CN209217728U - A kind of route of 750kV series compensation power distribution equipment draws binding structure - Google Patents
A kind of route of 750kV series compensation power distribution equipment draws binding structure Download PDFInfo
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- CN209217728U CN209217728U CN201822259798.8U CN201822259798U CN209217728U CN 209217728 U CN209217728 U CN 209217728U CN 201822259798 U CN201822259798 U CN 201822259798U CN 209217728 U CN209217728 U CN 209217728U
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses a kind of routes of 750kV series compensation power distribution equipment to draw binding structure, the first downlead and the second downlead including being separately positioned on a base angle tower two sides；First downlead and the second downlead cover thread casing with the line side GIL string respectively and the line side GIL string is mended outlet casing tube and connect；String recruit electric installation be separately connected GIL string mend side string cover thread casing and GIL string mend side string mend outlet casing tube；String recruits the side that a base angle tower transmission line of electricity is arranged in electric installation；The string of enlarging recruits electric installation and separates with existing angle tower, and occupied area is small, reduces land expropriation cost, economizes the land resource；Not by charging operation line influence when construction, can substantially compress since enlarging string recruits the line outage time caused by electric installation；Wiring is succinct, takes full advantage of the angle tower on former working line, and string recruits extraction no setting is required the special outlet structure of electric installation, greatly reduces engineering steel amount, has saved the investment of engineering.
Description
Technical field
The utility model belongs to substation, string mends station technical field, and in particular to a kind of 750kV series compensation power distribution equipment
Route draw binding structure.
Background technique
Along with the fast development of Chinese national economy, the power industry in China is also rapidly developed, and domestic electrical rack is built
If quickly.Ended for the end of the year 2013,75, the Northwest's the whole network 750kV route, total length is about 12731.235km, 750kV power transformation
Institute 26, main transformer capacity 65000MVA.The first passage that current country's 750kV power grid is sent out in 750kV exchange super-pressure Xinjiang
AC power transmission and transformation project (Jinchang~Jiuquan~Anxi transmission line of electricity) and the second channel sent out of exchange super-pressure Xinjiang
AC power transmission and transformation project (Qaidam~Hai Xi~Sun-Moon Mountain transmission line of electricity) has 750kV series compensation with Denso in preconsolidation stress
It sets.
In recent years, the wind-powered electricity generation, photovoltaic of the Northwest are quickly grown, and online demand increasingly increases, so that existing 750kV is electric
The transmission capacity and level of stability of net receive serious test.To solve this problem, 750kV route in part need to install series connection
Power distribution equipment is compensated, according to system situation, series compensation power distribution equipment can build or be separately provided series compensation station jointly with substation；
The arrangement that traditional gate framework string of other domestic voltage class recruits electric installation is applied to enlarging series compensation with Denso
Not only land requisition index is big on the route set, but also requires the power off time of former working line long in enlarging, is not able to satisfy existing
The production run requirement of route.It is connect therefore, it is necessary to which the arrangement and route when extending to 750kV series compensation power distribution equipment are drawn
Design scheme carries out improvement design, and the construction, investment and operation that achievement recruits electric installation extension project to 750kV string will tools
It is of great importance.
Utility model content
To solve the above problems, the route that the utility model provides a kind of 750kV series compensation power distribution equipment draws binding structure,
The effectively save occupied area of energy, construction investment also solve the problem that and need former fortune when recruiting electric installation scheme using traditional enlarging string
The problem of row line has a power failure for a long time.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of 750kV series compensation power distribution equipment
Route draws binding structure, the first downlead and the second downlead, the line side GIL string including being separately positioned on a base angle tower two sides
Cover thread casing, GIL string benefit side string covers thread casing, GIL string mends side string benefit outlet casing tube, the line side GIL string mends outlet casing tube
And string recruits electric installation,
First downlead covers thread casing with the line side GIL string and connect；Second downlead and the line side GIL string mend lead collar
Pipe connection；The line side GIL string covers thread casing connection GIL string benefit side string and covers thread casing, and GIL string is mended side string benefit outlet casing tube and connected
It connects the line side GIL string and mends outlet casing tube；String recruit electric installation be separately connected GIL string mend side string cover thread casing and GIL string mend side
String mends outlet casing tube；String recruits the side that a base angle tower transmission line of electricity is arranged in electric installation.
