CN106770700A - A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method and device - Google Patents
A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method and device Download PDFInfo
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- CN106770700A CN106770700A CN201610989727.6A CN201610989727A CN106770700A CN 106770700 A CN106770700 A CN 106770700A CN 201610989727 A CN201610989727 A CN 201610989727A CN 106770700 A CN106770700 A CN 106770700A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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Abstract
A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method provided in an embodiment of the present invention and device, solve current error judgment owned by France in the comparison of point-to-point error, single test point tolerance has certain error burst, no matter error is exactly negative, as long as being all evaluated as qualified situation in allowed band, caused Gas in Oil of Transformer monitors not accurate enough technical problem.On-Line Monitor Device of Gas in Oil of Transformer evaluation method of the invention includes：Get Gas in Oil of Transformer multi-group data；Multi-group data is generated into corresponding monitoring trend curve；Monitoring trend curve is contrasted with preset experiment room trend curve, parameter adjustment is carried out to on-Line Monitor Device according to comparing result so that monitoring trend curve is consistent with preset experiment room trend curve variation tendency.
Description
Technical field
The present invention relates to technical field of electric power, more particularly to a kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method
And device.
Background technology
Transformer oil is the irreplaceable important dielectric of current power industry, the extensive use in high voltage installation.
Transformer oil is mainly and is made up of hydrocarbons, when hot-spot or discharge fault occurs in inside transformer, can make transformer
Fry dried food ingredients life cracking produces hydrogen (H2), carbon monoxide (CO), carbon dioxide (CO2) and hydrocarbon gas (methane CH4, acetylene C2H2, second
Alkene C2H4, ethane C2H6Deng).By analyzing content of these materials in transformer oil, it is possible to anticipation inside transformer it is latent
Volt property failure.
With the continuous improvement of the fast-developing and living standards of the people of national economy, China's power industry is obtained in recent years
Great-leap-forward development, power equipment scale continues to increase, and the ratio of transformer oil electrical equipment also improves constantly.Offline oil product
The shortcomings of detection exposes big detection cycle long, complex operation, workload, testing result information delay.Simultaneously with intelligent electricity
The rise of net, on-line monitoring technique is developed rapidly.Ended for the end of the year 2015, Guangdong Power Grid transformer installs oil dissolved gas additional and exists
Line monitoring device amounts to 625, and mainly there are 7, nearly five in Guangdong Power Grid On-Line Monitor Device of Gas in Oil of Transformer manufacturer
Oil dissolved gas on-Line Monitor Device reports an error rate up to 78 times/year every year over year.Oil dissolved gas on-Line Monitor Device is alarmed with failure frequently
Hair, causes data monitoring inaccurate, accurate judgement of the staff to the running status of transformer is have impact on, to power grid security structure
Into huge potential threat.Hence it is imperative that the On-Line Monitor Device of Gas in Oil of Transformer to running carries out accuracy and comments
Valency and inspection.
Current On-Line Monitor Device of Gas in Oil of Transformer Test of accuracy mainly uses error judgment method, i.e., by configuring
The standard oil sample of various concentrations, detection definite value is carried out using laboratory precision gas-chromatography, and oil sample then is passed through into transformer oil
Middle On-Line Monitor Device of Gas is compared detection, by calculating between monitoring device measured value and laboratory precision chromatogram standard
Absolute and relative error, so as to evaluate the accuracy of monitoring device.
But error judgment is owned by France in the comparison of point-to-point error, single test point tolerance has certain error burst, nothing
It is exactly negative by error, as long as being all evaluated as qualified situation in allowed band, result in Gas in Oil of Transformer monitoring not
Enough accurate technical problems.
The content of the invention
A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method provided in an embodiment of the present invention and device, solve
Current error judgment is owned by France to be compared in point-to-point error, and single test point tolerance has certain error burst, and no matter error is
Exactly bear, as long as being all evaluated as qualified situation in allowed band, caused Gas in Oil of Transformer monitoring is not accurate enough
Technical problem.
A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method provided in an embodiment of the present invention, including：
Get Gas in Oil of Transformer multi-group data；
By the corresponding monitoring trend curve of multigroup data genaration；
The monitoring trend curve is contrasted with preset experiment room trend curve, according to comparing result to on-line monitoring
Device carries out parameter adjustment so that the monitoring trend curve is consistent with the preset experiment room trend curve variation tendency.
Alternatively, Gas in Oil of Transformer multi-group data is got to specifically include：
Get Gas in Oil of Transformer concentration multi-group data.
