CN106124928A - Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method - Google Patents
Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method Download PDFInfo
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- CN106124928A CN106124928A CN201610453478.9A CN201610453478A CN106124928A CN 106124928 A CN106124928 A CN 106124928A CN 201610453478 A CN201610453478 A CN 201610453478A CN 106124928 A CN106124928 A CN 106124928A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
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- Testing Relating To Insulation (AREA)
Abstract
The present invention relates to extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method, for monitoring extra-high voltage mixed gas GIL situation of tolerable temperature in running, wherein said extra-high-voltage alternating current mixed gas GIL line segment forms loop.The present invention is by the collection that extra-high voltage mixed gas GIL line segment carries out during charged temperature signal, and the signal of collection transmitted to expert diagnostic system record and analyze, it is easy to staff and understands the state of extra-high voltage mixed gas GIL in time and analysis is likely to occur failure cause, be effectively improved the operational reliability of extra-high voltage mixed gas GIL.
Description
Technical field
The present invention relates to electric power transmission field, refer in particular to extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method.
Background technology
GIL(gas-insulated metal enclosed transmission line) it is gas-insulated metal-enclosed
The abbreviation of exchange mixed gas transmission line of electricity, is a kind of employing SF6Or the height that other insulating gas, shell are arranged with conductor coaxial
Voltage, big electric current, the power transmitting device of distance, have that transmission line capability is big, take up an area less, flexible arrangement, reliability are high, safeguard
Measure the remarkable advantage little, life-span length, environmental effect are little.It is several that current high pressure GIL technology is essentially ABB, Siemens, U.S. AZZ etc.
Individual American-European major company is grasped, and its up-to-date GIL product all achieves part standard, modularized design, can be curved with path elasticity
Song, uses N2/SF6 Etc. mixed gas to reach cost-effective and environmental protection effect, wherein U.S. AZZ company succeeds in developing
1200 kV extra-high voltage mixed gas GIL.And China's GIL product is still in space state, run such as Yellow River Laxiwa Hydroelectric Station
750kV GIL, the 550kV GIL of Xi Luo Du reservoir etc. all use external product.
In recent years, China progressively strengthens intelligent grid construction and big energy base construction are to GIL product and engineering demand
All increasing notable, especially extra-high voltage mixed gas GIL has been that extra-high voltage Huainan-Nanjing-Shanghai engineering is defeated across Yangtze River Tunnel
The important aspect of electricity, current China has now been developed extra-high-voltage alternating current GIL based on Mixed gas insulation, and in extra-high voltage
Linked network in engineering.But there is also many problems on current extra-high voltage mixed gas GIL engineer applied, be particularly easily subject to temperature
The impact of the factors such as degree, needs to monitor all kinds of temperature signal in real time in running, to ensure equipment operational reliability.
Summary of the invention
To this end, the technical problem to be solved is to overcome in prior art can not monitor all kinds of temperature letter in real time
Number problem thus provide a kind of can making an excessive case more excessive time monitor all kinds of temperature signal with ensure equipment reliability service extra-high voltage
Exchange mixed gas GIL line segment temperature monitoring method.
For solving above-mentioned technical problem, a kind of extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method of the present invention,
For monitoring extra-high voltage mixed gas GIL situation of tolerable temperature in running, wherein said extra-high-voltage alternating current gaseous mixture
Body GIL line segment forms loop, and its step is as follows: step S1: described extra-high-voltage alternating current mixed gas GIL line segment is applied specified electricity
Pressure and rated current form extra-high-voltage alternating current mixed gas GIL charged examination line segment；Step S2: utilize extra-high-voltage alternating current gaseous mixture
The structure of body GIL charged examination line segment, carries out the collection of temperature signal according to each air chamber；Step S3: to the temperature letter gathered
Number carry out data record and analysis, it is judged that the state of extra-high voltage mixed gas GIL and the failure cause being likely to occur.
In one embodiment of the invention, in described step S1, described extra-high-voltage alternating current mixed gas GIL line segment is entered
Row applies rated voltage and rated current for a long time.
In one embodiment of the invention, in described step S2, the described charged examination of extra-high-voltage alternating current mixed gas GIL
Line segment includes multiple different unit, and described air chamber is made up of one or more different unit.
