Title :
Investigation and Suppression of the Adverse Effects of PWM Inverter through Passive Filter Technique
Author :
Esmaeli, Abdolreza ; Zhao, Ke ; Sun, Li ; Wu, Qun
Author_Institution :
Sch. of Electr. Eng. & Autom., Harbin Inst. of Technol.
Abstract :
A PWM inverter fed AC induction motor drive system capable of suppressing all the adverse effects of PWM inverter is developed in this paper. A passive electromagnetic interference (EMI) filter is proposed, designed, and tested for a 4-kW drive system, is characterized by sophisticated connection of two small passive filters can compensate for common mode voltages produced by PWM inverter and can suppress leakage current. An equivalent common-mode circuit for the drive system equipped with the EMI filter is derived from experimental waveforms along with theoretical discussions verifies that the EMI filter is viable and effective in eliminating all adverse effects of PWM inverter
Keywords :
PWM invertors; electromagnetic interference; equivalent circuits; induction motor drives; leakage currents; passive filters; power filters; 4 kW; EMI filter; PWM inverter fed AC induction motor drive system; drive system; electromagnetic interference; equivalent common-mode circuit; leakage current suppression; passive filter technique; AC motors; Cables; Capacitors; Electromagnetic interference; Heat sinks; Leakage current; Passive filters; Pulse width modulation inverters; Rectifiers; Voltage;
Conference_Titel :
Industrial Electronics and Applications, 2006 1ST IEEE Conference on
Conference_Location :
Singapore
Print_ISBN :
0-7803-9513-1
Electronic_ISBN :
0-7803-9514-X
DOI :
10.1109/ICIEA.2006.257359
