四川电力技术
四川電力技術
사천전력기술
SICHUAN ELECTRIC POWER TECHNOLOGY
2013年
4期
40-45
,共6页
电动汽车%配电网%协调性有序充电%遗传算法
電動汽車%配電網%協調性有序充電%遺傳算法
전동기차%배전망%협조성유서충전%유전산법
electric vehicle%distribution network%orderly coordinated charging%genetic algorithm
针对在非协调无序充电方式下,电动汽车充电会给配电网带来一些功率损耗和电压偏移、增大负荷峰谷差等问题,构建了一种协调性有序充电调度策略。首先分析了电动汽车充电方式对配电网的影响,揭示了配电网中协调有序充电的必要性;然后,从安全性和经济性两方面出发,同时以最小化配电网功率损耗和减小电网等效负荷峰谷差为目标,建立了各个节点上电动汽车的最优充电调度策略。最后,采用遗传算法进行仿真求解,验证了该协调性有效充电策略的合理性和有效性。
針對在非協調無序充電方式下,電動汽車充電會給配電網帶來一些功率損耗和電壓偏移、增大負荷峰穀差等問題,構建瞭一種協調性有序充電調度策略。首先分析瞭電動汽車充電方式對配電網的影響,揭示瞭配電網中協調有序充電的必要性;然後,從安全性和經濟性兩方麵齣髮,同時以最小化配電網功率損耗和減小電網等效負荷峰穀差為目標,建立瞭各箇節點上電動汽車的最優充電調度策略。最後,採用遺傳算法進行倣真求解,驗證瞭該協調性有效充電策略的閤理性和有效性。
침대재비협조무서충전방식하,전동기차충전회급배전망대래일사공솔손모화전압편이、증대부하봉곡차등문제,구건료일충협조성유서충전조도책략。수선분석료전동기차충전방식대배전망적영향,게시료배전망중협조유서충전적필요성;연후,종안전성화경제성량방면출발,동시이최소화배전망공솔손모화감소전망등효부하봉곡차위목표,건립료각개절점상전동기차적최우충전조도책략。최후,채용유전산법진행방진구해,험증료해협조성유효충전책략적합이성화유효성。
Aiming at the power losses , voltage deviation and increasing differences of load peak and valley in distribution net -work caused by disorderly non -coordinated charging of electric vehicle , a dispatching strategy of orderly coordinated charging is established.Firstly, the effect of electric vehicle charging methods on distribution network is analyzed , and the necessity of orderly coordinated charging in distribution network is described .From the aspects of security and economy , the optimal char-ging dispatching strategy on each node is established taking minimizing the power losses of distribution network and decreasing the differences of load peak and valley as the goal .Finally, the rationality and validity of coordinated charging strategy are ver-ified by the simulation with genetic algorithm .