Droop adjustable control apparatus for direct current motor driv

Details Droop adjustable control apparatus for direct current motor driv Droop adjustable control apparatus for direct current motor driv

1975-01-03

1976-11-09

Rubinson, Gene Z.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Running-speed control

318100, 318355, 318530, H02F 546

Patent

active

039913490

ABSTRACT:
A field-controlled direct current motor is provided with a circuit responsive to armature current which is adjustable as to the amount of armature current representative signal, and the adjusted current representative signal is used to provide a selected amount of droop in the speed-load characteristic of the motor. A plurality of individually field-controlled direct current motors operating in parallel on a common load are individually adjusted as to the amount of sensed armature current to provide through field control individual selected amounts of droop in the respective speed-load characteristics.

REFERENCES:
patent: 3079538 (1963-02-01), Yamashita
patent: 3378746 (1968-04-01), Weiser
patent: 3440507 (1969-04-01), Derrick et al.

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