The line side GIL string cover thread casing and GIL string mend side string cover between thread casing by GIL string mend side go here and there cover line
Pipeline connection；
GIL string mends side string benefit access duct and is provided with more piece.
GIL string benefit side string mends outlet casing tube and the line side GIL goes here and there to mend and mends side string benefit outlet by GIL string between outlet casing tube
Pipeline connection.
GIL string mends side string benefit outlet pipeline and is provided with more piece.
The distance between first downlead and the second downlead are not less than 50 meters.
The lower end of first downlead and the second downlead is not less than 13m at a distance from ground.
Compared with prior art, the utility model at least has the advantages that the utility model from angle tower two sides
Line conductor make downlead to GIL casing and traditional gate framework arrangement respectively and compare and can substantially compression strings recruit
Electric installation region occupied area reduces land expropriation cost, economizes the land resource；String is recruited electric installation to draw by GIL pipeline, is gone here and there
Recruiting electric installation may be arranged on the outside of former route, therefore when enlarging string recruits electric installation construction, not interfere with former operation
Route；After the completion of going here and there and recruiting electric installation construction, the route of angle tower two sides is drawn using the line maintenance time and is connected to GIL casing
It can restore the normal production of route；More traditional string, which recruits electric installation arrangement, can substantially compress since enlarging string recruits electricity
The line outage time caused by device；It, can be according to system position and site contour in Practical Project using GIL pipe arrangement
It arranges that string recruits electric installation, can be built jointly with original substation, string can also be separately provided and mend station, flexible arrangement is high；Sufficiently
Using the angle tower on former working line, string recruits extraction no setting is required the special outlet structure of electric installation, is significantly reduced
Engineering steel amount, has saved the construction investment of engineering.
Detailed description of the invention
Fig. 1 is the utility model schematic top plan view.
Fig. 2 is angle tower wiring sectional schematic diagram.
In attached drawing, mono- base angle tower of 1-, 2- wire jumper, 3- string benefit station inlet wire, the first downlead of 4-, the line side 5-GIL string benefit
Entrance bushing, 6-GIL string mend side string and mend access duct, and 7-GIL string mends side string and covers thread casing, and 8- string recruits electric installation, 9-GIL
String mends side string and mends outlet casing tube, and 10-GIL string mends side string and mends outlet pipeline, and the line side 11-GIL string mends outlet casing tube, 12- second
Downlead, 13- string mend station outlet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art do not make creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Applicant recruits in an enlarging 750kV string and devises new route in electric installation engineering and draw binding structure, the scheme
Using a base angle tower of original working line, generally the first Ji Ta of substation's outlet, 1 two sides of a base angle tower are unlocked
Wire jumper 2 is connected to lower section string from the first downlead 4 of route of 1 two sides of a base angle tower and the second downlead 12 respectively and recruits
On the GIL casing that electric installation 8 connects, realize that string recruits the connection of electric installation Yu original working line by GIL casing；It is described
GIL casing includes that the line side GIL string covers thread casing 5, GIL string benefit side string covers thread casing 7, GIL string mends side string benefit lead collar
Pipe 9 and the line side GIL string mend outlet casing tube 11.
The string of enlarging recruits electric installation 8 and arranges near angle tower nearby, can build jointly with former substation, string can also be separately provided
Station is mended, the layout pattern that string recruits electric installation 8 is unrestricted；It includes string portion platform, bypass open circuit that the string of enlarging, which recruits electric installation,
Device, ancillary equipment, series connection disconnecting switch, bypass isolating switch, arrester and voltage transformer.
