说明：  本文设计了1.SMW双馈型风机变频器的整体硬件电路,满足风机整体工作的稳定 性和高效率"为实现LVRT功能,设计了一种新的CROWBAR电路,并对电路的控制 电路做了改进"研究了1.SMW双馈型风机变频器系统的控制策略,转子侧变换器采用 定子磁链定向矢量控制技术,网侧PWM变换器采用电网电压定向矢量控制技术,构建 了电流内环!电压外环的双闭环PI控制系统,导出了采用转子有功电流和无功电流独 立解祸来控制有功功率和无功功率的策略
(This paper designs 1.SMW doubly-fed wind turbine inverter' s overall hardware circuit, meet fans overall stability and high efficiency " to achieve LVRT function, design a new CROWBAR circuit and control circuit of the circuit do improvement " study 1.SMW double-fed wind turbine inverter system control strategy, the rotor side converter using the stator flux oriented vector control technology, grid-side PWM converter using grid voltage oriented vector control technology to construct the inner current loop! Dual outer voltage loop PI control system is derived using the rotor active current and reactive current independent solutions Woe to the active and reactive power control strategy)