电工技术学报2012，Vol.27Issue(7)：212-220,9.
三相并网逆变器直接功率控制和直接功率预测控制的对比
Comparative Study for Direct Power Control and Direct Power Predictive Control in Three-Phase Grid-Connected Inverters
摘要
Abstract
According to the dynamic mathematical model of three-phase grid-connected inverters, the influence on the active power change and the reactive power change is derived and analyzed in detail for grid-connected inverters when the voltage vectors are impressed. The best voltage vector is selected according to the signs of the active power change and the reactive power change, which can make the ripple of the active power and the reactive power small. On this basis, a direct power control （DPC） based on a new switching table is proposed. A novel direct power predictive control is adopted at same time, which is combined with space vector pulse modulation （SVPWM）. This control strategy achieves the decoupling control for the active power and reactive power and an adjustable power factor. At last, comparative experiments are tested for direct power control and direct power predictive control （DPPC）. The feasibility and correctness of the control strategy are verified by experimental results.关键词
三相并网逆变器/开关表/直接功率控制/直接功率预测控制/解耦控制Key words
Three-phase grid-connected inverters/switching table/direct power control/directpower predictive control/decoupling control分类
信息技术与安全科学引用本文复制引用
赵方平,杨勇,阮毅,赵春江..三相并网逆变器直接功率控制和直接功率预测控制的对比[J].电工技术学报,2012,27(7):212-220,9.基金项目
上海市科学技术委员会资助项目 （）
