Title :
An accurate high frequency model of AC PWM drive systems for EMC analysis
Author :
Boglietti, A. ; Carpaneto, E.
Author_Institution :
Dipartimento di Ingegneria Elettrica Ind., Politecnico di Torino, Italy
Abstract :
The aim of this work is to give an accurate high frequency model of a complete AC PWM drive, starting from the transformer of the main power source, to the electrical motor. The proposed model allows to analyse the effects of the high dV/dt applied by the PWM inverter on the overvoltages and on the leakage currents that flow through the stray capacitance of the system. Both the effects cause electromagnetic interference in the electrical networks which supply the AC drives. All the electrical components involved in the AC drive are considered and their role on the high frequency effects are analyzed.
Keywords :
AC motor drives; DC-AC power convertors; PWM invertors; electromagnetic compatibility; electromagnetic interference; high-frequency effects; leakage currents; machine theory; overvoltage; power transformers; AC PWM invertor-fed motor drive; EMC analysis; electromagnetic interference; high dV/dt effects modelling; high frequency effects; high frequency model; leakage currents; overvoltages; stray capacitance; transformer; AC motors; Capacitance; Electromagnetic compatibility; Electromagnetic interference; Frequency; Leakage current; Power system modeling; Pulse width modulation; Pulse width modulation inverters; Surges;
Conference_Titel :
Industry Applications Conference, 2001. Thirty-Sixth IAS Annual Meeting. Conference Record of the 2001 IEEE
Conference_Location :
Chicago, IL, USA
Print_ISBN :
0-7803-7114-3
DOI :
10.1109/IAS.2001.955619
