Method and apparatus for controlling induction motor

Details Method and apparatus for controlling induction motor Method and apparatus for controlling induction motor

1989-08-22

1991-01-15

Shoop, Jr., William M.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318798, 318806, H02P 126, H02P 540

Patent

active

RE0335193

ABSTRACT:
When actuating again in induction motor rotating inertially by applying power to the induction motor from an inverter capable of changing both of its output frequency and output voltage, the power is once supplied to the induction motor to increase the residual voltage if the residual voltage of the induction motor is not sufficient, and the frequency of an initial impressed voltage that is in agreement with the rotating speed of the induction motor is determined.

REFERENCES:
patent: 4409533 (1983-10-01), Kawabata
patent: 4417193 (1983-11-01), Hirata
patent: 4445167 (1984-04-01), Okado
patent: 4451112 (1984-05-01), Hattori et al.
patent: 4546422 (1985-10-01), Okado

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