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	Pulse width modulation for hybrid 9-level inverters
	Chen Yuanhua ; Liu Wenhua ; Zhang Xincheng ; Song Qiang
	2010-05-10 ; 2010-05-10
关键词	Practical Experimental/ electric drives harmonic distortion power capacitors power conversion harmonics PWM invertors voltage control/ pulse width modulation PWM hybrid 9-level inverters variable-voltage drive system variable-frequency drive system zero-sequence voltage H-bridge assistant inverter capacitor voltage balance control method dead time compensation method total harmonic distortion/ B8360 Power convertors and power supplies to apparatus B8510 Drives B8390 Other power apparatus and electric machines C3340H Control of electric power systems C3110B Voltage control
中文摘要	The dead time of hybrid 9-level inverters was analyzed to develop a method to apply hybrid 9-level inverters to variable-voltage, variable-frequency drive systems. The method is based on the application of the pulse width modulation (PWM) method for hybrid 9-level inverters. The zero-sequence voltage was related to the reference voltage to balance the capacitor voltage in the H-bridge assistant inverter to ensure hybrid 9-level operational security. Experimental results demonstrated the effectiveness of the capacitor voltage balance control method. The modified dead time compensation method for the hybrid 9-level inverter effectively compensated for the abnormal pulse induced by dead time effect. The hybrid 9-level inverter then output better waveforms with a total harmonic distortion of the output voltage of less than 3%.
语种	中文 ; 中文
出版者	Tsinghua Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/22018]
专题	清华大学
推荐引用方式 GB/T 7714	Chen Yuanhua,Liu Wenhua,Zhang Xincheng,et al. Pulse width modulation for hybrid 9-level inverters[J],2010, 2010.
APA	Chen Yuanhua,Liu Wenhua,Zhang Xincheng,&Song Qiang.(2010).Pulse width modulation for hybrid 9-level inverters..
MLA	Chen Yuanhua,et al."Pulse width modulation for hybrid 9-level inverters".(2010).

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