CN113162104B - Offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection - Google Patents
Offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection Download PDFInfo
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- CN113162104B CN113162104B CN202110467527.5A CN202110467527A CN113162104B CN 113162104 B CN113162104 B CN 113162104B CN 202110467527 A CN202110467527 A CN 202110467527A CN 113162104 B CN113162104 B CN 113162104B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention provides an offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection, wherein the offshore flexible direct current converter station direct current field is a double-layer direct current field formed by a first layer of direct current field and a second layer of direct current field stacked on the top of the first layer of direct current field, the first layer of direct current field comprises a first platform located in the middle position and two polar line direct current fields symmetrically arranged on two sides of the first platform in the width direction, the second layer of direct current field comprises a second platform located in the middle position and two neutral line direct current fields symmetrically arranged on two sides of the second platform in the width direction, and each polar line direct current field and each neutral line direct current field respectively comprise an incoming line loop, a direct current bus and a plurality of feeder line loops. Compared with a two-end system, the offshore flexible direct current converter station direct current field with the interconnected multiple ends can realize interconnection of multiple converter stations, multi-power supply and multi-drop power receiving, and the offshore flexible direct current converter station direct current field with the interconnected multiple ends has the advantages of higher economy, flexibility and reliability and wide application prospect.
Description
Technical Field
The invention relates to the technical field of offshore wind power and flexible direct current transmission, in particular to an offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection.
Background
In recent years, with the urgent needs of traditional energy shortage and carbon emission reduction, the development and utilization of global offshore wind energy are rapidly developed, and offshore wind energy has huge wind energy resources and wide sea resources, so that deep and far offshore wind power becomes an important direction for the development of offshore wind power in the future. At present, the grid-connected mode of wind power transmission at deep offshore is mainly divided into two types, namely high-voltage alternating current power transmission and high-voltage direct current power transmission, wherein the high-voltage direct current power transmission adopts a flexible direct current mode. For a long-distance deep offshore wind power project, the high-voltage alternating-current power transmission has too many limiting factors due to the consideration of the reactive power compensation problem of the line. The adoption of the long-distance high-voltage flexible direct current transmission has the advantages of controllable tide and voltage, large transmission capacity, capability of providing reactive support for a system and the like in the process of offshore wind power transmission.
At present, offshore wind power flexible direct current transmission only adopts a two-end interconnection transmission technology, the flexibility is poor, if a traditional two-end direct current transmission system is adopted to realize interconnection among a plurality of power grids, a plurality of direct current transmission lines are needed, the cost and the operating cost are very high, multi-end flexible direct current transmission is direct current transmission with more than 3 convertor stations developed on the basis of two-end direct current transmission, the flexibility is stronger, the control characteristic is more excellent, the economy is better, and therefore, the application prospect in the field of large-scale delivery of renewable energy is better.
Based on the situation, the invention provides the offshore flexible direct current converter station direct current field suitable for multi-end interconnection, and the problems can be effectively solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a direct current field of an offshore flexible direct current converter station suitable for multi-end interconnection, which is a single-platform double-layer four-direct current field arrangement, wherein each direct current field comprises an incoming line loop, a direct current bus and a plurality of feeder lines. The offshore wind power flexible direct current sending-out system is suitable for an offshore wind power flexible direct current sending-out system of a multi-end interconnected converter station, and has the advantages of multi-end interconnection and high expansibility.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the offshore flexible direct current converter station direct current field is a double-layer direct current field formed by a first layer of direct current field and a second layer of direct current field stacked on the top of the first layer of direct current field, the first layer of direct current field comprises a first platform located in the middle and two polar line direct current fields symmetrically arranged on two sides of the first platform in the width direction, the second layer of direct current field comprises a second platform located in the middle and two neutral line direct current fields symmetrically arranged on two sides of the second platform in the width direction, and each polar line direct current field and each neutral line direct current field comprise an incoming line loop, a direct current bus and a plurality of feeder line loops.
As a preferred technical scheme of the present invention, an incoming line loop of any polar line direct current field includes a wall bushing, a bridge arm reactor, a post insulator and a double-grounding isolator, a direct current bus of the polar line direct current field includes a bus bar and a suspension insulator, and a feeder line loop of the polar line direct current field includes a single-grounding isolator, a high-speed switch, a grounding switch and a polar line cable terminal; the longitudinal projections of the first platform and the second platform on the horizontal plane are superposed.
