Title :
Influence of the inverter characteristics on the harmonic losses in PWM fed traction motors
Author :
Tong, Laisheng ; Wu, Guangning ; Shu, Fengxiang Wen Wen ; He, Enguang
Author_Institution :
Sch. of Electr. Eng., Southwest Jiaotong Univ., Sichuan, China
Abstract :
The paper focuses on the effects of the inverter characteristics on the losses increment traction motors fed by pulse width modulation (PWM) controlled converters. Using the MATLAB soft, the AC-DC-AC equivalent model is founded on the principle of sinusoidal pulse width modulation (SPWM). The harmonic spectrum of steady-state operation is simulated using this model. In particular, the influence of the following inverter parameters is considered: modulation index, rise time of pulse and switch frequency. The curve of harmonic loss factor (HLF) with a variation of these parameters is given. The simulation results can be used for purposes, such as loss-optimized design of converter machine system, and cooling system design.
Keywords :
AC-DC power convertors; DC-AC power convertors; PWM invertors; electric machine analysis computing; machine control; power conversion harmonics; traction motor drives; AC-DC-AC equivalent model; HLF; MATLAB simulation; PWM fed traction motors; SPWM; converter machine system; cooling system design; harmonic loss factor; harmonic spectrum; inverter characteristics; inverter parameters; loss-optimized design; modulation index; sinusoidal pulse width modulation; MATLAB; Mathematical model; Pulse inverters; Pulse width modulation; Pulse width modulation converters; Pulse width modulation inverters; Space vector pulse width modulation; Steady-state; Switches; Traction motors;
Conference_Titel :
Electrical Insulating Materials, 2005. (ISEIM 2005). Proceedings of 2005 International Symposium on
Print_ISBN :
4-88686-063-X
DOI :
10.1109/ISEIM.2005.193567
