电能路由器中基于MMC的超级电容储能系统及其改进SOC均衡控制策略A Modified SOC Equalization Control Strategy of MMC Based Super Capacitor Energy Storage System in Electrical Energy Router Application
陶海波;杨晓峰;李泽杰;郑琼林;游小杰;Pavel Kobrle;
摘要(Abstract):
基于模块化多电平换流器(modularmultilevel converter,MMC)的超级电容储能系统(super capacitor energy storagesystem,SCESS)用作电能路由器(electricalenergy router,EER)前端接入中压配电网时,由于其储能子模块(energysub-module,ESM)众多,储能容量利用率受限于各ESM荷电状态(stateofcharge,SOC)。针对现有SOC均衡控制策略的不足,该文在对MMC-SCESS数学建模的基础上,引入SOC平衡因子概念,并提出基于相间、上下桥臂、桥臂内的三级改进型SOC均衡控制策略。仿真研究表明,该文所提控制策略提升了系统鲁棒性和动态性能,尤其适合于未来能源系统中EER应用。
关键词(KeyWords): 模块化多电平换流器;超级电容储能;电能路由器;荷电状态均衡
基金项目(Foundation): 国家重点研发计划项目(2016YFE0131700);; 捷克共和国青年和体育英才计划(LTACH-17001)~~
作者(Author): 陶海波;杨晓峰;李泽杰;郑琼林;游小杰;Pavel Kobrle;
Email:
DOI: 10.13335/j.1000-3673.pst.2019.1377
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