赵静;赵成勇;孙一莹;张建坡;敬华兵;

• 1:新能源电力系统国家重点实验室(华北电力大学)
• 2:中南大学信息科学与工程学院

摘要(Abstract)：

柔性直流输电并网方式对于大容量远距离海上风电场是一种较好的并网方案。针对模块化多电平直流输电(modular multilevel converter-HVDC,MMC-HVDC)应用于大规模风电场联网问题,分析研究了相应的MMC-HVDC稳态控制策略,仿真验证了其可行性。为保证当联网系统与交流系统的并网点发生不对称故障时风电场可以不脱网持续运行,设计了MMC-HVDC不对称故障期间的控制器,以将风电场与故障隔离并尽可能将功率传送至交流系统中,提高了风电场的低电压穿越能力,并在PSCAD/EMTDC中搭建的仿真模型上验证了此方法的可行性及有效性。

关键词(KeyWords)： 高压直流输电;模块化多电平换流器;风电场;低电压穿越;不对称故障

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51177042);; “十一五”国家科技支撑计划重大项目(2010BAA01B01)~~

作者(Author): 赵静;赵成勇;孙一莹;张建坡;敬华兵;

Email:

DOI: 10.13335/j.1000-3673.pst.2013.03.032

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