CN103986152A - Method for arranging connecting area and valve hall power distribution unit of flexible DC converter station - Google Patents
Method for arranging connecting area and valve hall power distribution unit of flexible DC converter station Download PDFInfo
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- CN103986152A CN103986152A CN201410156744.2A CN201410156744A CN103986152A CN 103986152 A CN103986152 A CN 103986152A CN 201410156744 A CN201410156744 A CN 201410156744A CN 103986152 A CN103986152 A CN 103986152A
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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
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- 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 invention discloses a method for arranging a connecting area and a valve hall power distribution unit of a flexible DC converter station. The flexible DC converter station is composed of an AC field, the connecting area, a valve hall and a DC field area. The connecting area is an area where an AC field power distribution unit and the valve hall are connected in the flexible DC converter station. The valve hall is a place used for storing a converter valve in the flexible DC converter station, the converter valve is divided into a positive electrode converter valve set and a negative electrode converter valve set, and each converter valve set comprises an A-phase bridge arm, a B-phase bridge arm and a C-phase bridge arm. The arrangement form of the bridge arms of the positive electrode converter valve set and the negative electrode converter valve set is a staggered arrangement form. According to the arrangement sequence, the positive electrode A-phase bridge arm, the negative electrode A-phase bridge arm, the positive electrode B-phase bridge arm, the negative electrode B-phase bridge arm, the positive electrode C-phase bridge arm and the negative electrode C-phase bridge arm are sequentially arranged. DC bus rods of the valve hall power distribution unit are vertically arranged in a staggered mode through the height of the valve hall, and meanwhile the arrangement of bridge arm electric reactance bus rods in the connecting area is eliminated. Compared with a conventional arrangement scheme, on the basis that the occupied area of the valve hall is not increased, arrangement of the power distribution unit in the connecting area is simplified, the occupied land of the connecting area is saved, the land utilization rate is improved, universality and flexibility are high, and comprehensive benefits are 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 the He Fa Room, district 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 based on all-controlling power electronics device composition forms.Flexible DC power transmission system can independently change phase place and the amplitude of its output voltage, thereby regulates easily and quickly the meritorious and reactive power of its output.Improving stability of power system, increase system dynamic reactive-load deposit, improve the quality of power supply, solve nonlinear-load, the impact of impact load on system, ensure that the aspects such as sensitive equipment power supply all have stronger technical advantage, be specially adapted to regenerative resource grid-connected, distributed power generation is grid-connected, isolated island power supply, the aspects such as large size city mains supply, and be easy to expansion and form multiterminal DC network, can to connected AC system, provide urgent power support fast more neatly, 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 DC power transmission system, and it has played the effect that connects flexible direct current system and AC system.Flexible direct current converter station, by alternating-current field, connects district, and the regions such as the valve Room and DC fields form.
Connecting district is the region that connects 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, two converter valve groups of negative pole, and each converter valve group comprises A phase, B phase, C three brachium pontis mutually, and converter valve tower generally adopts brace type structure, also can adopt suspension type structure.
Power distribution equipment is the general name that can control, accept and distribute the electric device of electric energy.It is complete in function, comprises the electric equipment that possesses various functions, as secondary devices such as bus rod, circuit breaker, isolating switch, reactor, lightning arrester, instrument transformer, cable and measuring instruments.
Connect district's power distribution equipment mainly by 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, forms, connect district's power distribution equipment one side through brachium pontis reactor, valve Room AC wall bushing is connected with valve Room power distribution equipment, and opposite side, through earthing device, connects change side wall bushing and is connected with connection transformer.
Valve Room power distribution equipment is mainly by converter valve, DC side wall bushing, and 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 passes through ac-side current instrument transformer successively, AC earthed switch, after AC wall bushing, be connected with connection district power distribution equipment, valve Room power distribution equipment DC side is passed through DC side bus rod successively, 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: anodal A phase brachium pontis-anodal B phase brachium pontis-anodal 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 being connected with valve Room AC needs to arrange respectively brachium pontis reactance bus rod.
Be illustrated in figure 1 conventional a kind of connection district He Fa Room power distribution equipment plane graph of arranging, it adopts the method for valve group brachium pontis centralized arrangement, the valve Room is anodal, the brachium pontis of two converter valve groups of negative pole adopts centralized arrangement, order of placement is: anodal A phase brachium pontis-anodal B phase brachium pontis-anodal C phase brachium pontis-negative pole C phase brachium pontis-negative pole B phase brachium pontis-negative pole A phase brachium pontis, and 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, does not have staggered 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 bus rod need to be set and conflux, 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 provide a kind of improved, can significantly reduce flexible direct current converter station floor space, have compared with the method for arranging of connection district, the flexible direct current converter station valve Room power distribution equipment of high universalizable and flexibility.
The present invention completes by following technical solution, a kind of flexible direct current converter station connects the method for arranging of the He Fa Room, district 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: anodal A phase brachium pontis-negative pole A phase brachium pontis-anodal B phase brachium pontis-negative pole B phase brachium pontis-anodal 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 of 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 according to the change of converter valve group interlaced arrangement mode, cancels and connects district's brachium pontis reactance bus rod.
The invention has the beneficial effects as follows:
(1) compare with valve group brachium pontis centralized arrangement, the present invention, be that valve group brachium pontis interlaced arrangement cancel to connect district's brachium pontis reactance bus rod, do not increasing on the basis of valve Room floor space, simplified the power distribution equipment layout that connects district, saved connection district and taken up an area, improved land utilization ratio, comprehensive benefit is remarkable.
