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Online transformer oil dielectric loss treatment device

A technology of transformer oil and dielectric loss, which is applied in the direction of transformer/inductor cooling, etc., can solve the problems of incompatibility with the requirements of intelligent power grids, and achieve the effects of preventing misoperation of protection, obvious economic benefits, and thorough adsorption

Inactive Publication Date: 2012-07-18
陕西恒成电力技术有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Obviously, the requirements of "blackout", "offline" and smart grid are not compatible

Method used

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  • Online transformer oil dielectric loss treatment device
  • Online transformer oil dielectric loss treatment device

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] Referring to the accompanying drawings, an on-line transformer oil medium loss processing device includes a transformer 1, and the oil inlet solenoid valve 3 of the transformer 1 passes through a primary filter 5, a heater 9, an atomizing device 12, an oil-water separator 13, and a negative pressure filter in sequence. The adsorption tank 17, the bidirectional gear pump 19, the positive pressure adsorption tank 22, the third-stage filter 24 and the oil return solenoid valve 2 of the transformer 1 are connected;

[0031] A second manual valve 7 is provided between the oil inlet solenoid valve 3 and the primary filter 5, a first manual valve 6 is provided between the tertiary filter 24 and the transformer 1, the second manual valve 7, and the primary filter The pipeline between 5 communicates through the pipeline between the neutral solenoid valve 4 and the firs...

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Abstract

An online transformer oil dielectric loss treatment device comprises a transformer, wherein an oil inlet solenoid valve of the transformer (1) is connected with an oil return solenoid valve of the transformer sequentially through a primary filter, a heater, an atomizer, an oil-water separator, a negative pressure adsorption tank, a bidirectional gear pump, a positive pressure adsorption tank and a three-stage filter; a second manual valve is arranged between the oil inlet solenoid valve and the primary filter; a first manual valve is arranged between the three-stage filter and the transformer; and the pipe between the second manual valve and the primary filter is connected with the pipe between the first manual valve and the three-stage filter through an intermediate solenoid valve. During operation of the transformer oil dielectric loss treatment device, the oil flows to the primary filter through an entrance under the action of the pressure difference between inside and outside to filter the oil, is processed by heating, oil-gas separation and water removal, subsequently enters the negative pressure adsorption tank for adsorption, then is heated in the pipe, seeps to the positive pressure adsorption tank for adsorption, and finally flows the transformer body after being filtered by the three-stage filter. The online transformer oil dielectric loss treatment device provided by the invention has the advantages of online treatment, and so on.

Description

technical field [0001] The invention relates to the field of transformer oil medium, in particular to an on-line transformer oil medium loss processing device. Background technique [0002] The energy loss caused by transformer oil under the action of an electric field is called the dielectric loss of transformer oil, which is usually expressed by the dielectric loss tangent tgδ. [0003] Measuring the dielectric loss tangent tgδ of insulating oil can sensitively reflect the aging degree of insulating oil under the influence of electric field, oxidation, sunlight, high temperature and other factors, and can also sensitively find out that when the insulating oil contains water or other impurities are mixed, the The generated polar impurities and charged colloidal substances gradually increase. Therefore, the tgδ test of transformer insulating oil is an important electrical characteristic test. [0004] Power transformer is the key and important equipment in the power system...

Claims

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Application Information

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IPC IPC(8): H01F27/14
Inventor 牛天翔闫杰
Owner 陕西恒成电力技术有限责任公司
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