期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 27, 期 12, 页码 4944-4951出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2012.2194511
关键词
DSP; electrical drives; electromagnetic compatibility (EMC)/electromagnetic interference (EMI); field-oriented control (FOC); harmonics; hybrid electric vehicle (HEV); power converters for electric vehicle (EV); pulsewidth modulation (PWM); randomized-space vector modulation (RSVM); space vector modulation (SVM); variable speed drive; vector control; voltage source inverter (VSI)
Space vector modulation (SVM), with its many advantages over classical pulsewidth modulation technique (PWM), is gaining in popularity. However, only deterministic SVM exists. Randomized PWM (RPWM) with its cleaner harmonic spectrum is gaining interest for industrial applications required to meet electromagnetic compatibility standards. Inverter switching losses are optimized and life expectancy can be increased using a suitable discontinuous modulation technique. Here, we present, a discontinuous and randomized-modulation technique based on space vector calculation, intended for electric-drive oriented hybrid electric vehicle, which has the advantages of SVM and clean harmonic-spectrum and the efficiency of RPWM and DPWM, respectively.
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