CN105223132A - Based on the Gases Dissolved in Transformer Oil on-line monitoring system of fiber grating - Google Patents
Based on the Gases Dissolved in Transformer Oil on-line monitoring system of fiber grating Download PDFInfo
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- CN105223132A CN105223132A CN201510575888.6A CN201510575888A CN105223132A CN 105223132 A CN105223132 A CN 105223132A CN 201510575888 A CN201510575888 A CN 201510575888A CN 105223132 A CN105223132 A CN 105223132A
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Abstract
The present invention relates to a kind of Gases Dissolved in Transformer Oil on-line monitoring system based on fiber grating, it is characterized in that: comprise Surveillance center, controller, gas-oil separation detecting device, fiber grating gas sensor array, optical analyser, signal processing unit, digital sample module, diagnosis unit, described Surveillance center arranges master server, man-machine interface, control end, health evaluating module and healthy early warning module, and described master server is connected with man-machine interface, control end, health evaluating module, healthy early warning module and the controller that is positioned at transformer terminal respectively.The invention has the beneficial effects as follows: the undesired signal eliminating long range propagation coupling, cable consumption is little, and easy construction, reliability are high, antijamming capability is strong; Adopt fiber-optic grating sensor to detect gas, not power consumption of fiber-optic grating sensor itself, has the advantages such as reliable and stable, antijamming capability is strong, the life-span is long, be quick on the draw.
Description
Technical field
The present invention relates to electrical equipment monitoring technical field, specifically a kind of Gases Dissolved in Transformer Oil on-line monitoring system based on fiber grating.
Background technology
Along with the overall fast development to bulk power grid, large-sized unit, high power capacity of power industry, more and more higher technical requirement is proposed to the real-time grasp of critical electrical equipment running status.When transformer exists local overheating or shelf depreciation, the insulating oil of trouble location or solid insulation can not decomposite small molecule hydrocarbon (as CH
4, C
2h
6, C
2h
4deng) and other gases (as H
2, CO etc.).In the concentration of above-mentioned gas in fluid and oil, the concentration of inflammable gas, can be used as the diagnosis index of not fault in potential device.But traditional transformer monitoring systems exist sensitivity low, be vulnerable to electromagnetic interference (EMI), cost is high, error is large shortcoming, be difficult to meet higher technical requirement.Solve the problem so need a kind of Gases Dissolved in Transformer Oil on-line monitoring system based on fiber grating badly.
Summary of the invention
Not enough for above-mentioned prior art, the invention provides a kind of Gases Dissolved in Transformer Oil on-line monitoring system based on fiber grating.
Gases Dissolved in Transformer Oil on-line monitoring system based on fiber grating provided by the invention is achieved through the following technical solutions:
Based on a Gases Dissolved in Transformer Oil on-line monitoring system for fiber grating, it is characterized in that: comprise Surveillance center, controller, gas-oil separation detecting device, fiber grating gas sensor array, optical analyser, signal processing unit, digital sample module, diagnosis unit, described Surveillance center arranges master server, man-machine interface, control end, health evaluating module and healthy early warning module, described master server respectively with man-machine interface, control end, health evaluating module, healthy early warning module is connected with the controller being positioned at transformer terminal, described gas-oil separation detecting device, fiber grating gas sensor array, optical analyser, gas-monitoring control box, signal processing unit, digital sample module, diagnosis unit is arranged on transformer terminal, described controller respectively with gas-oil separation detecting device, optical analyser, gas-monitoring control box, signal processing unit, digital sample module, diagnosis unit connects, and described fiber grating gas sensor array is connected with optical analyser.
Described fiber grating gas sensor array is made up of multiple fiber grating gas sensor.
Described on-line monitoring system adopts industrial RS485 bus interface.
The invention has the beneficial effects as follows:
1, monitor signal carries out data conversion at the scene, by digital signal, data is sent to Surveillance center, and eliminate the undesired signal of long range propagation coupling, cable consumption is little, and easy construction, reliability are high, antijamming capability is strong; 2, adopt fiber-optic grating sensor to detect gas, not power consumption of fiber-optic grating sensor itself, has the advantages such as reliable and stable, antijamming capability is strong, the life-span is long, be quick on the draw.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of Gases Dissolved in Transformer Oil on-line monitoring system based on fiber grating as shown in Figure 1, is characterized in that: comprise Surveillance center, controller, gas-oil separation detecting device, fiber grating gas sensor array, optical analyser, signal processing unit, digital sample module, diagnosis unit, described Surveillance center arranges master server, man-machine interface, control end, health evaluating module and healthy early warning module, described master server respectively with man-machine interface, control end, health evaluating module, healthy early warning module is connected with the controller being positioned at transformer terminal, described gas-oil separation detecting device, fiber grating gas sensor array, optical analyser, gas-monitoring control box, signal processing unit, digital sample module, diagnosis unit is arranged on transformer terminal, described controller respectively with gas-oil separation detecting device, optical analyser, gas-monitoring control box, signal processing unit, digital sample module, diagnosis unit connects, and described fiber grating gas sensor array is connected with optical analyser.
