Frequency effects in a pancake coil

An aluminum pancake coil is designed to amplify pulsed power in the range of 100-MW to a 100-m/spl Omega/ electro-thermal load. For the tradeoff between the coil energy density limit and energy discharge efficiency, the frequency dependence of its current and magnetic field distributions is calculat...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1995-03, Vol.31 (2), p.988-996
Main Authors: Shaked, N., Kanter, M., Kaplan, Z., Singer, S.
Format: Article
Language:English
Subjects:
Applied sciences
Coils
Conductors
Electrical engineering. Electrical power engineering
Exact sciences and technology
Frequency
Magnetic field measurement
Plasma applications
Plasma confinement
Pulse amplifiers
Pulse shaping methods
Pulsed power supplies
Shape
Transformers and inductors
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Summary:An aluminum pancake coil is designed to amplify pulsed power in the range of 100-MW to a 100-m/spl Omega/ electro-thermal load. For the tradeoff between the coil energy density limit and energy discharge efficiency, the frequency dependence of its current and magnetic field distributions is calculated in the range of DC to 1 kHz. Near DC magnetic field measurements are compared to the calculated results. Energy efficiency of about 85% has been measured for the discharge of 1.6 kA from the coil to a linear resistive load in the range of 40-400 m/spl Omega/.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.364773