Title :
Space vector alpha-beta sliding mode current controllers for three-phase multilevel inverters
Author :
Silva, J. Fernando ; Rodrigues, N. ; Costa, Julio
Author_Institution :
Centro de Automatica, Tech. Univ. Lisbon, Portugal
Abstract :
Robust sliding mode on-line space vector controllers, designed for output current control in multilevel three-phase power inverters are described. Capacitor voltage divider equalisation is included using the same approach. Using two four-level comparators, simulation and experimental results show no steady state-errors, very fast dynamics and robustness against power supply variations and load unbalances
Keywords :
MIMO systems; PWM invertors; electric current control; robust control; variable structure systems; MIMO multilevel inverters; capacitor voltage divider equalisation; four-level comparators; load unbalances; output current control; power inverters; power supply variations; robust sliding mode on-line space vector controllers; space vector alpha-beta sliding mode current controllers; three-phase multilevel inverters; very fast dynamics; Capacitors; Insulated gate bipolar transistors; Power semiconductor switches; Power supplies; Pulse width modulation; Pulse width modulation inverters; Semiconductor diodes; Sliding mode control; Switching converters; Voltage;
Conference_Titel :
Power Electronics Specialists Conference, 2000. PESC 00. 2000 IEEE 31st Annual
Conference_Location :
Galway
Print_ISBN :
0-7803-5692-6
DOI :
10.1109/PESC.2000.878822
