On-site rapid detection and judgment device for gas in main transformer fault oil and detection method of on-site rapid detection and judgment device

A gas-in-oil and judging device technology, which is applied in the field of on-site rapid detection and judging devices for gas-in-oil in case of a main transformer failure, can solve the problems of being unable to meet the needs of immediate judgment, taking three to four hours, and being unable to detect oil samples, etc., to achieve The effect of shortening the overall detection time, fast test speed, and improving the speed of analysis and judgment

Pending Publication Date: 2022-01-07
国网福建省电力有限公司永安市供电公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The gas ignition method is simple and easy to implement, but it has the problem of extremely low judgment accuracy. It can only preliminarily characterize the gas but not quantify it, and it can only detect gas but not oil samples; The characteristics of high detection and judgment accuracy can ensure the accuracy and reliability of the data obtained on the dissolved flammable gas content in oil, but it usually takes three to four hours for each gas sample and oil sample to complete the entire test operation process It takes only an hour to get the test results; once the site needs to quickly analyze and judge the nature of the fault, this method cannot meet the needs of on-site instant judgment because it takes too long

Method used

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  • On-site rapid detection and judgment device for gas in main transformer fault oil and detection method of on-site rapid detection and judgment device
  • On-site rapid detection and judgment device for gas in main transformer fault oil and detection method of on-site rapid detection and judgment device
  • On-site rapid detection and judgment device for gas in main transformer fault oil and detection method of on-site rapid detection and judgment device

Examples

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Embodiment 1

[0038] Example 1: Please refer to Figure 1~3 , the present invention provides an on-site rapid detection and judgment device for gas in oil with a main transformer failure, including a device controller 1, a micro pressurized air pump 2, a micro vacuum pump 3, an oil sample injector 4, a centrifugal fast degassing cycle assembly 5 and a gas Detection component 6, wherein, the device controller 1 is connected with the micro pressurized air pump 2, the micro vacuum pump 3, the centrifugal fast degassing cycle component 5 and the gas detection component 6 respectively, and the device controller 1 plays a role in controlling the micro process. Compressor air pump 2, miniature vacuum pump 3, centrifugal fast degassing cycle component 5 and gas detection component 6 perform work and analyze corresponding data information, etc. Micro pressurized air pump 2, micro vacuum pump 3, oil sample syringe 4 and gas detection component 6 They are all connected together with the centrifugal fa...

Embodiment 2

[0046] Example 2: Please refer to Figure 1~3 , the present embodiment provides a detection method for an on-site rapid detection and judgment device for gas in oil with a main transformer fault, comprising the following steps:

[0047] Detect the oil sample inside the main transformer in sudden failure and the gas sample taken out by the gas relay of the main transformer;

[0048] The detection of the oil sample inside the main transformer with sudden failure includes the following steps:

[0049] Step S1: Use the oil sample injector 4 to take out the oil sample from inside the main transformer that suddenly failed, and then connect the injection end of the oil sample injector 4 containing the oil sample to the centrifugal fast degassing cycle assembly 5 through a pipeline connection. On the oil injection port 501;

[0050] Step S2: by using the touch liquid crystal control panel 106 to issue instructions to the PLC programmable controller 102, the PLC programmable controll...

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Abstract

The invention relates to the technical field of power system fault detection, and discloses an on-site rapid detection and judgment device for gas in main transformer fault oil and a detection method of the on-site rapid detection and judgment device. The on-site rapid detection and judgment device comprises a device controller, a miniature pressurizing gas pump, a miniature vacuum pump, an oil sample injector, a centrifugal rapid degassing circulation assembly and a gas detection assembly. The device controller is in electrical communication connection with the miniature pressurizing gas pump, the miniature vacuum pump, the centrifugal rapid degassing circulation assembly and the gas detection assembly, and the miniature pressurizing gas pump, the miniature vacuum pump, the oil sample injector and the gas detection assembly are all connected with the centrifugal rapid degassing circulation assembly in a pipeline connection mode. Detection on an oil sample in the main transformer with the sudden fault and detection on a gas sample taken out from a gas relay of the main transformer are also included. The method has the characteristics of accurate detection result and high detection speed.

Description

technical field [0001] The invention relates to the technical field of power system fault detection, in particular to an on-site rapid detection and judgment device for gas in oil with a main transformer fault and a detection method thereof. Background technique [0002] When the power main transformer suddenly fails and sends a light-watt action signal and the main transformer trips unexpectedly, in order to quickly find out the nature of the main transformer failure, quickly judge and deal with the main transformer failure, the gas relay of the main transformer gas relay and the main transformer body oil are usually detected. The gas composition and content in oil can be used to judge the nature of the internal fault of the main transformer; and the detection of gas accumulation and flammable gas content dissolved in oil is an important means to judge whether there is a serious discharge fault in the main transformer. [0003] At present, the conventional methods for on-si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/416
CPCG01N27/4162
Inventor 郭志斌连鸿松游骏标杨威吴奇宝林纪鑫葛蕾张莹柯宇洁林泓晖
Owner 国网福建省电力有限公司永安市供电公司
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