Composable protection and control apparatus for motors

Details Composable protection and control apparatus for motors Composable protection and control apparatus for motors

1990-02-20

1991-06-04

Miska, Vit W.

Electricity: motive power systems

Limitation of motor load, current, torque or force

318634, H02P 700

Patent

active

050217224

ABSTRACT:
A composable protection and control apparatus for motors is provided with a power case including semiconductor switches controlling the switching on and off of the power of the phase currents as well as a detector for detecting all or part of these currents and a control module which can be removably fixed to said case and be connected to the switches and to the detector. This module contains a logic circuit for managing the switches which includes a circuit for identifying the size of the power case and a circuit for selecting the working characteristics of the apparatus as a function of this size.

REFERENCES:
patent: 4717924 (1988-01-01), Henry et al.

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