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Control model of transformer iron core technological coefficient

A control model and technology for transformers, which are used in inductor/transformer/magnet manufacturing, instruments, electrical digital data processing, etc., can solve problems such as control models that do not involve the production process coefficients of transformer cores, and achieve the goal of improving product performance and reducing costs. Effect

Active Publication Date: 2018-05-11
BAOSHAN IRON & STEEL CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In the prior art disclosed above, different technical solutions are adopted for the lamination process of the iron core, all of which are beneficial to improve the quality of the transformer iron core, but none of them involve the content of the control model of the production process coefficient of the transformer iron core in the present invention

Method used

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  • Control model of transformer iron core technological coefficient
  • Control model of transformer iron core technological coefficient
  • Control model of transformer iron core technological coefficient

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] The following table is the core processing data and no-load loss test results of the 80kVA distribution transformer core of a domestic iron core processing factory in December 2014. According to these data, the actual coefficient of the product can be calculated. At the same time, according to the analytical model of the present invention, The model coefficients of each process can be calculated, and then the entire iron core process coefficient model can be accurately calculated.

[0084]

[0085] It can be seen from the above table that according to the process model established in each process, the overall performance parameter (K) of the entire core calculated is very close to the process coefficient of the core obtained from the test results, the model calculation results are accurate, and the core loss performance is significantly improved.

[0086] Because the products of Comparative Example 1 and Comparative Example 2 have quality problems in shear processing,...

Embodiment 2

[0088] The following table is the core processing data and no-load loss test results of a 315KVA distribution transformer core in a domestic core processing factory in January 2015. According to these data, the actual coefficient of the product can be calculated. At the same time, according to the analytical model of the present invention, The model coefficients of each process can be calculated, and then the entire iron core process coefficient model can be accurately calculated.

[0089]

[0090] It can be seen from the above table that according to the process model established in each process, the overall performance parameter (K) of the entire core calculated is very close to the process coefficient of the core obtained from the test results, the model calculation results are accurate, and the core loss performance is significantly improved.

[0091] Due to problems in product structure optimization and shear processing of the products of Comparative Example 1 and Compa...

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Abstract

The invention relates to a control model of a transformer iron core technological coefficient. The transformer iron core production technological coefficient K is decomposed into five sub coefficientsaccording to each procedure: a stacking influence sub coefficient K1, a longitudinal shearing influence sub coefficient K2, a transverse shearing influence sub coefficient K3, an iron core structureinfluence sub coefficient K4 and a burr influence sub coefficient Kk; the iron core technological coefficient K has the control model as follows: K is equal to (1+K5)*(1+K1+K2+K3+K4); and the iron core adopts oriented silicon steel. By virtue of the control model disclosed in the invention, influence of each procedure of the process on the performance of the oriented silicon steel material can beaccurately analyzed; meanwhile, the influence degree of the quality of each procedure on the final iron core no-load performance can be analyzed; and through accurate positioning and analyzing, the quality of each procedure in the transformer iron core production can be better controlled, and the product performance of the transformer iron core can be improved.

Description

technical field [0001] The invention relates to a production quality control model of an oriented silicon steel type three-phase power distribution transformer iron core, in particular to a control model of a transformer iron core process coefficient. Background technique [0002] A transformer is a power transmission device manufactured based on the principle of electromagnetic induction. As the core component of the transformer, the iron core is known as the "heart of the transformer", and the grain-oriented silicon steel is the constituent material of the iron core. [0003] The manufacturing process of the transformer core mainly includes several processes such as slitting of oriented silicon steel coils, cross cutting, lamination, assembly, and testing. The no-load performance of the transformer is one of the most important performances of the transformer. In the calculation of the traditional no-load loss of the transformer, the influence of the above-mentioned process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F41/02G06F17/50
CPCG06F30/20H01F41/0233
Inventor 穆怀晨胡卓超李国保黄杰沈侃毅刘宝军赵自鹏张琪关银环
Owner BAOSHAN IRON & STEEL CO LTD
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