Control device of AC motor

Details Control device of AC motor Control device of AC motor

1978-08-15

1981-03-31

Dobeck, B.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318808, 318812, H02P 528, H02P 736

Patent

active

042596289

ABSTRACT:
In a control device of an AC motor wherein a torque equivalent to that of a DC motor is created by controlling the instantaneous values of its stator current, or in a vector control device, signals from a position detector such as a resolver coupled to the AC motor are utilized to form stator current instruction signals and to provide rotation position feed-back signals and rotation speed feed-back signals for the AC motor, thereby to perform precise servo-control.

REFERENCES:
patent: 3824437 (1974-07-01), Blaschke
patent: 3983463 (1976-09-01), Nabae et al.
patent: 4078192 (1978-03-01), Fultz
patent: 4091294 (1978-05-01), Zankl et al.

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