中国电机工程学报Issue(16)：4175-4183,9.DOI:10.13334/j.0258-8013.pcsee.2015.16.021
低开关频率下SVPWM同步调制策略比较研究
Research on Synchronized SVPWM Strategies Under Low Switching Frequency
王堃 1游小杰 1王琛琛 1周明磊1
作者信息
- 1. 北京交通大学电气工程学院，北京市海淀区 100044
- 折叠
摘要
Abstract
In high-power traction drive systems, owing to the limit on switching losses and cooling conditions, the maximum value of switching frequency cannot be very high. Under such circumstances, we usually adopt multi-mode modulation strategies. The authors summarized the rules of space-vector-based generation of synchronized three-phase PWM waveforms with half-wave, quarter-wave and three-phase symmetries, and introduced five synchronized SVPWM strategies satisfying all the symmetries. On the base of analyzing five strategies, one complete set of multi-mode SVPWM modulation strategy is developed, which is suitable for the conditions of low switching frequency in high-power traction drive systems. At the same time, the rules for transitions between different modulation modes are proposed. Simulation and experiential results verify the validity and effectiveness of the proposed strategies and also realize the smooth transition between different modulation modes.关键词
大功率牵引传动系统/低开关频率/空间矢量脉宽调制/同步调制/多模式调制Key words
high-power traction drive system/low switching frequency/space vector pulse width modulation (SVPWM)/synchronized modulation/multi-mode modulation分类
信息技术与安全科学引用本文复制引用
王堃,游小杰,王琛琛,周明磊..低开关频率下SVPWM同步调制策略比较研究[J].中国电机工程学报,2015,(16):4175-4183,9.
