CN104320006B - A kind of marine flexible direct-current transmission system converter station - Google Patents
A kind of marine flexible direct-current transmission system converter station Download PDFInfo
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- CN104320006B CN104320006B CN201410541421.5A CN201410541421A CN104320006B CN 104320006 B CN104320006 B CN 104320006B CN 201410541421 A CN201410541421 A CN 201410541421A CN 104320006 B CN104320006 B CN 104320006B
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- room
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- transmission system
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/04—Transformer houses; Substations or switchgear houses
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Rectifiers (AREA)
Abstract
The present invention relates to a kind of marine flexible direct-current transmission system converter station, it is characterised in that: it includes that an associating steel building, associating steel building are laterally divided into upper and lower end two parts；Upper part is divided longitudinally into three electric rooms；Intermediary electrical room is DC fields, and two electric rooms of DC fields both sides are valve hall；End portion is divided longitudinally into five electric rooms; intermediary electrical room is between current conversion station water cooling equipment; it is divided longitudinally into before and after's two parts by a cable shaft between current conversion station water cooling equipment; near between current conversion station water cooling equipment, each electric room of both sides is divided longitudinally into front and back end two parts respectively, and each fore-end electric room is respectively and controls protection room；Each rear end part electric room is respectively between accumulator, and outermost two electric rooms are attachment section, and the outside and the adjacent arbitrary attachment section that are positioned at associating steel building are spaced apart two tietransformers.The composite can be widely applied in the flexible direct current power transmission system of offshore oil platform.
Description
Technical field
The present invention relates to a kind of flexible direct-current transmission system converter station, be applicable to offshore oil especially with regard to one
The marine flexible direct-current transmission system converter station of platform.
Background technology
Offshore oil platform typically uses marine self power generation mode, by certainly building a power station and 35kV exchange submarine cable
Power to circumferential mesas, or between certainly building a power station, realize power grid interlink by 35kV exchange submarine cable.Along with
Region oil field development scale is increasing, and offshore oilfield platform faces that self-built power station is huge, fuel gas source is not enough to
And the problem such as energy-saving and emission-reduction, therefore realize land bulk power grid to offshore oil platform by Technology of HVDC based Voltage Source Converter
Powering will be following selection.
Flexible direct current transmission converter station uses steel and concrete structure mainly for land engineer applied, land current conversion station at present,
Owing to not by space, area constraints, therefore arranging loose, equipment and building structure weight do not limited, with
Time also without integral hoisting.But, owing to offshore oil platform space is nervous, harsh environmental conditions (moist,
Salt fog), and current conversion station module needs integral hoisting, the lectotype selection of land current conversion station, arranges and designs not with structure
Adapt to offshore oil platform application.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of that be applicable to offshore oil platform, compact pattern
Massing, and marine flexible direct-current transmission system converter station safe and reliable to operation.
For achieving the above object, the present invention takes techniques below scheme: a kind of marine flexible direct current power transmission system is changed
Stream station, it is characterised in that: it includes an associating steel building being made up of multiple function rooms, described associating
Steel building is horizontally divided into upper and lower end two parts by structural beams and some steel plates；Steel is passed through in upper part
Post and three electric rooms of the longitudinally split one-tenth of some steel plates；Wherein, intermediary electrical room is DC fields；Described directly
Two electric rooms of both sides, flow field are respectively valve hall, and valve hall described in two is about described DC fields pair
Claim；End portion passes through steel column and five electric rooms of the longitudinally split one-tenth of some steel plates；Wherein, intermediary electrical room
Between be between current conversion station water cooling equipment, by before and after the longitudinally split one-tenth of cable shaft between described current conversion station water cooling equipment
End two parts, described DC fields connects submarine cable by described cable shaft；Between described current conversion station water cooling equipment
Before and after hold two parts be placed with cooling water circulating pump and reserved pipe interface respectively, wherein, described cooling water follows
The cooling water pipeline of converter valve in valve hall described in ring pump connection two, described reserved pipe interface connects marine stone
Oil platform pipe network system；Near between described current conversion station water cooling equipment, each electric room of both sides is the most longitudinally split
Becoming front and back end two parts, each fore-end electric room is respectively and controls protection room, each described control protection
Indoor are placed with station power supply panel, and described station power supply panel connects offshore oil platform electrical system；Each rear end
Partial electric room is respectively between accumulator；Wherein, between accumulator described in control protection room and two described in two respectively
About symmetrical between described current conversion station water cooling equipment；Outermost two electric rooms are respectively attachment section, Mei Yisuo
Alternating-current electric equipment and oil-gas casing it is placed with in stating attachment section；Be positioned at described associating steel building outside and
Adjacent arbitrary described attachment section is arranged at intervals with two tietransformers, and each described tietransformer passes through oil gas set
Pipe is connected with described alternating-current electric equipment in each described attachment section respectively；Described DC fields, two valve hall,
Two control protection is all electrically connected by wall bushing mode with two attachment section between room, two accumulator.
