计及电压调节效应的电力系统机组组合

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Abstract In order to deal with the injection uncertainties,a novel unit commitment (UC) model is proposed by treating the realization of source power balance,i.e.mechanical power of the supply and demand side,as the clue.The voltage regulation effect and the unit reserve response mechanism are well considered in the model.Additionally,the source power balance and its voltage support are effectively integrated to exploit the potential synergistic capability of the power system to accommodate the injection uncertainties.Based on Benders decomposition algorithm,the model is decomposed into a master problem and some sub-problems.The master problem is the unit commitment problem with direct current (DC) power flow constraints,and the sub-problemsare the alternating current (AC) power flow voltage support decisions for each scenario.The feasible domain of the master problem is restrained by the Benders cuts developed by all the sub-problems.Finally,the validity and effectiveness of the model and the algorithm are verified by case studies.

Key words： Power system unit commitment synergistic dispatch voltage regulation effect random uncertainty Benders decomposition

Received: 30 September 2015 Published: 16 March 2016

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TM71

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	Sun Donglei
	Han Xueshan
	Yang Jinhong

Cite this article:

Sun Donglei,Han Xueshan,Yang Jinhong. Power System Unit Commitment Considering Voltage Regulation Effect[J]. Transactions of China Electrotechnical Society, 2016, 31(5): 107-117.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I5/107

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