System for controlling torque of induction motors

Details System for controlling torque of induction motors System for controlling torque of induction motors

1979-01-04

1981-06-09

Truhe, J. V.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318799, 318807, H02P 534, H02P 742, H02P 528, H02P 736

Patent

active

042727154

ABSTRACT:
For the purpose of controlling the torque of a three phase induction motor a control system suitable to be operated by a computer is provided. A torque instruction, an angle of rotation, a flux angle, the magnitude of rotating magnetic field and suitable constants are used to produce current instructions for respective phases to pass stator current necessary to produce an instructed torque.

REFERENCES:
patent: 3700986 (1972-10-01), Cushman et al.
patent: 3851234 (1974-11-01), Hoffman et al.
patent: 3859579 (1975-01-01), Plunkett
patent: 4001660 (1977-01-01), Lipo
patent: 4047083 (1977-09-01), Plunkett
patent: 4088935 (1978-05-01), D'Atre et al.
patent: 4137489 (1979-01-01), Lipo

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