基于智能电网的动态经济调度研究 research on dynamic economic dispatch based on smart grid.pdfVIP

37 卷 6 期 电 网 技 术 Vol. 37 No. 6 20 13 年6 月 Power System Technology Jun. 2013 文章编号：1000-3673 （2013 ）06-1547-08 中图分类号：TM 721 文献标志码：A 学科代码：470 4051 基于智能电网的动态经济调度研究 李惠玲，白晓民，谭闻，董伟杰，栗楠 （中国电力科学研究院，北京市海淀区 100192 ） Research on Dynamic Economic Dispatch Based on Smart Grid LI Huiling, BAI Xiaomin, TAN Wen, DONG Weijie, LI Nan (China Electric Power Research Institute, Haidian District, Beijing 100192, China) ABSTRACT: Connecting large-scale plug-in hybrid electric 化目标，在满足用电需求的前提下，动态调节电动汽车充放 vehicles (PHEVs) and renewable energy resources (RES) to 电时间和功率，匹配负荷和可再生能源发电波动。最后以 smart grid makes the traditional top-down control mode of power 10 机组系统为例对该模型进行了分析，证明了所提模型的 grid turned into distributed control model, and the unidirectional 合理性和有效性。 power flow is turned into bidirectional power flow, so the power 关键词：智能电网；电动汽车；可再生能源；V2G ；动态经 output of traditional generating units is directly impacted. 济调度 PHEVs can provide ancillary services to the grid (vehicle to grid, 0 引言 V2G) that changes genco’s single interest mode under traditional economic dispatching. The random charging behavior of PHEV 电动汽车和可再生能源发电可以减少温室气 owners and intermittence of renewable energy generation makes 体排放，提高能源的利用效率，是智能电网发展的 the demand on power grid regulation ability stronger. In this [1-2] 重要组成部分 。电动汽车可以接入电网提供辅助 paper a smart grid based dynamic economic dispatching model is [3-6] 服务 以及可再生能源的发电并网，改变了传统电 constructed, in which the PHEV and RES are contained and the 网单一的集中发电模式，潮流由原来的单一流动转 minimization of powe