Method for manufacturing a stacked triangular core transformer

A triangular, stacked technology, used in the manufacture of transformer/inductor components, transformer/inductor cores, and inductor/transformer/magnet manufacturing, etc., can solve labor-consuming and expensive problems, reduce throughput time, simplify cores The effect of the body assembly process

Inactive Publication Date: 2015-10-14
ABB (SCHWEIZ) AG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So an additional device is required for this purpose, which can be expensive and labor-intensive

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  • Method for manufacturing a stacked triangular core transformer
  • Method for manufacturing a stacked triangular core transformer
  • Method for manufacturing a stacked triangular core transformer

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Embodiment Construction

[0037]The active part of the transformer consists of a triangular core 1 comprising three core legs 2 and six yoke sections 3 , and three coil windings 4 positioned on each core leg. Each foot comprises two symmetrical halves 2a, which are mirror images in a plane perpendicular to the cross-section of the foot. The single half 2a of a given leg is connected together at the top and bottom of the leg with the single half 2a of the second leg by two yoke sections 3 respectively, thereby forming a single core frame 5 . The yoke section 3 has an arc shape bent at an angle of 120°. The yoke section 3 can be realized in a V-shape or similar to a V-shape, which is not shown in the picture. The individual core frames are mechanically secured by means of outer clamping beams 6 and inner clamping beams 7 placed along the yoke sections 3 . The outer clamping beam 6 may be equipped in at least one stiffener 8 in the form of a flat sheet metal or other form not shown in the pictures. The...

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Abstract

The present invention refers to the method for manufacturing a stacked triangular core transformer. The method is used in a production of distribution and power transformers using a stacked technology for core transformers. The method comprises a step of assembling a triangular core (1) which is comprising the following steps: a) positioning of two halves of one leg (2a) on the assembly stand on the horizontal position; b) securing the positioned halves using an upper part of adapters (16b) on the assembly stand; c) positioning of an outer clamping beam (6) underneath two leg halves (2a) at the one end of the leg halves (2a); d) assembling the yoke segment (3) at the one end of two halves (2a) of the core leg (2); e) forming a first clamp of the frame (5); f) forming a second clamp of the frame (5) at the other end of the two halves (2a) of the core leg (2) by repeating the steps "c" to "e"; g) tightening the first clamp and the second clamp together by securing means; h) rotating a single core frame (5) into vertical position and releasing securing bar (17) of the assembly stand; i) assembling two additional single core frames (5), by repeating steps "a" - "h"; j) positioning the all three single core frames (5) in abutting position, and then tightening them mechanically at the bottom and the top of the frames.

Description

technical field [0001] The present invention relates to a method for manufacturing a stacked triangular core transformer. The method is applied to the production of distribution and power transformers, which utilizes the stacking technology used for core transformers. Background technique [0002] The application of the triangular core concept is gaining increasing interest in the design of distribution and power transformers. It is claimed that triangular core transformers require less core material compared to planar cores. It also benefits from a smaller footprint and a fully symmetrical structure, which brings certain electrical advantages. If the transformer core is realized in winding technology, the level of no-load losses is additionally reduced. However, triangular cores are not easy to produce because their design is more complex compared to planar cores. Production is made more difficult because all three core legs are spatially positioned in 3D space, rather ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/245H01F27/26H01F41/02H01F27/30
CPCH01F27/245H01F27/26H01F27/30H01F41/0233H01F41/06
Inventor T.诺瓦克R.普拉特克W.维索基P.克赖斯W.法比贾诺维斯基E.斯特肯J.瓦鲁姆罗德A.舒里
Owner ABB (SCHWEIZ) AG
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