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Superconducting machine and method for the operation thereof

A technology of superconducting motors and generators, applied in the usage of superconducting elements, electric components, AC motor control, etc., can solve the problems of power generation equipment consumption, achieve the effect of reducing excitation current and low cost of measures

Inactive Publication Date: 2014-07-16
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, an additional, expensive power generation unit is required here, and superconducting motors, especially high-temperature superconducting synchronous motors, are not a very attractive option for generating energy in a stand-alone grid

Method used

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  • Superconducting machine and method for the operation thereof
  • Superconducting machine and method for the operation thereof
  • Superconducting machine and method for the operation thereof

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Embodiment Construction

[0028] figure 1A very simplified schematic diagram of a superconducting electric machine 1 according to the invention is shown, which is designed here as a synchronous electric machine. It includes a rotor 2, which is shown as a two-pole rotor for simplicity of description. In order to generate the magnetic flux at the poles, the rotor comprises superconducting coils 3 as field windings, the conductors of which consist of a superconducting material, in particular a high-temperature superconducting material. The cooling device for the superconducting coil 3 is only partly indicated by 4 . Implementing such means is known from the prior art and will not be further described here.

[0029] The rotor 2, which is designed as an inner rotor, is arranged so that it can be mounted rotatably relative to the stator 5, which has a plurality of simply shown stator windings U, V, W (armature windings), wherein each stator winding is assigned Belongs to three phases. Each stator winding...

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Abstract

Superconducting machine (1), in particular for use as a generator in a stand-alone power system, comprising, as component parts, a stator (5) and a rotor (2) capable of rotating with respect to the stator (5), - wherein at least one superconducting coil (3) for generating at least two magnetic poles is provided on at least one component part, in particular the rotor (2), which superconducting coil is cooled via a cooling device (4), and - at least two parallel winding elements (6) are provided on the respective other component part, in particular the stator (5), in the armature winding for each phase, which winding elements can be connected either in series or in parallel via at least one switching means (7).

Description

technical field [0001] The present invention relates to a superconducting electrical machine, in particular for use as a generator in an independent electrical network, having the following components, a stator and a rotor rotating relative to the stator, [0002] - wherein at least one component, in particular the rotor, is provided with at least one superconducting coil for generating at least two magnetic poles, which superconducting coil is cooled by a cooling device. Furthermore, the invention relates to a method of operating such a superconducting motor. Background technique [0003] Superconducting electric motors are already known from the prior art, which comprise superconducting coils, in particular of high-temperature superconducting materials, which can be used as field windings for generating a magnetic field at the poles. For such electrical machines, the superconducting coils must be cooled efficiently by cooling means, in particular cooling means with at lea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K55/02H02K3/28H02P25/18
CPCH02K3/28H02K9/24H02K55/04H02K2213/06H02K2213/09H02P9/006Y02E40/60H02K19/00H02K55/02H02P9/02H02P9/14
Inventor 约阿希姆·弗劳恩霍夫尔约恩·格林德曼赖纳·哈尔蒂希彼得·库姆迈斯彼得·范哈塞尔特
Owner SIEMENS AG
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