Alternatively, the monitoring trend curve is contrasted with preset experiment room trend curve, according to comparing result pair
On-Line Monitor Device carries out parameter adjustment so that the monitoring trend curve and the preset experiment room trend curve variation tendency
Unanimously specifically include：
The preset experiment room trend curve that the monitoring trend curve is tested with laboratory precision chromatograph is carried out
Contrast；
Parameter adjustment is carried out to on-Line Monitor Device according to comparing result so that the monitoring trend curve is preset with described
Laboratory trend curve variation tendency is consistent.
Alternatively, it is the monitoring trend curve is bent with the preset experiment room trend of laboratory precision chromatograph test
Line carries out contrast and specifically includes：
The preset experiment room trend curve that the monitoring trend curve is tested with laboratory precision chromatograph is carried out
Visualization contrast.
Alternatively, the Gas in Oil of Transformer includes：
Hydrogen, acetylene, methane, ethene, ethane, carbon monoxide, carbon dioxide, total hydrocarbon.
A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluating apparatus provided in an embodiment of the present invention, including：
Acquiring unit, for getting Gas in Oil of Transformer multi-group data；
Generation unit, for by the corresponding monitoring trend curve of multigroup data genaration；
Trend comparison unit, for the monitoring trend curve to be contrasted with preset experiment room trend curve, according to
Comparing result carries out parameter adjustment to on-Line Monitor Device so that the monitoring trend curve is bent with preset experiment room trend
Line variation tendency is consistent.
Alternatively, acquiring unit, specifically for getting Gas in Oil of Transformer concentration multi-group data.
Alternatively, trend comparison unit is specifically included：
Contrast subunit, for the preset experiment that the monitoring trend curve is tested with laboratory precision chromatograph
Room trend curve is contrasted；
Adjustment subelement, for carrying out parameter adjustment to on-Line Monitor Device according to comparing result so that the monitoring becomes
Power curve is consistent with the preset experiment room trend curve variation tendency.
Alternatively, contrast subunit, specifically for test the monitoring trend curve and laboratory precision chromatograph
Preset experiment room trend curve carries out visualization contrast.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method provided in an embodiment of the present invention and device, wherein,
On-Line Monitor Device of Gas in Oil of Transformer evaluation method, including：Get Gas in Oil of Transformer multi-group data；By multigroup number
According to the corresponding monitoring trend curve of generation；Monitoring trend curve is contrasted with preset experiment room trend curve, according to contrast
Result carries out parameter adjustment to on-Line Monitor Device so that monitoring trend curve and preset experiment room trend curve variation tendency one
Cause.In the present embodiment, by getting Gas in Oil of Transformer multi-group data；Multi-group data is generated into corresponding monitoring trend bent
Line；Monitoring trend curve is contrasted with preset experiment room trend curve, on-Line Monitor Device is carried out according to comparing result
Parameter adjustment so that monitoring trend curve is consistent with preset experiment room trend curve variation tendency, solves current error judgment
Owned by France to be compared in point-to-point error, single test point tolerance has certain error burst, and no matter error is exactly negative, as long as
Qualified situation is all evaluated as in allowed band, caused Gas in Oil of Transformer monitors not accurate enough technical problem.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is a kind of one implementation of On-Line Monitor Device of Gas in Oil of Transformer evaluation method provided in an embodiment of the present invention
The schematic flow sheet of example；
Fig. 2 is a kind of one implementation of On-Line Monitor Device of Gas in Oil of Transformer evaluating apparatus provided in an embodiment of the present invention
The structural representation of example；
Fig. 3 is on-line monitoring and laboratory precision chromatograph test value tendency chart.
Specific embodiment
A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method provided in an embodiment of the present invention and device, solve
Current error judgment is owned by France to be compared in point-to-point error, and single test point tolerance has certain error burst, and no matter error is
Exactly bear, as long as being all evaluated as qualified situation in allowed band, caused Gas in Oil of Transformer monitoring is not accurate enough
Technical problem.
To enable that goal of the invention of the invention, feature, advantage are more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described, it is clear that disclosed below to the technical scheme in the embodiment of the present invention
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Refer to Fig. 1, a kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method one provided in an embodiment of the present invention
Individual embodiment includes：
101st, Gas in Oil of Transformer multi-group data is got；
When needing to evaluate On-Line Monitor Device of Gas in Oil of Transformer, it is necessary to get Gas in Oil of Transformer multigroup
Data.
The gas of Gas in Oil of Transformer multi-group data is got for gas concentration, wherein gas includes：Hydrogen, acetylene,
Methane, ethene, ethane, carbon monoxide, carbon dioxide, total hydrocarbon etc., do not limit specifically herein.
