Noise filter for three-phase four-wire system

Details Noise filter for three-phase four-wire system Noise filter for three-phase four-wire system

1985-07-16

1987-06-30

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333177, 333185, H03H 700, H03H 709

Patent

active

046774017

ABSTRACT:
A noise filter for an electric wire of star-connected three-phase four-wire system, in which a neutral conductor has a sectional area which is larger than a sectional area of each of voltage conductors. Three voltage conductors are wound on a magnetic core that constitutes a closed magnetic path. The neutral conductor is coupled to the three voltage conductors via three respective capacitors.

REFERENCES:
patent: 1387469 (1921-08-01), Chubb
patent: 2938128 (1960-05-01), Logan
patent: 3813593 (1974-05-01), Tice et al.
"The International Dictionary of Physics and Electronics", D. Van Nostrand Co., New York, 1961; pp. 775-776.

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