CN107332146A - A kind of new offshore wind farm installation ship GIS module installation methods - Google Patents
A kind of new offshore wind farm installation ship GIS module installation methods Download PDFInfo
- Publication number
- CN107332146A CN107332146A CN201710750946.3A CN201710750946A CN107332146A CN 107332146 A CN107332146 A CN 107332146A CN 201710750946 A CN201710750946 A CN 201710750946A CN 107332146 A CN107332146 A CN 107332146A
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- Prior art keywords
- gis
- flange
- installation
- arrester
- connection
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of new offshore wind farm installation ship GIS module installation methods, it is characterised in that：First field moduleization between each linkage section is assembled, then modules are finally installed into connection in place, it is ensured that higher installation accuracy and the time cycle of installation；The advantage of the invention is that：GIS combination electric appliance is substantially made up of units such as breaker, disconnecting switch, earthed switch, voltage transformer, arrester, bus, connectors, and these units are enclosed in the metal can of ground connection.SF6 gases filled with certain pressure inside gas, SF6 has excellent arc extinguishing and insulating capacity.Because GIS construction is closing and combined, therefore it is small to account for floor space, takes up space few, is not affected by the external environment substantially, does not produce noise and radio interference, safe and reliable to operation, and maintenance workload is few.
Description
Technical field
The present invention relates to a kind of installation method, and in particular to a kind of new offshore wind farm installation ship GIS module installation methods.
Background technology
With constantly development and the innovation of China's power industry science and technology, sulfur hexafluoride sealed combination electrical equipment is wide
General applies in the installing engineering of each voltage class transformer station.Sulfur hexafluoride closed composition is switched（Gas lnsulated
Switchgear）Abbreviation GIS, is the complete closed high-voltage electrical equipment of a new generation that grows up the sixties, and it is by a power transformation
The primary equipment stood in addition to transformer, including breaker, disconnecting switch, earthed switch, voltage transformer, Current Mutual Inductance
Device, arrester, bus, cable termination, entrance bushing etc., a total system are organically combined into by optimization design, and fill
Enter the sulfur hexafluoride gas of certain pressure as insulation and arc-extinguishing medium.Have compared with legacy equipment miniaturization, reliability it is high,
Security is good, prevent ectocine, installation period is short, easy to maintenance, the features such as repair time is long.Ensureing safely and effectively to apply
Under the premise of work, for the actual conditions of site operation, and in order to preferably summarize the experiences and lessons in production process, hanging
The programme-control that system is applied in examination in terms of standby, instrument, material, safety, staff training is trued up, the technology water of power industry is improved
It is flat, strengthen technological reserve, while being also that numerous workmens and produced on-site personnel provide technological guidance, according to " Datang shore
Worked out on the basis of extra large booster stations ", " Long Yuan great Feng booster stations ", " Zhoushan state electric boost station " large scale equipment GIS installation experiences
This typical case innovation is installed.
Offshore boosting station is using the arrangement mode of upper chunk and substructure, and substructure is jacket pattern, top
For 3 layers of chunk structure, complete construction and after installation and debugging, whole Transporting to sea completes installment work.Wherein GIS is arranged on
Second layer side.It is also one of most important equipment of whole power efficient operation.
It is one of its key position as a kind of novel wind power ship GIS modularization innovation installation methods, GIS is in installation process
In there is also many making difficult points：
（1）Need high pressure resistant in the selection of each bolt, torsion grade, strength grade are consistent.
（2）Ensure humidity of the precision instrument in external field environment, it is dustless, etc. constant temperature requirement.
（3）Sleeve pipe is installed and wants precise alignment, and packing ring, bus want no marking etc..
（4）Operation flexibility ratio when outfield is constructed, the part that personnel can not stand needs the factors of safety such as supporting support.
