Motor speed control by measurement of motor temperature

Details Motor speed control by measurement of motor temperature Motor speed control by measurement of motor temperature

1984-10-19

1986-12-02

Shoop, Jr., William M.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318399, 318471, 318473, 361 25, H02P 500, H02H 504

Patent

active

046267530

ABSTRACT:
A process for controlling the speed of an electric motor. A reference value of motor temperature is provided and directed to a summing junction. The actual temperature of the motor is sensed and also directed to the summing junction. The two values are summed and employed as a reference of motor current. This reference is directed to a second summing junction while the value of actual motor current is sensed. The actual value is also directed to the second junction. These last two values are summed at the second junction to provide a reference for adjusting motor speed.

REFERENCES:
patent: 3629676 (1971-12-01), Ephraim
patent: 4004204 (1977-01-01), Hoves et al.
patent: 4426604 (1984-01-01), Doemen et al.

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