Before and after described associating steel building, two ends are provided with stair activity, described associating steel building
Bottom interval is provided with some buttresses.
Described alternating-current electric equipment uses GIS device.
Wall between described attachment section and two tietransformers uses A60 fire wall.
Due to the fact that and take above technical scheme, it has the advantage that 1, due to the fact that according to different electricity
Gas equipment carries out reasonable arrangement to floor height demand, makes full use of the height in space, be provided with two valve hall,
Two attachment section, two controls are protected between room, two accumulator, between two water cooling equipments and DC fields, each electricity
Gas room is compact, effectively saves floor space, alleviates associating steel building weight, and can conduct
The top layer deck of integral hoisting oil platform at sea, mounting means is flexible.2, due to the fact that between water cooling equipment
Interior reserved pipe interface is connected with offshore oil platform sea water pipe network system, uses water-water-cooling pattern to main heating
Equipment converter valve is lowered the temperature, and utilizes sea water to cool down converter valve, takes full advantage of offshore oil platform
Advantage, provides cost savings.3, due to the fact that and be provided with two valve hall, two attachment section, two controls
Constitute two set electric energy converting equipments between protection room and two water cooling equipments, can concurrently or separately run, effectively
Improve energy conversion efficiency and reliability.4, due to the fact that two valve hall, two attachment section, two controls are protected
Protect and be all symmetrical arranged between room and two accumulator, no matter be all independent of each other from electrical connection or equipment layout, have
Effect avoids influencing each other and disturbing of equipment, improves offshore oil platform power supply reliability.5, the present invention by
It is connected with offshore oil platform electrical system in controlling protection indoor station power supply panel, effectively simplifies current conversion station
Interior station electricity consumption electrical equipment.6, due to the fact that crucial easily worn part is arranged in the electric room of pressure-fired,
The problem solving offshore oil platform harsh environmental conditions, is effectively increased the equipment O&M cycle, is conducive to setting
Standby operation and later maintenance.The present invention is flexible for installation, can be widely applied to the flexible direct current of offshore oil platform
In transmission system.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram
Fig. 2 is the side view of Fig. 1
Fig. 3 is Fig. 1 upper part top view
Fig. 4 is Fig. 1 end portion top view
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the present invention includes an associating steel building 1 being made up of multiple function rooms,
Associating steel building 1 is horizontally divided into upper and lower end two parts by structural beams and some steel plates；
As shown in Figure 1, Figure 3, steel column and three electric rooms of the longitudinally split one-tenth of some steel plates are passed through in upper part；
Wherein, intermediary electrical room is DC fields 2, is placed with two set smoothing reactors and corresponding direct current sets in DC fields 2
Standby；Two electric rooms of DC fields 2 both sides are respectively valve hall 3, and two valve hall 3 are about DC fields
2 is symmetrical, is placed with a set of converter valve and some air-conditioning devices in each valve hall 3；
Such as Fig. 1, as indicated at 4, end portion passes through steel column and five electric rooms of the longitudinally split one-tenth of some steel plates；
Wherein, intermediary electrical room is between current conversion station water cooling equipment 4, and between current conversion station water cooling equipment, 4 pass through a cable shaft
5 longitudinally split one-tenth front and back end two parts, DC fields 2 connects submarine cable by cable shaft 5；Current conversion station water-cooled
Hold in two parts before and after equipment room 4 and be placed with cooling water circulating pump, small pump, plate type heat exchanger and pre-respectively
Staying pipe interface, wherein, cooling water circulating pump connects the cooling water pipeline of converter valve in two valve hall 3, in advance
