Integrated motor drive and recharge system

Details Integrated motor drive and recharge system Integrated motor drive and recharge system

1990-12-31

1992-03-24

Shoop, Jr., William M.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318 34, 318105, 318107, 318376, 318800, 318812, 318441, 318 87, 318811, H02P 540, H02P 130

Patent

active

050991868

ABSTRACT:
A drive and recharge system is disclosed that includes a bidirectional dc power source, two voltage-fed inverters, two induction motors, and a control unit. In the drive mode, power is bidirectionally connected between the dc power source and the motors. In the recharge mode, single-phase power applied to the neutral ports of the two motors is converted with unity power factor to return energy to the dc power source. An alternate scheme is also presented which uses a single motor having two sets of windings.

REFERENCES:
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patent: 3781616 (1973-12-01), Mokrytzki et al.
patent: 3881141 (1975-04-01), Narita
patent: 4041368 (1977-08-01), Gritter
patent: 4208620 (1980-06-01), Ringland
patent: 4237410 (1980-12-01), Erickson et al.
patent: 4354144 (1982-10-01), McCarthy
patent: 4503369 (1985-03-01), Nishijima et al.
patent: 4920475 (1990-04-01), Rippel
patent: 4999561 (1991-03-01), Kaga et al.
patent: 5034669 (1991-07-01), Sako et al.

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