Parasitic capacitance cancellation in filter inductors
This paper introduces a technique for improving the high-frequency performance of filter inductors and common-mode chokes by cancelling out the effects of parasitic capacitance. This technique uses additional passive components to inject a compensation current that cancels the parasitic current, the...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
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Institute of Electrical and Electronics Engineers (IEEE)
2014
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| Online Access: | http://hdl.handle.net/1721.1/86913 https://orcid.org/0000-0002-0746-6191 |
| _version_ | 1811097067100045312 |
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| author | Neugebauer, Timothy C. Perreault, David J. |
| author2 | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science |
| author_facet | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Neugebauer, Timothy C. Perreault, David J. |
| author_sort | Neugebauer, Timothy C. |
| collection | MIT |
| description | This paper introduces a technique for improving the high-frequency performance of filter inductors and common-mode chokes by cancelling out the effects of parasitic capacitance. This technique uses additional passive components to inject a compensation current that cancels the parasitic current, thereby improving high-frequency filtering performance. Two implementation approaches for this technique are introduced. The first implementation achieves cancellation using an additional small winding on the filter inductor and a small capacitor. This approach is effective where very high coupling of the windings can be achieved or where only moderate performance improvements are required. The second implementation utilizes a small radio frequency transformer in parallel with the filter inductor to inject cancellation currents from the compensation capacitor. This technique requires an additional component (the transformer), but can provide a high degree of cancellation. Experimental results confirm the theory in both implementations. |
| first_indexed | 2024-09-23T16:53:48Z |
| format | Article |
| id | mit-1721.1/86913 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T16:53:48Z |
| publishDate | 2014 |
| publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| record_format | dspace |
| spelling | mit-1721.1/869132022-09-29T22:14:59Z Parasitic capacitance cancellation in filter inductors Neugebauer, Timothy C. Perreault, David J. Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Perreault, David J. Perreault, David J. This paper introduces a technique for improving the high-frequency performance of filter inductors and common-mode chokes by cancelling out the effects of parasitic capacitance. This technique uses additional passive components to inject a compensation current that cancels the parasitic current, thereby improving high-frequency filtering performance. Two implementation approaches for this technique are introduced. The first implementation achieves cancellation using an additional small winding on the filter inductor and a small capacitor. This approach is effective where very high coupling of the windings can be achieved or where only moderate performance improvements are required. The second implementation utilizes a small radio frequency transformer in parallel with the filter inductor to inject cancellation currents from the compensation capacitor. This technique requires an additional component (the transformer), but can provide a high degree of cancellation. Experimental results confirm the theory in both implementations. United States. Office of Naval Research (ONR Grant N00014-00-1-0381) United States. Office of Naval Research (ONR Grant N00014-02-1-0481) 2014-05-09T16:26:41Z 2014-05-09T16:26:41Z 2006-01 2005-04 Article http://purl.org/eprint/type/JournalArticle 0885-8993 INSPEC Accession Number: 8936400 http://hdl.handle.net/1721.1/86913 Neugebauer, T. C., and D. J. Perreault. “Parasitic Capacitance Cancellation in Filter Inductors.” IEEE Trans. Power Electron. 21, no. 1 (Jan. 2006): 282–288. https://orcid.org/0000-0002-0746-6191 en_US http://dx.doi.org/10.1109/TPEL.2005.861103 IEEE Transactions on Power Electronics Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf Institute of Electrical and Electronics Engineers (IEEE) Vabulas |
| spellingShingle | Neugebauer, Timothy C. Perreault, David J. Parasitic capacitance cancellation in filter inductors |
| title | Parasitic capacitance cancellation in filter inductors |
| title_full | Parasitic capacitance cancellation in filter inductors |
| title_fullStr | Parasitic capacitance cancellation in filter inductors |
| title_full_unstemmed | Parasitic capacitance cancellation in filter inductors |
| title_short | Parasitic capacitance cancellation in filter inductors |
| title_sort | parasitic capacitance cancellation in filter inductors |
| url | http://hdl.handle.net/1721.1/86913 https://orcid.org/0000-0002-0746-6191 |
| work_keys_str_mv | AT neugebauertimothyc parasiticcapacitancecancellationinfilterinductors AT perreaultdavidj parasiticcapacitancecancellationinfilterinductors |