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首页> 外文期刊>International Transactions on Electrical Energy Systems >Modified branch exchange reconfiguration of active distributed network for simultaneous loss reduction and power quality improvement
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Modified branch exchange reconfiguration of active distributed network for simultaneous loss reduction and power quality improvement

机译：主动分布式网络的修改后的分支交换机重新配置，以同时减少损耗和改善电能质量

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摘要

Traditionally active power loss and power quality issues are major concerns in distribution network management. Nowadays, these concerns become more important by integrating distributed energy resources (DERs) in the networks. Network reconfiguration has been adopted as an effective remedy. In this paper, loss reduction and improvement of power quality indices such as total harmonic distortion (THD) and voltage sag are modeled as a multi-objective problem. The function is weighted sum of terms, which are dealt with each objective. To solve the problem, branch exchange method for the network reconfiguration is modified. In the proposed algorithm, branch exchange operation iterates sequentially. Then, the yielded solution is compared with the best one that has been saved in the memory unit. Because memory is utilized in the method, it is called retentive branch exchange. Application of the proposed method is validated by planning and simulating six scenarios for an unbalanced radial 25-bus network. For different operation conditions and power quality disturbances, simulation results show high ability and effectiveness of the proposed method.
机译：传统上，有功功率损耗和功率质量问题是配电网管理中的主要问题。如今，通过在网络中集成分布式能源（DER），这些问题变得越来越重要。网络重新配置已被采纳为有效的补救措施。在本文中，减少损耗和改善电能质量指标（例如总谐波失真（THD）和电压骤降）被建模为一个多目标问题。该函数是术语的加权和，涉及每个目标。为了解决该问题，修改了用于网络重新配置的分支交换方法。在提出的算法中，分支交换操作按顺序迭代。然后，将得出的解决方案与保存在存储单元中的最佳解决方案进行比较。由于在该方法中使用了内存，因此称为保持性分支交换。通过规划和仿真不平衡径向25总线网络的六个方案，验证了该方法的应用。针对不同的运行条件和电能质量扰动，仿真结果表明了该方法的高能力和有效性。

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