D C ELECTRIC MOTOR DRIVE Russian patent published in 1994 - IPC

Abstract RU 2025888 C1

FIELD: industry. SUBSTANCE: D.C. electric motor drive includes electric motors connected to outputs of commutator for series, multiple-series or parallel connections, source of energy composed of thermal engines and D.C. generators coupled mechanically, additional sources incorporating storage batteries, current and voltage converters. Apart from them it has second similar commutator connected to first one via three-position switch. Additional source is provided with circuit of contactor, generator and energy storage connected in series. EFFECT: increased reliability and efficiency of electric motor drive. 2 cl, 1 dwg

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RU 2 025 888 C1

Authors

Trofimenko V.I.

Safronov A.V.

Nenashko E.F.

Il'Inskij A.D.

Dates

1994-12-30—Published

1992-09-22—Filed