A three-dimensional wound core transformer phase partition and its manufacturing method
A phase partition, three-dimensional technology, applied in the direction of transformer/inductor coil/winding/connection, coil manufacturing, etc., can solve the problem of uneven field strength at the end, large distance between high-voltage coil and high-voltage coil, and large electrical distance And other problems, to avoid oil flow dead spots, reduce the weight of the iron core, improve the effect of electric strength
Active Publication Date: 2018-05-04
TBEA SHENYANG TRANSFORMER GRP CO LTD
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Problems solved by technology
[0004] At present, this three-dimensional wound core transformer technology has become mature, but the three-dimensional wound core transformer uses rectangular phase partitions (such as image 3 As shown), the distance between the high-voltage coil and the high-voltage coil is large, and the electrical distance from the end of the high-voltage coil to the upper and lower iron yokes is large, resulting in uneven field strength at the end
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[0030] The present invention will be further described below with reference to the accompanying drawings.
[0031] like figure 1 , 2 As shown in the figure, the three-dimensional three-dimensional wound iron core transformer phase partition plate of the present invention has a partition plate 1 and a brace 2, wherein the partition plate 1 is a back-to-back structure composed of two right-angle C-shaped frames, and a brace is arranged between the two right-angle C-shaped frames. Article 2.
[0032] The upper end face of the right-angle C-shaped frame is provided with a semicircular notch.
[0033] The lower end surface of the right-angle C-shaped frame is provided with a semicircular notch.
[0034] The manufacturing method of the three-dimensional three-dimensional wound iron core transformer phase partition plate of the present invention is as follows:
[0035] Prepare two pieces of cardboard of sufficient size, and reserve the length of the upper and lower ends;
[003...
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The invention relates to a three-dimensional three-dimensional wound core transformer phase partition and a manufacturing method thereof. Stays; the method is: prepare two cardboards of sufficient size, reserve the length of the upper end surface and the lower end surface; remove the semicircular notch at the position of the upper end surface and the lower end surface; bend each cardboard into a right angle C according to the reserved size Type frame; two right-angle C-type frames are bonded together in a back-to-back manner through stays and insulating glue to form a phase partition. The invention reduces the insulation distance between the phases of the transformer, reduces the electrical distance from the coil end to the upper and lower iron yokes, and improves the breakdown voltage of the oil gap; at the same time, it makes the oil flow of the transformer smooth and avoids dead spots of oil flow , Easy to install and easy to operate.
Description
technical field [0001] The invention relates to a manufacturing technology of a three-dimensional three-dimensional wound iron core transformer, in particular to a three-dimensional three-dimensional wound iron core transformer phase partition plate and a manufacturing method thereof. Background technique [0002] The three-dimensional three-dimensional wound iron core transformer is another generation of revolutionary transformers following the plug-in and flat wound iron core transformers. It is a new type of transformer with more reasonable structure, better performance and more significant energy saving. Electric transformers have been widely recognized in the market. [0003] The three-dimensional three-dimensional wound core transformer breaks through the traditional design of three-phase plane-arranged wound cores through magnetic circuit analysis. The circuit is symmetrical, the three-phase coils are arranged in the shape of "pin", and a central oil circuit is forme...
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IPC IPC(8): H01F27/30H01F41/04
Inventor 韩红军高键杨玉珑孙希龙彭飞
Owner TBEA SHENYANG TRANSFORMER GRP CO LTD