Pipe interface is stayed to connect offshore oil platform sea water pipe network system；Near between current conversion station water cooling equipment, 4 both sides is every
One electric room is divided longitudinally into front and back end two parts respectively, and each fore-end electric room respectively controls protection
Room 6, is placed with Control protection system in each control protection room 6, stands with power supply panel and direct current cabinet, control protection
System includes linear quadratic control screen and valve control screen, and wherein, standing with power supply panel power supply connection offshore oil platform is electrically
System；Each rear end part electric room is respectively between accumulator 7, be placed with in 7 between each accumulator accumulator and
Electric apparatus for explosive gas；Wherein, two control between protection rooms 6 and two accumulator 7 respectively about current conversion station water
Between cool equipment, 4 is symmetrical；Outermost two electric rooms are respectively attachment section 8, are placed with in each attachment section 8
Valve reactor, alternating-current electric equipment and oil-gas casing；It is positioned at the outside of associating steel building 1 and adjacent arbitrary
Attachment section 8 has been spaced apart two tietransformers 9, and each tietransformer 9 passes through oil-gas casing respectively with each
Alternating-current electric equipment in attachment section 8 connects；DC fields 2, two valve hall 3, two controls protection room 6, two
Between accumulator, 7 are all attached by wall bushing mode with two attachment section 8.
In above-described embodiment, before and after associating steel building 1, both sides are provided with stair activity 10, combine steel
The bottom interval of structural construction 1 is provided with some buttresses 11 so that the present invention can be placed on offshore oil platform
Top layer deck on.
In above-described embodiment, in DC fields 2, DC equipment includes direct current arrester, direct-current isolating switch, direct current
Voltage measuring apparatus and DC earthing cutter；Between two accumulator the electric apparatus for explosive gas in 7 include explosion-proof type blower fan,
Anti-explosion lamp and switch and hydrogen gas detector.
The preferred GIS of alternating-current electric equipment (sulfur hexafluoride combined electric appliance) in above-described embodiment, in two attachment section 8
Equipment.GIS device is commercially available prod, it is contemplated that the infections such as marine salt fog, is arranged in indoor.
The preferred A60 fire wall of wall 12 in above-described embodiment, between attachment section 8 and two tietransformers 9.
In above-described embodiment, the two preferred capacity of tietransformer 9 are the oil immersed type insulated type transformator of 45MWA.
In above-described embodiment, all electric rooms all use pressure-fired system, enter room air all through filtering,
It is dried and can be filled with, to guarantee to meet the explosion-proof of offshore oil platform and requirement for anticorrosion.
To add up according to offshore oil platform electricity consumption scale, general marine current conversion station power system capacity could be arranged to 2 ×
40MW (± 60kV) or 2 × 60MW (± 80kV).The present invention uses double loop flexible DC power transmission, land with
The capacity of marine current conversion station is 2 × 40MW, and DC voltage level is ± 60kV, and alternating voltage grade is 35kV.
The present invention in use, first reserved by the top layer deck of integral hoisting of the present invention to offshore oil platform
Safety zone, by the reserved pipe interface between each current conversion station water cooling equipment 4 and offshore oil platform sea water pipe
Net system connects, and each station power supply panel controlled in protection room 6 is connected with offshore oil platform electrical system.
4, two control between protection room 6, two accumulator 7 between two valve hall 3, two current conversion station water cooling equipments in the present invention,
Two attachment section 8 and two tietransformers 9 respectively constitute two set electric energy converting equipments, the direct current of submarine cable conveying
Two set smoothing reactors and respective straight flow device that electric energy is arranged in DC fields 2 respectively enter two set electric energy conversions
Equipment, two set electric energy converting equipment each independent operatings, as a example by the most a set of operation, its work is discussed in detail
Principle.
