Variable speed induction motor drive system

Electricity: motive power systems – Induction motor systems – With relatively movable cooperating motor parts to control...

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318737, H02P 540

Patent

active

044764243

ABSTRACT:
A variable speed induction motor drive system operating at a leading power factor. A prescribed reactive power is coupled to the motor's rotor, to permit line commutation of an inverter supplying the motor's stator, and to permit the inverter to be supplied by a substantially constant dc link voltage.

REFERENCES:
patent: 3696278 (1972-10-01), Kuniyoshi et al.
patent: 3753069 (1973-08-01), Newton

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