Title :
Analysis and control of a multi-level flying capacitor inverter
Author :
Zhang, L. ; Watkins, S.J. ; Shepherd, W.
Author_Institution :
Sch. of Electron. & Electr. Eng., Leeds Univ., UK
Abstract :
The paper presents the results of a study into the optimal switch mode sequence for a multi-level flying capacitor inverter to synthesis a sinewave voltage under staircase angle control. It is shown that a properly selected sequence will yield the voltage and loss balances in capacitor voltages and switching devices respectively and minimize the load voltage THD values. A general mathematical model for an N-level inverter is presented which can be conveniently applied for computer simulation of any operating mode.
Keywords :
capacitors; harmonics suppression; invertors; losses; power conversion harmonics; switching convertors; capacitor voltages; computer simulation; load voltage THD values; loss balances; mathematical model; multi-level flying capacitor inverter; operating mode; optimal switch mode sequence; sinewave voltage synthesis; staircase angle control; switching devices; Capacitors; Circuit synthesis; Computer simulation; Inverters; Mathematical model; Power harmonic filters; Switches; Switching circuits; Traction motors; Voltage control;
Conference_Titel :
Power Electronics Congress, 2002. Technical Proceedings. CIEP 2002. VIII IEEE International
Print_ISBN :
0-7803-7640-4
DOI :
10.1109/CIEP.2002.1216638
