, calculation and programming, is finally selected by the author as the method for calculating reactive power compensation. The author also take the real power network-Beiguan line as an example for the utilization of the equivalence square law, and obtain the the optimum compensation capacity and compensation position for Beiguan line.Moreover, the technological & economic comparison is carried out between concentrated compensation, respective compensation and transformer compensation. The author finds reactive power compensation mainly arises from the transformer compensation. The respective compensation is suggested as a part for power reactive compensation and the coordination way between transformer compensation and respective compensation is also proposed in this article.

  • 【分类号】TM711
  • 【被引频次】6
  • 【下载频次】625
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