Control circuit responsive to utility voltage level

Details Control circuit responsive to utility voltage level Control circuit responsive to utility voltage level

1978-04-14

1980-10-14

Truhe, J. V.

Electricity: motive power systems

Induction motor systems

Primary circuit control

H02P 736

Patent

active

042283884

ABSTRACT:
A control circuit for automatically rewiring electrically powered apparatus, such as a dual voltage multiple-phase motor, to adapt such apparatus to be powered by utility voltage at an available voltage level. The control circuit includes relays responsive to the unknown utility voltage level and relay switches adapted to so connect apparatus input leads to each other as to adapt such apparatus to be powered at the particular utility voltage level corresponding to the unknown voltage level.

REFERENCES:
patent: 2445434 (1948-07-01), Hornbarger
patent: 2707763 (1955-05-01), Kurtz
patent: 3391319 (1968-07-01), Quinn
patent: 3488569 (1970-01-01), Allendorph et al.
patent: 3601618 (1971-08-01), Toyonaka et al.

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