Title :
Modeling and analysis of common-mode voltages generated in medium voltage PWM-CSI drives
Author :
Rodríguez, José ; Morán, Luis ; Pontt, Jorge ; Osorio, Ruben ; Kouro, Samir
Author_Institution :
Electron. Eng. Dept., Univ. Tecnica Federico Santa Maria, Valparaiso, Chile
fDate :
5/1/2003 12:00:00 AM
Abstract :
Common-mode voltages appear in pulse-width modulated current-source inverters (PWM-CSIs) drives due to the operating principles of the input rectifier and the output inverter. This paper presents the modeling and analysis of a medium voltage current-source inverter drive, using the Matlab software. Simulated results of the model are in close agreement with experimental waveforms obtained from an industrial AC drive, which shows overvoltages of up to 100%, generating important insulation stresses at the motor stator terminals.
Keywords :
AC motor drives; DC-AC power convertors; PWM invertors; circuit analysis computing; electric machine analysis computing; MV CSI; Matlab; PWM current-source inverters; common-mode voltages; computer simulation; industrial AC motor drives; input rectifier; insulation stresses; motor stator terminals; operating principles; output inverter; overvoltages; AC generators; Insulation; Mathematical model; Medium voltage; Pulse inverters; Pulse width modulation; Pulse width modulation inverters; Rectifiers; Stress; Surges;
Journal_Title :
Power Electronics, IEEE Transactions on
DOI :
10.1109/TPEL.2003.810855