In one embodiment of the invention, described extra-high-voltage alternating current mixed gas GIL charged examination line segment includes compensating
Unit, the straight line units being connected with described compensating unit, the rising unit being connected with described straight line units and described rising unit
The corner units being connected, the decline unit being connected with described corner units and the directed element being connected with described decline unit.
In one embodiment of the invention, carry out the collection of temperature signal according to each air chamber to refer to according to each air chamber
Temperature sensor is arranged on the outside of GIL shell to carry out the collection of temperature signal.
In one embodiment of the invention, in described step S3, the temperature signal that described temperature sensor is collected
Transmission, to expert diagnostic system, carries out the analysis of temperature data by described expert diagnostic system to extra-high voltage mixed gas GIL
With record ripple.
In one embodiment of the invention, the data after described expert diagnostic system analysis are delivered to computer end, logical
Cross the data after described computer display correlation analysis.
The technique scheme of the present invention has the advantage that compared to existing technology
Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method of the present invention, to extra-high voltage mixed gas GIL length along path
The applying rated voltage of time and rated current, carry out the collection of temperature signal, and the signal that will gather during charged
Transmission records to expert diagnostic system and analyzes, it is simple to staff understands the state of extra-high voltage mixed gas GIL in time
It is likely to occur failure cause with analysis.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to the specific embodiment of the present invention and combine
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the flow chart of extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method of the present invention；
Fig. 2 is the connection diagram of extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring of the present invention.
Detailed description of the invention
Refer to shown in Fig. 1, the present embodiment provides a kind of extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method,
For monitoring extra-high voltage mixed gas GIL situation of tolerable temperature in running, wherein said extra-high-voltage alternating current gaseous mixture
Body GIL line segment forms loop, and its step is as follows: step S1: described extra-high-voltage alternating current mixed gas GIL line segment is applied specified electricity
Pressure and rated current form extra-high-voltage alternating current mixed gas GIL charged examination line segment；Step S2: utilize extra-high-voltage alternating current gaseous mixture
The structure of body GIL charged examination line segment, carries out the collection of temperature signal according to each air chamber；Step S3: to the temperature letter gathered
Number carry out data record and analysis, it is judged that the state of extra-high voltage mixed gas GIL and the failure cause being likely to occur.
Above-mentioned is core technology field of the present invention, extra-high-voltage alternating current mixed gas GIL line segment temperature of the present invention
Degree monitoring method, for monitoring extra-high voltage mixed gas GIL situation of tolerable temperature in running, wherein said extra-high voltage
Exchange mixed gas GIL line segment forms loop, in described step S1, applies described extra-high-voltage alternating current mixed gas GIL line segment
Rated voltage and rated current form extra-high-voltage alternating current mixed gas GIL charged examination line segment, beneficially simulated field and run true
Truth condition；In described step S2, utilize the structure of extra-high-voltage alternating current mixed gas GIL charged examination line segment, according to each air chamber
Carry out the collection of temperature signal, be conducive to analysis and research to grasp the resistance to state of temperature of extra-high voltage mixed gas GIL；Described step S3
In, the temperature signal gathered is carried out data record and analysis, it is judged that the state of extra-high voltage mixed gas GIL and may going out
Existing failure cause, beneficially staff understand the state of extra-high voltage mixed gas GIL in time, are effectively improved extra-high voltage mixing
The operational reliability of gas GIL.
In conjunction with reference to shown in Fig. 2, run truth for simulated field, in described step S1, to described extra-high-voltage alternating current
Mixed gas GIL line segment 10 applies rated voltage and rated current for a long time.In described step S2, described extra-high voltage is handed over
Stream mixed gas GIL charged examination line segment 10 includes multiple different unit, and the plurality of different unit is by described extra-high voltage
Exchange mixed gas GIL line segment is divided according to length, generally comprises compensating unit, straight with what described compensating unit was connected
Line unit, the rising unit being connected with described straight line units, the corner units being connected with described rising unit and described corner list
What unit was connected declines unit and the directed element etc. being connected with described decline unit, and wherein said compensating unit is used for compensating
GIL causes relative displacement and a kind of cellular construction of using when variation of ambient temperature；Described straight line units refers to that GIL is at straight line
A kind of cellular construction used during installation；Described rising unit refers to that GIL is when uphill or applying installation in inclined shaft environment
A kind of cellular construction used；Described corner units refers to a kind of cellular construction that GIL uses when turning round and installing；Described decline
Unit refers to a kind of cellular construction that GIL uses when the application of lower hillside fields is installed；Described directed element is for two kinds of other differences
Isolation and connection between unit use, and are mainly used for the test of distance GIL scene and use.Described air chamber is by one or many
Individual unit is constituted, thus is conducive to carrying out described high-voltage alternating mixed gas GIL line segment the collection of temperature signal.Specifically,
The collection carrying out temperature signal according to each air chamber refers to temperature sensor 21 be arranged on outside GIL shell according to each air chamber
Side carries out the collection of temperature signal, thus realizes length whole to extra-high voltage mixed gas GIL and carry out the monitoring of various dimensions, has
It is beneficial to analysis and research and grasps the resistance to state of temperature of extra-high voltage mixed gas GIL.