Therefore, it is badly in need of a kind of good construction environment of research and development, convenient operation, making precision is high, can improve construction and installation quality
Novel wind power ship GIS module installation methods with operating efficiency are imperative.Through examining relevant document, do not find and phase of the present invention
Same or similar technical scheme.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide that a kind of construction environment is good, facilitate installation,
Module closes up splicing precision height, can improve the new offshore wind farm installation ship GIS modules installation of installation quality and operating efficiency
Method.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of new offshore wind farm installation ship GIS moulds
Block installation method, its innovative point is：First field moduleization between each linkage section is assembled, then modules are finally installed
Connection is in place, it is ensured that higher installation accuracy and the time cycle of installation；Comprise the following steps that：
（1）Line：Pull the element being placed on ground of main bus-bar, branch bar, breaker on the ground by foundation drawing requirement
With the center line of switch board；
（2）Basis is checked：Foundation level measurement measurement each on the basis of four angular positions point ground level, with insert
Enter shim method adjustment level；
（3）Equipment is temporarily in place：By GIS device it is interim on the basis of it is in place, at a distance of about between first unit and next unit
1200mm, remaining element is at a distance of about 1000mm；
（4）Main bus-bar is connected：All surface covers of main bus-bar and packaging protecting cover plate, cleaning flange, tank are opened according to erection sequence
Internal side, conducting rod and disk insulator surface, then from the excessive bolt for supporting to remove bus conductive rod on conductor, two conductors pair
Connect up to touching shielding head, three-phase conductor is inserted respectively in order, "O"-ring is temporarily placed in the flange of bus shell
On, extend there through conducting rod, mobile bus spacer units make it be drawn close to another interval bus unit, when outside connection bus
During shell, alignment pin is being inserted in flange hole at two, when installing bus, if can not coordinate very well between flange, ripple can be unclamped
Bolt on pipe flange, adjusts Bellows Length, and Bellows Length can be adjusted in the range of 500 ± 10mm；
（5）Branch bar is connected：The branch bar packaging cover plate for needing to connect is removed, branch bar flange face is cleaned, applies close
Sealing simultaneously loads onto "O"-ring, and CT conductors are installed on branch bar disk insulator center conductor, with the upward water of crane gear
It is flat to sling branch bar, breaker is then moved into, Mume flower contact is inserted conductors into, by branch bar shell and CT cage connections simultaneously
Fastened with bolt and nut, support is installed below in branch bar shell；
（6）Sleeve pipe connection：Sleeve pipe is sling with chain block, and sleeve pipe is hung to a proper angle, is allowed to that there is phase with GIS shells
The correct position answered, applies fluid sealant, lays sealing ring, is connected with flange, confirms that conductor has been plugged with conducting rod；
（7）Voltage transformer is connected：Due to PT the units internal SF6 gases filled with 0.2-0.3Mpa, 20 DEG C, connection in transit
When it should not be made to be violently shaken, remove the cover sheet of PT cover sheets and GIS connecting portions, cleaning PT connection is led
Body, flange and disk insulator, "O"-ring, clear up GIS bodies adpting flange, conductor etc. and enclosure interior；PT is hung to connection
More than position, "O"-ring is installed, PT is slowly landed to be connected with GIS bodies, fastening bolt；
（8）The connection of arrester：Typically a unit is constituted when arrester dispatches from the factory with voltage transformer to dispatch from the factory, scene is not required to individually
Install, when special circumstances need to install, carried out with reference to the following steps, take down support, protection of arrester cover plate and GIS connecting portions
The cover sheet of position, clears up connection guide, flange and disk insulator, the "O"-ring of arrester, clears up GIS body connection methods
Blue and conductor, enclosure interior；In installation process, each unit, which has been accomplished to install, to be cleaned；Ensure in metal can clear
It is clean, free from admixture, no marking mark；Ensure that sealing gasket is plundered, position is correct, when vessel flange mouthful applies stop-leak compound, accomplish to note its stream
Enter causes to contact with SF6 gases in sealing gasket, corrodes sealing gasket.It is clear usually using dust catcher, high-purity alcohol, industrial clean-keeping paper
Manage tank inner wire, insulating part and flange sealing surface.Arrester is sling, arrester connection member is moved horizontally close to GIS sheets
Body connecting portion, places "O"-ring, arrester is slowly inserted with GIS connecting portions, after connection is finished, tightening bolt
And nut, supporter is placed in below arrester, and clog with pad its gap；After GIS is installed, it is necessary to pass through narrow examination
With experiment, confirm that installation is correct, can just can put into operation rearward, after GIS installations terminate, SF6 air leakages rate and water content should
Meet norm standard and producer's technical requirements.
Further, the step（4）Bus is connected, and the insertion of main bus-bar three-phase, docking, ripple are opened according to erection sequence
Between control 500 ± 10mm adjustment.
Further, the step（8）Arrester unit is connected, single module is formed, carried out clear between modules
It is clean, after the cleaning for carrying out correlation, modules are connected, modules are connected by the arrangement of optimization, completion, which is delivered, adjusts
The examination stage.
