Abstract

A simplified equivalent circuit of electric powertrain system of hybrid electrical vehicle (HEV) is proposed to research and investigate into the impact of pulse width modulation (PWM) strategies of voltage source inverter (VSI) on the DC-link capacitor in HEVs. Then, analytical solutions to the switching function are introduced based on space vector PWM (SVPWM) and discontinuous PWM (DPWM) schemes. Furthermore, the DC-link capacitor current is characterized with analytical solution and simulation method to quantify the impact of various PWM schemes on the current ripple. Finally, both the reliability and the lifetime of DC-link capacitor are discussed based the spectrum of DC-link capacitor current.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.