Title :
Analysis of topology and modulation strategy for a Hybrid multilevel inverter
Author :
Lu, Li ; Zhang, Xiancai ; Wu, Baofang
Author_Institution :
Dept. of Electron. Sci. & Technol., Huazhong Univ. of Sci. & Technol., Wuhan
Abstract :
This paper deals with topologies of circuits and strategies of modulation for multilevel inverters. There is a close relationship between these two factors. A new Hybrid multilevel inverter based on the features of the NPC inverter and the Cascade inverter is recommended. Its three modulation strategies and voltages spectrum characteristics are analyzed. The spectrum expressions of the continuous modulation are deduced, and the simulation results are given, which prove the validity of this theoretical analysis.
Keywords :
invertors; NPC inverter; cascade inverter; continuous modulation; hybrid multilevel inverter; modulation strategy; topology analysis; voltages spectrum characteristics; Analytical models; Circuit topology; Clamps; Power system harmonics; Pulse width modulation inverters; Radar; Semiconductor diodes; Switches; Switching frequency; Voltage;
Conference_Titel :
Electrical Machines and Systems, 2008. ICEMS 2008. International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-3826-6
Electronic_ISBN :
978-7-5062-9221-4
