Title :
A dual-bridge inverter approach to eliminating common-mode voltages and bearing and leakage currents
Author :
von Jauanne, A. ; Zhang, Haoran
Author_Institution :
Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA
fDate :
1/1/1999 12:00:00 AM
Abstract :
This paper presents a dual-bridge inverter approach to eliminate the motor common-mode voltage and resulting bearing and leakage currents. The novel dual-bridge inverter is controlled to generate balanced excitation of the induction motor under pulsewidth modulation (PWM) inverter operation. Theoretical analysis, simulation results, and experimental results are presented to verify this concept
Keywords :
PWM invertors; bridge circuits; induction motors; leakage currents; machine bearings; PWM inverter; bearing currents elimination; common-mode voltages elimination; dual-bridge inverter; induction motor balanced excitation; leakage currents elimination; pulsewidth modulation inverter; Filters; Induction generators; Induction motors; Leakage current; Pulse inverters; Pulse width modulation inverters; Shafts; Stator windings; Variable speed drives; Voltage;
Journal_Title :
Power Electronics, IEEE Transactions on
