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System and method for supporting laminations of synchronous reluctance motors

A technology of synchronous reluctance and lamination, applied in the field of motors, can solve the problem of increasing channel leakage flux

Inactive Publication Date: 2016-10-26
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The large connections between the channels of the individual rotor poles increase the leakage flux between the channels

Method used

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  • System and method for supporting laminations of synchronous reluctance motors
  • System and method for supporting laminations of synchronous reluctance motors
  • System and method for supporting laminations of synchronous reluctance motors

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Embodiment Construction

[0032]One or more specific embodiments of the presently disclosed subject matter are described below. In an effort to provide a concise description of these embodiments, not all features of an actual implementation may be described in the specification. It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, many implementation-specific decisions must be made to achieve the developer's specific goals, such as conforming to system-related and business-related constraints, which may vary from one implementation to another. Furthermore, it should be appreciated that this development effort might be complex and time consuming, but would nonetheless be a routine undertaking of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure.

[0033] When introducing elements of various embodiments of the presently disclosed subject matter, the words "a," "an," "the," and "sai...

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Abstract

A synchronous reluctance machine includes a rotor having a first plate, a second plate, a first set of rotor poles, and a first set of axial stiffeners. Each rotor pole of the first set of rotor poles includes a first plurality of laminations axially stacked between the first plate and the second plate, and each lamination of the first plurality of laminations includes first channels configured to carry magnetic flux and a first plurality of passages spaced between the first channels. Each axial stiffener of the first set of axial stiffeners is disposed within a respective passage of the first plurality of passages. A first end of each axial stiffener of the first set of axial stiffeners interfaces with the first plate, and a second end of each axial stiffener of the first set of axial stiffeners interfaces with the second plate.

Description

technical field [0001] The subject matter disclosed herein relates to electrical machines, and more particularly to laminations supporting synchronous reluctance motors. Background technique [0002] Electric machines typically have a stationary stator with poles that generate a rotating magnetic field to drive the poles of the rotor. The rotor rotates about the stator, thereby rotating a shaft coupled to the rotor. The stator can generate a rotating magnetic field from a supplied current, such as an alternating current. The rotor of a reluctance motor receives no current. Instead, the stator's magnetic field induces a magnetic field on the rotor's poles, generating torque via reluctance. Synchronous reluctance motors are alternating current motors, for which the rotation of the shaft is synchronized with the frequency of the alternating current. Channels in the rotor poles carry magnetic flux to generate torque. The large connections between the channels of the individ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K19/02H02K1/22H02K1/28
CPCH02K1/22H02K1/28H02K19/02H02K1/246H02K15/022H02K19/103
Inventor J.P.亚历山大K.M.格雷斯P.B.雷迪
Owner GENERAL ELECTRIC CO