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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mingkai Mu Qiang Li Gilham, D.J. Lee, F.C. Ngo, K.D.T. |
| Copyright Year | 1986 |
| Abstract | Magnetic core loss is an important concern for power converters. As the switching frequency increases and converter size reduced, the core loss will have significant impact to the converter efficiency and temperature. Accurate evaluation is important for magnetic design and converter loss estimation. The classic two-winding method is limited to low frequencies (usually below 1 MHz) because it is sensitive to phase discrepancy. In this paper, a new method is proposed for high-frequency core loss measurement that utilizes capacitive cancellation, which is suitable for HF and VHF core loss measurement. The new method greatly reduces the sensitivity to phase discrepancy, which is the dominating error source in the conventional two-winding method. An experimental demonstration is performed at 10 MHz, and the possible errors are analyzed in detail. With the proposed method, the high-frequency core loss can be accurately measured. |
| Sponsorship | IEEE Power Electronics Society |
| Starting Page | 4374 |
| Ending Page | 4381 |
| Page Count | 8 |
| File Size | 750842 |
| File Format | |
| ISSN | 08858993 |
| Volume Number | 29 |
| Issue Number | 8 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Windings Core loss Capacitors Loss measurement Sensors Probes Resistors magnetic loss Core loss measurement ferrite high frequency magnetic integration |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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