CN103986152B - The method for arranging of flexible direct current converter station connection district and valve Room power distribution equipment - Google Patents
The method for arranging of flexible direct current converter station connection district and valve Room power distribution equipment Download PDFInfo
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- CN103986152B CN103986152B CN201410156744.2A CN201410156744A CN103986152B CN 103986152 B CN103986152 B CN 103986152B CN 201410156744 A CN201410156744 A CN 201410156744A CN 103986152 B CN103986152 B CN 103986152B
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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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Abstract
The method for arranging of a kind of flexible direct current converter station connection district and valve Room power distribution equipment, described flexible direct current converter station is by alternating-current field, connection district, the valve Room and DC fields region composition, wherein connecting district is the region connecting alternating-current field power distribution equipment and the valve Room in flexible direct current converter station, the valve Room is the place of placing converter valve in flexible direct current converter station, described converter valve is divided into positive pole, negative pole two converter valve groups, each converter valve group comprises A phase, B phase, C phase three brachium pontis, described positive pole, the brachium pontis arrangement of negative pole converter valve group is interlaced arrangement mode, order of placement is: positive pole A phase brachium pontis-negative pole A phase brachium pontis-positive pole B phase brachium pontis-negative pole B phase brachium pontis-positive pole C phase brachium pontis-negative pole C phase brachium pontis, the DC convergent current bus bar of described valve Room power distribution equipment utilizes the height in the valve Room to adopt vertical interlaced to arrange, cancel the layout of connection district's brachium pontis reactance bus rod simultaneously, it is compared with conventional arrangement, can on the basis not increasing valve Room floor space, and the power distribution equipment simplifying connection district is arranged, has saved connection district and has taken up an area, improves land utilization ratio, and versatility and flexibility are comparatively strong, and comprehensive benefit is remarkable.
Description
Technical field
What the present invention relates to is the method for arranging that a kind of flexible direct current converter station connects district and valve Room power distribution equipment, is applicable to flexible direct current converter station design; Belong to project of transmitting and converting electricity design and construction technical field.
Background technology
Flexible DC power transmission is the HVDC Transmission Technology of new generation that the voltage source converter formed based on all-controlling power electronics device is formed.Flexible direct current power transmission system independently can change phase place and the amplitude of its output voltage, thus the meritorious and reactive power regulating it to export easily and quickly.At raising stability of power system, increase system dynamic reactive-load deposit, improve the quality of power supply, solve nonlinear-load, impact load is on the impact of system, ensure that the sensitive equipment aspect such as to power all has stronger technical advantage, be specially adapted to regenerative resource grid-connected, distributed power generation is grid-connected, island with power, the aspects such as large size city mains supply, and be easy to expansion and form multiterminal element network, urgent power support fast can be provided more neatly to connected AC system, improve the stability of AC system, improve the reliability of electric power system, flexibility and economy.
Flexible direct current converter station is the important component part in flexible direct current power transmission system, and it serves the effect connecting flexible direct current system and AC system.Flexible direct current converter station is by alternating-current field, and connection district, the regions such as the valve Room and DC fields form.
Connection district is the region connecting alternating-current field power distribution equipment and the valve Room in flexible direct current converter station.The valve Room is the place of placing converter valve in flexible direct current converter station, is the nucleus in flexible direct current converter station.Flexible direct current converter station converter valve is divided into positive pole, negative pole two converter valve groups, and each converter valve group comprises A phase, B phase, C phase three brachium pontis, and converter valve tower generally adopts brace type structure, also can adopt suspension type structure.
Power distribution equipment is the general name of the electric device that can control, accept and distribute electric energy.It is functionally complete, comprises the electric equipment possessing various function, as secondary devices such as bus rod, circuit breaker, isolating switch, reactor, lightning arrester, instrument transformer, cable and measuring instruments.