102nd, multi-group data is generated into corresponding monitoring trend curve；
Get after Gas in Oil of Transformer multi-group data, it is necessary to that multi-group data is generated into corresponding monitoring trend is bent
Line.
103rd, monitoring trend curve and preset experiment room trend curve are contrasted, according to comparing result to on-line monitoring
Device carries out parameter adjustment so that monitoring trend curve is consistent with preset experiment room trend curve variation tendency.
By multi-group data generate it is corresponding monitoring trend curve after, it is necessary to by monitoring trend curve become with preset experiment room
Power curve is contrasted, and parameter adjustment is carried out to on-Line Monitor Device according to comparing result so that monitoring trend curve with it is preset
Laboratory trend curve variation tendency is consistent.
Further, will monitor trend curve is carried out with the preset experiment room trend curve of laboratory precision chromatograph test
Contrast, parameter adjustment is carried out according to comparing result to on-Line Monitor Device so that monitoring trend curve and preset experiment room trend
Plots changes are consistent.
It is described with a concrete application scene below, application examples includes：
Certain measurement result such as table 1.
Table 1 certain on-Line Monitor Device test data
From table 1, it may be seen that error amount all more than 30% and is positive error, evaluation result is the measurement device
Error is unqualified.
But we are from figure 3, it can be seen that two plots changes are basically identical, illustrate laboratory precision chromatogram with it is online
There is systematic error in monitoring device, can be to reduce even to eliminate this error by the amendment to device parameter, so commenting
Valency result is that the measurement device result is consistent with laboratory result variation tendency, qualified.Adjusted by device producer technical staff
Parameter is measured again, and the device relative error also meets current standard requirement.
Illustrate curvilinear trend determining method of the invention than existing error judgment method more accurate and effective.
Error judgment method only focuses on the absolute value of error no more than limit value, without considering device in whole measurement range
Long-term change trend, it is of the invention then focus on Long-term change trend of the device in whole measurement range, can more comprehensively exactly to on-line monitoring
Device is evaluated.
Fig. 2 is referred to, a kind of On-Line Monitor Device of Gas in Oil of Transformer evaluating apparatus provided in the embodiment of the present invention
One embodiment include：
Acquiring unit 201, for getting Gas in Oil of Transformer multi-group data, acquiring unit 201, specifically for obtaining
To Gas in Oil of Transformer concentration multi-group data；
Generation unit 202, for multi-group data to be generated into corresponding monitoring trend curve；
Trend comparison unit 203, for monitoring trend curve to be contrasted with preset experiment room trend curve, according to right
Parameter adjustment is carried out to on-Line Monitor Device than result so that monitoring trend curve and preset experiment room trend curve variation tendency
Unanimously.
Trend comparison unit 203 is specifically included：
Contrast subunit 2031, becomes for will monitor the preset experiment room that trend curve is tested with laboratory precision chromatograph
Power curve is contrasted, contrast subunit 2031, specifically for will monitor trend curve with laboratory precision chromatograph test
Preset experiment room trend curve carries out visualization contrast.；
Adjustment subelement 2032, for carrying out parameter adjustment to on-Line Monitor Device according to comparing result so that monitoring becomes
Power curve is consistent with preset experiment room trend curve variation tendency.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the division of unit,
It is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be with
With reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed
Coupling each other or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING of device or unit or
Communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, be shown as unit
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple networks
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If integrated unit, can to realize in the form of SFU software functional unit and as independent production marketing or when using
To store in a computer read/write memory medium.Based on such understanding, technical scheme substantially or
Saying all or part of the part or technical scheme contributed to prior art can be embodied in the form of software product
Out, computer software product storage is in a storage medium, including some instructions are used to so that a computer equipment
(can be personal computer, server, or network equipment etc.) performs all or part of each embodiment method of the invention
Step.And foregoing storage medium includes：It is USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random
Access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to preceding
Embodiment is stated to be described in detail the present invention, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And these
Modification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (9)
1. a kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method, it is characterised in that including：
Get Gas in Oil of Transformer multi-group data；
By the corresponding monitoring trend curve of multigroup data genaration；
The monitoring trend curve is contrasted with preset experiment room trend curve, according to comparing result to on-Line Monitor Device
Carry out parameter adjustment so that the monitoring trend curve is consistent with the preset experiment room trend curve variation tendency.
2. On-Line Monitor Device of Gas in Oil of Transformer evaluation method according to claim 1, it is characterised in that get
Gas in Oil of Transformer multi-group data is specifically included：
Get Gas in Oil of Transformer concentration multi-group data.