As a preferred technical solution of the present invention, the feed line loop and the feed line loop of the polar-line direct-current field both include measurement protection equipment.
As a preferred technical scheme of the present invention, in an incoming line loop of the polar line direct current field, one side of a bridge arm reactor is connected with a wall bushing, the other side of the bridge arm reactor is connected with a measurement protection device, the other side of the measurement protection device is connected with a double-grounding isolation switch, and the other side of the double-grounding isolation switch is electrically connected with a direct current bus; in a feeder line loop, one side of a single grounding isolating switch is electrically connected with a direct current bus, the other side of the single grounding isolating switch is electrically connected with one side of a high-speed switch HSS, and the other side of the high-speed switch HSS is matched with a measurement protection device and a grounding switch and is finally electrically connected with an electrode wire cable terminal.
As a preferable technical solution of the present invention, the dc bus of the polar-line dc field is installed in a suspended manner by a suspension insulator.
As a preferred technical scheme of the invention, the incoming line loop of any neutral line direct current field comprises a wall bushing, a bridge arm reactor, a post insulator and a double/single grounding isolating switch, the direct current bus of the neutral line direct current field comprises a bus bar and a suspension insulator, and the feeder line loop of the neutral line direct current field comprises a single grounding isolating switch, a high-speed switch HSS, a grounding switch and a neutral line cable terminal.
As a preferred technical scheme of the invention, the incoming line loop and the feeder line loop of the neutral line direct current field both comprise measurement protection equipment.
As a preferred technical scheme of the invention, in a line-incoming loop of the neutral line direct current field, one side of a bridge arm reactor is connected with a wall bushing, the other side of the bridge arm reactor is electrically connected with a measurement protection device, the other side of the measurement protection device is connected with a double/single grounding isolating switch, and the other side of the double/single grounding isolating switch is electrically connected with a direct current bus; in a feeder circuit, one side of a single-grounding isolating switch is electrically connected with a direct-current bus, the other side of the single-grounding isolating switch is electrically connected with one side of a high-speed switch HSS, and the other side of the high-speed switch HSS is matched with a measurement protection device and a grounding switch and is finally electrically connected with a neutral cable terminal.
As a preferable technical solution of the present invention, the dc bus of the neutral dc field is installed in a suspended manner by a suspension insulator.
As a preferred technical solution of the present invention, the measurement protection device includes at least two of a direct current measurement device, a direct voltage measurement device, and an arrester.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention provides the offshore flexible direct current converter station direct current field suitable for multi-end interconnection for the first time, and the offshore flexible direct current converter station direct current field has the advantages of multi-end interconnection and high expansibility.
The offshore foundation construction difficulty is high, the manufacturing cost is high, the requirement on small occupied area of the offshore converter station is met, and the overall weight is light, so that compared with the laying arrangement of the onshore multi-end converter station, the offshore multi-end converter station is arranged in multiple layers, the equipment types are reduced through optimization, the connection mode between the equipment is adjusted, and the purposes of reducing the occupied area and reducing the platform weight are achieved. The incoming and outgoing line modes of the offshore multi-end converter station are different from those of the onshore multi-end converter station, and are submarine cables, and the onshore multi-end converter station mostly adopts overhead lines. In addition, the offshore multi-end converter station is easier to connect with other offshore converter stations, and offshore interconnection is facilitated.
Drawings
Fig. 1 is a typical cross-sectional view of a direct current field of a multi-end interconnected offshore flexible direct current converter station according to an embodiment of the present invention;
fig. 2 is a first layer floor plan view of a direct current field of the offshore flexible direct current converter station with interconnected multiple ends according to the embodiment of the invention;
fig. 3 is a plan view of a second layer of a direct current field of the offshore flexible direct current converter station with interconnected multiple ends according to the embodiment of the invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The present invention will be further described with reference to the following examples and figures 1-3, but the invention is not limited thereto.
As shown in fig. 1 to 3, the offshore flexible direct current converter station direct current field applicable to multi-terminal interconnection is implemented, the offshore flexible direct current converter station direct current field is a double-layer direct current field formed by a first layer of direct current field and a second layer of direct current field stacked on the top of the first layer of direct current field, the first layer of direct current field comprises a first platform located at the middle position, a polar 1 polar line direct current field and a polar 2 polar line direct current field which are symmetrically arranged on two sides of the first platform in the width direction, the second layer of direct current field comprises a second platform located at the middle position, a polar 1 neutral line direct current field and a polar 2 neutral line direct current field which are symmetrically arranged on two sides of the second platform in the width direction, and each polar line direct current field and each neutral line direct current field comprise an incoming line loop, a direct current bus and a plurality of feeder loops. Wherein, the longitudinal projections of the first platform and the second platform on the horizontal plane are superposed.
