Combined harmonic filter and phase converter or phase...

Details Combined harmonic filter and phase converter or phase... Combined harmonic filter and phase converter or phase...

2006-04-11

2006-04-11

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Impedance insertion

C361S113000

Reexamination Certificate

active

07027279

ABSTRACT:
A harmonic mitigating device also functions as a phase converter for supplying single-phase non-linear loads, or as a phase shifting device for three-phase non-linear loads with multiple inputs to create a quasi multi-pulse system. A multiple-winding reactor or a plurality of single-winding reactors, and at least one capacitor, are connected in a crosslink circuit between the reactor windings, or between the reactor windings and another line. At least one reactive element comprising a line winding is connected to each phase or to the neutral and in series with a non-linear load, which provides a high reactance to harmonic currents, and at least one crosslink circuit comprising a second reactive element connected between the second end of the line winding and a capacitor which is connected to any other line in the system.

REFERENCES:
patent: 5434455 (1995-07-01), Kammeter
patent: 6101113 (2000-08-01), Paice
patent: 6930578 (2005-08-01), Thibault et al.

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