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Reactor and coil assembly thereof

A technology of coil components and reactors, which is applied in the field of inductance, can solve the problems of low coupling coefficient and high voltage loss, and achieve the effect of improving coupling coefficient, reducing voltage loss and improving insulation performance

Active Publication Date: 2019-05-28
XJ TRANSFORMER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a reactor to solve the technical problems of low coupling coefficient and high voltage loss of existing reactors; the purpose of the present invention is also to provide a coil assembly with a high coupling coefficient

Method used

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  • Reactor and coil assembly thereof
  • Reactor and coil assembly thereof
  • Reactor and coil assembly thereof

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Embodiment Construction

[0043] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0044] A specific embodiment of the reactor of the present invention, the reactor 1 of this embodiment is a gas insulated reactor, and the insulating gas adopts sulfur hexafluoride, such as Figure 1 to Figure 2 As shown, the reactor 1 includes a housing 11 and a coil assembly 12 located in the housing 11. The housing 11 is a closed box made of 304 stainless steel, filled with sulfur hexafluoride gas for insulation. The upper part of the housing 11 is provided with three insulating columns, and the outer periphery is provided with cooling fins 13, such as figure 2 As shown, the heat sink 13 includes fins arranged alternately in length, which can enhance the heat dissipation effect. The cooling fins 13 are distributed around the casing 11 . Both the incoming wire terminal 14 and the two outgoing wire terminals 15 of the coil assembly 12 are led out fro...

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Abstract

The invention relates to a reactor and a coil assembly thereof. The periphery of the iron core is provided with a plurality of insulating columns which are circumferentially arranged. The coil assembly further comprises a first coil and a second coil which are wound on the periphery of the iron core, one end of the first coil and one end of the second coil are mutually connected to form a wire inlet end, the other end of the first coil and the other end of the second coil are mutually independent wire outlet ends, the first coil and the second coil are wound around the insulating columns in anS shape, and the insulating columns are wound by the first coil and the second coil in an S shape. Coils of the coil windings are wound on the insulating columns in a crossed manner (8-shaped winding). The inner coil and the outer coil are sleeved with each other in the prior art, the two coils form a whole body, so that the coils are tightly coupled, the insulation performance between the coilsis improved, the coupling coefficient of the coil assembly can be improved by utilizing the cross winding mode, the voltage loss in a line is reduced, and the requirements of a system with a voltage level of 330KV and above can be further met while the requirements of a medium-high voltage system are met.

Description

technical field [0001] The invention relates to the field of inductance, in particular to a reactor and a coil assembly thereof. Background technique [0002] A reactor is also called an inductor, which is essentially an inductive element, which essentially provides an inductance value on an electrical circuit. Compared with the iron core reactor, the high current may cause the iron core to saturate and cause the inductance value to change. The inductance value of the coupling reactor is only related to the external dimension, the number of turns and the connection method. Under the condition that the above conditions remain unchanged, the inductance value is a constant. It has nothing to do with the passing current, so the linearity of the coupling reactor is better, and it has a wider range of applications. [0003] At present, the general air-core reactor has a single-coil winding structure, and each coil is wound by multiple layers of parallel-connected round aluminum w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F17/04H01F27/30H01F27/02
Inventor 田程涛毛爱明赵俊盟郝天瑞韩辉周金标杨建立阮夫明
Owner XJ TRANSFORMER
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