The AC energy of electrical network 220kV is converted to by land current conversion station ± direct current energy of 60kV after, by double
The direct current energy of loop direct current submarine cable conveying enters DC fields 2 through cable shaft 5, and two-way direct current energy is respectively
After entering the smoothing reactor in DC fields 2 and corresponding DC equipment, enter a valve hall 3 through wall bushing
In converter valve, converter valve the direct current energy of ± 60kV is converted to the AC energy of 60kV, AC energy warp
Valve reactor and alternating-current electric equipment in attachment section 8 are delivered to a tietransformer 9, and tietransformer 9 will
It is delivered to offshore oil platform power distribution station after the alternating current that the alternating current of 60kV is converted to 35kV.Control protection room
This set electric energy converting equipment is monitored, controls and protection by the Control protection system of 6；Stand with power supply panel for
Normal electricity consumption load in associating steel building 1 is powered with emergence power load, and station power supply panel is normal
Power supply and emergency power supply are all quoted from offshore oil platform electrical system.Normal electricity consumption load include HVAC blower fan,
Normal illumination, water cooling equipment etc.；Emergence power load includes DC power supply panel, emergency lighting etc..
The present invention uses water-water-cooling pattern to lower the temperature main heat-producing device converter valve, and the interior type of cooling uses water
Cold, the outer type of cooling uses the sea water type of cooling.It is described in detail as a example by the cooling of the most a set of converter valve.
Inner cooling water in converter valve after heat temperature raising, is followed by the cooling water being arranged between current conversion station water cooling equipment in 4
Ring pump drives the inner cooling water after heating up to enter in plate type heat exchanger, and offshore oil platform sea water pipe network system is passed through
The sea water of reserved pipe interface conveying, also in plate type heat exchanger, carries out heat exchange with the inner cooling water after heating up,
So that inner cooling water is cooled down, the cooled water-circulating pump of inner cooling water after cooling drives circulation again to send
Entering converter valve, that so goes round and begins again lowers the temperature to converter valve.Wherein, inner cooling water is during circulating cooling
Consume, is automatically replenished according to the pressure of interior cooling circulating water by small pump.
The various embodiments described above are merely to illustrate the present invention, the structure of the most each parts, connected mode and processing technology
Can be varied from Deng all, every equivalents carried out on the basis of technical solution of the present invention and improvement,
The most should not get rid of outside protection scope of the present invention.
Claims (5)
1. a marine flexible direct-current transmission system converter station, it is characterised in that: it includes one by multiple function rooms
Between composition associating steel building, described associating steel building pass through structural beams and some steel plate horizontal partition
Become upper and lower end two parts；
Steel column and three electric rooms of the longitudinally split one-tenth of some steel plates are passed through in upper part；Wherein, intermediary electrical room
Between be DC fields；Two electric rooms of described DC fields both sides are respectively valve hall, and converter valve described in two
The Room is symmetrical about described DC fields；
End portion passes through steel column and five electric rooms of the longitudinally split one-tenth of some steel plates；Wherein, intermediary electrical room
Between be between current conversion station water cooling equipment, by before and after the longitudinally split one-tenth of cable shaft between described current conversion station water cooling equipment
End two parts, described DC fields connects submarine cable by described cable shaft；Between described current conversion station water cooling equipment
Before and after hold two parts be placed with cooling water circulating pump and reserved pipe interface respectively, wherein, described cooling water follows
The cooling water pipeline of converter valve in valve hall described in ring pump connection two, described reserved pipe interface connects marine stone
Oil platform sea water pipe network system；Near between described current conversion station water cooling equipment, each electric room of both sides is the most longitudinally
Being divided into front and back end two parts, each fore-end electric room is respectively and controls protection room, each described control
Protection indoor are placed with station power supply panel, and described station power supply panel connects offshore oil platform electrical system；Each
Rear end part electric room is respectively between accumulator；Wherein, between accumulator described in control protection room and two described in two
Respectively about symmetrical between described current conversion station water cooling equipment；Outermost two electric rooms are respectively attachment section, often
Alternating-current electric equipment and oil-gas casing it is placed with in attachment section described in；It is positioned at outside described associating steel building
Side and adjacent arbitrary described attachment section are arranged at intervals with two tietransformers, and each described tietransformer is by oil
Gas bushing is connected with described alternating-current electric equipment in each described attachment section respectively；Described DC fields, two converter valve
The Room, two control protections are all attached by wall bushing mode with two attachment section between room, two accumulator.