It eliminates traditional string and recruits the gate framework that the outlet of electric installation 8 need to be arranged, string recruits the inlet-outlet line of electric installation 8
Directly draw the underface for being connected to former working line using GIL pipeline, line voltage mutual inductor and arrester are arranged in string nearby and mend
Power distribution equipment region；The GIL pipeline include GIL string mend side string mend access duct 6 and GIL string mend side string mend outlet pipeline 10.
A kind of route of 750kV series compensation power distribution equipment draws binding structure, including is separately positioned on 1 two sides of a base angle tower
The first downlead 4 and the second downlead 12, the line side GIL string cover thread casing 5, GIL string mend side string cover thread casing 7, GIL
String benefit side string mends outlet casing tube 9, the line side GIL string is mended outlet casing tube 11 and gone here and there and recruits electric installation 8, the first downlead 4 and GIL
Line side string covers the connection of thread casing 5；Second downlead 12 is mended outlet casing tube 11 with the line side GIL string and is connect；The line side GIL string
It covers the connection GIL string benefit of thread casing 5 side string and covers thread casing 7, GIL string benefit side string benefit outlet casing tube 9 connects the line side GIL string benefit
Outlet casing tube 11；String recruit electric installation 8 be separately connected GIL string mend side string cover thread casing 7 and GIL string mend side string mend outlet casing tube
9；String recruits the side that 1 transmission line of electricity of a base angle tower is arranged in electric installation 8；First downlead 4 connection string mends station inlet wire 3, the
Two downleads 12 connection string mends station outlet 13.
The line side GIL string cover thread casing 5 and GIL string mend side string cover between thread casing 7 by GIL string mend side go here and there cover
Spool road 6 connects；GIL string mends side string benefit access duct 6 and is provided with more piece.
GIL string benefit side string mends outlet casing tube 9 and the line side GIL goes here and there to mend and mends side string benefit by GIL string between outlet casing tube 11
Outlet pipeline 10 connects；GIL string mends side string benefit outlet pipeline 10 and is provided with more piece.
As shown in Fig. 2, the distance between the first downlead 4 and the second downlead 12 are not less than 50 meters；First downlead, 4 He
The lower end of second downlead 12 is not less than 13m at a distance from ground；String recruits the level between electric installation and the first downlead 4
Distance can be adjusted flexibly according to concrete engineering demand.
String recruit series compensation platform in electric installation 8, bypass breaker, ancillary equipment, series connection disconnecting switch, bypass every
Leave the side that pass, arrester and voltage transformer are arranged at angle tower.
As shown in Figure 1, the route that the string that the utility model gives enlarging 750kV recruits electric installation 8 draws the reality of binding structure
Example is applied, it can be seen from the figure that embodiment is to have extended two and return back out line string to recruit electric installation, this enlarging, which is gone here and there, to be recruited electric installation 8 and exist
Original has run to draw at a base angle tower 1 of substation's outlet and connect and substation builds jointly；The 750kV string of enlarging recruits electric installation cloth
It sets in the side of outlet angle tower route, is close to original and has run substation, not with former outlet crossing elimination, go here and there and recruit electric installation 8
Inlet-outlet line draw the underface for being connected to 1 two sides of a base angle tower by 750kV GIL pipeline used for transmission line；The string of enlarging recruits
Electric installation constructs Shi Yuyuan route distance farther out, does not influence the normal operation production of former route, including GIL pipeline immediately below route
Outlet casing tube installation can also be charged after construction organization；After the installation is completed to all equipment, corner is unlocked in line outage
Two sides difference lead can restore the operation of former route to GIL casing after the wire jumper of tower connection two sides route.
