Publication: Design of a novel SPWM based on bat-like reference signal technique for EV applications
No Thumbnail Available
Date
2020
Authors
Khalil Al- Jafeary I.M.
Tan N.M.L.
Journal Title
Journal ISSN
Volume Title
Publisher
Institute of Electrical and Electronics Engineers Inc.
Abstract
The sinusoidal pulse-width modulation (SPWM) technique is typically used for three-phase voltage source inverter (VSI) in low-voltage motor drives due to its simplicity and reliability. However, these VSI face increasing challenge to minimize electromagnetic interference (EMI) and increase power quality. This paper proposes a new SPWM switching based on a Bat-like reference signal that has the advantages of minimizing the output-voltage total harmonics distortion (THDv), lowering the switch rate of change in voltage (dv/dt), reducing the number of switching transitions, and increasing the peak and r.m.s. ac output voltage of the three-phase VSI. The proposed switching technique is verified using Matlab/Simulik on a 2-kW, 300-V three-phase VSI connected to an RL load. This technique shows improvement in reducing the output-voltage THDv by 36% and lowering the number of switching transition by 60% as compared to SPWM switching that is based on singlefrequency signal. Moreover, the dv/dt is low and the peak output voltage is increase by approximately 17%. � 2020 IEEE.
Description
Electric inverters; Electromagnetic pulse; Signal processing; Voltage control; Reference signals; Single-frequency; Sinusoidal pulse width modulation; Switching techniques; Switching transitions; Three phase vsi; Three-phase voltage source inverters; Total harmonics distortions; Switching