光伏发电并网系统的仿真建模及对配电网电压稳定性影响

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Abstract In order to gain an understanding of the effects the photovoltaic(PV) generation might have upon the voltage stability in distribution grid, a general PV grid-connected power generation system(PVGS) circuit model based generalized load is built in this paper, and is applied to study the voltage stability. The simulation results show that voltage fluctuation is deeply affected by the fluctuation power, the power factor and the voltage levels of distribution grid. The basic approach to improve voltage stability is to increase and stable power factor. Finally, some simulation conclusions are showed by analysis of the data measured in a company 500kWp PV grid-connected system.

Key words： Distribution grid photovoltaic generation generalized load circuit model voltage stability

Received: 06 September 2010 Published: 25 March 2014

PACS:

TM712

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	Articles by authors
	Chen Quan
	Li Lingdong
	Wang Qunjing
	Duan Xiaobo
	Ye Jingen
	Zeng Ye

Cite this article:

Chen Quan,Li Lingdong,Wang Qunjing等. Simulation Model of Photovoltaic Generation Grid-Connected System and Its Impacts on Voltage Stability in Distribution Grid[J]. Transactions of China Electrotechnical Society, 2013, 28(3): 241-247.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I3/241

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