Three phase scaling current-to-voltage convertor

Details Three phase scaling current-to-voltage convertor Three phase scaling current-to-voltage convertor

1982-09-30

1985-05-28

Goldberg, E. A.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318798, H02P 500

Patent

active

045203040

ABSTRACT:
An induction motor controller with a scaling convertor for both providing selective alteration of the overload sensitivity characteristic of the controller and converting the input current to a proportional control voltage. The feedback circuit includes a plurality of feedback resistors which are selectively connectable between the output of the current-to-voltage convertor and its input to selectively change its gain and thus the sensitivity of the controller.

REFERENCES:
patent: 3526819 (1967-09-01), Graf
patent: 3603856 (1969-06-01), Zalar
patent: 4016468 (1977-04-01), Graf
patent: 4106069 (1978-08-01), Trautner
patent: 4123792 (1978-10-01), Gephart et al.
patent: 4156162 (1979-05-01), Warfield et al.

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