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Transformer oil taking structure and mounting method

An installation method and transformer technology, applied in the field of transformers, can solve the problems of easy electric shock, inconvenient operation, etc., and achieve the effects of eliminating the risk of electric shock, having a wide range of applications, and improving monitoring capabilities.

Pending Publication Date: 2020-08-25
SHANDONG ELECTRICAL ENG & EQUIP GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the three oil inlets on conventional transformers are generally located in the upper, middle, and lower parts of the transformer. When taking oil from the upper oil outlet, the operator needs to climb up the ladder to take oil, and it is easy to cause electric shock when the operation is live; The operator needs to squat on the ground to operate when taking oil from the oil inlet port, which is inconvenient to operate

Method used

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  • Transformer oil taking structure and mounting method
  • Transformer oil taking structure and mounting method
  • Transformer oil taking structure and mounting method

Examples

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Effect test

Embodiment 1

[0045]A transformer oil intake structure, including three oil intake ports 5 respectively arranged on the upper, middle and lower parts of the transformer, the oil intake ports 5 are connected to the oil discharge valve 4 through the connecting pipe 1, the flange plate 2, and the ball valve 3 in sequence, wherein the transformer The upper oil inlet 5 ball valve is connected to one end of the first pipe fitting 7 through the first flange, the oil inlet 5 ball valve in the middle of the transformer is connected to the second pipe fitting 8 through the second flange, and the oil inlet 5 in the lower part of the transformer passes through the third pipe fitting 6 is connected to the oil drain valve 4, the other end of the first pipe fitting 7 and the other end of the second pipe fitting 8 are connected to a tee pipe 9 through the flange 17, and the remaining two ends of the tee pipe 9 are connected to the oil chromatography online through the connecting flange 10 The other end of t...

Embodiment 2

[0051] A transformer oil intake structure, including three oil intake ports 5 respectively arranged on the upper, middle and lower parts of the transformer, no ball valve is provided at the oil intake port 5, and a connection assembly is provided at the oil intake port 5, and the connection assembly includes a first pipe section 12, The second pipe section 13, structural member 14, ball valve I19 and stepped pipe 15, the first pipe section 12 is set in the second pipe section 13, one end of the first pipe section 12 is connected with the hexagonal oil discharge stud of the oil discharge valve 4, the first pipe section The other end of 12 is connected to one end of the structural member 14, the middle part of the structural member 14 is threadedly connected to one end of the stepped pipe 15, the other end of the structural member 14 extends outside the stepped pipe 15, and one end of the second pipe section 13 is threaded to the valve seat of the oil discharge valve 4, The other...

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Abstract

The invention provides a transformer oil taking structure and a mounting method. Oil taking is convenient, and meanwhile the requirements for oil taking and manual oil taking of an oil chromatographyon-line monitoring system can be met. The transformer oil taking structure comprises three oil taking openings formed in the upper portion, the middle and the lower portion of the transformer respectively. The oil taking opening in the upper portion of the transformer is connected with one end of a first pipe through a first flange. The oil taking opening second flange in the middle of the transformer is connected with one end of a second pipe. An oil taking opening in the lower portion of the transformer is connected with an oil drain valve through a third pipe fitting, the other end of the first pipe fitting and the other end of the second pipe fitting are each connected with a three-way pipe, one of the remaining two ends of each three-way pipe is connected with an online oil monitoringdevice through a flange, the other ends of the remaining two ends are connected with the oil drain valve through flange bodies, and the three-way pipe is also connected with valves.

Description

technical field [0001] The invention relates to a transformer oil extraction structure and an installation method, belonging to the technical field of transformers. Background technique [0002] After the oil sample is obtained from the oil inlet of the transformer body, the oil and gas analysis and other tests on the oil sample are an important basis for investigating the operating state of the transformer and finding the cause of the fault after a fault occurs. The professional team of status inspection needs to take oil routinely every year and take oil for inspection immediately after a failure. At present, transformers in operation are generally provided with three oil inlets, upper, middle and lower, so as to regularly detect parameters such as gas content and water content in transformer oil at different positions, and then judge whether the components of transformer oil are normal or not. For some old transformers, due to the long operation time, the probability of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/16G01N30/02
CPCG01N1/16G01N30/02
Inventor 赵永志温胜姜良刚张锋陈雅群韩克俊李军王新刚傅春明史存伟平阳乐吕腾飞颜世凯
Owner SHANDONG ELECTRICAL ENG & EQUIP GRP