2Hamman J, Van Der Merwe F S. Voltage harmonics generated by voltage-fed inverters using PWM natural sampling[J]. IEEE Transactions on Power Electronics, 1988, 3(3): 297-302.
3Christiansen C F, Herrada J L, Martinez N H. Further improvements in a three phase sine wave generator[J]. IEEE Transactions On Industrial Electronics, 1988, 35(2): 338-339.
4Bakari Mwinyiwiwa, Zbigniew Wolanski, Member, IEEE, and Boon-Teck Ooi. Microprocessor implemented SPWM for multiconverters with phase-shifted triangle carriers[J]. IEEE Transactions on Industry Appilcations, 1998, 34(3): 487-494.
5Weinong Guo, Shanxu Duan, Kong Xuejuan, et al. A modified deadbeat control for single-phase voltage-source PWM inverters based on asymmetric regular sample[A]. Power Electronics Specialists Conference, [C] . PESC'2001 IEEE 32nd Annual, 2001,2: 962-967.
6Brendan Peter McGrath, Donald Grahame Holmes. Multicarrier PWM strategies for multilevel inverters[J]. IEEE Transactions On Industrial Electronics, 2002, 49(4): 858-867.
7Donald Grahame Holmes, Brendan P, McGrath. Opportunities for harmonic cancellation with carrier- based pwm for two-level and multilevel cascaded inverters [J]. IEEE Transactions on Industry Appilcations, 2001, 37(2): 574-582.
3ZHENG Chun-fang, ZHANG Bo, QIU Dong-yuan. Digital natu- ralsampling SPWM based on inverse operator method [C]// IEEE 38th Annual Power Electronics Specialists Conference. Orlando, USA: IEEE, 2007: 792-797.
4XU Shun-gang. Analyzing and restraining on harmonic of the SPWM inverter [C]/// 2009 International Conference on Com- munications, Circuits and Systems. Milpitas, USA: IEEE, 2009 : 724-727.
