Title :
Design of a PWM inverter regarding conducted EMC and losses: influence of some key parameters
Author :
Guichon, J.M. ; Schanen, J.L. ; Roudet, J. ; Meille, R. ; Revol, B.
Author_Institution :
Laboratoire d´´Electrotechnique de Grenoble, CNRS UMR, St. Martin d´´Heres, France
Abstract :
An analytical model of both EMC and losses of a PWM inverter is presented, taking into account the most significant parameters. EMC representation replaces semiconductors with equivalent disturbance sources. Then, solving is achieved using simple transfer functions. Conduction losses are evaluated from on state voltage drop (taken from datasheet) and current in the switches. Commutation losses are computed from reference switching energy (datasheet) considered linear with the switched current. Based on this analytical approach, it is easy to investigate the role of the key design parameters of the inverter, regarding EMC and losses aspects. PWM strategy is thus investigated, as well as the DC bus level. Some variations on component technology are also presented.
Keywords :
PWM invertors; design engineering; electromagnetic compatibility; losses; switches; transfer functions; EMC; PWM inverter; commutation losses; conduction losses; equivalent disturbance sources; reference switching energy; transfer functions; voltage drop; Analytical models; Capacitors; Electromagnetic compatibility; Electromagnetic interference; Low voltage; Pulse width modulation; Pulse width modulation inverters; Shape; Space vector pulse width modulation; Switching loss;
Conference_Titel :
Industry Applications Conference, 2005. Fourtieth IAS Annual Meeting. Conference Record of the 2005
Print_ISBN :
0-7803-9208-6
DOI :
10.1109/IAS.2005.1518699
