Transactions of China Electrotechnical Society  2019, Vol. 34 Issue (5): 1013-1024    DOI: 10.19595/j.cnki.1000-6753.tces.180149
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A New Frequency Regulation Control Strategy for Photovoltaic Power Plant Based on Variable Power Reserve Level Control
Zhong Cheng1, Zhou Shunkang1, Yan Gangui1, Ding Maosheng2
1. School of Electrical Engineering Northeast Electric Power University Jilin 132012 China;
2. Ningxia Electric Power Company Yinchuan 750001 China

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Abstract  The increasing installed capacity of renewable power generation deceases the rotational inertia and primary frequency regulation resource in power system, result into frequency fluctuating larger during power system operation. The renewable power generation participate power system frequency regulation is one efficient way for releasing this problem. The focus of this paper is to develop a new frequency regulation control strategy for photovoltaic (PV) power plant, which enables PV power plant to adjust the active power reserve level depending on the grid frequency, and participate the under/up frequency response. The strategy combine off-line curve fitting algorithm, on-line power tracking and irradiance estimation.it can seamless integrate with the exited maximum power tracing, and enhance the robustness for the off-line curve fitting error. The semi-physical simulation platform based on RT-LAB was built and the results verify the effectiveness of the proposed strategy.
Key wordsPV power generation      power reserve control      frequency regulation      irradiance estimation      curve fitting     
Received: 24 January 2018      Published: 21 March 2019
PACS: TM761  
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Zhong Cheng
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Ding Maosheng
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Zhong Cheng,Zhou Shunkang,Yan Gangui等. A New Frequency Regulation Control Strategy for Photovoltaic Power Plant Based on Variable Power Reserve Level Control[J]. Transactions of China Electrotechnical Society, 2019, 34(5): 1013-1024.
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