Conference Proceeding

Study of an improved Z-source inverter: Small signal analysis

Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore
07/2010; DOI:10.1109/ICIEA.2010.5515153 In proceeding of: Industrial Electronics and Applications (ICIEA), 2010 the 5th IEEE Conference on
Source: IEEE Xplore

ABSTRACT Recently, an improved Z-source inverter topology has been proposed to reduce the capacitor voltage stress and limit the inrush current at startup in traditional Z-source inverter. The dynamic modeling and transfer functions are essential to design control schemes for this new topology. This paper presents the small signal modeling and mathematical analysis of the improved Z-source inverter. In particular, the state space averaging method is employed to deduce the transfer functions. Various computer simulation results are presented to validate the small signal modeling method.

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Keywords

design control schemes
 
dynamic modeling
 
improved Z-source inverter
 
improved Z-source inverter topology
 
paper presents
 
small signal modeling
 
small signal modeling method
 
state space
 
traditional Z-source inverter
 
Various computer simulation results
 

Kun Yu