Wherein the pole 1 pole line dc field and the pole 2 pole line dc field include a pole 1 wall bushing 110, a pole 2 wall bushing 120, a pole 1 bridge arm reactor 210, a pole 2 bridge arm reactor 220, a pole 1 dc current measuring device 310, a pole 2 dc current measuring device 320, a pole 1 dc voltage measuring device 410, a pole 2 dc voltage measuring device 420, a pole 1 arrester 510, a pole 2 arrester 520, a pole 1 high speed switch HSS610, a pole 2 high speed switch HSS620, a pole 1 pole line cable terminal 710, a pole 2 neutral cable terminal 720, a pole 1 post insulator 810, a pole 2 post insulator 820, a pole 1 double grounding isolator 910, a pole 2 double grounding isolator 920, a pole 1 suspension insulator 1010, a pole 2 suspension insulator 1020, a pole 1 single grounding isolator 1110, a pole 2 single grounding isolator 1120, a pole 1 dc tube bus 1210, a pole 2 dc tube bus 1220, a pole 1 grounding switch 3110, Pole 2 grounding switch 3120.
The pole 1 neutral dc field and the pole 2 neutral dc field include a pole 1 wall bushing 2110, a pole 2 wall bushing 2120, a pole 1 arm reactor 2210, a pole 2 arm reactor 2220, a pole 1 arrester 2310, a pole 2 arrester 2320, a pole 1 high speed switch HSS2400, a pole 1 neutral cable terminal 2510, a pole 2 neutral cable terminal 2520, a pole 1 measurement protection device 2610, a pole 2 measurement protection device 2620, a pole 1 post insulator 2710, a pole 2 post insulator 2720, a pole 1 suspension insulator 2810, a pole 2 suspension insulator 2820, a pole 1 pole 2 dc bus bar 2900, a pole 1 ground switch 3010, a pole 2 ground switch 3020, a pole 1 double ground isolation switch 3210, a pole 2 single ground switch 3220, a pole 1 single ground switch 3310, a pole 2 single ground switch 3320, a pole 1 line bus bar 3410, and a pole 2 line bus 3420.
The first layer of direct current field is a polar 1 polar line direct current field and a polar 2 polar line direct current field, and the polar 1 polar line direct current field and the polar 2 polar line direct current field are separately arranged on two sides of the first platform, are independent and are symmetrical to each other. The inlet wire loop of the polar 1 polar line direct current field and the polar 2 polar line direct current field comprises wall bushing pipes 110 and 120, bridge arm reactors 210 and 220, measurement protection equipment (direct current measuring devices 310 and 320, direct voltage measuring devices 410 and 420, lightning arresters 510 and 520), post insulators 810 and 820, double- grounding isolating switches 910 and 920 and the like; the direct current buses of the polar 1 polar line direct current field and the polar 2 polar line direct current field comprise pipe buses 1210 and 1220 and suspension insulators 1010 and 1020; the feeder loop of the pole 1 pole dc field and the pole 2 pole dc field comprises single ground isolation switches 1110 and 1120, high-speed switches HSS610 and 620, ground switches 3110 and 3120, pole cable terminals 710 and 720, and measurement protection equipment (dc current measuring devices 310 and 320, dc voltage measuring devices 410 and 420, lightning arresters 510 and 520), and the like. One side of the two bridge arm reactors 210 and 220 is connected with the wall bushing 110 and 120, the other side is electrically connected with the measurement protection equipment (the direct current measurement devices 310 and 320, the direct voltage measurement devices 410 and 420, and the lightning arresters 510 and 520), the other side of the two measurement protection equipment is connected with the flexible conductor (the pole 1 pole 2 flexible conductor is respectively supported by the post insulators 810 and 820), and finally the two double- grounding isolation switches 910 and 920 are connected as a wire inlet loop. The other sides of the two double-grounded isolating switches 910 and 920 of the incoming line loop are electrically connected with two direct current buses. The two direct current buses are respectively suspended and installed by two suspension insulators 1010 and 1020 as pipe buses 1210 and 1220. The two single-ground disconnectors 1110 and 1120 are electrically connected with two dc buses on one side and two high-speed switches HSS610 and 620 on the other side, and the two high-speed switches HSS610 and 620 on the other side are electrically connected with two- pole cable terminals 710 and 720 as four feeder loops in cooperation with measurement protection equipment (dc current measuring devices 310 and 320, 2 dc voltage measuring devices 410 and 420, lightning arresters 510 and 520) and ground switches 3110 and 3120.