Beneficial effects of the present invention are as follows：
（1）GIS combination electric appliance is substantially by breaker, disconnecting switch, earthed switch, voltage transformer, arrester, bus, company
The units such as fitting are constituted, and these units are enclosed in the metal can of ground connection.SF6 gas filled with certain pressure inside gas
Body, SF6 has excellent arc extinguishing and insulating capacity.Because GIS construction is closing and combined, therefore it is small to account for floor space, takes up space
It is few, it is not affected by the external environment substantially, does not produce noise and radio interference, it is safe and reliable to operation, and maintenance workload is few.
（2）The present invention reduces the floor space and spatial volume of a whole set of power distribution equipment to greatest extent, and structure is extremely compact,
Totally enclosed electrical structure, is not influenceed by the various severe natural conditions such as rain thunder, sand and dust and salt fog, reduces equipment breakdown
Possibility.But the environment and required precision during to installing are very high, need reasonable effective operation of in-site installation personnel.
（3）The present invention is the reference center and each intersegmental erection sequence of GIS installation by the traditional power plant construction of change,
The installation accuracy for substantially increasing site operation is installed by modularization and the installation and debugging cycle is saved.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
A kind of new offshore wind farm installation ship GIS module installation methods, first by field module group between each linkage section
Dress, then modules are finally installed into connection in place, it is ensured that higher installation accuracy and the time cycle of installation；Specific step
It is rapid as follows：
（1）Line：Pull the element being placed on ground of main bus-bar, branch bar, breaker on the ground by foundation drawing requirement
With the center line of switch board；
（2）Basis is checked：Foundation level measurement measurement each on the basis of four angular positions point ground level, with insert
Enter shim method adjustment level；
（3）Equipment is temporarily in place：By GIS device it is interim on the basis of it is in place, at a distance of about between first unit and next unit
1200mm, remaining element is at a distance of about 1000mm；
（4）Main bus-bar is connected：All surface covers of main bus-bar and packaging protecting cover plate, cleaning flange, tank are opened according to erection sequence
Internal side, conducting rod and disk insulator surface, then from the excessive bolt for supporting to remove bus conductive rod on conductor, two conductors pair
Connect up to touching shielding head, three-phase conductor is inserted respectively in order, "O"-ring is temporarily placed in the flange of bus shell
On, extend there through conducting rod, mobile bus spacer units make it be drawn close to another interval bus unit, when outside connection bus
During shell, alignment pin is being inserted in flange hole at two, when installing bus, if can not coordinate very well between flange, ripple can be unclamped
Bolt on pipe flange, adjusts Bellows Length, and Bellows Length can be adjusted in the range of 500 ± 10mm；
（5）Branch bar is connected：The branch bar packaging cover plate for needing to connect is removed, branch bar flange face is cleaned, applies close
Sealing simultaneously loads onto "O"-ring, and CT conductors are installed on branch bar disk insulator center conductor, with the upward water of crane gear
It is flat to sling branch bar, breaker is then moved into, Mume flower contact is inserted conductors into, by branch bar shell and CT cage connections simultaneously
Fastened with bolt and nut, support is installed below in branch bar shell；
（6）Sleeve pipe connection：Sleeve pipe is sling with chain block, and sleeve pipe is hung to a proper angle, is allowed to that there is phase with GIS shells
The correct position answered, applies fluid sealant, lays sealing ring, is connected with flange, confirms that conductor has been plugged with conducting rod；
（7）Voltage transformer is connected：Due to PT the units internal SF6 gases filled with 0.2-0.3Mpa, 20 DEG C, connection in transit
When it should not be made to be violently shaken, remove the cover sheet of PT cover sheets and GIS connecting portions, cleaning PT connection is led
Body, flange and disk insulator, "O"-ring, clear up GIS bodies adpting flange, conductor etc. and enclosure interior；PT is hung to connection
More than position, "O"-ring is installed, PT is slowly landed to be connected with GIS bodies, fastening bolt；
（8）The connection of arrester：Typically a unit is constituted when arrester dispatches from the factory with voltage transformer to dispatch from the factory, scene is not required to individually
Install, when special circumstances need to install, carried out with reference to the following steps, take down support, protection of arrester cover plate and GIS connecting portions
The cover sheet of position, clears up connection guide, flange and disk insulator, the "O"-ring of arrester, clears up GIS body connection methods
Blue and conductor, enclosure interior；In installation process, each unit, which has been accomplished to install, to be cleaned；Ensure in metal can clear
It is clean, free from admixture, no marking mark；Ensure that sealing gasket is plundered, position is correct, when vessel flange mouthful applies stop-leak compound, accomplish to note its stream
Enter causes to contact with SF6 gases in sealing gasket, corrodes sealing gasket.It is clear usually using dust catcher, high-purity alcohol, industrial clean-keeping paper
Manage tank inner wire, insulating part and flange sealing surface.Arrester is sling, arrester connection member is moved horizontally close to GIS sheets
Body connecting portion, places "O"-ring, arrester is slowly inserted with GIS connecting portions, after connection is finished, tightening bolt
And nut, supporter is placed in below arrester, and clog with pad its gap；After GIS is installed, it is necessary to pass through narrow examination
With experiment, confirm that installation is correct, can just can put into operation rearward, after GIS installations terminate, SF6 air leakages rate and water content should
Meet norm standard and producer's technical requirements.
