Driving and braking system for electric motors

Details Driving and braking system for electric motors Driving and braking system for electric motors

1983-10-14

1984-12-18

Truhe, J. V.

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318269, 318273, H02P 310

Patent

active

044892578

ABSTRACT:
A driving and braking system having solid state switches for use with an electric motor. A first switch in series with a motor armature carries current from a power supply to the motor during the driving operation. A second switch couples a voltage from the motor armature to the first switch to render the first switch nonconductive and place the motor in a braking mode in response to a braking signal. The first switch provides armature current and couples a voltage from the motor armature to the second switch to render the second switch nonconductive and place the motor in a driving mode in response to a driving signal. The motor can be switched between the braking mode and the driving mode without bringing the motor to a stop.

REFERENCES:
patent: 3582740 (1971-06-01), Reinert
patent: 3624475 (1971-11-01), Smith
patent: 3656039 (1972-04-01), Konard
patent: 4284930 (1981-08-01), Matty
patent: 4423362 (1983-12-01), Konard et al.

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