| 引用本文: | 朱 瑛,程 明,花 为,王 伟.基于2种变速变桨距方法的双功率流风力发电系统功率控制[J].电力自动化设备,2013,33(9): |
| ZHU Ying,CHENG Ming,HUA Wei,WANG Wei.Power control of dual power flow wind energy conversion system based on two variable-speed variable-pitch control methods[J].Electric Power Automation Equipment,2013,33(9): |
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| 摘要: |
| 在分析双功率流风力发电系统的工作原理及数学模型基础上，提出了基于此系统的2种变速变桨距功率控制策略，分别为功率PID变桨距及叶尖速比最大风能跟踪功率控制策略和转速PID变桨距及电流给定最大风能跟踪功率控制策略。分别建立了这2种功率控制策略的仿真模型，同时通过仿真比较了这2种控制策略的优缺点。仿真结果表明转速PID变桨距及电流给定最大风能跟踪功率控制策略控制相对简单，功率输出平稳，更适用于该新型双功率流风力发电系统。 |
| 关键词: 双功率流风力发电系统 风电 桨距控制 最大风能跟踪 功率控制 |
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| 基金项目:国家自然科学基金资助项目（50977011， 51137001）；江苏省创新学者攀登项目（BK2010013）；2011江苏省研究生科研创新计划（CXLX_0109） |
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| Power control of dual power flow wind energy conversion system based on two variable-speed variable-pitch control methods |
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ZHU Ying, CHENG Ming, HUA Wei, WANG Wei
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School of Electrical Engineering，Southeast University，Nanjing 210096，China
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| Abstract: |
| The working principle and mathematical model of DPF-WECS（Dual Power Flow Wind Energy Con-version System） are analyzed and two variable-speed variable-pitch power control strategies are proposed：the power PID pitch control with TSR-MPPT（Tip Speed Ratio Maximum Power Point Tracking） and the rotor-speed PID pitch control with CG-MPPT（Current Given MPPT）. Two simulation models are built respectively and two power control strategies are compared. Simulative results show that，the latter is simpler in imple-mentation，more stable in power output and more suitable for DPF-WECS. |
| Key words: DPF-WECS wind power pitch control MPPT power control |
