基于初始工作点选取的级联多电平混合储能系统功率分配控制Power Distribution Control for Cascaded Multilevel Inverter With Hybrid Energy Sources Based on Initial Operation Point Selection
胡卫丰;侍红兵;李官军;袁伯军;刘钊;陆一言;
摘要(Abstract):
提出了一种基于初始工作点选取的级联多电平混合储能系统功率分配控制方法。级联多电平储能系统中部分储能电池/BMS(battery management system)出现故障时,可以通过切除故障储能电池从而形成基于电池和电容的级联多电平混合储能系统。级联多电平混合储能系统控制的关键在于不同链节单元之间的功率分配。通过初始工作点选取的方法可以实现链节单元间无功的分配,从而提高系统的可靠性和冗余性;同时通过矢量分析的方法推导了级联多电平混合储能系统稳定工作范围以及初始工作点的选取范围。最后通过仿真和实验验证了所提控制方法的有效性和可行性。
关键词(KeyWords): 级联多电平;混合储能;初始工作点;功率分配;矢量分析
基金项目(Foundation): 国网江苏省电力公司科技项目(提升电网稳定水平的大容量中压直挂式储能系统关键技术研发);; 江苏省配电网智能技术与装备协同创新中心开放基金项目(XTCX201901)~~
作者(Author): 胡卫丰;侍红兵;李官军;袁伯军;刘钊;陆一言;
Email:
DOI: 10.13335/j.1000-3673.pst.2019.1173
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