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Cable and electromagnetic device comprising the same

一种线缆、设备的技术，应用在电磁设备领域，能够解决CTC线缆昂贵、高电压电感性设备材料成本增加等问题，达到性能优越、降低屈服强度的需求、降低成本的效果

Active Publication Date: 2014-01-01
HITACHI ENERGY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the manufacture of CTC cables with multiple sufficiently slim and transposed wire bundles is a very expensive process and requires bonding and insulation of the wire bundles with epoxy
Therefore, the material cost of high voltage inductive equipment is greatly increased

Method used

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  • Cable and electromagnetic device comprising the same
  • Cable and electromagnetic device comprising the same
  • Cable and electromagnetic device comprising the same

Examples

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Embodiment Construction

[0041] The inventive concept will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments are shown. However, inventive concepts may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided by way of example so that this disclosure will be comprehensive complete and will fully convey the scope of the inventive concept to those skilled in the art. Like reference numerals refer to like elements throughout the description.

[0042] Figure 1a is a cross-sectional view of a cable 1 for winding according to the prior art. The cable 1 , which may for example be a continuously transposed cable (CTC), comprises a wire harness 3 serving as conductors for conducting electrical current. The wire harnesses 3 are arranged axially adjacent to each other to form a cable with a rectangular cross section. Each wire harness 3 is provided with en...

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PUM

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Abstract

A cable for winding of an electromagnetic device. The cable includes a conductor, and a layer including a magnetic material having a relative permeability in the range 2 to 100000, wherein the layer at least partly surrounds the conductor.

Description

technical field [0001] The present disclosure relates generally to power systems, and in particular to a cable for a winding of an electromagnetic device and an electromagnetic device having a winding comprising such a cable. Background technique [0002] Electromagnetic devices such as transformers and reactors are used in power systems for voltage level control. In this regard, a transformer is an electromagnetic device used to step up or down voltage in a power system in order to generate, transmit and utilize electricity in a cost-effective manner. In a more general sense, a transformer has two main parts, eg a magnetic circuit, a core, made of laminated iron, and an electrical circuit, a winding, usually made of aluminum or copper wire. [0003] Larger transformers used in power networks are usually designed for high efficiency and have a stringent set of operating criteria, such as dielectric, thermal, mechanical and acoustical standards. Due to the continuously incr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/28H01F27/36
CPCH01F27/2823H01F5/00H01F27/288
Inventor C·索恩克维斯特G·埃里克森J·哈杰克J·席斯林M·普拉德汉
Owner HITACHI ENERGY LTD