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Voltage Balancing Control of A Four-level Hybrid-Clamped Inverter Using Modified Phase-Shifted PWM
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| Author(s) |
Kui WANG, Yongdong LI, Zedong ZHENG, Lie XU, Jing SHANG |
| Abstract |
This paper presents a voltage balancing method for a four-level hybrid-clamped inverter. The relationship between the capacitor currents and switching functions is studied. A modified phaseshiftedPWM method is used to regulate the capacitor currents by adjusting the start and end time ofthe PWM signals slightly according to the capacitor voltages and the polarity of the output current.Experimental results are presented to verify this method. |
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| Filename: | 0417-epe2013-full-04043392.pdf |
| Filesize: | 222.7 KB |
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| Type |
Members Only |
| Date |
Last modified 2014-02-09 by System |
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