Conducted Electromagnetic Interference Spectral Peak Mitigation in Luo-Converter Using FPGA-Based Chaotic PWM Technique

Sudhakar Natarajan, Pydikalva Padmavathi, Jyotheeswara Reddy Kalvakurthi, Thanikanti Sudhakar Babu, Vigna K. Ramachandaramurthy, Sanjeevikumar Padmanaban

Research output: Contribution to journalArticle

Abstract

Chaotic switching is a newly evolve randomization method which suppress the conducted electromagnetic interference generated within the DC-DC converter. It can also suppress the spectral peaks present in the frequency band effectively by spread spectrum technique and spread it over the wide range of frequency band implying electromagnetic interference (EMI) suppression. In this article, a chaotic pulse width modulation technique based on randomized carrier frequency modulation with fixed duty ratio is generated through field programable gate array for suppressing the conducted electromagnetic interference generated within the Luo-converter. A hardware prototype of Luo-converter is developed in order to analyze EMI reduction through power spectral density 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 pulse width modulation switching under both boost and buck operation of Luo-converter.

Original languageEnglish
Pages (from-to)838-848
Number of pages11
JournalElectric Power Components and Systems
Volume47
Issue number9-10
DOIs
Publication statusPublished - 15 Jun 2019

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Signal interference
Pulse width modulation
Field programmable gate arrays (FPGA)
Frequency bands
Hardware
Interference suppression
Power spectral density
Frequency modulation
DC-DC converters

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Natarajan, Sudhakar ; Padmavathi, Pydikalva ; Kalvakurthi, Jyotheeswara Reddy ; Sudhakar Babu, Thanikanti ; Ramachandaramurthy, Vigna K. ; Padmanaban, Sanjeevikumar. / Conducted Electromagnetic Interference Spectral Peak Mitigation in Luo-Converter Using FPGA-Based Chaotic PWM Technique. In: Electric Power Components and Systems. 2019 ; Vol. 47, No. 9-10. pp. 838-848.
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Conducted Electromagnetic Interference Spectral Peak Mitigation in Luo-Converter Using FPGA-Based Chaotic PWM Technique. / Natarajan, Sudhakar; Padmavathi, Pydikalva; Kalvakurthi, Jyotheeswara Reddy; Sudhakar Babu, Thanikanti; Ramachandaramurthy, Vigna K.; Padmanaban, Sanjeevikumar.

In: Electric Power Components and Systems, Vol. 47, No. 9-10, 15.06.2019, p. 838-848.

Research output: Contribution to journalArticle

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