Method of measuring torque of an AC motor

Details Method of measuring torque of an AC motor Method of measuring torque of an AC motor

1984-05-11

1986-10-07

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

318805, 324107, 364483, G01L 300

Patent

active

046161791

ABSTRACT:
A method is provided for measuring the torque of an AC motor (4) without a mechanical transducer by sensing input voltage, and input current regardless of phase, and determining the torque therefrom.

REFERENCES:
patent: 4245181 (1981-01-01), Plunkett
patent: 4419625 (1983-12-01), Bejot et al.
patent: 4431957 (1984-02-01), Chausse et al.
patent: 4442393 (1984-04-01), Abbondanti
patent: 4470000 (1984-09-01), Heinle
Pospisil, J., "Practical Verification of Motor Speed-Torque Characteristics", IEEE 1978 Power Eng. Soc. Winter Mtg.

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