Double inverter slip-recovery AC motor drive with asymmetrical g

Details Double inverter slip-recovery AC motor drive with asymmetrical g Double inverter slip-recovery AC motor drive with asymmetrical g

1980-04-08

1982-04-20

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318801, 318724, H02P 540

Patent

active

043261574

ABSTRACT:
A slip-recovery AC motor drive includes two inverters connected in series between the DC link terminals derived from the rectifier coupled with the rotor, and the thyristors are controlled asymmetrically between pairs of half-bridges pertaining to different inverters, thereby to by-pass the output of one inverter alternately during successive equal time intervals of conduction. The recovery transformer has two secondaries each connected to a corresponding inverter output.

REFERENCES:
patent: 3792286 (1974-02-01), Meier
patent: 3876923 (1975-04-01), Humphrey et al.
patent: 3979662 (1976-09-01), Klein
patent: 4020411 (1977-04-01), Tsuboi et al.
patent: 4225914 (1980-09-01), Hirata et al.
Miljanic, P. N. "The Through-Pass Invertor & Its Application to Speed Control of Wound Rotor Induction Machines" IEEE Transactions on Power Apparatus and Systems, Jan. 68, pp. 234-237.

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