Method of controlling inverter and system therefor

Details Method of controlling inverter and system therefor Method of controlling inverter and system therefor

1983-07-28

1984-10-16

Dobeck, B.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318807, 318809, H02P 742

Patent

active

044777639

ABSTRACT:
Method and system of controlling an inverter are disclosed. A reference rotary magnetic flux as a desired magnetic flux of an AC motor is so determined as to make a uniform rotary motion, an actual magnetic flux of the AC motor is detected, voltage vectors are selected such that a deviation between this reference rotary magnetic flux and the magnetic flux of the AC motor may be a value held within a tolerance, and switching elements of the inverter are on-off controlled so that the voltage vectors thus selected can be obtained.

REFERENCES:
patent: 3805135 (1974-04-01), Blaschke
patent: 4041361 (1977-08-01), Cornell
patent: 4281276 (1981-07-01), Cutler et al.
patent: 4282473 (1981-08-01), Dreiseitl et al.
patent: 4320331 (1982-03-01), Plunkett
patent: 4388577 (1983-06-01), Blaschke et al.

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