By above-mentioned analysis it can be concluded that, using at route angle tower GIL pipeline draw the string connect to recruit electric installation novel
Structure occupied area is small, enlarging when do not influence former route operation, power off time is greatly decreased, more coordinates with route cooperation, runs
Maintenance is more convenient and arranges more flexible, can apply in engineering；It and is the power distribution equipment design of enlarging series compensation power distribution equipment
Arrangement provides a new optimal solution.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, and these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of route of 750kV series compensation power distribution equipment draws binding structure, which is characterized in that turn including being separately positioned on a base
First downlead (4) and the second downlead (12), the line side GIL string of turret (1) two sides cover thread casing (5), GIL string mends side
String covers thread casing (7), GIL string mends side string benefit outlet casing tube (9), the line side GIL string mends outlet casing tube (11) and string recruits
Electric installation (8),
First downlead (4) covers thread casing (5) with the line side GIL string and connect；Second downlead (12) and the line side GIL string are mended
Outlet casing tube (11) connection；The line side GIL string covers thread casing (5) connection GIL string benefit side string and covers thread casing (7), and GIL string is mended
Side string mends outlet casing tube (9) connection line side GIL string and mends outlet casing tube (11)；String recruits electric installation (8) and is separately connected GIL string benefit
Side string covers thread casing (7) and GIL string mends side string and mends outlet casing tube (9)；String recruits electric installation (8) and is arranged in a base angle tower
(1) side of transmission line of electricity.
2. the route of 750kV series compensation power distribution equipment according to claim 1 draws binding structure, which is characterized in that GIL line
Trackside string covers thread casing (5) and GIL string benefit side string covers to go here and there between thread casing (7) by GIL and mends side string benefit access duct (6)
Connection.
3. the route of 750kV series compensation power distribution equipment according to claim 2 draws binding structure, which is characterized in that GIL string
It mends side string benefit access duct (6) and is provided with more piece.
4. the route of 750kV series compensation power distribution equipment according to claim 1 draws binding structure, which is characterized in that GIL string
Benefit side string mends outlet casing tube (9) and the line side GIL goes here and there to mend and mends side string benefit outlet pipeline by GIL string between outlet casing tube (11)
(10) it connects.
5. the route of 750kV series compensation power distribution equipment according to claim 4 draws binding structure, which is characterized in that GIL string
It mends side string benefit outlet pipeline (10) and is provided with more piece.
6. the route of 750kV series compensation power distribution equipment according to claim 1 draws binding structure, which is characterized in that first
The distance between downlead (4) and the second downlead (12) are not less than 50 meters.
7. the route of 750kV series compensation power distribution equipment according to claim 1 draws binding structure, which is characterized in that first
The lower end of downlead (4) and the second downlead (12) is not less than 13m at a distance from ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822259798.8U CN209217728U (en) | 2018-12-29 | 2018-12-29 | A kind of route of 750kV series compensation power distribution equipment draws binding structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822259798.8U CN209217728U (en) | 2018-12-29 | 2018-12-29 | A kind of route of 750kV series compensation power distribution equipment draws binding structure |
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| CN209217728U true CN209217728U (en) | 2019-08-06 |
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| CN201822259798.8U Active CN209217728U (en) | 2018-12-29 | 2018-12-29 | A kind of route of 750kV series compensation power distribution equipment draws binding structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494760A (en) * | 2018-12-29 | 2019-03-19 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of route of 750kV series compensation power distribution equipment draws binding structure |
| RU2813005C1 (en) * | 2023-08-18 | 2024-02-06 | федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") | METHOD OF POWER SUPPLY TO CONSUMERS IN CASE OF DAMAGE TO PHASE OF 110 kV ELECTRICAL NETWORK |
-
2018
- 2018-12-29 CN CN201822259798.8U patent/CN209217728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494760A (en) * | 2018-12-29 | 2019-03-19 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of route of 750kV series compensation power distribution equipment draws binding structure |
| CN109494760B (en) * | 2018-12-29 | 2024-03-26 | 中国电力工程顾问集团西北电力设计院有限公司 | Line guiding structure of 750kV series compensation power distribution device |
| RU2813005C1 (en) * | 2023-08-18 | 2024-02-06 | федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") | METHOD OF POWER SUPPLY TO CONSUMERS IN CASE OF DAMAGE TO PHASE OF 110 kV ELECTRICAL NETWORK |
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