| 引用本文: | 刘皓明,朱芳芳,钱程晨.收网算法及其在低压配电网潮流优化中的应用[J].电力自动化设备,2014,34(4): |
| LIU Haoming,ZHU Fangfang,QIAN Chengchen.Shrinking net algorithm and its application in power flow optimization of low-voltage distribution system[J].Electric Power Automation Equipment,2014,34(4): |
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| 摘要: |
| 针对低压配电网存在三相不对称现象及有较多分布式电源的现状，建立了综合考虑分布式电源、有载调压变压器、无功补偿器和插电式混合动力汽车的配电网优化模型。提出了一种新颖的由边界初始种群逐步向内压缩式搜索的启发式算法：收网算法。给出了收网算法的更新迭代公式和计算步骤，并从数学上严格推导证明了该算法的收敛性。为有效解决低压配电系统三相不对称或非全相运行问题，提出一种改进的分相前推回代算法。将收网算法应用于某测试算例和IEEE 123节点系统，优化结果表明所提算法有效可行。 |
| 关键词: 配电 最优潮流 分布式电源 收网算法 收敛性 改进前推回代算法 优化 |
| DOI： |
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| 基金项目:国家自然科学基金资助项目（51207044） |
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| Shrinking net algorithm and its application in power flow optimization of low-voltage distribution system |
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LIU Haoming, ZHU Fangfang, QIAN Chengchen
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College of Energy and Electrical Engineering，Hohai University，Nanjing 211100，China
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| Abstract: |
| Aiming at the three-phase unbalance and multiple distributed sources in low-voltage distribution network，a distribution network optimization model is built，including distributed sources，on-load tap changers，reactive power compensators and plug-in hybrid electric vehicles. A kind of heuristic algorithm，the shrinking net algorithm，is proposed，which condenses gradually the search space inward from the initial boundary population. Its updating iterative formula and calculation steps are given and its convergence is mathematically derived. An improved forward backward sweep algorithm is proposed to effectively deal with the three-phase unbalance and incomplete-phase operation of low-voltage distribution network. The shrinking net algorithm is applied to a test case and IEEE 123-bus system. The optimization results show the proposed algorithm is effective and feasible. |
| Key words: electric power distribution optimal power flow distributed power generation shrinking net algorithm convergence improved forward backward sweep algorithm optimization |
