基于复合储能的微电网运行模式平滑切换控制Control Method and Strategy for Smooth Switching of Microgrid Operation Modes Based on Complex Energy Storage
刘志文;夏文波;刘明波;
摘要(Abstract):
针对微电网由并网运行向非计划孤岛切换过程中功率出现不平衡的问题,在不改变分布式电源运行控制模式前提下,将超级电容器和蓄电池组成的复合储能装置作为微电网孤岛运行时的主电源。制定微电网并网转非计划孤岛切换控制策略,确保切换前后重要负荷正常供电和分布式电源正常运行;微电网由孤岛向并网运行切换时,通过对复合储能装置进行预同步控制,有效地减少了孤岛向并网运行切换时的冲击和振荡,确保运行模式切换过程中的平稳过渡。算例结果验证了所提方法的有效性。
关键词(KeyWords): 微电网;非计划孤岛;超级电容器;复合储能;切换控制策略;预同步控制
基金项目(Foundation): 国家863高技术基金项目(2012AA050212)~~
作者(Author): 刘志文;夏文波;刘明波;
Email:
DOI: 10.13335/j.1000-3673.pst.2013.04.002
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