Connection district power distribution equipment is primarily of connecting transformer side wall bushing, earthing device (earth resistance and earthing reactance), starting resistance, isolating switch, current transformer, brachium pontis reactor side bus rod, brachium pontis reactor, lightning arrester, voltage transformer, composition, connection power distribution equipment side, district is through brachium pontis reactor, valve Room AC wall bushing is connected with valve Room power distribution equipment, and opposite side is through earthing device, and connection becomes side wall bushing and is connected with connection transformer.
Valve Room power distribution equipment is primarily of converter valve, and DC side wall bushing, DC side current transformer, DC side lightning arrester, DC side bus rod, DC side earthed switch, ac-side current instrument transformer, AC earthed switch and AC wall bushing form.Valve Room power distribution equipment AC is successively through ac-side current instrument transformer, AC earthed switch, be connected with connection district power distribution equipment after AC wall bushing, valve Room power distribution equipment DC side is successively through DC side bus rod, DC side lightning arrester, DC side current transformer, DC side earthed switch, is connected with DC fields power distribution equipment after DC side wall bushing.
Conventional valve Room power distribution equipment bus equipment often adopts the brachium pontis centralized arrangement mode of positive pole, negative pole converter valve group, and order of placement is: positive pole A phase brachium pontis-positive pole B phase brachium pontis-positive pole C phase brachium pontis-negative pole C phase brachium pontis-negative pole B phase brachium pontis-negative pole A phase brachium pontis.The bus rod of positive and negative polarities is corresponding with brachium pontis; The connection district be connected with valve Room AC then needs to arrange brachium pontis reactance bus rod respectively.
Be illustrated in figure 1 conventional one of arranging and connect district and valve Room power distribution equipment plane graph, it adopts the method for valve group brachium pontis centralized arrangement, the brachium pontis of valve Room positive pole, negative pole two converter valve groups adopts centralized arrangement, order of placement is: positive pole A phase brachium pontis-positive pole B phase brachium pontis-positive pole C phase brachium pontis-negative pole C phase brachium pontis-negative pole B phase brachium pontis-negative pole A phase brachium pontis, as shown in label in Fig. 12.The bus rod of valve Room DC side positive and negative polarities is corresponding with brachium pontis position, there is not interleaving problem, arranges more for convenience, as shown in label in Fig. 13; The AC of brachium pontis connects brachium pontis reactance by wall bushing, the confluxing of brachium pontis reactance needs to arrange bus rod and confluxes, as shown in label in Fig. 11; The connection district of conventional arrangement is of a size of 45m × 42m, and the valve Room is of a size of 52.5m × 42m.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and a kind of improvement is provided, significantly can reduce flexible direct current converter station floor space, there is the method for arranging of connection district, the flexible direct current converter station valve Room power distribution equipment compared with high universalizable and flexibility.
The present invention has come by following technical solution, the method for arranging of a kind of flexible direct current converter station connection district and valve Room power distribution equipment, the positive pole of described valve Room converter valve, the brachium pontis arrangement of negative pole converter valve group are interlaced arrangement mode, and order of placement is: positive pole A phase brachium pontis-negative pole A phase brachium pontis-positive pole B phase brachium pontis-negative pole B phase brachium pontis-positive pole C phase brachium pontis-negative pole C phase brachium pontis.
The optimization that described valve Room DC side bus rod is arranged is the height condition utilizing the valve Room, and valve Room DC side bus rod adopts vertical interlaced to arrange.
Described connection district brachium pontis reactance bus rod layout optimization is the change according to converter valve group interlaced arrangement mode, cancels connection district's brachium pontis reactance bus rod.
The invention has the beneficial effects as follows:
(1) compared with valve group brachium pontis centralized arrangement, the present invention, i.e. valve group brachium pontis interlaced arrangement cancel connection district's brachium pontis reactance bus rod, on the basis not increasing valve Room floor space, the power distribution equipment simplifying connection district is arranged, saved connection district to take up an area, improve land utilization ratio, comprehensive benefit is remarkable.
(2) versatility of the present invention and flexibility stronger, compared with conventional art, can when the arrangement in connection district and valve Room power distribution equipment need not be changed, the positive-negative polarity that can meet valve Room DC side by means of only the line between reconfiguration power distribution equipment exchanges, the A phase of valve Room AC, B phase, the different general layouts of the flexible direct current converter stations such as the phase sequence exchange of C phase need.
