Self-adsorption insulating paper for transformer core

Abstract

The invention discloses self-adsorption insulating paper for a transformer core, and belongs to the technical field of transformers. The self-adsorption insulating paper for the transformer core includes an insulating paper body and an electrostatic generation film layer, the insulating paper body includes a heat-resisting and high-temperature insulating paper layer, a heat-resisting adhesive layer and an EMP film layer, the heat-resisting and high-temperature insulating paper layer is bonded to the EMP film layer through the heat-resisting adhesive layer, abnormal type adsorption villi are densely distributed on the end face, away from the heat-resisting adhesive layer, of the heat-resisting and high-temperature insulating paper layer, anti-oxidation electrostatic generation villi are densely distributed on the end face, close to the heat-resisting and high-temperature insulating paper layer, of the electrostatic generation film layer, the insulating paper body can be stably adsorbedon the surface of the core by using static electricity, the oxidation change state of the abnormal type adsorption villi on the insulating paper body is used, so that the insulating paper body stablybody adheres the surface of the core, bulging is not prone to occurring, the gap between the insulating paper body and the surface of the core is reduced, at the same time, the self-adsorption insulating paper has the effects of energy saving and environmental protection, and the service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to a self-absorbing insulating paper used for transformer iron cores. Background technique [0002] A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are a primary coil, a secondary coil and an iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. According to the purpose, it can be divided into: distribution transformers, power transformers, fully sealed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, etc. [0003] As we all know, the actual transformer always works in the AC state, and the power loss is not only in the resistance of the coil, but also i...

AI Technical Summary

Problems solved by technology

[0007] The existing insulating paper wrapping the iron core of the transformer is not easy to handle when wrapping, and the adhesion between the insulating paper itself and the iron core is poor, which is prone to bulging, that is, there is still a lot of noise, static electricity and The problem of high energy consumption

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