Title :
Considerations in the design of high frequency, high power nonlinear magnetic components
Author :
de Beer, A.S. ; Ferreira, J.A. ; van Wyk, J.D.
Author_Institution :
Energy Lab., Rand Afrikaans Univ., Johannesburg, South Africa
Abstract :
It is shown that the reactive power rating and operating frequency of saturable magnetic components can be extended if the geometry is adjusted to accommodate two fundamental factors. One is related to heat extraction in the core and the other to limitations on the winding height. It is proposed that, by altering the core shape so that only part of the core saturates, less heat will be dissipated. It is qualitatively shown that a core altered in this way still exhibits the necessary characteristics of a nonlinear inductor. Practical results and measurements are given for a 200 VA nonlinear resonating inductor for use in a 20 kVA nonlinear resonant pole inverter
Keywords :
invertors; magnetic cores; nonlinear network analysis; power inductors; 20 kVA; 200 VA; HF magnetic components; core shape; design; geometry; heat extraction; high power components; nonlinear magnetic components; nonlinear resonant pole inverter; nonlinear resonating inductor; operating frequency; reactive power rating; saturable magnetic components; winding height; Circuit faults; Core loss; Frequency; Inductors; Magnetic cores; Magnetic resonance; Nonlinear magnetics; Oscillators; Power electronics; Saturation magnetization;
Conference_Titel :
Industry Applications Society Annual Meeting, 1992., Conference Record of the 1992 IEEE
Conference_Location :
Houston, TX
Print_ISBN :
0-7803-0635-X
DOI :
10.1109/IAS.1992.244424
