The hybrid PWM technology of synchronous SPWM modulation, asynchronous SPWM modulation and SHEPWM modulation is adopted in the traction transmission system of subway vehicles. Based on FPGA platform, a waveform generator with hybrid pulse width modulation technology is designed, which can load the period value arbitrarily and realize the switching of different modulation modes. The solution of switching Angle in specific harmonic elimination PWM method and the CORDIC algorithm used in synchronous and asynchronous modulation are analyzed emphatically.
Hybrid PWM Strategy Based on FPGA
Lect. Notes Electrical Eng.
International Conference on Electrical and Information Technologies for Rail Transportation ; 2021 October 21, 2021 - October 23, 2021
Proceedings of the 5th International Conference on Electrical Engineering and Information Technologies for Rail Transportation (EITRT) 2021 ; Kapitel : 25 ; 211-216
2022-02-22
6 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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