(2) versatility of the present invention and flexibility are stronger, compare with conventional art, can be in the situation that need not change the arrangement that connects the He Fa Room, district power distribution equipment, the positive-negative polarity that only can meet valve Room DC side by 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 the conventional He Fa Room, the connection district power distribution equipment floor plan of arranging.
Fig. 2 is connection of the present invention district He Fa Room power distribution equipment floor plan.
Wherein in Fig. 1, label 1 is for connecting 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:
Shown in Fig. 2, be that flexible direct current converter station of the present invention is by alternating-current field, connect district, the valve Room and DC fields region form, wherein connecting district is the region that connects 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 of placing in flexible direct current converter station described in the place of converter valve is mainly comprised 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, two converter valve groups of negative pole, and each converter valve group comprises A phase, B phase, C three brachium pontis mutually; 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: anodal A phase brachium pontis-negative pole A phase brachium pontis-anodal B phase brachium pontis-negative pole B phase brachium pontis-anodal C phase brachium pontis-negative pole C phase brachium pontis, and as shown in label in Fig. 24.
The optimization that described valve Room DC side bus rod is arranged, is the height condition of 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 according to the change of converter valve group interlaced arrangement mode, cancels and connects district's brachium pontis reactance bus rod.
Embodiment:
As shown in Figure 2, brachium pontis anodal, two converter valve groups of negative pole adopt interlaced arrangement, and order of placement is: anodal A phase brachium pontis-negative pole A phase brachium pontis-anodal B phase brachium pontis-negative pole B phase brachium pontis-anodal 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, has simplified the electric connection that connects district.The present invention program's connection district 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 that converter valve is arranged, valve Room DC side bus rod is arranged, connects district's brachium pontis reactance bus rod layout.
The optimization of described converter valve arrangement, be to change brachium pontis arrangement anodal, negative pole converter valve group into interlaced arrangement mode, order of placement is: anodal A phase brachium pontis-negative pole A phase brachium pontis-anodal B phase brachium pontis-negative pole B phase brachium pontis-anodal 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 of utilizing the valve Room, and valve Room DC side bus rod adopts vertical interlaced to arrange.
The optimization that brachium pontis reactance bus rod in described connection district is arranged, is according to the change of converter valve group interlaced arrangement mode, cancels and connects district's brachium pontis reactance bus rod.
The flexible direct current converter station connection He Fa Room, district power distribution equipment versatility and flexibility be taken up an area, be improved to the present invention can by saving equipment, and comprehensive benefit is remarkable.
The present invention has applied specific case principle of the present invention and execution mode has been set forth, and the explanation of above embodiment is just for helping to understand method of the present invention and core concept; This partial content should not be construed as limitation of the present invention.
Claims (2)
1. a flexible direct current converter station connects the method for arranging of the He Fa Room, district power distribution equipment, described flexible direct current converter station is by alternating-current field, connect district, the valve Room and DC fields region form, wherein connecting district is the region that connects 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, two converter valve groups of negative pole, each converter valve group comprises A phase, B phase, C is three brachium pontis mutually, 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: anodal A phase brachium pontis-negative pole A phase brachium pontis-anodal B phase brachium pontis-negative pole B phase brachium pontis-anodal C phase brachium pontis-negative pole C phase brachium pontis.
2. flexible direct current converter station according to claim 1 connects the method for arranging of the He Fa Room, district power distribution equipment, it 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 that connects 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 true CN103986152A (en) | 2014-08-13 |
| CN103986152B CN103986152B (en) | 2016-04-27 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953860A (en) * | 2015-07-09 | 2015-09-30 | 中国海洋石油总公司 | Container type flexible direct-current converter valve device |
| CN105469162A (en) * | 2015-11-25 | 2016-04-06 | 国网内蒙古东部电力有限公司检修分公司 | Extra-high voltage converter station electromagnetic interference prediction method and system |
| CN106033935A (en) * | 2015-03-19 | 2016-10-19 | 南京南瑞继保电气有限公司 | Flexible DC power transmission converter valve tower |
| CN111327069A (en) * | 2020-04-21 | 2020-06-23 | 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 gentle straight engineering |
| CN111416376A (en) * | 2020-03-13 | 2020-07-14 | 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 |
| CN112636611A (en) * | 2020-12-22 | 2021-04-09 | 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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| US20030235026A1 (en) * | 2002-06-25 | 2003-12-25 | Mathias Anheuer | Compact converter station |
| 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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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030235026A1 (en) * | 2002-06-25 | 2003-12-25 | Mathias Anheuer | Compact converter station |
| 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 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033935A (en) * | 2015-03-19 | 2016-10-19 | 南京南瑞继保电气有限公司 | Flexible DC power transmission converter valve tower |
| 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 |
| CN104953860A (en) * | 2015-07-09 | 2015-09-30 | 中国海洋石油总公司 | Container type flexible direct-current converter valve device |
| 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 |
| CN105469162A (en) * | 2015-11-25 | 2016-04-06 | 国网内蒙古东部电力有限公司检修分公司 | Extra-high voltage converter station electromagnetic interference prediction method and system |
| 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 |
| CN111416376A (en) * | 2020-03-13 | 2020-07-14 | 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 |
| CN111327069A (en) * | 2020-04-21 | 2020-06-23 | 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 gentle straight engineering |
| 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 |
| CN112636611A (en) * | 2020-12-22 | 2021-04-09 | 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 |
| 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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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 |
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