Voltage regulating transformer having EI laminations and two cen

Electricity: power supply or regulation systems – Remote sensing

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Details

323 48, 323 56, 336155, 336178, 336215, G05F 302, H01F 3900

Patent

active

041386361

ABSTRACT:
A shell-type voltage regulating transformer includes a magnetic core comprising a stack of modified EI laminations having a center leg forming two sections. One of the center leg sections defines a low reluctance magnetically saturable path while the other section defines a high reluctance non-saturating path. A primary winding is wound on the center leg for magnetically coupling with both sections and a pair of secondary windings are wound each for magnetically coupling with only one of the sections. The two secondary windings are connected in series opposing relationship to supply a substantially constant voltage to a load.

REFERENCES:
patent: 3172031 (1965-03-01), Sola
patent: 3436692 (1969-04-01), Walters
patent: 3546571 (1970-12-01), Fletcher et al.
patent: 3659191 (1972-04-01), Spreadbury
patent: 3710233 (1973-01-01), Borkovitz

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