Study of Dead-Time Compensation Strategy in Selective Harmonic Elimination PWM Inverter

被引：0
|
作者：
Luo C. [1 ]
Wang Y. [1 ]
Wang W. [1 ]
Nan H. [1 ]
Wei X. [1 ]
机构：
[1] State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing
来源：
Wang, Yinghao (1028182509@qq.com) | 1600年 / China Machine Press卷 / 32期
关键词：
Compensation strategy; Dead-time effect; Inverter; Pulse width modulation; Selective harmonic elimination;
D O I：
10.19595/j.cnki.1000-6753.tces.160051
中图分类号：
学科分类号：
摘要：
Due to the dead-time setting, the switch tube can't break at ideal moment, which leads to the output waveforms distortion of inverter. In order to improve the waveform, dead-time effect needs to be compensated. Taken advance-off mode as an example, the influence of dead time on selective harmonic elimination pulse width modulation (SHEPWM) was analyzed in this paper. The curves of amplitude and total harmonic distortion (THD) at different dead time were given. A novel dead time compensation strategy was proposed. Set dead time on the S2 and S3 trigger pulse in the positive half cycle, and on S1 and S4 trigger pulse in the negative half period. The current of the switch tube and the corresponding continuous current diode during the dead-time compensation phase was analyzed in detail. Taken power MOSFET as an example, the switch process was analyzed. The empirical formula of the dead time was provided. Finally, simulations and experiments were carried out on the simulation model and hardware platform. The results show that the compensation strategy can effectively alleviate the waveform distortion caused by the dead time. © 2017, The editorial office of Transaction of China Electrotechnical Society. All right reserved.
引用
收藏
页码：155 / 164
页数：9
相关论文
共 18 条
  • [1] Zhang W., Tong W., Yang L., Et al., Selective harmonic elimination inverter and its application in power plants, Automation of Electric Power Systems, 28, 6, pp. 65-67, (2004)
  • [2] Huang Z., You L., Wang Z., Et al., A novel integrated PWM strategy considering dead-time and minimum pulse-width limitation, Transactions of China Electrotechnical Society, 29, 12, pp. 11-18, (2014)
  • [3] Zhao Y., Zhao G., Guo T., Et al., Research and application of low harmonics dead-time injection based on SVPWM, Power System Protection and Control, 40, 8, pp. 58-62, (2012)
  • [4] Papotto G., Carrara F., Palmisano G., A 90nm CMOS threshold-compensated RF energy harvester, IEEE Journal of Solid-State Circuits, 46, 9, pp. 1958-1997, (2011)
  • [5] Zhou J., Jia B., Zhang X., Et al., Research on dead-time compensation strategy of three-level inverter, Electric Machines and Control, 17, 5, pp. 69-74, (2013)
  • [6] Hu C., Yao B., Wang Q., Performance oriented adaptive robust control of a class of nonlinear systems preceded by unknown dead zone with comparative experimental results, IEEE Transactions on Mechatronics, 18, 1, pp. 178-189, (2013)
  • [7] Liu J., Zheng Y., Yao G., Et al., Optimized current tracking method for grid connected inverter with adaptive characteristic harmonic elimination, Transactions of China Electrotechnical Society, 28, 9, pp. 120-128, (2013)
  • [8] Sun S., Ben H., Li C., Et al., Dead-time compensition of inverter with sliding mode controller based on exponent approaching law, Electric Power Automation Equipment, 33, 11, pp. 9-14, (2013)
  • [9] Wang S., Luo A., Study of dead-time effect and its compensation strategies, Transactions of China Electrotechnical Society, 24, 8, pp. 101-119, (2009)
  • [10] Urasaki N., Senjyu T., Uezato K., Et al., An adaptive dead-time compensation strategy for voltage source inverter fed motor drives, IEEE Transactions on Power Electronics, 20, 5, pp. 1150-1160, (2005)
12