Further, described fiber grating gas sensor array is made up of multiple fiber grating gas sensor.
Further, described on-line monitoring system adopts industrial RS485 bus interface.
The above embodiment only represents embodiments of the present invention, and it describes comparatively concrete and detailed, but can not be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to scope.
Claims (3)
1., based on a Gases Dissolved in Transformer Oil on-line monitoring system for fiber grating, it is characterized in that: comprise Surveillance center, controller, gas-oil separation detecting device, fiber grating gas sensor array, optical analyser, signal processing unit, digital sample module, diagnosis unit, described Surveillance center arranges master server, man-machine interface, control end, health evaluating module and healthy early warning module, described master server respectively with man-machine interface, control end, health evaluating module, healthy early warning module is connected with the controller being positioned at transformer terminal, described gas-oil separation detecting device, fiber grating gas sensor array, optical analyser, gas-monitoring control box, signal processing unit, digital sample module, diagnosis unit is arranged on transformer terminal, described controller respectively with gas-oil separation detecting device, optical analyser, gas-monitoring control box, signal processing unit, digital sample module, diagnosis unit connects, and described fiber grating gas sensor array is connected with optical analyser.
2. the Gases Dissolved in Transformer Oil on-line monitoring system based on fiber grating according to claim 1, is characterized in that: described fiber grating gas sensor array is made up of multiple fiber grating gas sensor.
3. the Gases Dissolved in Transformer Oil on-line monitoring system based on fiber grating according to claim 1, is characterized in that: described on-line monitoring system adopts industrial RS485 bus interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575888.6A CN105223132A (en) | 2015-09-11 | 2015-09-11 | Based on the Gases Dissolved in Transformer Oil on-line monitoring system of fiber grating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575888.6A CN105223132A (en) | 2015-09-11 | 2015-09-11 | Based on the Gases Dissolved in Transformer Oil on-line monitoring system of fiber grating |
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|---|---|
| CN105223132A true CN105223132A (en) | 2016-01-06 |
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|---|---|---|---|
| CN201510575888.6A Pending CN105223132A (en) | 2015-09-11 | 2015-09-11 | Based on the Gases Dissolved in Transformer Oil on-line monitoring system of fiber grating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918459A (en) * | 2018-09-28 | 2018-11-30 | 国网辽宁省电力有限公司电力科学研究院 | A kind of Gases Dissolved in Transformer Oil on-Line Monitor Device and method based on spectral technique |
| CN109782141A (en) * | 2019-02-02 | 2019-05-21 | 重庆大学 | Failure gas original position on-Line Monitor Device in a kind of transformer oil based on optical fiber FP resonant cavity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110015874A1 (en) * | 2009-07-16 | 2011-01-20 | Yong-Won Song | Apparatus and method for detecting components of mixed gas |
| CN102033041A (en) * | 2010-12-24 | 2011-04-27 | 华北电力大学 | Fiber bragg grating (FBG) sensor based transformer fault gas monitoring system |
| CN202141720U (en) * | 2011-07-01 | 2012-02-08 | 昆明益通美尔防雷工程有限公司 | Device for intelligently monitoring dissolved gas in transformer oil on line |
| CN102818962A (en) * | 2012-09-07 | 2012-12-12 | 江苏有能电力自动化有限公司 | Online monitoring system of all-fiber grating power transformer |
| CN103512860A (en) * | 2012-06-19 | 2014-01-15 | 中南大学 | Method for monitoring dissolved gas in transformer oil based on terahertz wave photonic crystal fibers |
-
2015
- 2015-09-11 CN CN201510575888.6A patent/CN105223132A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110015874A1 (en) * | 2009-07-16 | 2011-01-20 | Yong-Won Song | Apparatus and method for detecting components of mixed gas |
| CN102033041A (en) * | 2010-12-24 | 2011-04-27 | 华北电力大学 | Fiber bragg grating (FBG) sensor based transformer fault gas monitoring system |
| CN202141720U (en) * | 2011-07-01 | 2012-02-08 | 昆明益通美尔防雷工程有限公司 | Device for intelligently monitoring dissolved gas in transformer oil on line |
| CN103512860A (en) * | 2012-06-19 | 2014-01-15 | 中南大学 | Method for monitoring dissolved gas in transformer oil based on terahertz wave photonic crystal fibers |
| CN102818962A (en) * | 2012-09-07 | 2012-12-12 | 江苏有能电力自动化有限公司 | Online monitoring system of all-fiber grating power transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918459A (en) * | 2018-09-28 | 2018-11-30 | 国网辽宁省电力有限公司电力科学研究院 | A kind of Gases Dissolved in Transformer Oil on-Line Monitor Device and method based on spectral technique |
| CN109782141A (en) * | 2019-02-02 | 2019-05-21 | 重庆大学 | Failure gas original position on-Line Monitor Device in a kind of transformer oil based on optical fiber FP resonant cavity |
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Application publication date: 20160106 |
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