计及电动汽车换电站储能的负荷频率控制

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Abstract The energy storage in electric vehicle battery swapping station (BSS) was taken account into basic load frequency control (LFC). Thus a new LFC model considering the interaction between BSS and power grid, called station-to-grid (S2G), was proposed for the first time. The BSS in control area can be considered as virtual energy storage station of large capacity in this model. A filter-based LFC coordinated strategy was used to allocate the regulation power in order to reduce the impacts of over regulation on battery degradation. In modeling of BSS, a Monte Carlo (MC) simulation method was proposed to calculate the controllable capacity in BSS. Then, a lumped equivalent S2G model considering the constraints of battery state of charge (SOC) and BSS controllable capacity was established. The effectiveness and validity of the proposed model were illustrated by a two-area interconnected LFC system simulation. Relative analysis demonstrates that the supplementary regulation by S2G can significantly suppress the fluctuations of frequency deviation and tie-line power bias, accordingly improve the dynamic control performance of LFC system.

Key words： Electric vehicle battery swapping station load frequency control energy storage vehicle-to-grid

Received: 06 August 2014 Published: 12 July 2016

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TM732

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	Articles by authors
	Xie Pingping
	Li Yinhong
	Shi Dongyuan

Cite this article:

Xie Pingping,Li Yinhong,Shi Dongyuan. Research on Load Frequency Control Considering Energy Storage in Electric Vehicle Battery Swapping Stations[J]. Transactions of China Electrotechnical Society, 2016, 31(12): 193-203.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I12/193

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