Electrical distribution equipment with torque estimating capabil

Details Electrical distribution equipment with torque estimating capabil Electrical distribution equipment with torque estimating capabil

1992-10-02

1994-09-06

Shoop, Jr., William M.

Electricity: motive power systems

Limitation of motor load, current, torque or force

361 30, 361 79, 318432, H02K 1732

Patent

active

053451589

ABSTRACT:
A circuit breaker for protecting a motor-driven system from overcurrents and undervoltages includes both current and voltage sensors and derives a precise estimate of electromagnetic torque output from sensed currents and voltages. A contactor similarly includes torque estimating capability.

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G. B. Kliman et al., The Limits of Motor Current Signature Analysis, Mechanical Failures Prevention Group 46th Meeting, Apr. 7-9, 1992, Virginia Beach, Va.

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