CN203839946U - Arrangement structure of linking area and valve hall distribution devices of flexible direct current converter station - Google Patents
Arrangement structure of linking area and valve hall distribution devices of flexible direct current converter station Download PDFInfo
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- CN203839946U CN203839946U CN201420189824.3U CN201420189824U CN203839946U CN 203839946 U CN203839946 U CN 203839946U CN 201420189824 U CN201420189824 U CN 201420189824U CN 203839946 U CN203839946 U CN 203839946U
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- brachium pontis
- valve
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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
Provided is an arrangement structure of linking area and valve hall distribution devices of a flexible direct current converter station. The flexible direct current converter station is composed of an alternating current field, a linking area, a valve hall and a direct current field area, wherein the linking area is an area linking an alternating current field distribution device and the valve hall in the flexible direct current converter station, the valve hall is a field for placing converting valves in the flexible direct current converter station, the converting valves are divided into two converting valve groups which refer to an anode converting valve group and a cathode converting valve group, each converting valve group comprises three bridge arms which refer to A phase, B phase and C phase, bridge arm arrangement structures of the anode converting valve group and the cathode converting valve group are arranged in a staggered manner, and the arrangement sequence is as follows: an anode A phase bridge arm, a cathode A phase bridge arm, an anode B phase bridge arm, a cathode B phase bridge arm, an anode C phase bridge arm, and a cathode C phase bridge arm. A direct current busbar of the valve hall distribution device employs the height of the valve hall and is vertically arranged in a staggered manner, and the arrangement of a reactive busbar of bridge arms of the linking area is cancelled; compared with the conventional arrangement scheme, the occupation area of the valve hall is not increased, the arrangement of the linking area distribution device is simplified, the land occupation of the linking area is reduced, the land utilization rate is increased, the universality and the flexibility are high, and the comprehensive benefit is substantial.
Description
Technical field
The utility model relates to the arrangement that a kind of flexible direct current converter station connects the He Fa Room, district power distribution equipment, be 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 provide urgent power support fast to connected AC system 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, the region compositions such as the valve Room and DC fields.
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, composition, 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, 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 composition.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 structure 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 one of arranging and connect the He Fa Room, district power distribution equipment plane graph, it adopts valve group brachium pontis centralized arrangement, the brachium pontis of valve Room positive pole, 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.
Utility model content
The purpose of this utility model 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 arrangement of connection district, the flexible direct current converter station valve Room power distribution equipment of high universalizable and flexibility.
The utility model completes by following technical solution, a kind of flexible direct current converter station connects the arrangement 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 composition, 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 of negative pole converter valve group is arranged and is adopted interlaced arrangement structure, its 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 beneficial effects of the utility model are:
(1) compared with valve group brachium pontis centralized arrangement, the utility model, i.e. valve group brachium pontis interlaced arrangement cancellation connect district's brachium pontis reactance bus rod, do not increasing on the basis of valve Room floor space, simplify 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) the utility model versatility and flexibility are stronger, compare with conventional art, can be in the case of changing the arrangement that connects the He Fa Room, district power distribution equipment, only can meet the positive-negative polarity exchange of valve Room DC side by the line between reconfiguration power distribution equipment, 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.
Brief description of the drawings
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 utility model 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 utility model is described in detail: shown in Fig. 2, be that flexible direct current converter station described in the utility model is by alternating-current field, connect district, the valve Room and DC fields region composition, 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 in flexible direct current converter station, to place valve Room power distribution equipment described in the place of converter valve mainly by 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 composition, 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, positive pole described in Fig. 2, 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, 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.Connection of the present utility model district is of a size of 37.5m × 42m, and the valve Room is of a size of 52.5m × 42m.
The utility model 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 utility model can take up an area, improve the flexible direct current converter station connection He Fa Room, district power distribution equipment versatility and flexibility by saving equipment, and comprehensive benefit is remarkable.
The utility model has been applied specific case principle of the present utility model and execution mode has been set forth, and the explanation of above embodiment is just for helping to understand method of the present utility model and core concept; This partial content should not be construed as restriction of the present utility model.
Claims (2)
1. the arrangement of the flexible direct current converter station connection He Fa Room, a district power distribution equipment, described flexible direct current converter station is by alternating-current field, connect district, the valve Room and DC fields region composition, 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 of negative pole converter valve group is arranged and is adopted interlaced arrangement structure, its 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 arrangement 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 now connects district's brachium pontis reactance bus rod simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189824.3U CN203839946U (en) | 2014-04-18 | 2014-04-18 | Arrangement structure of linking area and valve hall distribution devices of flexible direct current converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189824.3U CN203839946U (en) | 2014-04-18 | 2014-04-18 | Arrangement structure of linking area and valve hall distribution devices of flexible direct current converter station |
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| CN203839946U true CN203839946U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420189824.3U Expired - Fee Related CN203839946U (en) | 2014-04-18 | 2014-04-18 | Arrangement structure of linking area and valve hall distribution devices of flexible direct current converter station |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586593A (en) * | 2019-01-30 | 2019-04-05 | 国网冀北电力有限公司经济技术研究院 | Valve hall and converter station |
| CN109672208A (en) * | 2019-02-15 | 2019-04-23 | 国网冀北电力有限公司经济技术研究院 | Flexible direct current current converter and system |
| 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 |
| CN112510745A (en) * | 2020-09-16 | 2021-03-16 | 中国电建集团华东勘测设计研究院有限公司 | Flexible direct current offshore converter station with 66kV current collection line access |
-
2014
- 2014-04-18 CN CN201420189824.3U patent/CN203839946U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586593A (en) * | 2019-01-30 | 2019-04-05 | 国网冀北电力有限公司经济技术研究院 | Valve hall and converter station |
| CN109586593B (en) * | 2019-01-30 | 2024-05-03 | 国网冀北电力有限公司经济技术研究院 | Valve hall and converter station |
| CN109672208A (en) * | 2019-02-15 | 2019-04-23 | 国网冀北电力有限公司经济技术研究院 | Flexible direct current current converter and system |
| CN109672208B (en) * | 2019-02-15 | 2024-03-26 | 国网冀北电力有限公司经济技术研究院 | Flexible direct current converter device and system |
| 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 |
| CN112510745A (en) * | 2020-09-16 | 2021-03-16 | 中国电建集团华东勘测设计研究院有限公司 | Flexible direct current offshore converter station with 66kV current collection line access |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20150418 |
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| EXPY | Termination of patent right or utility model |