DocumentCode :
601863
Title :
High frequency magnetic toroidal core loss measurement fixture
Author :
Syed, Haider ; Sullivan, C.R.
Author_Institution :
Thayer Sch. of Eng., Dartmouth Coll., Hanover, NH, USA
fYear :
2013
fDate :
17-21 March 2013
Firstpage :
2466
Lastpage :
2473
Abstract :
A technique for loss characterization of toroidal inductor cores under high power is proposed, and implemented for the frequency range of 2 MHz to 30 MHz. A power-boosted impedance analyzer is used to measure the impedance of the device being tested. The method uses a custom fixture which creates a single-turn inductor with a toroidal core and allows compensation for the winding parasitics so the core losses can be measured. The approach is implemented for excitation levels of up to 10 A; implementation details and experimental results of measuring two ferrite cores using the setup are presented and compared to core loss models supplied by the manufacturer. The setup supports multiple test fixtures and can also be used for general large-signal impedance measurements.
Keywords :
eddy current losses; electric impedance measurement; frequency measurement; magnetic leakage; custom fixture; excitation levels; ferrite cores; frequency 2 MHz to 30 MHz; general large-signal impedance measurements; high frequency magnetic toroidal core loss measurement fixture; multiple test fixtures; power-boosted impedance analyzer; single-turn inductor; toroidal inductor cores; winding parasitics;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Applied Power Electronics Conference and Exposition (APEC), 2013 Twenty-Eighth Annual IEEE
Conference_Location :
Long Beach, CA
ISSN :
1048-2334
Print_ISBN :
978-1-4673-4354-1
Electronic_ISBN :
1048-2334
Type :
conf
DOI :
10.1109/APEC.2013.6520642
Filename :
6520642
Link To Document :
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