Motor controller having automatic swapped lead wiring detection

Details Motor controller having automatic swapped lead wiring detection Motor controller having automatic swapped lead wiring detection

1998-10-01

2000-06-06

Gaffin, Jeffrey

Electricity: electrical systems and devices

Safety and protection of systems and devices

Motor protective condition responsive circuits

361 88, 318490, 324522, 324722, H02H 328

Patent

active

060726741

ABSTRACT:
Problems associated with delta motors being subjected to increased torques and overcurrent conditions resulting from inaccurate swapped wiring configurations in a delta motor system are eliminated in a motor controller that automatically inhibits operation of the delta motor when it detects that the fault contactor connections and the motor controller connections to a delta motor have been swapped or reversed.

REFERENCES:
patent: 4140950 (1979-02-01), Volk, Jr.
patent: 4492878 (1985-01-01), Hamel
patent: 5469351 (1995-11-01), Masrur et al.
patent: 5477412 (1995-12-01), Neiger et al.
patent: 5563489 (1996-10-01), Murry
patent: 5574346 (1996-11-01), Chavan et al.
patent: 5894392 (1999-04-01), McDonald

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