多端柔性直流输电系统在风电场中的应用Research on Multiterminal VSC-HVDC System for Wind-Farms
吴俊宏;艾芊;
摘要(Abstract):
基于电压源型换流器(voltage source converter,VSC)的多端直流输电系统(VSC-MTDC)是理想的风力发电与电网联接的输电方式。分析基于双馈感应发电机的风电场输出特性以及VSC-MTDC的基本原理与控制方法,提出适用于风电场的VSC-MTDC系统的多点直流电压控制策略。利用PSCAD/EMTDC对该控制方法进行仿真,结果表明,该控制方法能实现定功率与定直流电压控制模式间的自动转换,确保定直流电压控制的换流站故障退出以及其他故障后直流电压的稳定控制与风电场的可靠输出。
关键词(KeyWords): 电压源型换流器;多端高压直流输电;风电场;多点直流电压控制
基金项目(Foundation): 国家863高技术基金项目(2007AA05Z458);; 上海市自然科学基金项目(08ZR1409700);; 上海市白玉兰科技人才基金项目(2008B068)~~
作者(Author): 吴俊宏;艾芊;
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DOI:
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