| 适用于多端柔性互联的交直流配电网潮流计算方法 |
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| 引用本文： | 彭克,张新慧,陈羽. 适用于多端柔性互联的交直流配电网潮流计算方法[J]. 电力自动化设备, 2017, 37(1) |
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| 作者姓名： | 彭克 张新慧 陈羽 |
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| 作者单位： | 山东理工大学 电气与电子工程学院，山东 淄博 255000,山东理工大学 电气与电子工程学院，山东 淄博 255000,山东理工大学 电气与电子工程学院，山东 淄博 255000 |
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| 基金项目： | 国家高技术研究发展计划(863计划)项目(2015AA050202) |
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| 摘 要： | 针对采用下垂控制的多端柔性互联交直流配电系统,提出一种改进Zbus高斯算法。首先根据下垂控制曲线给定的直流电压参考值求解一次交直流潮流,确定有功功率稳态计算点,在此基础上按照下垂控制曲线更新直流电压,并采用新的直流电压稳态计算点求解交直流潮流直至收敛。改进的IEEE 123节点算例测试结果验证了所提算法的有效性和正确性。
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| 关 键 词： | 潮流计算；交直流配电网；下垂控制；恒压控制；多端柔性互联 |
Power flow calculation algorithm for AC-DC hybrid distribution network with multi-terminal flexible interconnection |
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| PENG Ke,ZHANG Xinhui and CHEN Yu. Power flow calculation algorithm for AC-DC hybrid distribution network with multi-terminal flexible interconnection[J]. Electric Power Automation Equipment, 2017, 37(1) |
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| Authors: | PENG Ke ZHANG Xinhui CHEN Yu |
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| Affiliation: | College of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255000, China,College of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255000, China and College of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255000, China |
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| Abstract: | An improved Zbus Gauss algorithm is proposed for the AC-DC hybrid distribution network with multi-terminal flexible interconnection under droop control. The DC voltage reference given by the droop control curve is adopted to solve the AC-DC power flow and determine the steady-state calculation point of active power, based on which, the DC voltage is updated according to the droop control curve and the updated steady-state calculation point of DC voltage is used to solve the AC-DC power flow until convergence. The improved IEEE 123-bus test system is applied to verify the validity and correctness of the proposed algorithm. |
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| Keywords: | power flow calculation AC-DC hybrid distribution network droop control constant voltage control multi-terminal flexible interconnection |
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