Polyphase induction electrical rotating machine

Details Polyphase induction electrical rotating machine Polyphase induction electrical rotating machine

1996-09-18

2000-04-25

Martin, David S.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318807, H02P 534

Patent

active

060548371

ABSTRACT:
A polyphase induction machine operated by an inverter drive system. The machine is constructed with concentrated full span windings. Twelve or more phases are used to sufficiently cover the airgap region, in contrast to the conventional three phases using distributed and chorded windings. Substantial efficiency and starting torque benefits are thereby obtained.

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H.A. Toliyat, Thomas A. Lipo, J.C. White `Analysic of a Concentrated Winding Induction Machine` Dec. 1991, IEEE Trans. Energy Conversion pp. 679-692.
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M. Abbas, R. Christen, T. Johns `Six-phase Voltage Source Inverter Driven Induction Motor`.
M. Abbas, R. Christen `Characteristics of a High-Power Density Six-Phase Induction Motor`.

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