Accompanying drawing explanation
Fig. 1 is connection district and the valve Room power distribution equipment floor plan of conventional layout.
Fig. 2 is connection district of the present invention and valve Room power distribution equipment floor plan.
Wherein in Fig. 1, label 1 is connection district's brachium pontis reactance bus rod, and label 2 is converter valve brachium pontis, and label 3 is valve Room DC side bus rod; In Fig. 2, label 4 is converter valve brachium pontis, and label 5 is valve Room DC side bus rod.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail:
That flexible direct current converter station of the present invention is by alternating-current field shown in Fig. 2, connection district, the valve Room and DC fields region composition, wherein connecting district is the region connecting alternating-current field power distribution equipment and the valve Room in flexible direct current converter station, and the valve Room is that the valve Room power distribution equipment described in place placing converter valve in flexible direct current converter station forms primarily of converter valve, DC side wall bushing, DC side current transformer, DC side lightning arrester, DC side bus rod, DC side earthed switch, ac-side current instrument transformer, AC earthed switch and AC wall bushing; Described converter valve is divided into positive pole, negative pole two converter valve groups, and each converter valve group comprises A phase, B phase, C phase three brachium pontis; The brachium pontis arrangement of the positive pole described in Fig. 2, negative pole converter valve group is interlaced arrangement mode, and order of placement is: positive pole A phase brachium pontis-negative pole A phase brachium pontis-positive pole B phase brachium pontis-negative pole B phase brachium pontis-positive pole C phase brachium pontis-negative pole C phase brachium pontis, as shown in label in Fig. 24.
The optimization that described valve Room DC side bus rod is arranged is the height condition utilizing the valve Room, and valve Room DC side bus rod adopts vertical interlaced to arrange, as shown in label in Fig. 25.
Described connection district brachium pontis reactance bus rod layout optimization is the change according to converter valve group interlaced arrangement mode, cancels connection district's brachium pontis reactance bus rod.
Embodiment:
As shown in Figure 2, the brachium pontis of positive pole, negative pole two converter valve groups adopts interlaced arrangement, and order of placement is: positive pole A phase brachium pontis-negative pole A phase brachium pontis-positive pole B phase brachium pontis-negative pole B phase brachium pontis-positive pole C phase brachium pontis-negative pole C phase brachium pontis.In order to save the size in the valve Room, valve Room DC side bus rod adopts vertical interlaced to arrange.The AC of brachium pontis connects brachium pontis reactance by wall bushing, and confluxing of brachium pontis reactance can not arrange bus rod, simplifies the electric link in connection district.The connection district of the present invention program is of a size of 37.5m × 42m, and the valve Room is of a size of 52.5m × 42m.
The present invention mainly comprises converter valve layout, valve Room DC side bus rod is arranged, connection district's brachium pontis reactance bus rod is arranged.
The optimization of described converter valve arrangement, be change the brachium pontis arrangement of positive pole, negative pole converter valve group into interlaced arrangement mode, order of placement is: positive pole A phase brachium pontis-negative pole A phase brachium pontis-positive pole B phase brachium pontis-negative pole B phase brachium pontis-positive pole C phase brachium pontis-negative pole C phase brachium pontis.
The optimization that described valve Room DC side bus rod is arranged is the height condition utilizing the valve Room, and valve Room DC side bus rod adopts vertical interlaced to arrange.
The optimization that described connection district brachium pontis reactance bus rod is arranged is the change according to converter valve group interlaced arrangement mode, cancels connection district's brachium pontis reactance bus rod.
The present invention can save equipment occupation of land, raising flexible direct current converter station connection district and valve Room power distribution equipment versatility and flexibility, and comprehensive benefit is remarkable.
Invention applies specific case to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept for helping; This partial content should not be construed as limitation of the present invention.
