海上直流风电场内网中串联直流风机的变速控制Variable Speed Control of Series-Connected DC Wind Turbines in the Internal Grid of Offshore DC Wind Farm
姚良忠;施刚;曹远志;王志冰;朱淼;蔡旭;
摘要(Abstract):
直流风电场内网中直流风机的串联被证明是一种有潜力的大规模海上风能汇聚方案。然而,直流风机电压限幅期间的弃风现象是制约直流串联型风场商业化的主要因素。描述了海上直流风场内网中串联直流风机的耦合特性。为减少弃风,提出了电压限幅下串联直流风机的变速控制策略。为实现风场级研究中的所有控制,建立了含机电暂态特性的直流风机平均值模型。仿真算例结果,验证了所提策略的有效性。
关键词(KeyWords): 海上直流风电场;串联;直流风机;变速控制;平均值模型
基金项目(Foundation): 国家自然科学基金项目(51261130484);; 国家电网公司专项支持项目(国家电网科研2013-304号);; 国家863高技术基金项目(2013AA050601)~~
作者(Author): 姚良忠;施刚;曹远志;王志冰;朱淼;蔡旭;
Email:
DOI: 10.13335/j.1000-3673.pst.2014.09.015
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