Simultaneous multiple voltage level bridge-type inverter/convert

Details Simultaneous multiple voltage level bridge-type inverter/convert Simultaneous multiple voltage level bridge-type inverter/convert

1993-07-23

1995-12-26

Ro, Bentsu

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

H02P 736

Patent

active

054790808

ABSTRACT:
A modified inverter/converter unit electronically commutates a switched reluctance machine to provide multiple voltage levels for engine and aircraft applications. A set of power switching transistors apply an exciting current to windings in the switched reluctance machine to produce power at a first voltage level. Additional voltage levels may be provided by using the turns ratio from a plurality of transformers and the switching frequency from the power switching transistors. Alternatively, additional voltage levels may be provided by using windings of a plurality of transformers internal to the switched reluctance machine.

REFERENCES:
patent: 4045718 (1977-08-01), Gray
patent: 4348619 (1982-09-01), Ray et al.
patent: 4459502 (1984-07-01), El-Antably
patent: 4731570 (1988-03-01), Lee
patent: 4896089 (1990-01-01), Kliman et al.
patent: 4983902 (1991-01-01), Palaniappan et al.

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