The second layer direct current field is a polar 1 neutral line direct current field and a polar 2 neutral line direct current field, and the polar 1 neutral line direct current field and the polar 2 neutral line direct current field are separately arranged on two sides of the second platform, are independent from each other and are symmetrical to each other. The line inlet circuit of the pole 1 neutral direct current field and the pole 2 neutral direct current field comprises wall bushing 2110 and 2120, bridge arm reactors 2210 and 2220, post insulators 2710 and 2720, tube nuts 3410 and 3420, measurement protection equipment 3510 and 3520, pole 1 double/pole 2 single- ground isolating switches 3210 and 3220 and the like; the direct current buses of the pole 1 neutral line direct current field and the pole 2 neutral line direct current field comprise a pipe bus 2900 and suspension insulators 2810 and 2820; the feeder loops of the pole 1 neutral dc field and the pole 2 neutral dc field include single ground isolation switches 3310 and 3320, a pole 1 high speed switch HSS2400, neutral cable terminals 2510 and 2520, and protection devices (arresters 2310 and 2320), among others. One side of each of the two bridge arm reactors 2210 and 2220 is connected with a wall bushing 2110 and 2120 respectively, the other side of each of the two bridge arm reactors 2210 and 2220 is electrically connected with a measurement protection device 3510 and 3520 respectively through a tube set 3410 and 3420 (the tube sets 3410 and 3420 on the side of the bridge arm reactors are supported by two post insulators), and the other side of the measurement protection device 3510 and 3520 is connected with a pole 1 double/pole 2 single-ground disconnecting switch 3210 and 3220 respectively to be used as an incoming line loop. The other sides of the two/polar 2 single- grounding isolating switches 3210 and 3220 of the incoming line loop pole 1 are respectively electrically connected with two direct current buses. One side of each of the single- grounding isolation switches 3310 and 3320 is electrically connected to two dc buses, the other side of the pole 1 single-grounding isolation switch 3310 is electrically connected to one side of the pole 1 high-speed switch HSS2400, the other side of the pole 1 high-speed switch HSS2400 is electrically connected to the pole 1 arrester 2310 and the grounding switch 3110 and the neutral cable terminal 2510 to form a feeder circuit, and the other side of the pole 2 single-grounding isolation switch 3320 is electrically connected to the pole 2 arrester 2320 and the grounding switch 3120 and the neutral cable terminal 2520 to form a feeder circuit.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping to understand the method and the core idea of the invention; this summary should not be construed to limit the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The utility model provides an offshore flexible direct current converter station direct current field suitable for multiterminal interconnection which characterized in that: the offshore flexible direct current converter station direct current field is a double-layer direct current field formed by a first layer of direct current field and a second layer of direct current field stacked on the top of the first layer of direct current field, the first layer of direct current field comprises a first platform located at the middle position and two polar line direct current fields symmetrically arranged on two sides of the first platform in the width direction, the second layer of direct current field comprises a second platform located at the middle position and two neutral line direct current fields symmetrically arranged on two sides of the second platform in the width direction, and each polar line direct current field and each neutral line direct current field respectively comprise an incoming line loop, a direct current bus and a plurality of feeder line loops;
The feed line loop of any polar line direct current field comprises a wall bushing, a bridge arm reactor, a post insulator and a double-grounding isolating switch, a direct current bus of the polar line direct current field comprises a bus bar and a suspension insulator, and a feed line loop of the polar line direct current field comprises a single-grounding isolating switch, a high-speed switch, a grounding switch and a polar line cable terminal; the longitudinal projections of the first platform and the second platform on the horizontal plane are superposed;
the line-in loop of any neutral line direct current field comprises a wall bushing, a bridge arm reactor, a post insulator and a double/single grounding isolating switch, a direct current bus of the neutral line direct current field comprises a tube bus and a suspension insulator, and a feeder loop of the neutral line direct current field comprises a single grounding isolating switch, a high-speed switch HSS, a grounding switch and a neutral cable terminal.
