Preprint Article Version 1 This version is not peer-reviewed

Conducted Electro Magnetic Interference Spectral Peak Mitigation in Luo Converter Implementation Using FPGA Based Chaotic PWM Technique

Version 1 : Received: 8 April 2018 / Approved: 9 April 2018 / Online: 9 April 2018 (09:00:19 CEST)

How to cite: Natarajan, S.; Padmanaban, S.; Sudhakar Babu, T. Conducted Electro Magnetic Interference Spectral Peak Mitigation in Luo Converter Implementation Using FPGA Based Chaotic PWM Technique. Preprints 2018, 2018040101 (doi: 10.20944/preprints201804.0101.v1). Natarajan, S.; Padmanaban, S.; Sudhakar Babu, T. Conducted Electro Magnetic Interference Spectral Peak Mitigation in Luo Converter Implementation Using FPGA Based Chaotic PWM Technique. Preprints 2018, 2018040101 (doi: 10.20944/preprints201804.0101.v1).

Abstract

Chaotic switching is a newly evolve randomization method which can suppress conducted electromagnetic interference generated within the DC-DC converter. It can suppress the spectral peaks present in the frequency band effectively by spread spectrum technique and can spread it over the wide range of frequency band implying EMI suppression. In this paper, a chaotic PWM technique based on RCFMFD scheme is generated through Field programmable gate array (FPGA) for suppressing the conducted electromagnetic interference (EMI) generated within the Luo converter. A hardware prototype of Luo converter was developed in order to analyze EMI reduction through FFT analysis by comparing both traditional periodic PWM switching and chaotic PWM switching. The results obtained from the hardware setup shows significant reduction of EMI with Chaotic switching as compared to traditional PWM switching for both boost and buck operation of Luo converter.

Subject Areas

EMI; Luo-converter; chaotic PWM technique; FPGA; RCFMFD

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