EMI modeling of half-bridge inverter using a generalized terminal model

A generalized terminal model has been proposed to predict the conducted electromagnetic interference (EMI) from a boost converter. The results of conducted emissions have shown a good agreement up to 50 MHz. The same technique was also successfully applied to extract a terminal model of buck convert...

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Bibliographic Details
Main Authors: Bishnoi, H, Baisden, A C, Mattavelli, P, Boroyevich, D
Format: Conference Proceeding
Language:English
Subjects:
Computational modeling
Converters
Electromagnetic interference
Impedance
Integrated circuit modeling
Inverters
Mathematical model
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Summary:A generalized terminal model has been proposed to predict the conducted electromagnetic interference (EMI) from a boost converter. The results of conducted emissions have shown a good agreement up to 50 MHz. The same technique was also successfully applied to extract a terminal model of buck converter. This paper extends the generalized terminal modeling approach to a larger class of power converters by attempting to model a dc-ac converter from the dc terminal side. Modeling the terminal behavior of an ac system is more challenging than it is for dc-dc converters because of the time-varying converter operating point. The proposed technique is applied to a single-phase half-bridge inverter to show its versatility in modeling conducted emissions from ac systems. Measured and predicted conducted emissions from a half-bridge inverter are in a good agreement within 6 dB up to 30 MHz.
ISSN:1048-2334
2470-6647
DOI:10.1109/APEC.2011.5744638