Structure of amorphous alloy iron core dry distribution transformer body

A technology of distribution transformers and amorphous alloys, applied in transformers, fixed transformers, transformers/inductor coils/windings/connections, etc., can solve the problem of large no-load loss of transformers, reduce material consumption, and strengthen insulation , the effect of compact body structure

Active Publication Date: 2009-06-10
SHANGHAI ZHIXIN INTELLIGENT ELECTRIC CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

[0002] At present, the iron core of the dry-type distribution transformer is basically made of cold-rolled silicon steel sheets, and the cross section of the iron core column is circular. Due to the magnetic properties of the silicon steel sheet itself, the no-load loss of the transformer Big

Method used

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  • Structure of amorphous alloy iron core dry distribution transformer body
  • Structure of amorphous alloy iron core dry distribution transformer body

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Embodiment Construction

[0012] Such as Figure 1~2 As shown, it is an embodiment of the present invention (that is, the body structure of an amorphous alloy iron core dry-type distribution transformer), which is a four-frame and five-column structure, and is especially suitable for amorphous alloy iron core dry-type distribution transformers with a voltage level of 35kV. Electric transformer.

[0013] The body structure of the amorphous alloy iron core dry-type distribution transformer includes an amorphous alloy iron core 1, high and low voltage coils 2 and 3 arranged in coaxial layers, upper and lower clamps 5, insulating support plates 6 and two The end clips 9, wherein: the upper and lower clips 5 and the two end clips 9 form a rigid frame structure.

[0014] The characteristics of the present invention are: first, an insulating cylinder 7 is provided between the high and low voltage coils 2 and 3; There are several insulating briquetting blocks 4 respectively distributed between them, that is ...

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Abstract

This invention relates to a dry distribution transformer of a non-crystal alloy including: a non-crystal alloy core, high and low voltage coils, up and low clamps, insulation bracing plates, an insulation tube set between the coils and several insulation briquets distributed between the low clamp and the bottom of the coils and the up clamp and the top of the coils, in which, said coils are set on the low clamp by said insulation briquets, the up yoke of the non-crystal alloy core is suspended on the coils by the briquets and the insulation bracing plates, the coils and the insulation tube are rectangles with fillets at the corners to improve the distribution of the field strength of the coil corners.

Description

technical field [0001] The invention relates to a body structure of a transformer, in particular to the body structure of an amorphous alloy iron core dry-type power distribution transformer. Background technique [0002] At present, the iron core of the dry-type distribution transformer is basically made of cold-rolled silicon steel sheets, and the cross section of the iron core column is circular. Due to the magnetic properties of the silicon steel sheet itself, the no-load loss of the transformer is relatively low Big. [0003] Therefore, an existing amorphous alloy transformer has been applied due to its excellent soft magnetic properties and small no-load loss. However, due to the relatively small width of amorphous alloy strips, it is difficult to make The cross-section of the core is circular, so the cross-section of the iron core column of the amorphous alloy core dry-type distribution transformer is usually rectangular, and the cross-section of the matching high an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F30/06H01F27/32
Inventor 陈华山凌健王佩明
Owner SHANGHAI ZHIXIN INTELLIGENT ELECTRIC CO LTD
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