Feasible, step（4）Bus is connected, and is opened and is controlled between the insertion of main bus-bar three-phase, docking, ripple according to erection sequence
500 ± 10mm is adjusted.
Feasible, step（8）Arrester unit is connected, single module is formed, carries out the cleaning between modules, carry out
After related cleaning, modules are connected, modules are connected by the arrangement of optimization, the debugging stage is delivered in completion.
GIS combination electric appliance is substantially by breaker, disconnecting switch, earthed switch, voltage transformer, arrester, bus, company
The units such as fitting are constituted, and these units are enclosed in the metal can of ground connection.SF6 gas filled with certain pressure inside gas
Body, SF6 has excellent arc extinguishing and insulating capacity.Because GIS construction is closing and combined, therefore it is small to account for floor space, takes up space
It is few, it is not affected by the external environment substantially, does not produce noise and radio interference, it is safe and reliable to operation, and maintenance workload is few.
The present invention reduces the floor space and spatial volume of a whole set of power distribution equipment to greatest extent, and structure is extremely compact, entirely
The electrical structure of closing, is not influenceed by the various severe natural conditions such as rain thunder, sand and dust and salt fog, and reduce equipment breakdown can
Can property.But the environment and required precision during to installing are very high, need reasonable effective operation of in-site installation personnel.
The present invention is led to by changing the reference center and each intersegmental erection sequence that traditional power plant construction is GIS installation
Modularization is crossed the installation accuracy for substantially increasing site operation is installed and the installation and debugging cycle is saved.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
The technical scheme that can be realized without creative work on the basis of above-described embodiment, is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (3)
1. a kind of new offshore wind farm installation ship GIS module installation methods, it is characterised in that：First will be live between each linkage section
Modularization assembling, then modules are finally installed into connection in place, it is ensured that higher installation accuracy and week time of installation
Phase；Comprise the following steps that：
（1）Line：Pull the element being placed on ground of main bus-bar, branch bar, breaker on the ground by foundation drawing requirement
With the center line of switch board；
（2）Basis is checked：Foundation level measurement measurement each on the basis of four angular positions point ground level, with insert
Enter shim method adjustment level；
（3）Equipment is temporarily in place：By GIS device it is interim on the basis of it is in place, at a distance of about between first unit and next unit
1200mm, remaining element is at a distance of about 1000mm；
（4）Main bus-bar is connected：All surface covers of main bus-bar and packaging protecting cover plate, cleaning flange, tank are opened according to erection sequence
Internal side, conducting rod and disk insulator surface, then from the excessive bolt for supporting to remove bus conductive rod on conductor, two conductors pair
Connect up to touching shielding head, three-phase conductor is inserted respectively in order, "O"-ring is temporarily placed in the flange of bus shell
On, extend there through conducting rod, mobile bus spacer units make it be drawn close to another interval bus unit, when outside connection bus
During shell, alignment pin is being inserted in flange hole at two, when installing bus, if can not coordinate very well between flange, ripple can be unclamped
Bolt on pipe flange, adjusts Bellows Length, and Bellows Length can be adjusted in the range of 500 ± 10mm；
（5）Branch bar is connected：The branch bar packaging cover plate for needing to connect is removed, branch bar flange face is cleaned, applies close
Sealing simultaneously loads onto "O"-ring, and CT conductors are installed on branch bar disk insulator center conductor, with the upward water of crane gear
It is flat to sling branch bar, breaker is then moved into, Mume flower contact is inserted conductors into, by branch bar shell and CT cage connections simultaneously
Fastened with bolt and nut, support is installed below in branch bar shell；
（6）Sleeve pipe connection：Sleeve pipe is sling with chain block, and sleeve pipe is hung to a proper angle, is allowed to that there is phase with GIS shells
The correct position answered, applies fluid sealant, lays sealing ring, is connected with flange, confirms that conductor has been plugged with conducting rod；
