Modeling and Mitigation on Conducted Emission for Switch Mode Power Supply

LI Lin

Modeling and Mitigation on Conducted Emission for Switch Mode Power Supply

LI Lin * §

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§ Jiangsu Institute of Metrology, Nanjing Normal Unive...

Modeling and Mitigation on Conducted Emission for Switch Mode Power Supply

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Abstract

The switch mode power supply (SMPS) have been widely used in the electrical and electronics systems for AC-DC and DC-DC power conversion, which can generate a lot of electromagnetic interference (EMI), especially conducted emission (CE) from 9kHz to 30MHz. The traditional CE models and mechanisms have been present for three line systems, including live, neutral and ground lines, while a novel CE models and mechanisms have been proposed in the paper for two line SMPS. And the voltage division factor, isolation factor and impedance under SMPS side of artificial mains network have been studied based on high frequency parasitic parameters to analyze the CE measurement uncertainty. Moreover, three methods have been designed to reduce the CE of SMPS, such as the capacitor shunt between the source and drain electrodes of MOSFET, CM choke and crosstalk choke, and the capacitors matrix.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

LI Lin. 2017. "Modeling and Mitigation on Conducted Emission for Switch Mode Power Supply". Global Journal of Research in Engineering - F: Electrical & Electronic GJRE-F Volume 17 (GJRE Volume 17 Issue F2).

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GJRE Volume 17 Issue F2

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

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Classification

GJRE-F Classification FOR Code: 290901

Submission ReceivedDecember 15, 2016
Peer Review Double Blind
Handling Editor
Accepted January 5, 2017
Published June 9, 2017

Version of record

v1.2

Issue date

June 9, 2017

Language

English

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Article Matrices

Total Score: 134

Country: China

Subject: Global Journal of Research in Engineering - F: Electrical & Electronic

Authors: LI Lin, QIU Dongmei, YAN Wei, Gao Xiang (PhD/Dr. count: 0)

View Count (all-time): 409

Total Views (Real + Logic): 957

Total Downloads (simulated): 49

Publish Date: 2017 01, Sun

Monthly Totals (Real + Logic):

Month 1: 62 views
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Total Views: 957

Total Downloads: 49

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