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Encapsulation and damp-proof treatment method for dry-type air-core reactor

An air-core reactor and moisture-proof treatment technology, which is applied in the manufacture of inductors, fixed inductors, inductors/transformers/magnets, etc., can solve the problem that dry-type air-core reactors cannot effectively shield moisture, and reduce inter-turn short circuit and burnout chance, reduce possibility, and increase service life

Active Publication Date: 2016-06-22
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a dry-type air-core reactor encapsulation moisture-proof treatment method to solve the problem that the dry-type air-core reactor cannot effectively shield moisture, reduce the probability of inter-turn short circuit, and improve the service life

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  • Encapsulation and damp-proof treatment method for dry-type air-core reactor

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Embodiment Construction

[0018] In order to further illustrate the encapsulation and moisture-proof treatment method for dry-type air-core reactors provided by the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings.

[0019] see figure 1 and figure 2 , the dry-type air-core reactor encapsulation and moisture-proof treatment method provided by the embodiment of the present invention includes:

[0020] A dry-type air-core reactor is provided. The dry-type air-core reactor includes several envelopes sheathed concentrically. There is an interval between two adjacent envelopes, and the interval can form a long and narrow air channel. The side walls of the air channel are opposite to each other. Adjacent to the opposing surfaces of the two envelopes.

[0021] The airway treatment method includes: extending the badger nozzle into the airway of the dry-type hollow reactor, and spraying the encapsulation slurry to the s...

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Abstract

The invention discloses an encapsulation and damp-proof treatment method for a dry-type air-core reactor, relates to the technical field of power equipment, and aims at solving the problem that encapsulation of the dry-type air-core reactor cannot achieve an effective damp-proof effect. The probability that a coil is burnt out due to a turn-to-turn short circuit is reduced; and the service lifetime of the dry-type air-core reactor is prolonged. According to an airway management method for the dry-type air-core reactor, a hog badger nozzle extends into an airway of the dry-type air-core reactor; encapsulation slurry is sprayed on the encapsulated side wall through the hog badger nozzle; and an airway coating layer is evenly formed on the encapsulated side wall. The encapsulation and damp-proof treatment method for the dry-type air-core reactor is applied to damp-proof treatment of the dry-type air-core reactor.

Description

technical field [0001] The invention relates to the technical field of electric power equipment, in particular to an encapsulation and moisture-proof treatment method for a dry-type air-core reactor. Background technique [0002] Dry-type air-core reactor is a kind of power equipment commonly used by power grid enterprises, mainly used for limiting short-circuit current, reactive power compensation, etc. The dry-type air-core reactor must have the function of waterproof and moisture-proof, but since the air passage is formed between the adjacent envelopes in the dry-type air-core reactor, the air passage is relatively narrow and long, and it is difficult to perform moisture-proof treatment on the surface of the envelope forming the air passage; During the operation process, the package will age in the environment of high voltage, high temperature, high electric field, high humidity and high ultraviolet rays, which will threaten the inter-turn insulation and cause short circu...

Claims

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Application Information

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IPC IPC(8): H01F41/00H01F37/00
CPCH01F37/00H01F41/005
Inventor 邹林李锐海张万青吕伟桃廖新征
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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