| 基于盲数模型的含分布式电源配电网供电能力评估 |
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| 引用本文： | 张嘉堃,韦钢,朱兰,迟吉运,褚佳媛. 基于盲数模型的含分布式电源配电网供电能力评估[J]. 电力系统自动化, 2016, 40(8): 64-70 |
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| 作者姓名： | 张嘉堃 韦钢 朱兰 迟吉运 褚佳媛 |
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| 作者单位： | 上海电力学院电气工程学院, 上海市 200090,上海电力学院电气工程学院, 上海市 200090,上海电力学院电气工程学院, 上海市 200090,上海电力学院电气工程学院, 上海市 200090,上海合泽电力工程设计咨询有限公司, 上海市 200090 |
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| 基金项目： | 上海绿色能源并网工程技术研究中心资助项目(13DZ2251900) |
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| 摘 要： | 分布式电源(DG)的接入使配电网供电能力的评估工作变得更加复杂。文中主要研究DG并网后对配电网供电能力的影响,通过判断矩阵法建立电网中不确定因数的盲数模型,提出了基于盲数理论的供电能力评估指标,并结合重复潮流法用以评估含DG的配电网供电能力。最后,算例对比分析验证了该方法的可行性和必要性。
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| 关 键 词： | 配电网；分布式电源；供电能力；盲数理论；判断矩阵法；重复潮流 |
| 收稿时间： | 2015-06-15 |
| 修稿时间： | 2016-03-15 |
Blind-number Model Based Power Supply Capability Evaluation of Distribution Networks with Distributed Generators |
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| ZHANG Jiakun,WEI Gang,ZHU Lan,CHI Jiyun and CHU Jiayuan. Blind-number Model Based Power Supply Capability Evaluation of Distribution Networks with Distributed Generators[J]. Automation of Electric Power Systems, 2016, 40(8): 64-70 |
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| Authors: | ZHANG Jiakun WEI Gang ZHU Lan CHI Jiyun CHU Jiayuan |
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| Affiliation: | School of Electric Power Engineering, Shanghai University of Electric Power, Shanghai 200090, China,School of Electric Power Engineering, Shanghai University of Electric Power, Shanghai 200090, China,School of Electric Power Engineering, Shanghai University of Electric Power, Shanghai 200090, China,School of Electric Power Engineering, Shanghai University of Electric Power, Shanghai 200090, China and Shanghai Heze Electric Power Engineering Design Consulting Co. Ltd., Shanghai 200090, China |
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| Abstract: | It is complicated to evaluate the power supply capability of distribution network with connected distributed generators(DGs). This paper mainly studies the influence of grid-connected DGs on the power supply capacity of the distribution network. The blind-number models of uncertainty factors in the power grid is developed though the judgement matrix method. A power supply capability evaluation index based on the blind-number theory is proposed. By combing with the repeated power flow method, the index is used to evaluate the power supply capability of the distribution network with DGs. Finally, the feasibility and necessity of the proposed method is verified by an example.This work is supported by Shanghai Green Energy Grid-integration Technology Engineering Research Center(No. 13DZ2251900). |
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| Keywords: | distribution network distributed generator(DG) power supply capability blind-number theory judgement matrix method repeated power flow(RPF) |
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