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Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device

A converter transformer and transition connection technology, applied in the direction of transformer/inductor coil/winding/connection, connection, coupling device, etc., can solve problems such as uneven distribution of electric field intensity at the end of the coil, potential safety hazards, and defective manufacturing methods , to improve the distribution of electric field intensity, ensure safety and reliability, and improve the effect of insulation reliability

Active Publication Date: 2012-08-08
SHANDONG DACHI ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the existing transformer coil head structure and its manufacturing method are not suitable, resulting in uneven distribution of electric field intensity at the end of the coil, low insulation reliability, and certain potential safety hazards

Method used

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  • Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device
  • Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device
  • Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device

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Embodiment Construction

[0022] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes a coil 1, a lead wire 2 and a coil lead wire 3, the lead wire 2 is welded to the opening end of the copper plate 4, the coil lead wire 3 is welded to the lead wire end of the copper plate 4, the lead wire 2, the coil lead wire 3 and the copper plate 4 Insulating paper 5 is respectively wrapped, and an insulating cardboard 6 is arranged between the copper plate 4 and the wire cake at the end of the coil 1 . The thickness of the insulating paper 5 is greater than the insulation thickness of the original wire. The four edges of the copper plate are chamfered.

[0023] The manufacturing method of the high-voltage converter transformer coil outlet transition connection device according to the present invention comprises the following steps:

[0024] a. Make the transition connection copper plate: the end of the opening is the lead end, and the other end is the wire end ...

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Abstract

The invention belongs to the technical field of transformer manufacture and particularly relates to a coil outlet end transition connecting device of a high-voltage current conversion transformer and a manufacture method of the coil outlet end transition connecting device. The coil outlet end transition connecting device of the high-voltage current conversion transformer comprises a coil, a lead wire and a coil outlet end conducting wire and is characterized in that the lead wire is welded with the hole opening end of a copper plate, the coil outlet end conducting wire is welded with the outlet end conducting wire end of the copper plate, insulation paper is respectively covered outside the lead wire, the coil outlet end conducting wire and the copper plate, and insulation paper boards are arranged between the copper plate and coil end part coil cake. The manufacture method comprises the following steps that: a, a transition connecting copper plate is manufactured; b, connection, treatment and bandage are carried out; and c, the placement and the fixation are carried out. The coil outlet end transition connecting device of the high-voltage current conversion transformer has the beneficial effects that the end part electric field distribution of the coil is improved, the insulation reliability is improved, and the safety and the reliability of the transformer are ensured.

Description

(1) Technical field [0001] The invention belongs to the technical field of transformer manufacturing, and in particular relates to a high-voltage converter transformer coil outlet transition connection device and a manufacturing method thereof. (2) Background technology [0002] At present, the existing transformer coil head structure and its manufacturing method are inappropriate, resulting in uneven distribution of electric field intensity at the end of the coil, low insulation reliability, and certain potential safety hazards. Therefore, a high-voltage converter transformer coil outlet transition connection device and its manufacturing method are invented, which can move the coil outlet from the outside to the middle or inside. (3) Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the present invention provides a high-voltage converter transformer coil outlet transition connection device and a manufacturing method ...

Claims

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Application Information

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IPC IPC(8): H01F27/29H01F27/32H01R31/06
Inventor 马立明侯世勇王江涛
Owner SHANDONG DACHI ELECTRIC
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