Method and apparatus for control of inverter synchronous machine

Details Method and apparatus for control of inverter synchronous machine Method and apparatus for control of inverter synchronous machine

1978-09-25

1981-03-10

Truhe, J. V.

Electricity: motive power systems

Synchronous motor systems

Armature winding circuits

318802, 318807, H02P 146, H02P 742

Patent

active

042556953

ABSTRACT:
In an inverter-synchronous machine drive system subject to operator control, feedback control is employed to synchronize machine-inverter operation. A phase angle command signal, responsive to a fixed value phase angle signal during initial machine excitation and alternately responsive to machine load variation as controlled by an operator command, is generated and compared against the actual machine phase angle difference between machine phase current and air gap flux. A frequency command signal, responsive to the angle difference therebetween, is impressed on the inverter to vary machine excitation responsive to the magnitude of the phase angle difference.

REFERENCES:
patent: 3368133 (1968-02-01), Zenner
patent: 3482157 (1969-12-01), Borden
patent: 3619750 (1971-11-01), Mokrytzki et al.
patent: 3667012 (1972-05-01), Kilgore
patent: 3896348 (1975-07-01), Loderer
patent: 4080554 (1978-03-01), Nordby
patent: 4158163 (1979-06-01), Eriksen et al.
patent: 4186334 (1980-01-01), Hirata

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