SEPIC Converter with an LC Regenerative Snubber for EV Applications

Abdalkreem Kasasbeh, Burak Kelleci, Salih Baris Ozturk, Ahmet Aksoz and Omar Hegazy
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Abdalkreem Kasasbeh: Department of Electrical and Electronics Engineering, Istanbul Okan University, Istanbul 34959, Turkey
Burak Kelleci: Department of Electrical and Electronics Engineering, Istanbul Okan University, Istanbul 34959, Turkey
Salih Baris Ozturk: Department of Electrical Engineering, Istanbul Technical University, Istanbul 34469, Turkey
Ahmet Aksoz: MOBI Research Group, ETEC Department, Vrije Universiteit Brussel (VUB), 1050 Brussels, Belgium
Omar Hegazy: MOBI Research Group, ETEC Department, Vrije Universiteit Brussel (VUB), 1050 Brussels, Belgium

Energies, 2020, vol. 13, issue 21, 1-16

Abstract: A Single-Ended Primary-Inductor Converter (SEPIC) converter with an Inductor-Capacitor (LC) regenerative snubber is proposed to reduce Electromagnetic Interference (EMI) for Electric Vehicle (EV) applications. The switching energy is transferred through a capacitor to an inductor which is coupled to SEPIC inductors. This technique reduces the number of components and also returns some of switching energy to SEPIC converter. The mathematical analysis and optimization of LC snubber with respect to number of turns is also presented. Spice simulations and experimental results are provided to verify its performance. The proposed LC regenerative snubber reduces the peak voltage by 16 V on the switching transistor during the switching transient. It is also indicated that 8 dB reduction is achieved in the EMI measurements at ringing frequency and 10 dB reduction at high frequency band.

Keywords: electric vehicle; SEPIC converter; snubber circuit; regenerative snubber; EMI suppression (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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