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Single-phase power transformer

A single-phase transformer and single-phase power supply technology, which is applied in the manufacture of inductors/transformers/magnets, transformer/inductor shells, circuits, etc., can solve problems such as many potential safety hazards, and achieve the prevention of electromagnetic radiation, low raw material costs, and high-quality production processes. simple effect

Inactive Publication Date: 2014-11-19
GUANGDONG YUANJING ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there are few researches on the transformer shell, but there are more and more potential safety hazards caused by the damage of the shell; in order to ensure the safety of people's production and life, we need to study a corrosion-resistant, mechanically strong and electromagnetic shielding transformer. Functional Transformer Enclosure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A single-phase power transformer, which includes a magnetic core, a coil, and a casing; the casing is prepared according to the following method:

[0022] 1) Take the following raw materials in parts by weight: 16 parts of silicon carbide, 15 parts of bauxite, 14 parts of quartz sand, 12 parts of magnesium oxide, 3 parts of lead sulfate, 2 parts of lithium-based bentonite, 2 parts of borax, anhydrous calcium sulfate 1 part and 1 part of palygorskite;

[0023] 2) Add the raw materials sequentially to the ball mill tank containing absolute ethanol, add alumina ceramic balls according to the weight ratio of the ball to material ratio of 25:1, the ball mill time is 12 hours, the ball mill temperature is room temperature, and the ball mill speed is 500 rpm , grinding the diameter of the raw material to 200 mesh, evaporating absolute ethanol to obtain the mixed material;

[0024] 3) Start the resistance melting furnace, add the mixed material obtained in step 2) to the react...

Embodiment 2

[0028] A single-phase power transformer, which includes a magnetic core, a coil, and a casing; the casing is prepared according to the following method:

[0029] 1) Take the following raw materials in parts by weight: 18 parts of silicon carbide, 15 parts of bauxite, 14 parts of quartz sand, 12 parts of magnesium oxide, 3 parts of lead sulfate, 2 parts of lithium-based bentonite, 2 parts of borax, anhydrous calcium sulfate 1 part and 1 part of palygorskite;

[0030] 2) Add the raw materials sequentially to the ball mill tank containing absolute ethanol, add alumina ceramic balls according to the weight ratio of the ball to material ratio of 25:1, the ball mill time is 24 hours, the ball mill temperature is room temperature, and the ball mill speed is 500 rpm , grinding the diameter of the raw material to 300 mesh, evaporating absolute ethanol to obtain the mixed material;

[0031] 3) Start the resistance melting furnace, add the mixed material obtained in step 2) to the react...

Embodiment 3

[0035] One, the performance test of the composite plate prepared by embodiment 1 and embodiment 2, taking the plate thickness 1cm as example, the various aspects performance parameters of the plate of embodiment 1 and embodiment 2 are shown in table 1:

[0036] Table 1

[0037] index Example 1 Example 2 Tensile strengthMpa 212 207 X-ray shielding rate% 83.1 82.6 1500 MHz electromagnetic wave shielding rate% 98.6 99.1

[0038] Two, the sample prepared by the above-mentioned embodiment 1 and 2 is placed obliquely in the 2.5%NaCl solution, and after 4 days, it is taken out with CrO 3 +AgNO 3 +Ba(NO 3 ) 2 + Remove the corrosion products on the surface of the sample with distilled water, then clean with acetone and absolute alcohol, and measure the corrosion rate (mm / a). The corrosion rates obtained in the above examples are shown in Table 2.

[0039] Table 2

[0040] Numbering Corrosion rate (mm / a) Example 1 0.10 ...

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Abstract

The invention belongs to the field of electric power supply and discloses a single-phase power transformer. The single-phase power transformer comprises a magnetic core, a coil and a shell. The invention further discloses a transformer case. The transformer case is prepared by 18 parts of silicon carbide, 15 parts of bauxite, 14 parts of quartz sand, 12 parts of magnesium oxide, 3 parts of lead sulfate, 2 parts of lithium-based bentonite, 2 parts of borax, 1 part of dried calcium sulfate and 1 part of palygorskite. The prepared transformer case can effectively prevent electromagnetic radiation and is good in corrosion-resistant effect and superior to like products on the market.

Description

[0001] technical field [0002] The invention belongs to the field of electric power supply, and discloses a single-phase power transformer, in particular, discloses a single-phase power transformer including a casing. [0003] Background technique [0004] Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. The main components are primary coil, secondary coil and iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. According to the purpose, it can be divided into: distribution transformers, power transformers, fully sealed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, etc. [0005] Single-phase power transformers are mainly used for single-phase loads and three-phase power t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/02H01F41/00
Inventor 江秀友化晨冰孙运志王士勇冯尚庆
Owner GUANGDONG YUANJING ENERGY
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