Title :
A novel SVPWM Overmodulation technique based on voltage correcting function
Author :
Vasilios, Ilioudis C. ; Nikolaos, Margaris I.
Author_Institution :
Dept. of Electr. & Comput. Eng., Aristotle Univ. of Thessaloniki, Thessaloniki, Greece
Abstract :
This paper presents a new Space Vector Pulse Width Modulation (SVPWM) strategy for voltage regulation of a Voltage Source Inverter (VSI) enabling the continuous transition from the linear modulation to the six-step mode. Overmodulation operation is based on a correcting function method modifying properly the amplitude and the phase angle of the VSI output voltage. The evaluation of the method is explored via frequency analysis of the inverter voltage and motor currents in order to be able to evaluate the possible impact of the drive system. Simulation results demonstrate the effectiveness of the proposed SVPWM Overmodulation algorithm applied on sensorless speed control of a salient-pole Synchronous Machine (SM) via Matlab/Simulink utility.
Keywords :
PWM invertors; angular velocity control; sensorless machine control; synchronous motor drives; voltage control; Matlab-Simulink utility; SVPWM overmodulation technique; SVPWM strategy; VSI; correcting function method; drive system; frequency analysis; linear modulation; motor currents; salient-pole synchronous machine; sensorless speed control; six-step mode; voltage correcting function; voltage regulation; voltage source inverter; Inverters; Space vector pulse width modulation; Vectors; Voltage control; SVPWM Overmodulation; SVPWM Voltage Correcting Function (VCF); Six-Step Operation; Synchronous Machine (SM);
Conference_Titel :
Power Electronics for Distributed Generation Systems (PEDG), 2012 3rd IEEE International Symposium on
Conference_Location :
Aalborg
Print_ISBN :
978-1-4673-2021-4
Electronic_ISBN :
978-1-4673-2022-1
DOI :
10.1109/PEDG.2012.6254076