Claims (2)
1. the method for arranging of a flexible direct current converter station connection district and valve Room power distribution equipment, described flexible direct current converter station is by alternating-current field, connection district, the valve Room and DC fields region composition, wherein connecting district is the region connecting alternating-current field power distribution equipment and the valve Room in flexible direct current converter station, the valve Room is the place of placing converter valve in flexible direct current converter station, described converter valve is divided into positive pole, negative pole two converter valve groups, each converter valve group comprises A phase, B phase, C phase three brachium pontis, it is characterized in that described positive pole, the brachium pontis arrangement of negative pole converter valve group is interlaced arrangement mode, order of placement is: positive pole A phase brachium pontis-negative pole A phase brachium pontis-positive pole B phase brachium pontis-negative pole B phase brachium pontis-positive pole C phase brachium pontis-negative pole C phase brachium pontis.
2. the method for arranging of flexible direct current converter station connection district according to claim 1 and valve Room power distribution equipment, is characterized in that described valve Room DC side bus rod utilizes the height in the valve Room to adopt vertical interlaced to arrange; Cancel the layout of connection district's brachium pontis reactance bus rod simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410156744.2A CN103986152B (en) | 2014-04-18 | 2014-04-18 | The method for arranging of flexible direct current converter station connection district and valve Room power distribution equipment |
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| CN201410156744.2A CN103986152B (en) | 2014-04-18 | 2014-04-18 | The method for arranging of flexible direct current converter station connection district and valve Room power distribution equipment |
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| CN103986152A CN103986152A (en) | 2014-08-13 |
| CN103986152B true CN103986152B (en) | 2016-04-27 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033935B (en) * | 2015-03-19 | 2018-07-20 | 南京南瑞继保电气有限公司 | A kind of flexible direct current transmission converter valve valve tower |
| CN104953860B (en) * | 2015-07-09 | 2018-01-16 | 中国海洋石油总公司 | A kind of container-type flexible direct current change of current valve gear |
| CN105469162B (en) * | 2015-11-25 | 2019-04-26 | 国网内蒙古东部电力有限公司检修分公司 | A kind of ultra-high voltage converter station electromagnetic interference prediction technique and system |
| CN111416376B (en) * | 2020-03-13 | 2021-09-07 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Voltage balancing method for extra-high voltage flexible direct-current constant active power MMC converter station |
| CN111327069B (en) * | 2020-04-21 | 2024-04-02 | 中国电建集团福建省电力勘测设计院有限公司 | Alternating current energy consumption device in flexible-direct engineering |
| CN112636611B (en) * | 2020-12-22 | 2022-05-31 | 中国电力工程顾问集团中南电力设计院有限公司 | Offshore flexible direct current converter station valve hall arrangement structure and size calculation method thereof |
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|---|---|---|---|---|
| CN101297456A (en) * | 2006-01-18 | 2008-10-29 | Abb技术有限公司 | A converter station |
| CN201966610U (en) * | 2011-03-22 | 2011-09-07 | 中国电力工程顾问集团西南电力设计院 | Current conversion device of direct current converter station with novel arranging structure |
| CN202731349U (en) * | 2012-09-09 | 2013-02-13 | 中国能源建设集团广东省电力设计研究院 | Equal-column-space composite structure for high-end valve halls of converter stations |
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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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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101297456A (en) * | 2006-01-18 | 2008-10-29 | Abb技术有限公司 | A converter station |
| CN201966610U (en) * | 2011-03-22 | 2011-09-07 | 中国电力工程顾问集团西南电力设计院 | Current conversion device of direct current converter station with novel arranging structure |
| CN202731349U (en) * | 2012-09-09 | 2013-02-13 | 中国能源建设集团广东省电力设计研究院 | Equal-column-space composite structure for high-end valve halls of converter stations |
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Address after: No. 68 GUCUI Road, Hangzhou, Zhejiang Province Patentee after: Energy source in China construction group Zhejiang Province Power Design Institute Co., Ltd Address before: No. 68 GUCUI Road, Hangzhou, Zhejiang Province Patentee before: Zhejiang Electric Power Design Institute |