Current transformer

Details Current transformer Current transformer

1978-02-27

1980-07-22

Miller, J. D.

Electricity: power supply or regulation systems

Remote sensing

323 60, 324126, G05F 300

Patent

active

042141990

ABSTRACT:
A high-voltage current transformer has an external inductance element electrically connected thereto. The inductance element has a relatively low magnitude of inductance, compared with the inductance of the current transformer, to cause a substantial increase in the excitation current which significantly reduces the residual flux in the current transformer.

REFERENCES:
patent: 1640554 (1927-08-01), Peters
patent: 1731865 (1929-10-01), Pfiffner
patent: 1863936 (1932-06-01), Schwager
patent: 1865430 (1932-07-01), Borkent
patent: 1866345 (1932-07-01), Callsen
patent: 1914395 (1933-06-01), Austin
patent: 2129524 (1938-09-01), Camilli
patent: 3532964 (1970-10-01), Marks
patent: 3775722 (1973-11-01), Wentz et al.
patent: 3881149 (1975-04-01), Kiko
patent: 4140961 (1979-02-01), Akamatsu

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