Asymmetrically controlled static slip-recovery motor drive syste

Details Asymmetrically controlled static slip-recovery motor drive syste Asymmetrically controlled static slip-recovery motor drive syste

1980-04-08

1982-04-20

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318729, 318801, H02P 540

Patent

active

043261566

ABSTRACT:
Two inverters in series in the DC line of a slip-recovery motor drive of the SCR controlled type are asymmetrically controlled to allow reduced current reflected back in the transformer. Two secondaries in the transformer are associated with the respective inverters. Reduced rating of the transformer, reduced saturable reactor in the DC link and improved power factor are direct advantages of such arrangement.

REFERENCES:
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.
Milsanic, P. N. "The Through-Pass Inverter and 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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