2. a kind of marine flexible direct-current transmission system converter station as claimed in claim 1, it is characterised in that: institute
Before and after stating associating steel building, two ends are provided with stair activity, between the bottom of described associating steel building
Every being provided with some buttresses.
3. a kind of marine flexible direct-current transmission system converter station as claimed in claim 1, it is characterised in that: institute
State alternating-current electric equipment and use GIS device.
4. a kind of marine flexible direct-current transmission system converter station as claimed in claim 2, it is characterised in that: institute
State alternating-current electric equipment and use GIS device.
A kind of marine flexible direct-current transmission system converter station the most as claimed in claim 1 or 2 or 3 or 4, its
It is characterised by: the wall between described attachment section and two tietransformers uses A60 fire wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410541421.5A CN104320006B (en) | 2014-10-14 | 2014-10-14 | A kind of marine flexible direct-current transmission system converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410541421.5A CN104320006B (en) | 2014-10-14 | 2014-10-14 | A kind of marine flexible direct-current transmission system converter station |
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| Publication Number | Publication Date |
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| CN104320006A CN104320006A (en) | 2015-01-28 |
| CN104320006B true CN104320006B (en) | 2016-09-21 |
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| CN201410541421.5A Active CN104320006B (en) | 2014-10-14 | 2014-10-14 | A kind of marine flexible direct-current transmission system converter station |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650339A (en) * | 2016-03-21 | 2016-06-08 | 国家电网公司 | Valve external cooling system achieving cooling with seawater |
| CN106786559A (en) * | 2017-02-14 | 2017-05-31 | 全球能源互联网研究院 | A kind of appraisal procedure of marine current conversion station reliability |
| US11011894B2 (en) | 2017-05-24 | 2021-05-18 | J. Ray Mcdermott, S.A. | HVDC modular platform design |
| CN107332146A (en) * | 2017-08-28 | 2017-11-07 | 南通振华重型装备制造有限公司 | A kind of new offshore wind farm installation ship GIS module installation methods |
| CN108706298B (en) * | 2018-06-20 | 2024-04-26 | 浙江联能电气有限公司 | Movable air conditioner structure of electric house |
| CN108590240B (en) * | 2018-06-20 | 2024-04-30 | 浙江联能电气有限公司 | Electric house convenient to marine transportation |
| CN110137838B (en) * | 2019-05-24 | 2024-09-03 | 中国电建集团华东勘测设计研究院有限公司 | Modular offshore converter station structure |
| CN114242401A (en) * | 2021-10-26 | 2022-03-25 | 保定天威保变电气股份有限公司 | Arrangement system of inner-cooling circulating water cooling type flexible-direct transformer |
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| CN103956763A (en) * | 2014-04-01 | 2014-07-30 | 中国能源建设集团广东省电力设计研究院 | Flexible DC converter station |
| CN204190630U (en) * | 2014-10-14 | 2015-03-04 | 中国海洋石油总公司 | Marine flexible direct-current transmission system converter station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6853541B2 (en) * | 2002-06-25 | 2005-02-08 | Siemens Aktiengesellschaft | Compact converter station |
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| CN103956763A (en) * | 2014-04-01 | 2014-07-30 | 中国能源建设集团广东省电力设计研究院 | Flexible DC converter station |
| CN204190630U (en) * | 2014-10-14 | 2015-03-04 | 中国海洋石油总公司 | Marine flexible direct-current transmission system converter station |
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| CN104320006A (en) | 2015-01-28 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |
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