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)~~