Apparatus for re-transferring power from mechanically driven and

Details Apparatus for re-transferring power from mechanically driven and Apparatus for re-transferring power from mechanically driven and

1975-05-12

1977-12-06

Hickey, Robert J.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Braking

318112, 318254, 318376, H02P 770

Patent

active

040619486

ABSTRACT:
The electrical circuit between the power supply line and each motor or motor pair has an apparatus for re-transferring power from one mechanically driven and/or electrically braked motor to another of the motors. This apparatus includes a levelling or equalizing circuit and a plurality of back coupling devices such as diodes arranged in opposition in series. Each back coupling device electrically connects the intermediate DC circuit loosely to the levelling circuit. Upon braking of a motor, the power flows back through the associated intermediate circuit and then via the back coupling devices and levelling circuit to the other motors.

REFERENCES:
patent: 2070473 (1937-02-01), Currier
patent: 2773228 (1956-12-01), Moore et al.
patent: 3538404 (1970-11-01), Risberg
patent: 3601670 (1971-08-01), Eriksson et al.
patent: 3890551 (1975-06-01), Plunkett

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