Title :
Mitigation of the adverse effects of PWM inverter through active filter technique
Author :
Esmaeli, Abdolreza ; Sun, Yaxiu ; Sun, Li
Author_Institution :
Dept. of Nat. Radiat. Protection, Iranian Nucl. Regul. Authority, Tehran
Abstract :
Mitigation of the adverse effects of PWM inverter through active filter technique is discussed in this paper. A PWM inverter fed ac motor drive system capable of suppressing all the adverse effects of PWM inverter based on active cancellation method is developed. An active EMI filter proposed for this system is characterized by sophisticated connection of two small separate filters, which they can mitigate common mode voltages produced by PWM inverter and can suppress leakage current. As a result small active filter with ability of reducing of all the adverse effects is approached. Whole system is modeled and simulated based on SABER simulator. Simulations are verified by experimental results, which show the reduction characteristics of the shaft voltage, bearing current, common mode current, and leakage current
Keywords :
AC motor drives; PWM invertors; active filters; electromagnetic interference; interference suppression; leakage currents; power filters; PWM inverter; SABER simulator; ac motor drive system; active EMI filter; active cancellation method; active filter technique; adverse effect mitigation; bearing current; common mode current; common mode voltages; leakage current; shaft voltage; AC motors; Active filters; Electromagnetic interference; Induction motors; Passive filters; Pulse inverters; Pulse width modulation; Pulse width modulation inverters; Rectifiers; Voltage;
Conference_Titel :
Systems and Control in Aerospace and Astronautics, 2006. ISSCAA 2006. 1st International Symposium on
Conference_Location :
Harbin
Print_ISBN :
0-7803-9395-3
DOI :
10.1109/ISSCAA.2006.1627443
