考虑多种调压措施的分布式光伏消纳能力研究

李振坤; 鲍新雨; 邵宇鹰; 彭鹏; 王文俊

引用本文:	李振坤,鲍新雨,邵宇鹰,等.考虑多种调压措施的分布式光伏消纳能力研究[J].电力系统保护与控制,2018,46(8):10-16.
	LI Zhenkun,BAO Xinyu,SHAO Yuying,et al.Studying accommodation ability of distributed photovoltaic considering various voltage regulation measures[J].Power System Protection and Control,2018,46(8):10-16

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考虑多种调压措施的分布式光伏消纳能力研究
李振坤¹,鲍新雨¹,邵宇鹰²,彭鹏²,王文俊³
(1.上海电力学院，上海 200090;2.国网上海市电力公司，上海 200122; 3.国网浙江浦江县供电公司，浙江金华 321000)

摘要:

随着分布式光伏的大量并网，电压越限成为限制其大量接入的重要因素。针对光伏接入引起电压越限的情况，研究了多种调压措施对配电网光伏接纳能力的影响。首先，从电压不越限、潮流不过载等约束条件出发，建立了分布式光伏消纳模型。其次，分析了加入调压措施对分布式光伏消纳能力的影响。最后，采用试探法求解了不加调压措施前和加入调压措施后光伏的最大准入容量。以IEEE33节点配电系统为仿真算例，分析了限制各个节点光伏容量增加的原因。仿真结果表明，考虑调压措施可以有效地提高分布式光伏的消纳能力，避免电压越限的发生。

关键词: 分布式光伏电压越限准入容量消纳能力调压措施

DOI：10.7667/PSPC170529

分类号:

基金项目:国家自然科学基金项目资助(51407113);上海绿色能源并网工程技术研究中心项目资助(13DZ2251900)

Studying accommodation ability of distributed photovoltaic considering various voltage regulation measures

LI Zhenkun¹,BAO Xinyu¹,SHAO Yuying²,PENG Peng²,WANG Wenjun³

(1. Shanghai University of Electric Power, Shanghai 200090, China;2. State Grid Shanghai Electric Power Company, Shanghai 200122, China;3. Pujiang Power Supply Company of State Grid Zhejiang Electric Power Company, Jinhua 321000, China)

Abstract:

With more and more photovoltaic connected to the grid, the voltage violation has become an important factor in restricting a large number of PV in distributed network. In order to solve this phenomenon, this paper studies the influence of many voltage regulation measures on distribution network PV accommodating capability. Firstly, considering constraint conditions of voltage not violation and power flow under load, it establishes a distributed PV accommodation model. Secondly, it analyzes the effect of PV accommodation after adding voltage regulation measures. Finally, it calculates the maximum grid-connected capacities before and after considering voltage regulation measures by using heuristics method. The IEEE33 bus distribution system is simulated and the restricted factors to the increase of PV capacities of each node is analyzed. The result shows that considering voltage regulation measures effectively improves the photovoltaic accommodation ability and avoids node voltage violation. This work is supported by National Natural Science Foundation of China (No. 51407113) and Shanghai Engineering Research Center of Green Energy Grid-Connected Technology (No. 13DZ2251900).

Key words: distributed photovoltaic voltage violation penetration capacity accommodation ability voltage regulation measures

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