Power transformers and power inductors for low-frequency applications using isotropic material with high power-to-weight ratio
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United States of America Patent
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Apr 12, 2005
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N/A
app pub date -
Jul 19, 2002
filing date -
Sep 16, 1999
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Abstract
A transformer for low frequency applications of from 50 Hz to 1000 Hz is described. The transformer comprises a core having a cylindrical symmetry around a main revolution axis. The core is formed of a soft isotropic magnetic composite material composed of iron and resin. Windings are enclosed in the magnetic core and disposed about a central column of the magnetic core and magnetically coupled with the inductor for low frequency applications, DC to 1000 Hz of similar construction is also described, the inductor comprises a core having a cylindrical symmetry around a main revolution axis. The core is formed of a soft isotropic magnetic composite material composed of iron and resin. Winding is enclosed in the magnetic core and disposed about a central column of the magnetic core and magnetically coupled with the magnetic core. The core is formed by core sections.
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