Method for measuring the electromotive force constant of motors

Details Method for measuring the electromotive force constant of motors Method for measuring the electromotive force constant of motors

2006-02-14

2006-02-14

Masih, Karen (Department: 2837)

Electricity: motive power systems

Induction motor systems

Power-factor control

C318S809000, C318S438000, C318S700000

Reexamination Certificate

active

06998814

ABSTRACT:
A method for measuring the electromotive force of motors is provided. The method enables the motor to rotate in single phase mode, and thereby measures the electromotive force constant of the motor. According to the principles and the method, motors do not have to work in close-loop. Neither encoders for detecting angle displacement or angle velocity are needed for motors, nor the motor impedance or current have to obtain in advance. Compared with the prior art, the disclosed method is more efficiency and economic.

REFERENCES:
patent: 5861727 (1999-01-01), Blackburn et al.
patent: 6002234 (1999-12-01), Ohm et al.
patent: 6447441 (2002-09-01), Yu et al.
patent: 2002/0105335 (2002-08-01), Mir et al.
patent: 488125 (2002-05-01), None

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