Three-phase electronic inverter for variable speed motor

Details Three-phase electronic inverter for variable speed motor Three-phase electronic inverter for variable speed motor

1994-05-31

1996-02-06

Wysocki, Jonathan

Electricity: motive power systems

Induction motor systems

Primary circuit control

318808, H02P 700

Patent

active

054898331

ABSTRACT:
A three-phase electronic inverter for an electric induction motor can operate the latter silently without the generation of magnetorestriction noise where the voltage of the rectifier outputted to the power transistor bridge is controlled by a TRIAC with regulation of the angle of conduction while the power transistor are pulsed in response to the output of a microprocessor through level adapters constituted by operational amplifiers.

REFERENCES:
patent: 4002958 (1977-01-01), Akamatsu
patent: 4161680 (1979-07-01), Akamatsu
patent: 4212056 (1980-07-01), Kitamura et al.
patent: 4545022 (1985-10-01), Walker
patent: 4666020 (1987-05-01), Watanabe
patent: 4843296 (1989-06-01), Tanaka
patent: 5184057 (1993-02-01), Sakai et al.
patent: 5280228 (1994-01-01), Kanouda et al.

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