Electronic motor control circuit

Details Electronic motor control circuit Electronic motor control circuit

1987-10-02

1988-11-01

Ro, Bentsu

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Series connected motors

318 50, H02P 774

Patent

active

047822716

ABSTRACT:
A motor control circuit is utilized to monitor and control the power to two series connected 110-120 VAC motors, to detect an imbalance between the operation of the two motors, and to remove the power to both motors if one motor operates in an abnormal manner. A reference voltage is used and compared to the voltage level at the mid connection of the series connected motors.

REFERENCES:
patent: 2805378 (1957-09-01), Blondet et al.
patent: 2930957 (1960-03-01), Cronberger
patent: 3560816 (1971-02-01), Franzen
patent: 4633147 (1986-12-01), Posma et al.

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