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Transformer oil with excellent cooling heat-radiating and moisture preventing properties and preparation method thereof

A transformer oil and moisture-proof performance technology, which is applied in the field of transformer oil, can solve problems such as overall excellent indicators, shorten the service life of equipment, and affect the safe operation of equipment, and achieve high safe operation, good electrical and physical and chemical properties, and superior cooling and heat dissipation performance Effect

Active Publication Date: 2013-04-03
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In short, the more water content in the oil, the faster the aging of the oil itself, the aging of equipment insulation and the corrosion of metal parts, which will affect the safe operation of the equipment and shorten the service life of the equipment
[0005] At present, the products of transformer oil manufacturers are oriented to customers all over the country and even abroad. Due to the wide geographical distribution of customers and the wide variety of operating environments, manufacturers can only seek a balance in product indicators in order to take into account the needs of all aspects, but they must be fully qualified. Achieve overall excellent indicators

Method used

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  • Transformer oil with excellent cooling heat-radiating and moisture preventing properties and preparation method thereof
  • Transformer oil with excellent cooling heat-radiating and moisture preventing properties and preparation method thereof
  • Transformer oil with excellent cooling heat-radiating and moisture preventing properties and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The transformer oil with excellent cooling and heat dissipation and moisture-proof properties provided in this example is mainly prepared from the following raw materials: hydrogenated base oil, naphthenic heavy oil, antioxidant and metal deactivator, wherein hydrogenated base oil and naphthenic The weight ratio of heavy oil is 72: 28, the consumption of antioxidant accounts for 0.5% of the total weight of hydrogenated base oil and naphthenic heavy oil, and the consumption of metal deactivator accounts for the total weight of hydrogenated base oil and naphthenic heavy oil. 0.2% by weight.

[0030] Among them, the hydrogenated base oil is prepared by the following method: the intermediate base heavy oil fraction with a distillation range of 253°C-433°C is hydrotreated with tungsten-molybdenum-nickel / (alumina+silica) as a catalyst to obtain hydrogenation base oil, and make the paraffin component content in the hydrogenated base oil be 50%-60%, and the aromatic component c...

Embodiment 2

[0036] The transformer oil with excellent cooling and heat dissipation and moisture-proof properties provided in this example is mainly prepared from the following raw materials: hydrogenated base oil, naphthenic heavy oil, antioxidant and metal deactivator, wherein hydrogenated base oil and naphthenic The weight ratio of heavy oil is 75: 25, the consumption of antioxidant accounts for 0.5% of the total weight of hydrogenated base oil and naphthenic heavy oil, and the consumption of metal deactivator accounts for the total weight of hydrogenated base oil and naphthenic heavy oil. 0.1% by weight.

[0037] Among them, the hydrogenated base oil is prepared by the following method: the intermediate base heavy oil fraction with a distillation range of 253°C-433°C is hydrotreated with tungsten-molybdenum-nickel / (alumina+silica) as a catalyst to obtain hydrogenation base oil, and make the paraffin component content in the hydrogenated base oil be 50%-60%, and the aromatic component c...

Embodiment 3

[0043] The transformer oil with excellent cooling and heat dissipation and moisture-proof properties provided in this example is mainly prepared from the following raw materials: hydrogenated base oil, naphthenic heavy oil, antioxidant and metal deactivator, wherein hydrogenated base oil and naphthenic The weight ratio of heavy oil is 82: 18, and the consumption of antioxidant accounts for 0.4% of the total weight of hydrogenated base oil and naphthenic heavy oil, and the consumption of metal deactivator accounts for the total weight of hydrogenated base oil and naphthenic heavy oil. 0.1% by weight.

[0044] Among them, the hydrogenated base oil is prepared by the following method: the intermediate base heavy oil fraction with a distillation range of 253°C-433°C is hydrotreated with tungsten-molybdenum-nickel / (alumina+silica) as a catalyst to obtain hydrogenation base oil, and make the paraffin component content in the hydrogenated base oil be 50%-60%, and the aromatic compone...

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Abstract

The invention discloses transformer oil with excellent cooling heat-radiating and moisture preventing properties. The transformer oil is mainly prepared from the following raw materials: hydrogenated stock oil, naphthene thickened oil, an antioxidant and a metal passivator, wherein the ratio of the hydrogenated stock oil to the naphthene thickened oil is (72-82):(18-28) in terms of parts by weight, the amount of the used antioxidant accounts for 0.3-0.5% relative to the total mass of the hydrogenated stock oil and the naphthene thickened oil, and the amount of the used metal pasivator accounts for 0.1-0.2% relative to the total mass of the hydrogenated stock oil and the naphthene thickened oil. The invention further discloses a preparation method of the transformer oil. The transformer oil has excellent cooling heat-radiating and moisture preventing properties, thus being very suitable for being used in southern areas of China.

Description

technical field [0001] The invention relates to a transformer oil, in particular to a transformer oil with excellent cooling and heat dissipation performance and moisture-proof performance. Background technique [0002] Cooling and heat dissipation is one of the main functions of transformer oil. During the live operation of the transformer, the coil has current passing through, and the power loss is caused by the resistance. This part of the loss is called "copper loss"; when the magnetic field passes through the iron core, the power loss is caused by the magnetic flux of the iron core. For "core loss", these two parts of the loss are expressed in the form of heat. If the heat in the coil is not dissipated, the heat accumulated in the coil and the iron core will accumulate more and more, and if the internal temperature of the iron core is too high, it will damage the solid insulation wrapped outside the coil and even burn the coil. The use of transformer oil is to let the...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M101/02C10M141/06C10M133/44C10N40/16C10N30/10C10N30/14
Inventor 钱艺华黄溢彬苏伟钟振声陈天生张丽卢国华付强林永平邱嘉艳
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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