Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Patent
1980-03-31
1981-01-06
Rubinson, Gene Z.
Electricity: motive power systems
Plural diverse motor controls
Running-speed control
318250, 318364, H02P 314
Patent
active
042439191
ABSTRACT:
An SCR motor speed control system is provided with circuitry for fast braking of the motor. The circuitry senses when it is desired to stop the motor and simultaneously short circuits the motor armature and applies half-wave rectified line voltage to the motor field windings.
REFERENCES:
patent: 3566229 (1971-02-01), Wickens
patent: 3919611 (1975-11-01), Takahashi et al.
patent: 4179646 (1979-12-01), Russell
Bell Edward L.
Davis David L.
Redman John W.
Rubinson Gene Z.
Smith Robert E.
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