Optimal Operation of Wind-PV-ES Joint System Considering the Peak Regulation Capability

doi:10.3969/j.issn.1000-7229.2019.09.015

Abstract

Abstract: Photovoltaic （PV） and wind power （WT） integration incur the deficiency of power regulation resource， which limits the renewable energy accommodation into power system. Research on negative peak-regulation capability at valley-load level has significant importance. In this paper， the effect of time complementary between PV and WT on peak regulation is analyzed， and two extreme scenarios of peak regulation demand increase which is caused by the renewable energy integration are introduced. A scheduling model of wind-PV-ES joint system is proposed which is aimed to maximize the negative peak-regulation capability during valley-load level. The effectiveness of the proposed model is verified by an actual provincial power system in North China. The result indicates that the joint operation of WT， PV and energy storage （ES） can significantly release the pressure on peak-regulation capacity requirement， and promote the integration of renewable energy generation.

Key words: photovoltaic generation, wind power, energy storage, peak regulation, renewable energy accommodation

CLC Number:

TM 734

YANG Pengpeng，ZHANG Xiuping，WANG Mingqiang，YANG Ming，ANG Fei，WANG Shibo. Optimal Operation of Wind-PV-ES Joint System Considering the Peak Regulation Capability[J]. Electric Power Construction, 2019, 40(9): 124-130.

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