Direct self-control of the flux and rotary moment of a rotary-fi

Details Direct self-control of the flux and rotary moment of a rotary-fi Direct self-control of the flux and rotary moment of a rotary-fi

1985-10-18

1987-07-07

Salce, Patrick R.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318799, H02P 736

Patent

active

046782486

ABSTRACT:
A method for controlling a rotating-field machine supplied from an inverter, the output voltage system of the inverter being variable with respect to amplitude, phase and frequency includes supplying amplitudes of stator flux components formed from measured stator current components and stator voltage components as actual value of a flux control loop, and changing the phase and frequency of the inverter output voltage system with a flux control as a function of a predetermined stator flux reference value by directly setting-in the switching state of the inverter and an apparatus for carrying out the method.

REFERENCES:
patent: 4078191 (1978-03-01), Morters et al.
patent: 4230979 (1980-10-01), Espelage et al.
patent: 4338559 (1982-07-01), Blaschke et al.
patent: 4349772 (1982-09-01), Weiss
patent: 4400655 (1983-08-01), Curtiss et al.
patent: 4447787 (1984-05-01), Schwesig et al.
patent: 4450398 (1984-05-01), Bose
patent: 4477763 (1984-10-01), Asano et al.
patent: 4524310 (1985-06-01), Nagase et al.
patent: 4593240 (1986-06-01), Blaschke

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