Abstract
In a capacitor discharge impulse magnetizer, a magnet is magnetized by the discharging current of capacitors. This paper describes a method for exact parameter estimation of impulse magnetizer and a method for field and thermal analysis of impulse magnetizer using this parameter. As the detailed field and thermal characteristics of impulse magnetizer can be obtained, the efficient design of impulse magnetizer which produces desired magnet will be possible using our analysis procedure. As the parameter estimation method of impulse magnetizer, two different estimation methods (a method considering contact resistance and a method using air-core test coil) are presented. Also, the temperature computation of discharging circuits of impulse magnetizer is very important since it gives some indication of the design of the magnetizing circuits. Therefore, a method for thermal analysis of impulse magnetizer is presented.
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