MATLAB Simulation for Electrically Excited Synchronous Motors with Low Switching Frequency

doi:10.16182/j.issn1004731x.joss.201806021

Abstract

Abstract: Switch loss is one of the main energy consumption of the high power transmission system, while the low switching frequency approach is an effective way to improve above issues. However, it will result in a severe harmonic distortion and further affect the control performance. A selective harmonic elimination pulse width modulation (SHEPWM) strategy has been used to ensure the low energy consumption operation of a diode clamped three-level converter whose load is a high power electrically excited synchronous motors (EESM). For the SHEPWM's characteristics of specific harmonic elimination and harmonic energy moving on the high order, a simple high-pass harmonic filter is designed. The whole control system of the EESM is established based on the MATLAB/Simulink to verify the effectiveness of the designed strategy.

Key words: electrically excited synchronous motors (EESM), low switching frequency, SHEPWM, MATLAB simulation, harmonic energy transmission

CLC Number:

TM341

Yuan Qingqing, Song Bin, Yang Na. MATLAB Simulation for Electrically Excited Synchronous Motors with Low Switching Frequency[J]. Journal of System Simulation, 2018, 30(6): 2168-2174.

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