Optimal Operation Of Ac / Dc Hybrid Microgrid Under Spot Price Mechanism
2016 IEEE POWER AND ENERGY SOCIETY GENERAL MEETING (PESGM)(2016)
摘要
In order to improve the economic benefit of AC / DC hybrid microgrid, an optimal operation under spot price method is proposed. Firstly, an expectation programming model is constructed considering the spot price as the control variable; Secondly, based on day-ahead dispatch, considering the WT and PV power forecasting error, an real-time adjustment strategy is presented, which considers the real-time adjustment of spot price, in order to meet the premise of power balance, at the same time to maximize the profit or minimize the cost when output of non-controllable micro sources is understimated / overtimated. Finally an example verifies that the method proposed in this paper can improve the rate of WT and PV accommodation, increase the AC / DC hybrid microgrid revenue and reduce the average cost of purchasing price.
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关键词
AC / DC hybrid microgrid,Optimal operation,Spot price,Power adjustment
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