3. On-Line Monitor Device of Gas in Oil of Transformer evaluation method according to claim 1, it is characterised in that will be described
Monitoring trend curve is contrasted with preset experiment room trend curve, is entered line parameter to on-Line Monitor Device according to comparing result and is adjusted
It is whole so that trend curve is consistent with the preset experiment room trend curve variation tendency specifically includes for the monitoring：
The preset experiment room trend curve that the monitoring trend curve is tested with laboratory precision chromatograph is contrasted；
Parameter adjustment is carried out to on-Line Monitor Device according to comparing result so that the monitoring trend curve and the preset experiment
Room trend curve variation tendency is consistent.
4. On-Line Monitor Device of Gas in Oil of Transformer evaluation method according to claim 1, it is characterised in that will be described
The preset experiment room trend curve that monitoring trend curve is tested with laboratory precision chromatograph carries out contrast and specifically includes：
The monitoring trend curve is carried out visually with the preset experiment room trend curve of laboratory precision chromatograph test
Change contrast.
5. On-Line Monitor Device of Gas in Oil of Transformer evaluation method according to claim 1, it is characterised in that the change
Depressor oil dissolved gas include：
Hydrogen, acetylene, methane, ethene, ethane, carbon monoxide, carbon dioxide, total hydrocarbon.
6. a kind of On-Line Monitor Device of Gas in Oil of Transformer evaluating apparatus, it is characterised in that including：
Acquiring unit, for getting Gas in Oil of Transformer multi-group data；
Generation unit, for by the corresponding monitoring trend curve of multigroup data genaration；
Trend comparison unit, for the monitoring trend curve to be contrasted with preset experiment room trend curve, according to contrast
Result carries out parameter adjustment to on-Line Monitor Device so that the monitoring trend curve becomes with preset experiment room trend curve
Change trend is consistent.
7. On-Line Monitor Device of Gas in Oil of Transformer evaluating apparatus according to claim 5, it is characterised in that obtain single
Unit, specifically for getting Gas in Oil of Transformer concentration multi-group data.
8. On-Line Monitor Device of Gas in Oil of Transformer evaluating apparatus according to claim 6, it is characterised in that trend pair
Specifically included than unit：
Contrast subunit, for the preset experiment room that the monitoring trend curve is tested with laboratory precision chromatograph to be become
Power curve is contrasted；
Adjustment subelement, for carrying out parameter adjustment to on-Line Monitor Device according to comparing result so that the monitoring trend is bent
Line is consistent with the preset experiment room trend curve variation tendency.
9. On-Line Monitor Device of Gas in Oil of Transformer evaluating apparatus according to claim 6, it is characterised in that contrast
Unit, specifically for the preset experiment room trend curve that the monitoring trend curve is tested with laboratory precision chromatograph
Carry out visualization contrast.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610989727.6A CN106770700A (en) | 2016-11-10 | 2016-11-10 | A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610989727.6A CN106770700A (en) | 2016-11-10 | 2016-11-10 | A kind of On-Line Monitor Device of Gas in Oil of Transformer evaluation method and device |
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| CN106770700A true CN106770700A (en) | 2017-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909266A (en) * | 2017-11-14 | 2018-04-13 | 广东电网有限责任公司电力科学研究院 | The running quality evaluation method and device of a kind of on-Line Monitor Device |
| CN109001339A (en) * | 2018-09-26 | 2018-12-14 | 云南电网有限责任公司电力科学研究院 | The segmentation verification of transformer oil on-line chromatograph monitor device and Fault Locating Method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928519A (en) * | 2012-10-23 | 2013-02-13 | 上海市电力公司 | Accuracy testing method for oil chromatogram online monitoring device |
| CN103018355A (en) * | 2012-11-28 | 2013-04-03 | 国网电力科学研究院武汉南瑞有限责任公司 | Method and device for monitoring gas in transformer oil on line |
-
2016
- 2016-11-10 CN CN201610989727.6A patent/CN106770700A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928519A (en) * | 2012-10-23 | 2013-02-13 | 上海市电力公司 | Accuracy testing method for oil chromatogram online monitoring device |
| CN103018355A (en) * | 2012-11-28 | 2013-04-03 | 国网电力科学研究院武汉南瑞有限责任公司 | Method and device for monitoring gas in transformer oil on line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909266A (en) * | 2017-11-14 | 2018-04-13 | 广东电网有限责任公司电力科学研究院 | The running quality evaluation method and device of a kind of on-Line Monitor Device |
| CN109001339A (en) * | 2018-09-26 | 2018-12-14 | 云南电网有限责任公司电力科学研究院 | The segmentation verification of transformer oil on-line chromatograph monitor device and Fault Locating Method |
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Application publication date: 20170531 |