Manufacturing method of 10kV oil-immersed transformer

A technology of oil-immersed transformers and manufacturing methods, applied in the direction of inductance/transformer/magnet manufacturing, coil manufacturing, electrical components, etc., can solve the problems of insufficient maintenance, excessive maintenance, high cost, etc., and achieve the effect of reducing the failure rate of equipment

Inactive Publication Date: 2016-11-09
LIUZHOU HAIGE ELECTRICAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the planned maintenance system adopted by most of the power equipment in the power system has serious defects, such as frequent temporary maintenance, insufficient or excessive maintenance, blind maintenance, etc., which makes countries around the world spend a lot of money on equipment maintenance every year
For a long time, my country's power system has

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] A method for manufacturing a 10kV oil-immersed transformer, comprising: sealing the overlapping end faces of the iron core made of amorphous alloy materials using cold-rolled grain-oriented silicon steel sheets with solid sealant; A core column without windings is bound tightly with paper slots and shrinkage bands;

[0016] Enamelled copper wire is used to wind the high-voltage winding, and the coil layers of the high-voltage winding are insulated and protected by diamond-coated insulating paper;

[0017] The low-voltage winding is made of a whole piece of copper foil, and the coil layers of the low-voltage winding are insulated and protected by double-layer rhombic glued insulating paper.

[0018] Combining high voltage winding, low voltage winding and core respectively;

[0019] Then put the combined high-voltage winding, low-voltage winding and iron core into the fuel tank;

[0020] Inject transformer oil into the oil tank by vacuum oil injection process.

[0021]...

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Abstract

The invention discloses a manufacturing method of a 10kV oil-immersed transformer. The method comprises the steps as follows: an iron core overlapping end surface of an amorphous alloy material manufactured by a cold-rolled grain-oriented silicon steel sheet is sealed through a solid sealant, and a closed iron core-yoke part and two core limbs which are not sleeved with windings are fastened through a paper channel and a contraction band; a high-voltage winding is formed by winding an enamelled copper wire, and insulation protection is carried out through diamond dotted paper between coil layers of the high-voltage winding; a low-voltage winding is formed by winding overall copper foil, insulation protection is carried out through double layers of diamond dotted paper between the coil layers of the low-voltage winding, and the high-voltage winding, the low-voltage winding and an iron core are combined together separately; the combined high-voltage winding, low-voltage winding and iron core are put into an oil tank; and transformer oil is injected into the oil tank by a vacuum oil filling process. The advantage of reducing the equipment failure rate is achieved.

Description

technical field [0001] The invention relates to the field of electric equipment, in particular to a method for manufacturing a 10kV oil-immersed transformer. Background technique [0002] At present, the planned maintenance system adopted by most of the power equipment in the power system has serious defects, such as frequent temporary maintenance, insufficient or excessive maintenance, blind maintenance, etc., which makes countries around the world spend a lot of money on equipment maintenance every year. For a long time, my country's power system has implemented a regular maintenance system for power equipment, that is, equipment is tested and maintained according to the planned time period, so there are disadvantages of over-maintenance and under-maintenance. A fault in the power system often causes a large-scale power outage. However, existing power equipment has a relatively high failure rate. Contents of the invention [0003] The object of the present invention is...

Claims

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Application Information

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IPC IPC(8): H01F41/00H01F41/02H01F41/061H01F41/064H01F41/12
CPCH01F41/00H01F41/02H01F41/122
Inventor 叶金叶光岩叶淑景王家祥
Owner LIUZHOU HAIGE ELECTRICAL
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