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交流励磁变速恒频风力发电机并网控制策略
引用本文:刘其辉,贺益康,张建华.交流励磁变速恒频风力发电机并网控制策略[J].电力系统自动化,2006,30(3):51-55,70.
作者姓名:刘其辉  贺益康  张建华
作者单位:1. 华北电力大学电力系统保护与动态安全监控教育部重点实验室,北京市,102206
2. 浙江大学电气工程学院,浙江省杭州市,310027
基金项目:中国高科技研究发展计划(863计划)资助项目(2001AA512023).
摘    要:随着风电机组单机容量的不断增大,发电机并网时的电流冲击已不能忽视,必须对并网控制技术进行深入研究。在总结现有风力发电机并网技术的基础上,研究了交流励磁变速恒频风力发电机与电网间的“柔性连接”特性,即可通过励磁控制调节发电机输出以满足并网条件。将磁场定向矢量控制技术移植到并网控制中,建立了交流励磁变速恒频风力发电机并网控制策略,最后进行了实验研究。

关 键 词:交流励磁  变速恒频  风力发电  并网  磁场定向矢量控制
收稿时间:2005-05-30
修稿时间:2005-05-302005-08-15

Grid Connection Control Strategy of AC-excited Variable-speed Constant-frequency Wind Power Generator
LIU Qi-hui,HE Yi-kang,ZHANG Jian-hua.Grid Connection Control Strategy of AC-excited Variable-speed Constant-frequency Wind Power Generator[J].Automation of Electric Power Systems,2006,30(3):51-55,70.
Authors:LIU Qi-hui  HE Yi-kang  ZHANG Jian-hua
Institution:1. North China Electric Power University, Beijing 102206, China;2 Zbejiang University, Hangzhou 310027, China
Abstract:With the increasing capacity of wind power generators, the current impact on grid connection could not be ignored, thus the grid connection techniques should be investigated in depth. In terms of existing grid-connection techniques of wind power generator, the characteristics of "flexible connection" between AC-excited VSCF (variable-speed constant-frequency) wind power generator and grid are analyzed to make generator output voltage meet grid-connection condition by excitation control. By transplanting flux-oriented vector control technique into grid connection control, the strategy of AC-excited VSCF wind power generator is developed. In addition, the experimental research is also conducted. This work is supported by National High Technology Research and Development Program (863 Program) of China (No. 2001AA51202.3).
Keywords:AC-excitation  VSCF (variable-speed constant-frequency)  wind power generation  grid connection  flux-oriented vector control
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