大型光伏电站并网适应性分析

李响; 范建业; 曹丽璐; 王龙; 胡天彤; 吴天恒

引用本文:	李响,范建业,曹丽璐,等.大型光伏电站并网适应性分析[J].电力系统保护与控制,2018,46(8):164-169.
	LI Xiang,FAN Jianye,CAO Lilu,et al.Analysis on the adaptability of large-scale grid-connected PV station[J].Power System Protection and Control,2018,46(8):164-169

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大型光伏电站并网适应性分析
李响¹,范建业²,曹丽璐³,王龙¹,胡天彤¹,吴天恒⁴
(1.郑州航空工业管理学院，河南郑州 450015;2.中国电力技术装备有限公司，北京 100052; 3.许继集团有限公司，河南许昌 461000;4.中国电力科学研究院，北京 100192)

摘要:

为研究大型光伏电站并网适应性，以某地区三个百兆级光伏电站并网工程为例，根据该地区最大、最小负荷运行方式下的数据，利用DIgSILENT/Power Factory软件，在光伏电站不同出力条件下对电网的潮流大小、母线电压波动、安全性N-1等方面进行仿真。依据相关导则要求，对大型光伏电站并网时适应性进行研究分析。针对大型光伏并网时母线电压降低幅度过大的现象采取相应的补偿措施，提高光伏电站并网适应性。该分析可对以后的工程提供参考。

关键词: 适应性光伏电站负荷电压潮流

DOI：10.7667/PSPC170419

分类号:

基金项目:河南省科技攻关项目(182102210112; 172102210076);河南省教育厅项目(18B470013)

Analysis on the adaptability of large-scale grid-connected PV station

LI Xiang¹,FAN Jianye²,CAO Lilu³,WANG Long¹,HU Tiantong¹,WU Tianheng⁴

(1. Zhengzhou Institute of Aeronautical Industry Management, Zhengzhou 450015, China;2. China Electric Power Equipment and Technology Co., Ltd., Beijing 100052, China;3. XuJi Group Corporation, Xuchang 461000, China;4. China Electric Power Research Institute, Beijing 100192, China)

Abstract:

In order to analyze on the adaptability of the large-capacity grid-connected PV station, this paper takes the hundred-billion grade project in Mangya for example. According to the maximum and minimum load operation data of Mangya, the power flow, bus voltage fluctuation, and N-1 security are simulated by using DIgSILENT/Power Factory software. According to the guideline, the adaptability of large-scale grid-connected PV station is studied and analyzed. The compensation method is proposed to improve the phenomena that the bus voltage drop amplitude is too large when large-scale PV grid connection. The adaptability of large-scale grid-connected PV station is improved. The analysis provides a reference for other engineering. This work is supported by Scientific and Technological Projects of Henan Province (No. 182102210112 and No. 172102210076).

Key words: adaptability PV station load voltage power flow

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