Title :
A comparison of tri-level and bi-level current controlled grid-connected single-phase full-bridge inverters
Author :
Baker, David M. ; Agelidis, Vassilios G. ; Nayer, C.V.
Author_Institution :
CRESTA, Curtin Univ. of Technol., Perth, WA, Australia
Abstract :
The performance of current-controlled single-phase full-bridge tri-level and bi-level grid-connected inverters is discussed in this paper. A comparative evaluation is made against identical inverters to demonstrate the advantages of tri-level inverter systems. Several parameters have been selected for comparison, such as instantaneous inductor current and its associated error, the instantaneous switching frequency, the inductor input voltage and the magnitude spectrum of the inductor current. It is revealed through extensive simulations that the tri-level approach is far superior than the bi-level counterpart
Keywords :
DC-AC power convertors; PWM invertors; bridge circuits; circuit analysis computing; control system analysis; electric current control; power system interconnection; switching circuits; associated error; bi-level inverter; comparative evaluation; current control; grid connection; inductor current magnitude spectrum; inductor input voltage; instantaneous inductor current; instantaneous switching frequency; simulations; single-phase full-bridge inverters; tri-level inverter; Chemical technology; Control systems; Electromagnetic interference; Filtering; Inductors; Photovoltaic systems; Pulse width modulation inverters; Switching frequency; Voltage control; Zero voltage switching;
Conference_Titel :
Industrial Electronics, 1997. ISIE '97., Proceedings of the IEEE International Symposium on
Conference_Location :
Guimaraes
Print_ISBN :
0-7803-3936-3
DOI :
10.1109/ISIE.1997.648992