2. The offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection according to claim 1, characterized in that: and the inlet circuit and the feeder circuit of the polar line direct current field both comprise measurement protection equipment.
3. The offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection according to claim 2, characterized in that: in a wire inlet loop of the polar line direct current field, one side of a bridge arm reactor is connected with a wall bushing, the other side of the bridge arm reactor is connected with measurement protection equipment, the other side of the measurement protection equipment is connected with a double-grounding isolating switch, and the other side of the double-grounding isolating switch is electrically connected with a direct current bus; in a feeder circuit, one side of a single grounding isolating switch is electrically connected with a direct current bus, the other side of the single grounding isolating switch is electrically connected with one side of a high-speed switch HSS, and the other side of the high-speed switch HSS is matched with a measurement protection device and a grounding switch and is finally electrically connected with a polar cable terminal.
4. The offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection according to claim 1, characterized in that: and a direct-current bus of the polar line direct-current field is subjected to bus suspension installation by a suspension insulator.
5. The offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection according to claim 1, characterized in that: and the incoming line loop and the feeder line loop of the neutral line direct current field both comprise measurement protection equipment.
6. The offshore flexible direct current converter station direct current field suitable for multi-end interconnection according to claim 5, characterized in that: in a wire inlet loop of the neutral line direct current field, one side of a bridge arm reactor is connected with a wall bushing, the other side of the bridge arm reactor is electrically connected with a measurement protection device, the other side of the measurement protection device is connected with a double/single grounding isolating switch, and the other side of the double/single grounding isolating switch is electrically connected with a direct current bus; in a feeder circuit, one side of a single grounding isolating switch is electrically connected with a direct current bus, the other side of the single grounding isolating switch is electrically connected with one side of a high-speed switch HSS, and the other side of the high-speed switch HSS is matched with a measurement protection device and a grounding switch and is finally electrically connected with a neutral cable terminal.
7. The offshore flexible direct current converter station direct current field suitable for multi-end interconnection according to claim 1, characterized in that: and the direct current bus of the neutral line direct current field is subjected to bus suspension installation by a suspension insulator.
8. An offshore flexible direct current converter station direct current field suitable for multi-end interconnection according to claim 2 or 5, characterized in that: the measurement protection equipment comprises at least two of a direct current measurement device, a direct voltage measurement device and a lightning arrester.
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| CN202110467527.5A CN113162104B (en) | 2021-04-28 | 2021-04-28 | Offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection |
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| CN202110467527.5A CN113162104B (en) | 2021-04-28 | 2021-04-28 | Offshore flexible direct current converter station direct current field suitable for multi-terminal interconnection |
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| CN113162104B true CN113162104B (en) | 2022-06-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000144A1 (en) * | 2010-06-30 | 2012-01-05 | 国家电网公司 | Wire connecting method and converter station for ultra-high voltage direct current power transmission, and ultra-high voltage direct current power transmission system |
| CN208337425U (en) * | 2018-06-11 | 2019-01-04 | 中国能源建设集团广东省电力设计研究院有限公司 | The arragement construction of converter station |
| CN212343323U (en) * | 2020-04-16 | 2021-01-12 | 中国电力工程顾问集团中南电力设计院有限公司 | Three-terminal direct current engineering direct current field |
-
2021
- 2021-04-28 CN CN202110467527.5A patent/CN113162104B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000144A1 (en) * | 2010-06-30 | 2012-01-05 | 国家电网公司 | Wire connecting method and converter station for ultra-high voltage direct current power transmission, and ultra-high voltage direct current power transmission system |
| CN208337425U (en) * | 2018-06-11 | 2019-01-04 | 中国能源建设集团广东省电力设计研究院有限公司 | The arragement construction of converter station |
| CN212343323U (en) * | 2020-04-16 | 2021-01-12 | 中国电力工程顾问集团中南电力设计院有限公司 | Three-terminal direct current engineering direct current field |
Non-Patent Citations (2)
| Title |
|---|
| 3D Electric Field Simulation of Converter Transformer with Real Insulation Materials Utilized in HVDC Systems;Weidong Sun;《2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE)》;20190214;全文 * |
| 混合直流输电柔性直流换流站直流场接线研究;郝为瀚等;《南方能源建设》;20161230;全文 * |
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