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半直驱永磁同步风力发电系统建模与电流解耦控制研究 被引量:14

A research on modeling of half-direct coupling wind power system and decoupling current control
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摘要 提出一种永磁同步半直驱型风力发电系统,采用双PWM变流器,实现能量双向流动和高功率密度电能变换。基于该系统,提出一种HDCWPS变流的整流并网控制策略:通过对机侧变流器的控制,实现风能的最大功率跟踪;通过对网侧变流器的控制,实现对直流母线电压和并网功率因数的控制。采用Matlab/Simulink搭建其仿真模型,通过仿真试验证明了该控制策略的正确性。 This paper presents a half-direct coupling wind power system (HDCWPS) for a wind energy system. A double PWM converter is used to implement double direction energy flow and high density power conversion. A control strategy is also presented for the HDCWPS controlling: at wind turbine side a maximum power point capturing (MPPC) control method is used for active power control; and at the grid side a current decoupling control method is proposed to control DC bus voltage and reactive power. Finally, a simulation system is built by employing Matlab/Simulink, and the simulation results demonstrate the correctness of the proposed control strategy.
出处 《电力系统保护与控制》 EI CSCD 北大核心 2012年第10期110-115,共6页 Power System Protection and Control
基金 国家自然科学基金(51007056) 上海市教委科研创新项重点项目(09ZZ162) 上海市教委重点学科建设项目(J50602)~~
关键词 风力发电系统 永磁同步发电机 双PWM变流器 矢量控制 电流解耦控制 wind power generation system PMGM double PWM converter vector control current decoupling control
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参考文献14

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