Method of correcting inaccurate instrumental potential transform

Details Method of correcting inaccurate instrumental potential transform Method of correcting inaccurate instrumental potential transform

1984-12-07

1986-08-19

Beha, Jr., William H.

Electricity: power supply or regulation systems

Including a transformer or an inductor

With compensation

29593, 323359, 324 55, 336142, 336150, H01F 4014

Patent

active

046072110

ABSTRACT:
To compensate for voltage ratio errors in a cascaded core instrument potential transformer, the coils of an outer coupling winding otherwise utilized to magnetically couple an adjacent pair of cores together are electrically connected into the primary winding circuit to either add its turns to or subtract its turns from the primary winding turns in order to bring the secondary winding output voltage within acceptable accuracy tolerance limits.

REFERENCES:
patent: 1853764 (1932-04-01), Fischer
patent: 3098990 (1963-07-01), Farrand et al.
patent: 3162799 (1964-12-01), Roberts
patent: 3448340 (1969-06-01), Lewis
patent: 3532963 (1970-10-01), Marks
patent: 3532964 (1970-10-01), Marks
patent: 3614595 (1970-01-01), Paulden
patent: 4160224 (1979-07-01), Owen
patent: 4255734 (1981-03-01), Owen

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