Paper Info
Title
Input Current and Voltage Ripple Analysis in LDN Cells for H-Bridge Multilevel Inverters
Abstract
This paper deals with the analysis of the input dc-link voltage ripple in multilevel inverter based on H-bridge and level doubling network (LDN). The LDN is basically a half-bridge fed by a floating capacitor, with voltage self-balancing capability, recalling the concept of a flying capacitor configuration. The amplitude of the LDN voltage ripple is analytically determined considering both the low-order and the switching harmonic components. In particular, peak-to-peak distributions of voltage ripples over the fundamental period are analytically determined, making possible the design of dc-link capacitor relying only on the dc-voltage ripple requirements. The case study makes reference to negligible switching ripple in the output current. It well represents either grid connection or passive load having almost sinusoidal currents. Numerical simulations carried out by MATLAB/Simulink and a complete set of experimental verifications are given to confirm the theoretical developments.
Year
DOI
Venue
2019
10.1109/TIE.2019.2896119
IEEE Transactions on Industrial Electronics
Keywords
DocType
Volume
Capacitors,Inverters,Switches,Topology,Pulse width modulation,Bridge circuits
Journal
66
Issue
ISSN
Citations 
11
0278-0046
0
PageRank 
References 
Authors
0.34
0
2
Name
Order
Citations
PageRank
Manel Hammami111.11
G. Grandi2589.36