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Annealing process for three-phase three-column amorphous alloy iron core

A three-phase three-column, amorphous iron core technology, applied in the field of transformers, can solve the problems of rising VA value and large impact on iron core performance, and achieve the effect of ensuring quality

Inactive Publication Date: 2012-04-11
CEEG JIANGSU
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Problems solved by technology

[0008] This method will cause the W value and VA value to increase by about 30%~50% during assembly, which will have a great impact on the performance of the core.

Method used

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  • Annealing process for three-phase three-column amorphous alloy iron core
  • Annealing process for three-phase three-column amorphous alloy iron core

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0018] Such as figure 1 Shown: a three-phase three-column amorphous alloy core annealing process, including the following steps:

[0019] 1) Shape the sheared amorphous strips separately: a large frame core 2 and two small frame cores 1;

[0020] 2) Assemble the large frame core 2 and the small frame core 1 into a three-phase three-column amorphous core;

[0021] 3) Wrap the conductor row 3 with the corresponding number of turns on the above-mentioned three-phase three-column amorphous core, connect the conductor row 3, and heat-treat the three-phase three-column core as a whole;

[0022] 4) The heat-treated three-phase three-column amorphous core is finally treated to fix its performance, and then coated with epoxy resin to complete the entire annealing process.

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Abstract

The invention discloses an annealing process for a three-phase three-column amorphous alloy iron core. The annealing process comprises the following steps of: preparing one big-frame iron core and two small-frame iron cores; splicing the big-frame iron core and the small-frame iron cores into a three-phase three-column amorphous iron core; winding conductor bars with corresponding number of turns on the three-phase three-column amorphous iron core, well connecting the conductor bars, and thermally treating the three-phase three-column iron core integrally; and performing final treatment on the three-phase three-column amorphous iron core subjected to the thermal treatment to make the three-phase three-column amorphous iron core immobilized in performance, and then coating epoxy resin to complete the entire annealing process. The annealing process disclosed by the invention has no influence on the performance of the iron core, so that the quality of the iron core is ensured.

Description

[0001] technical field [0002] The invention relates to the technical field of transformers, in particular to a three-phase three-column amorphous alloy core annealing process. Background technique [0003] The three-phase three-column amorphous alloy core is composed of two small frames and a large frame core. The prior art method is: [0004] 1. Shape the sheared amorphous strips separately, one large frame core and two small frame cores; [0005] 2. Carry out heat treatment on the formed iron core respectively; [0006] 3. Assemble the three cores that have completed the heat treatment into a three-phase three-column core; [0007] 4. Coat the assembled three-phase three-column amorphous core with epoxy resin. [0008] This method will cause the W value and VA value to increase by about 30% to 50% during assembly, which will have a great impact on the performance of the core. Contents of the invention [0009] The purpose of the present invention is to reduce the p...

Claims

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Application Information

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IPC IPC(8): H01F41/02C21D9/00
Inventor 高昌平周永红
Owner CEEG JIANGSU
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