本文選題：電動汽車 + 低壓直流多接口充電設(shè)施�。� 參考：《電網(wǎng)技術(shù)》2015年12期

【摘要】：為解決住宅小區(qū)、充電站內(nèi)充電設(shè)施無法同時為多輛電動汽車最優(yōu)充電的問題,以低壓直流多接口充電設(shè)施為優(yōu)化研究對象,提出多目標(biāo)、分層分區(qū)的有序充電優(yōu)化控制模型,使得充電設(shè)施運營商的收益最高,同時配電網(wǎng)的網(wǎng)損最低,電壓降落始終未越限,并能在配電網(wǎng)電壓降落越限時緊急放電,最大限度減少電動汽車負(fù)荷對其他負(fù)荷的影響。在此基礎(chǔ)上,采用序列二次規(guī)劃算法和動態(tài)規(guī)劃算法進行求解,通過IEEE 34節(jié)點算例分析驗證了該模型和算法的有效性。仿真結(jié)果表明:有序充電控制策略的引入在減少網(wǎng)損和電壓降落的同時,使得充電運營商的經(jīng)濟效益有較大增加,較好地滿足了多方面的最優(yōu)需求。分層優(yōu)化增強了優(yōu)化控制方案的實時性、可操作性、可擴展性,使之更易于工程應(yīng)用。
[Abstract]:In order to solve the problem that charging facilities in charging station can not be optimal charging for multiple electric vehicles at the same time in residential area, a multi-objective, hierarchical and orderly charging optimization control model is put forward, which takes low-voltage DC multi-interface charging facility as the optimization research object. At the same time, the network loss of the distribution network is the lowest, the voltage drop has not exceeded the limit, and the emergency discharge can be achieved when the voltage drop of the distribution network exceeds the limit, thus minimizing the influence of electric vehicle load on other loads. On this basis, sequential quadratic programming algorithm and dynamic programming algorithm are used to solve the problem. The validity of the model and algorithm is verified by IEEE 34 node analysis. The simulation results show that the introduction of orderly charging control strategy not only reduces the network loss and voltage drop, but also increases the economic benefits of charging operators, and meets the optimal demand in many aspects. Hierarchical optimization enhances the real-time, maneuverability and expansibility of the optimal control scheme, and makes it easier to be applied in engineering.
【作者單位】： 山西大學(xué)電力工程系;
【分類號】：U469.7;TM910.6

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