Winding technology of dry-type air reactor

Abstract

The invention discloses a winding technology of a dry-type air reactor. The winding technology comprises the following steps of yarn and insulating material winding, electromagnetic wire winding, plaster filling, epoxy resin mixture brushing, encapsulating outer insulating layer winding, winding solidifying, inlet-outlet wire and lead wire welding, electricity performance testing, insulation varnish painting and silicon rubber insulating paint painting. By means of the winding technology, the insulating level and the damp-proof capacity of the dry-type air reactor can be improved, tiny cracks in the inner surface and the outer surface of an encapsulation of the reactor and small cracks in an inlet-outlet wire are eradicated, the aging speed of a polyester film wrapping an electromagnetic wire is reduced, short circuit caused by turn-insulating breakdown is prevented, product burning is avoided, and the safe and stable operation of a power grid is not affected.

Description

technical field [0001] The invention relates to a production process technology for improving the moisture-proof ability of a dry-type air-core reactor, in particular to a winding process for a dry-type air-core reactor. Background technique [0002] With the acceleration of my country's power grid construction and the expansion of scale, the number of substations is also increasing. Due to its simple structure, convenient and flexible installation, good linear characteristics, stable parameters, low noise, and no oil, dry-type air-core reactors have been favored by users in recent years, and their consumption is increasing year by year, and their capacity and voltage level are also increasing. keep rising. With the increasing use of the grid, there are also various operational failures that come with it. In the summary analysis of the fault problem, we found that the main reason for the reactor burnout is that the winding envelope is not tightly sealed, which is manifeste...

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Problems solved by technology

In the summary analysis of the fault problem, we found that the main reason for the reactor burnout is that the winding envelope is not tightly sealed, which is manifested in the small cracks on the inner and outer surfaces of the envelope and the small gaps at the inlet and outlet lines, resulting in a long-term outdoor operation. During operation, rainwater and moisture slowly infiltrate, which accelerates the aging speed of the insulation material of the electromagnetic wire, and finally causes the inter-turn insulation breakdown and short circuit, which causes the product to burn out and affects the safe and stable operation of the power grid. There is no better solution to this problem in technology

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