Electricity: motive power systems – Braking – Dynamic braking
Patent
1976-11-16
1978-08-01
Schaefer, Robert K.
Electricity: motive power systems
Braking
Dynamic braking
318375, 318373, H02P 312
Patent
active
041045718
ABSTRACT:
A pulse controller for a reversible d.c. series motor is provided, in place of the conventional freewheel diode across the armature and field and plugging diode across the armature, with a unidirectional current path connected across the armature and field and containing sufficient impedance to prevent build-up of motor current in interpulse periods when the motor is in a plugging mode, and switch means for shorting out the impedance during normal motoring.
REFERENCES:
patent: 3188547 (1965-06-01), Zelina
Gurwicz David
Sloan Albert Everett
Mutter Michael K.
Schaefer Robert K.
Sevcon Limited
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