DEVICE FOR PROTECTING THYRISTOR INDUCTION-MOTOR DRIVE (ALTERNATIVES) Russian patent published in 2005 - IPC

Abstract RU 2246163 C1

FIELD: electrical engineering; induction-motor drive protective gear.

SUBSTANCE: proposed protective device that has relay inserted between supply mains neutral and star neutral point of stator windings is provided with newly introduced parallel- or series-connected choke-and-capacitor filter tuned to 50 or 150 Hz, respectively.

EFFECT: enhanced noise immunity, sensitivity, and reliability.

5 cl, 5 dwg

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RU 2 246 163 C1

Authors

Dzhus I.N.

Dates

2005-02-10—Published

2003-06-19—Filed