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Article: An Active EMI Choke for Both Common- and Differential-Mode Noise Suppression

TitleAn Active EMI Choke for Both Common- and Differential-Mode Noise Suppression
Authors
KeywordsElectromagnetic interference
Inductors
Impedance
Windings
Inductance
Issue Date2018
PublisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=41
Citation
IEEE Transactions on Industrial Electronics, 2018, v. 65 n. 6, p. 4640-4649 How to Cite?
AbstractIn this paper, an active electromagnetic interference (EMI) choke for both common-mode (CM) and differential-mode (DM) noise suppression is proposed. Three isolated windings with a different number of turns are wound on the same magnetic core. One of the windings is served as the auxiliary winding connecting to an active circuit called the negative impedance circuit. The inductance of the EMI choke is substantially boosted up to effectively attenuate the low-frequency noise. This technique leads to a greater inductance but fewer turns and smaller size of the EMI choke. Different from the design of a conventional EMI filter, which uses separated CM and DM chokes, this proposal saves the cost and space of the EMI filter. The enhancement to the CM and DM impedance is individually analyzed and experimentally confirmed. Based on the classical CM and DM noise models, CM and DM noise insertion losses are predicted using computer simulation. The simulation results are validated by a network impedance analyzer. Finally, conducted EMI tests are carried out to verify the effectiveness of the proposed technique.
Persistent Identifierhttp://hdl.handle.net/10722/278152
ISSN
2023 Impact Factor: 7.5
2023 SCImago Journal Rankings: 3.395
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXU, D-
dc.contributor.authorLee, CK-
dc.contributor.authorKiratipongvoot, S-
dc.contributor.authorNg, WM-
dc.date.accessioned2019-10-04T08:08:30Z-
dc.date.available2019-10-04T08:08:30Z-
dc.date.issued2018-
dc.identifier.citationIEEE Transactions on Industrial Electronics, 2018, v. 65 n. 6, p. 4640-4649-
dc.identifier.issn0278-0046-
dc.identifier.urihttp://hdl.handle.net/10722/278152-
dc.description.abstractIn this paper, an active electromagnetic interference (EMI) choke for both common-mode (CM) and differential-mode (DM) noise suppression is proposed. Three isolated windings with a different number of turns are wound on the same magnetic core. One of the windings is served as the auxiliary winding connecting to an active circuit called the negative impedance circuit. The inductance of the EMI choke is substantially boosted up to effectively attenuate the low-frequency noise. This technique leads to a greater inductance but fewer turns and smaller size of the EMI choke. Different from the design of a conventional EMI filter, which uses separated CM and DM chokes, this proposal saves the cost and space of the EMI filter. The enhancement to the CM and DM impedance is individually analyzed and experimentally confirmed. Based on the classical CM and DM noise models, CM and DM noise insertion losses are predicted using computer simulation. The simulation results are validated by a network impedance analyzer. Finally, conducted EMI tests are carried out to verify the effectiveness of the proposed technique.-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=41-
dc.relation.ispartofIEEE Transactions on Industrial Electronics-
dc.rightsIEEE Transactions on Industrial Electronics. Copyright © Institute of Electrical and Electronics Engineers.-
dc.rights©20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.-
dc.subjectElectromagnetic interference-
dc.subjectInductors-
dc.subjectImpedance-
dc.subjectWindings-
dc.subjectInductance-
dc.titleAn Active EMI Choke for Both Common- and Differential-Mode Noise Suppression-
dc.typeArticle-
dc.identifier.emailLee, CK: cklee@eee.hku.hk-
dc.identifier.emailNg, WM: waimanng@hku.hk-
dc.identifier.authorityLee, CK=rp01580-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/TIE.2017.2764859-
dc.identifier.scopuseid_2-s2.0-85042215701-
dc.identifier.hkuros306281-
dc.identifier.volume65-
dc.identifier.issue6-
dc.identifier.spage4640-
dc.identifier.epage4649-
dc.identifier.isiWOS:000425618900021-
dc.publisher.placeUnited States-
dc.identifier.issnl0278-0046-

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