Inductor devices – Three or more windings – Noninductively related windings
Patent
1985-04-19
1988-05-24
Kozma, Thomas J.
Inductor devices
Three or more windings
Noninductively related windings
336175, 336181, 336184, 361 87, 361 93, H01F 2730, H01F 4006
Patent
active
047468912
ABSTRACT:
A high saturation three coil current transformer for use with electrical apparatus having a U-shaped conductor portion. The current transformer has a ferromagnetic core surrounding one leg of the U-shaped conductor. The core is formed from two U-shaped core portions. A first coil and a second coil are wound on bobbins, with one bobbin being placed around each juncture between the core portions. A third coil is wound about the middle section of one of the U-shaped core portions prior to the core portions being joined. The current transformer is positioned so that the U-shaped conductor surrounds the third coil.
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Normet, Current Indicator is Overload-Proof, 1/6/77, Electronics vol. 50, No. 1, p. 114, Pub. McGraw-Hill Inc.
Golden Larry I.
Guttman Richard T.
Jankousky Mary R.
Kozma Thomas J.
Square D Company
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