In described step S3, the temperature signal described temperature sensor 21 collected transmits to expert diagnostic system 22,
The analysis of temperature data and record ripple when by described expert diagnostic system 22 extra-high voltage mixed gas GIL being carried out operating condition,
Wave recording carry out long-distance transmissions when going wrong, it is simple to personnel understand in time extra-high voltage mixed gas GIL state and
Analysis is likely to occur failure cause.Specifically, the data after described expert diagnostic system analysis are delivered to computer 23, by institute
State the data after computer end display correlation analysis, thus be conducive to the state allowing staff understand extra-high voltage mixed gas GIL
It is likely to occur failure cause with analysis, is effectively improved the operational reliability of extra-high voltage mixed gas GIL.
In the present embodiment, described temperature sensor uses fiber-optical grating temperature sensor, is conducive to collection accurately described
The temperature of extra-high-voltage alternating current mixed gas GIL charged examination line segment, it is achieved simulated field runs truth.Described high-voltage alternating
Mixed gas GIL line segment is test line segment, by the monitoring of test line segment, is more beneficial for detecting on-the-spot actual high-voltage alternating and mixes
Close the temperature conditions of gas GIL line segment.
To sum up, technical scheme of the present invention has the advantage that
Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method the most of the present invention, in described step S1, to described extra-high
Pressure exchange mixed gas GIL line segment applies rated voltage and rated current forms the charged examination of extra-high-voltage alternating current mixed gas GIL
Line segment, beneficially simulated field run truth；In described step S2, utilize that extra-high-voltage alternating current mixed gas GIL is charged to be examined
The structure of core line segment, carries out the collection of temperature signal according to each air chamber, is conducive to analysis and research to grasp extra-high voltage mixed gas
The resistance to state of temperature of GIL；In described step S3, the temperature signal gathered is carried out data record and analysis, it is judged that extra-high voltage is mixed
The state closing gas GIL and the failure cause being likely to occur, beneficially staff understands extra-high voltage mixed gas GIL in time
State, be effectively improved the operational reliability of extra-high voltage mixed gas GIL.
Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method the most of the present invention, described temperature sensor uses
Fiber-optical grating temperature sensor, is conducive to gathering accurately the temperature of described extra-high-voltage alternating current mixed gas GIL charged examination line segment
Degree, it is achieved simulated field runs truth.
Obviously, above-described embodiment is only for clearly demonstrating example, the not restriction to embodiment.For
For those of ordinary skill in the field, the change of other multi-form can also be made on the basis of the above description or become
Dynamic.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or change
Move among still in the protection domain of the invention.
Claims (7)
1. an extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method, is used for monitoring extra-high voltage mixed gas GIL in fortune
The situation of tolerable temperature during row, wherein said extra-high-voltage alternating current mixed gas GIL line segment forms loop, and its step is as follows:
Step S1: described extra-high-voltage alternating current mixed gas GIL line segment is applied rated voltage and rated current forms extra-high voltage and hands over
Stream mixed gas GIL charged examination line segment；
Step S2: utilize the structure of extra-high-voltage alternating current mixed gas GIL charged examination line segment, carry out temperature letter according to each air chamber
Number collection；
Step S3: to gather temperature signal carry out data record and analysis, it is judged that the state of extra-high voltage mixed gas GIL with
And the failure cause being likely to occur.
Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method the most according to claim 1, it is characterised in that: institute
State in step S1, described extra-high-voltage alternating current mixed gas GIL line segment is applied rated voltage and rated current for a long time.
Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method the most according to claim 1, it is characterised in that: institute
Stating in step S2, described extra-high-voltage alternating current mixed gas GIL charged examination line segment includes multiple different unit, described air chamber by
One or more different unit is constituted.
Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method the most according to claim 3, it is characterised in that: institute
State extra-high-voltage alternating current mixed gas GIL charged examination line segment include compensating unit, the straight line units being connected with described compensating unit,
Be connected with described straight line units rise unit, the corner units being connected with described rising unit, be connected with described corner units
Decline unit and the directed element that is connected with described decline unit.
5. according to the extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method described in claim 1 or 3, it is characterised in that:
Carry out the collection of temperature signal according to each air chamber and refer to temperature sensor be arranged on according to each air chamber the outside of GIL shell
Carry out the collection of temperature signal.
Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method the most according to claim 1, it is characterised in that: institute
Stating in step S3, the temperature signal described temperature sensor collected transmits to expert diagnostic system, is examined by described expert
Disconnected system carries out analysis and the record ripple of temperature data to extra-high voltage mixed gas GIL.
7., according to the extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method described in claim 1 or 6, its feature exists
In: the data after described expert diagnostic system analysis are delivered to computer end, by the number after described computer display correlation analysis
According to.
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| CN201610453478.9A CN106124928A (en) | 2016-06-21 | 2016-06-21 | Extra-high-voltage alternating current mixed gas GIL line segment temperature monitoring method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907794A (en) * | 2017-11-21 | 2018-04-13 | 中国电力科学研究院有限公司 | A kind of extra-high voltage GIL aerial mixed line fault section recognition methods and device |
| CN108038268A (en) * | 2017-11-18 | 2018-05-15 | 西安交通大学 | GIL running temperature appraisal procedures in a kind of corridor pipe |
| CN108052697A (en) * | 2017-11-18 | 2018-05-18 | 西安交通大学 | A kind of corridor pipe GIL three-dimensional temperature fields and breathing deformation calculation method based on workbench |
| CN111077391A (en) * | 2019-12-20 | 2020-04-28 | 中国能源建设集团江苏省电力设计院有限公司 | Real-time monitoring system for GIL (Gate in line) |
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| CN101718824A (en) * | 2009-12-07 | 2010-06-02 | 中国电力科学研究院 | Experiment device used for extra-high voltage alternating current-direct current gas insulated metal enclosed transmission line |
| CN204314424U (en) * | 2014-11-27 | 2015-05-06 | 中国南方电网有限责任公司超高压输电公司曲靖局 | A kind of GIL device interior fault auxiliary judgment device |
| CN104698354A (en) * | 2015-03-13 | 2015-06-10 | 西安交通大学 | GIL (globalization, internationalization and localization) breakdown discharge positioning detecting system |
| CN105242180A (en) * | 2015-08-31 | 2016-01-13 | 中国西电电气股份有限公司 | GIL/GIS discharge source detection and positioning apparatus and method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101718824A (en) * | 2009-12-07 | 2010-06-02 | 中国电力科学研究院 | Experiment device used for extra-high voltage alternating current-direct current gas insulated metal enclosed transmission line |
| CN204314424U (en) * | 2014-11-27 | 2015-05-06 | 中国南方电网有限责任公司超高压输电公司曲靖局 | A kind of GIL device interior fault auxiliary judgment device |
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| CN105242180A (en) * | 2015-08-31 | 2016-01-13 | 中国西电电气股份有限公司 | GIL/GIS discharge source detection and positioning apparatus and method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108038268A (en) * | 2017-11-18 | 2018-05-15 | 西安交通大学 | GIL running temperature appraisal procedures in a kind of corridor pipe |
| CN108052697A (en) * | 2017-11-18 | 2018-05-18 | 西安交通大学 | A kind of corridor pipe GIL three-dimensional temperature fields and breathing deformation calculation method based on workbench |
| CN108038268B (en) * | 2017-11-18 | 2020-06-02 | 西安交通大学 | Method for evaluating GIL (general in-lane) running temperature in corridor |
| CN107907794A (en) * | 2017-11-21 | 2018-04-13 | 中国电力科学研究院有限公司 | A kind of extra-high voltage GIL aerial mixed line fault section recognition methods and device |
| CN111077391A (en) * | 2019-12-20 | 2020-04-28 | 中国能源建设集团江苏省电力设计院有限公司 | Real-time monitoring system for GIL (Gate in line) |
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