（7）Voltage transformer is connected：Due to PT the units internal SF6 gases filled with 0.2-0.3Mpa, 20 DEG C, connection in transit
When it should not be made to be violently shaken, remove the cover sheet of PT cover sheets and GIS connecting portions, cleaning PT connection is led
Body, flange and disk insulator, "O"-ring, clear up GIS bodies adpting flange, conductor etc. and enclosure interior；PT is hung to connection
More than position, "O"-ring is installed, PT is slowly landed to be connected with GIS bodies, fastening bolt；
（8）The connection of arrester：Typically a unit is constituted when arrester dispatches from the factory with voltage transformer to dispatch from the factory, scene is not required to individually
Install, when special circumstances need to install, carried out with reference to the following steps, take down support, protection of arrester cover plate and GIS connecting portions
The cover sheet of position, clears up connection guide, flange and disk insulator, the "O"-ring of arrester, clears up GIS body connection methods
Blue and conductor, enclosure interior；In installation process, each unit, which has been accomplished to install, to be cleaned；Ensure in metal can clear
It is clean, free from admixture, no marking mark；Ensure that sealing gasket is plundered, position is correct, when vessel flange mouthful applies stop-leak compound, accomplish to note its stream
Enter causes to contact with SF6 gases in sealing gasket, corrodes sealing gasket, clear usually using dust catcher, high-purity alcohol, industrial clean-keeping paper
Tank inner wire, insulating part and flange sealing surface are managed, arrester is sling, arrester connection member is moved horizontally close to GIS sheets
Body connecting portion, places "O"-ring, arrester is slowly inserted with GIS connecting portions, after connection is finished, tightening bolt
And nut, supporter is placed in below arrester, and clog with pad its gap；After GIS is installed, it is necessary to pass through narrow examination
With experiment, confirm that installation is correct, can just can put into operation rearward, after GIS installations terminate, SF6 air leakages rate and water content should
Meet norm standard and producer's technical requirements.
2. a kind of new offshore wind farm installation ship GIS module installation methods according to claim 1, it is characterised in that：Institute
State step（4）Bus is connected, and is opened 500 ± 10mm of control between the insertion of main bus-bar three-phase, docking, ripple according to erection sequence and is adjusted
It is whole.
3. a kind of new offshore wind farm installation ship GIS module installation methods according to claim 1, it is characterised in that：Institute
State step（8）Arrester unit is connected, single module is formed, carries out the cleaning between modules, the cleaner of correlation is carried out
After work, modules are connected, modules are connected by the arrangement of optimization, the debugging stage is delivered in completion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710750946.3A CN107332146A (en) | 2017-08-28 | 2017-08-28 | A kind of new offshore wind farm installation ship GIS module installation methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710750946.3A CN107332146A (en) | 2017-08-28 | 2017-08-28 | A kind of new offshore wind farm installation ship GIS module installation methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107332146A true CN107332146A (en) | 2017-11-07 |
Family
ID=60203789
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|---|---|---|---|
| CN201710750946.3A Pending CN107332146A (en) | 2017-08-28 | 2017-08-28 | A kind of new offshore wind farm installation ship GIS module installation methods |
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| CN109473927A (en) * | 2019-01-07 | 2019-03-15 | 山东达驰阿尔发电气有限公司 | A kind of disk insulator installation special tooling and its installation method |
| CN110474248A (en) * | 2019-09-18 | 2019-11-19 | 中国三冶集团有限公司 | A kind of installation method of wind-powered electricity generation and photovoltaic generating system booster stations |
| CN112636229A (en) * | 2020-12-01 | 2021-04-09 | 平高集团有限公司 | Direct current change-over switch suitable for offshore wind power |
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| CN110474248B (en) * | 2019-09-18 | 2024-05-14 | 中国三冶集团有限公司 | Installation method of booster station of wind power and photovoltaic power generation system |
| CN112636229A (en) * | 2020-12-01 | 2021-04-09 | 平高集团有限公司 | Direct current change-over switch suitable for offshore wind power |
| CN112636229B (en) * | 2020-12-01 | 2022-12-09 | 平高集团有限公司 | Direct current change-over switch suitable for offshore wind power |
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Application publication date: 20171107 |