Circuit for the energy-conserving braking of a direct-current se

Details Circuit for the energy-conserving braking of a direct-current se Circuit for the energy-conserving braking of a direct-current se

1977-04-07

1980-01-29

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Dynamic braking

318345G, 318269, H02P 314

Patent

active

041863330

ABSTRACT:
A circuit for the energy-conserving braking of an electrically powered vehicle having a series-wound direct-current motor with field winding and armature connected in series with a high-ohmic resistance across the battery connection is effected by a main thyristor is provided with a second thyristor serving to quench the first thyristor. A capacitor (quenching capacitor) is included in a commutating device or network parallel to the main thyristor. A voltage sensor responsive to the voltage level at the junction between the condenser and the main thyristor controls the commutating circuit.

REFERENCES:
patent: 3188547 (1965-06-01), Zelina
patent: 3419778 (1968-12-01), Gurwicz
patent: 3826962 (1974-07-01), Morton et al.

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