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Dual-winding synchronous reluctance machine composed of excitation winding and separate power winding

A technology of excitation winding and excitation current, which is applied in the direction of synchronous motors, synchronous machines, and synchronous generators for single-phase current, and can solve the problems of overall reliability, cost reduction, volume and weight increase, etc.

Active Publication Date: 2020-01-24
通用电气阿维奥有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Power converters must manage all the power that flows from the machine to the electrical system, reducing the overall reliability of the machine and increasing cost, size and weight

Method used

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  • Dual-winding synchronous reluctance machine composed of excitation winding and separate power winding
  • Dual-winding synchronous reluctance machine composed of excitation winding and separate power winding
  • Dual-winding synchronous reluctance machine composed of excitation winding and separate power winding

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Embodiment Construction

[0019] Reference will now be made in detail to embodiments of the present disclosure, one or more examples of which are illustrated in the accompanying drawings. Each example is provided by way of explanation of the disclosure, not limitation of the disclosure. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present disclosure without departing from the scope or spirit of the disclosure. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield a still further embodiment. Thus, it is intended that the present disclosure cover such modifications and variations as come within the scope of the appended claims and their equivalents.

[0020] Example aspects of the present disclosure relate to dual winding rotating field machines. In aerospace applications, a variable frequency starter generator (VFSG) can be a common machine for motor / generators. VFS...

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PUM

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Abstract

A rotating field machine (200) including a stator (140) and a rotor (150) are provided. In particular, a dual-winding rotating field machine (200) in which the stator (140) includes two separate windings can be provided. In one example implementation, the stator (140) can include an excitation winding (220) configured to control an excitation current and a power winding (230) configured to controlpower flow to an electrical system. The dual-winding rotating field machine (200) can further include a starting mode and a generating mode. During the starting mode, both the excitation winding (220) and the power winding (230) can be coupled to one or more switching power converters (170). During the generating mode, the power winding (230) can be coupled to a variable frequency bus and the power converter (170) can be used to manage excitation power only.

Description

technical field [0001] This subject generally relates to rotating field machines. Background technique [0002] Rotating electrical machines are used in various applications such as automotive applications, aerospace applications, marine applications, industrial applications and many others. The rotating electric machine may be an electric motor. The rotor is configured to rotate relative to the stator to convert electrical energy into mechanical energy. Rotating electrical machines also include generators. The relative rotation between the rotor and stator converts mechanical energy into electrical energy. [0003] One example of a generator is a generator used on an aircraft. In aerospace applications, variable frequency starter generators (VFSGs) are often used for motor / generators. In traditional applications, rotating field machines and other machines (eg, synchronous reluctance machines, induction machines, etc.) require the machine to be coupled to a DC / AC conver...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K19/26H02K19/12H02K21/04H02P9/36H02P21/00F02N11/04
CPCF02N11/04H02K19/12H02K19/20H02K19/24H02K19/26H02K21/046H02K19/103H02P9/36H02P21/00H02P2101/45F02N2011/0885F02N2011/0896H02K3/28H02K11/042H02P27/06H02M7/00
Inventor 达维德·朗杰托
Owner 通用电气阿维奥有限责任公司
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