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Article: Some electromagnetic aspects of coreless PCB transformers

TitleSome electromagnetic aspects of coreless PCB transformers
Authors
KeywordsCopper
Electromagnetic Wave Interference
Frequencies
Gates (Transistor)
Mathematical Models
Power Integrated Circuits
Printed Circuit Boards
Issue Date2000
PublisherIEEE
Citation
Ieee Transactions On Power Electronics, 2000, v. 15 n. 4, p. 805-810 How to Cite?
AbstractIn this paper, some EMI aspects of using coreless PCB transformers are addressed. Based on the antenna theory, the radiated power of a coreless PCB transformer is estimated and found to be negligible. The electromagnetic field plot of a power electronic circuit using a gate drive circuit isolated by a coreless PCB transformer has been recorded. The major radiated EMI source in the frequency range of 30 MHz to 300 MHz is found to be the copper tracks of the power circuit, where switching transients occur, rather than the coreless PCB transformer. Coreless PCB transformers essentially operate at relatively low frequency (8 MHz in this case) by near-field magnetic coupling. Experimental results have confirmed that the application of coreless PCB transformer in gate drive circuit will not impose any serious EMI problem on the power electronic circuit.
Persistent Identifierhttp://hdl.handle.net/10722/136836
ISSN
2015 Impact Factor: 4.953
2015 SCImago Journal Rankings: 3.005
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHui, SYen_HK
dc.contributor.authorTang, SCen_HK
dc.contributor.authorChung, HSHen_HK
dc.date.accessioned2011-07-29T02:13:02Z-
dc.date.available2011-07-29T02:13:02Z-
dc.date.issued2000en_HK
dc.identifier.citationIeee Transactions On Power Electronics, 2000, v. 15 n. 4, p. 805-810en_HK
dc.identifier.issn0885-8993en_HK
dc.identifier.urihttp://hdl.handle.net/10722/136836-
dc.description.abstractIn this paper, some EMI aspects of using coreless PCB transformers are addressed. Based on the antenna theory, the radiated power of a coreless PCB transformer is estimated and found to be negligible. The electromagnetic field plot of a power electronic circuit using a gate drive circuit isolated by a coreless PCB transformer has been recorded. The major radiated EMI source in the frequency range of 30 MHz to 300 MHz is found to be the copper tracks of the power circuit, where switching transients occur, rather than the coreless PCB transformer. Coreless PCB transformers essentially operate at relatively low frequency (8 MHz in this case) by near-field magnetic coupling. Experimental results have confirmed that the application of coreless PCB transformer in gate drive circuit will not impose any serious EMI problem on the power electronic circuit.en_HK
dc.languageengen_US
dc.publisherIEEEen_US
dc.relation.ispartofIEEE Transactions on Power Electronicsen_HK
dc.subjectCopperen_US
dc.subjectElectromagnetic Wave Interferenceen_US
dc.subjectFrequenciesen_US
dc.subjectGates (Transistor)en_US
dc.subjectMathematical Modelsen_US
dc.subjectPower Integrated Circuitsen_US
dc.subjectPrinted Circuit Boardsen_US
dc.titleSome electromagnetic aspects of coreless PCB transformersen_HK
dc.typeArticleen_HK
dc.identifier.emailHui, SY:ronhui@eee.hku.hken_HK
dc.identifier.authorityHui, SY=rp01510en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/63.849052en_HK
dc.identifier.scopuseid_2-s2.0-0034224695en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034224695&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume15en_HK
dc.identifier.issue4en_HK
dc.identifier.spage805en_HK
dc.identifier.epage810en_HK
dc.identifier.isiWOS:000088086700025-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridHui, SY=7202831744en_HK
dc.identifier.scopusauthoridTang, SC=24340444700en_HK
dc.identifier.scopusauthoridChung, HSH=7404007467en_HK

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