Estimation of radiation efficiency of GaN Half-bridge based submodule system for radiated EMI prediction

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Abstract

Predicting radiated emissions in large and complex power systems is difficult under a single set operational conditions, however when flexibility is introduced it becomes near impossible without using thousands of Monte-Carlo type simulations. In this paper it is suggested to estimate the radiation efficiency (i.e. transfer function) of a power system based on a novel theoretical model and a limited amount of measurements under operating conditions. The switching power system is modeled as a LTI-system that is excited by a known Sinusoidal Pulse Width Modulation (sPWM) source, i.e. the switching node voltage waveform. The theoretical model simplifies the estimation of the sPWM power spectrum, while its amplitude is also independent of modulation index. By measuring radiated electric fields and calculating Effective Radiated Power (ERP) one can estimate the system radiation efficiency in a novel way. The derived efficiency can eventually be used to optimize the radiated EMI, for instance by avoiding highly radiative frequencies in the signal generation.
Original languageEnglish
Title of host publication2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE)
Place of PublicationUSA
PublisherIEEE Electromagnetic Compatibility Society
Pages102-107
Number of pages6
ISBN (Electronic)978-1-4673-9698-1
ISBN (Print)978-1-4673-9699-8
DOIs
Publication statusPublished - 8 Oct 2018
EventEMC EUROPE 2018: International Symposium on Electromagnetic Compatibility - Beurs van Berlage, Amsterdam, Netherlands
Duration: 27 Aug 201830 Aug 2018
https://www.emceurope2018.org/

Conference

ConferenceEMC EUROPE 2018
Abbreviated titleEMC EUROPE
CountryNetherlands
CityAmsterdam
Period27/08/1830/08/18
Internet address

Fingerprint

Radiation
Pulse width modulation
Power spectrum
Transfer functions
Electric fields
Modulation
Electric potential

Cite this

van Diemen, C., Moonen, D. J. G., & Leferink, F. (2018). Estimation of radiation efficiency of GaN Half-bridge based submodule system for radiated EMI prediction. In 2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE) (pp. 102-107). [8485132] USA: IEEE Electromagnetic Compatibility Society. https://doi.org/10.1109/EMCEurope.2018.8485132
van Diemen, Chris ; Moonen, Dominicus Johannes Guilielmus ; Leferink, Frank. / Estimation of radiation efficiency of GaN Half-bridge based submodule system for radiated EMI prediction. 2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE). USA : IEEE Electromagnetic Compatibility Society, 2018. pp. 102-107
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abstract = "Predicting radiated emissions in large and complex power systems is difficult under a single set operational conditions, however when flexibility is introduced it becomes near impossible without using thousands of Monte-Carlo type simulations. In this paper it is suggested to estimate the radiation efficiency (i.e. transfer function) of a power system based on a novel theoretical model and a limited amount of measurements under operating conditions. The switching power system is modeled as a LTI-system that is excited by a known Sinusoidal Pulse Width Modulation (sPWM) source, i.e. the switching node voltage waveform. The theoretical model simplifies the estimation of the sPWM power spectrum, while its amplitude is also independent of modulation index. By measuring radiated electric fields and calculating Effective Radiated Power (ERP) one can estimate the system radiation efficiency in a novel way. The derived efficiency can eventually be used to optimize the radiated EMI, for instance by avoiding highly radiative frequencies in the signal generation.",
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van Diemen, C, Moonen, DJG & Leferink, F 2018, Estimation of radiation efficiency of GaN Half-bridge based submodule system for radiated EMI prediction. in 2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE)., 8485132, IEEE Electromagnetic Compatibility Society, USA, pp. 102-107, EMC EUROPE 2018, Amsterdam, Netherlands, 27/08/18. https://doi.org/10.1109/EMCEurope.2018.8485132

Estimation of radiation efficiency of GaN Half-bridge based submodule system for radiated EMI prediction. / van Diemen, Chris; Moonen, Dominicus Johannes Guilielmus; Leferink, Frank.

2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE). USA : IEEE Electromagnetic Compatibility Society, 2018. p. 102-107 8485132.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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AB - Predicting radiated emissions in large and complex power systems is difficult under a single set operational conditions, however when flexibility is introduced it becomes near impossible without using thousands of Monte-Carlo type simulations. In this paper it is suggested to estimate the radiation efficiency (i.e. transfer function) of a power system based on a novel theoretical model and a limited amount of measurements under operating conditions. The switching power system is modeled as a LTI-system that is excited by a known Sinusoidal Pulse Width Modulation (sPWM) source, i.e. the switching node voltage waveform. The theoretical model simplifies the estimation of the sPWM power spectrum, while its amplitude is also independent of modulation index. By measuring radiated electric fields and calculating Effective Radiated Power (ERP) one can estimate the system radiation efficiency in a novel way. The derived efficiency can eventually be used to optimize the radiated EMI, for instance by avoiding highly radiative frequencies in the signal generation.

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van Diemen C, Moonen DJG, Leferink F. Estimation of radiation efficiency of GaN Half-bridge based submodule system for radiated EMI prediction. In 2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE). USA: IEEE Electromagnetic Compatibility Society. 2018. p. 102-107. 8485132 https://doi.org/10.1109/EMCEurope.2018.8485132