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計(jì)及電動(dòng)汽車有序充電的智能配電網(wǎng)協(xié)調(diào)優(yōu)化控制方法
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國(guó)家自然科學(xué)基金項(xiàng)目(51707197)和中國(guó)農(nóng)業(yè)大學(xué)2115人才工程項(xiàng)目


Coordinated Optimal Control Method for Smart Distribution Network Considering Orderly Charging of Electric Vehicles
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    隨著高滲透率分布式電源與電動(dòng)汽車的接入,智能配電網(wǎng)運(yùn)行狀態(tài)日趨復(fù)雜多變,呈現(xiàn)常態(tài)化的不確定性與波動(dòng)性,對(duì)協(xié)調(diào)優(yōu)化控制提出了更高的要求。針對(duì)分布式電源隨機(jī)性出力制約其消納與利用、電動(dòng)汽車無序充電加劇尖峰負(fù)荷等問題,根據(jù)分布式電源出力與負(fù)荷預(yù)測(cè)結(jié)果,提出了一種計(jì)及電動(dòng)汽車有序充電的智能配電網(wǎng)協(xié)調(diào)優(yōu)化控制方法。該方法主要對(duì)響應(yīng)分時(shí)電價(jià)的電動(dòng)汽車的充電時(shí)間、充電順序與充電位置進(jìn)行動(dòng)態(tài)優(yōu)化,高效匹配分布式電源的隨機(jī)性、波動(dòng)性出力。綜合考慮分布式電源消納、負(fù)荷峰谷差與峰負(fù)荷、電動(dòng)汽車用戶的充電成本與充電滿意度,構(gòu)建了多目標(biāo)協(xié)調(diào)優(yōu)化控制模型,并采用粒子群-非支配排序遺傳混合優(yōu)化算法進(jìn)行求解。算例分析結(jié)果表明,所提模型與方法能夠有效減少EV用戶充電成本、提升EV用戶充電滿意度、促進(jìn)DG消納、削峰填谷以及降低網(wǎng)損。

    Abstract:

    With the scale access of distributed generations and electric vehicles, the operating state of smart distribution networks is becoming more and more complex and changeable, presenting normalized uncertainty and volatility, and puts forward higher requirements for coordinated optimal control methods. Aiming at the problems of distributed generation output randomness restricting its consumption and utilization, and the disordered charging of electric vehicles exacerbates peak loads, a coordinated optimal control method for smart distribution network considering orderly charging of electric vehicles was proposed, based on distributed generation output and load forecasting results. The method mainly dynamically optimized the charging time, charging sequence and charging position of electric vehicles that responded to the time-of-use electricity price to efficiently match the randomness and volatility of distributed generation output. A multi-objective optimal control model was established, which considered the consumption of distributed generation, peak and valley difference of load and peak load, charging cost and satisfaction degree of electric vehicle users. The hybrid optimization algorithm of particle swarm and non-dominated sorting genetic algorithm Ⅱ was used to solve the model. Finally, the feasibility and effectiveness of the proposed model and method were verified by simulation results.

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劉志虹,盛萬興,杜松懷,蘇 娟,孫若男.計(jì)及電動(dòng)汽車有序充電的智能配電網(wǎng)協(xié)調(diào)優(yōu)化控制方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2021,52(S0):377-384. LIU Zhihong, SHENG Wanxing, DU Songhuai, SU Juan, SUN Ruonan. Coordinated Optimal Control Method for Smart Distribution Network Considering Orderly Charging of Electric Vehicles[J]. Transactions of the Chinese Society for Agricultural Machinery,2021,52(S0):377-384.

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  • 收稿日期:2021-07-10
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  • 在線發(fā)布日期: 2021-11-10
  • 出版日期: 2021-12-10