CAJ | 학술논문

对二极管箝位型三电平变换器的SVPWM控制算法进行了研究,提出一种基于非正交120°坐标变换的SVPWM调制简便算法.该算法不仅具有60°坐标变换的优势还具有将三相空间电压标量化的优点,克服了传统SVPWM算法中涉及三角函数运算而导致运算量大的缺点.通过MATLAB7.0进行仿真实验验证了该算法的正确性和有效性.
대이겁관겸위형삼전평변환기적SVPWM공제산법진행료연구,제출일충기우비정교120°좌표변환적SVPWM조제간편산법.해산법불부구유60°좌표변환적우세환구유장삼상공간전압표양화적우점,극복료전통SVPWM산법중섭급삼각함수운산이도치운산량대적결점.통과MATLAB7.0진행방진실험험증료해산법적정학성화유효성.
An optimized algorithm of SVPWM is researched according to the Neutral Point Clamped of three-Level Converter.This paper proposes a simplified SVPWM algorithm based on non-orthogonal 120°coordinate transformation.It not only has the advantages of 60°coordinate transformation,but also has the advantages to turn three-phase space voltage into scalar.This algorithm overcomes the shortcoming of traditional algorithm which will be involved in the excessive calculation of trigonometric function.The Simulation exp...