Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 45, Issue 3, Pages 1044-1047Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2009.2012569
Keywords
Inverter power supply; iron loss; laminated core; magnetic field analysis; reactor
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A method of magnetic field analysis which takes eddy currents into account in laminated steel core is extended into loss calculation to investigate the loss reduction of reactor connected to inverter power supply. In the proposed method, the iron loss in the laminated core can be calculated considering the flux and eddy current distributions in steel plate affected by harmonic components. The proposed method is applied to a single-phase model of reactor connected to inverter power supply and the loss distributions are demonstrated in detail. Moreover, in order to reduce the loss, the shape configurations of core and plate are improved. Finally, the experiments using three-phase. reactors are carried out to verify the calculation and investigate the effectiveness of the proposed shape configuration.
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