CN204243481U - A kind of 1000kV high-resistance loop column pipe parent structure - Google Patents
A kind of 1000kV high-resistance loop column pipe parent structure Download PDFInfo
- Publication number
- CN204243481U CN204243481U CN201420765300.4U CN201420765300U CN204243481U CN 204243481 U CN204243481 U CN 204243481U CN 201420765300 U CN201420765300 U CN 201420765300U CN 204243481 U CN204243481 U CN 204243481U
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- Prior art keywords
- pipe
- resistance loop
- parent structure
- framework
- main truss
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
Abstract
The utility model provides a kind of 1000kV high-resistance loop column pipe parent structure, comprise high-voltage shunt reactor, voltage transformer, lightning arrester, GIS device, main truss and pipe female and from framework, described pipe mother is suspended in main truss and between framework, and respectively with main truss, insulating from framework is connected, described high-voltage shunt reactor, voltage transformer, lightning arrester and GIS device are electrically connected with pipe mother respectively by drawing lower wire.Adopt the utility model can reduce the use amount of pipe mother, dramatically reduce the interaction force under the such as sharp pounding state such as earthquake between high-voltage shunt reactor, voltage transformer, lightning arrester or GIS device and pipe mother, and, the problem of the active force that also do not interconnect between high-voltage shunt reactor, voltage transformer, lightning arrester, these four component equipments of GIS device interference, thus effectively improve the anti-seismic performance of 1000kV high-resistance loop, and there is good economic benefit.
Description
Technical field
The utility model relates to high-resistance loop technical field of structures in UHV transmission, especially relates to a kind of 1000kV high-resistance loop column pipe parent structure.
Background technology
Current extra-high-voltage alternating current 1000kV transformer station normally builds in 7 degree and following earthquake intensity area, 1000kV outlet high-resistance loop wherein generally includes high-voltage shunt reactor and (is called for short " high resistance ", down together), these four component equipments of voltage transformer, lightning arrester and GIS device, high resistance is electrically connected by the pipe mother that high resistance bushing and hardness are large, pipe mother is electrically connected with voltage transformer, lightning arrester more respectively, therefore, a Hard link structure has directly been connected into by pipe mother between equipment.The shortcoming of this hard connecting mode is adopted to be:
First, carry out designing with suiting measures to local conditions because the installing space between equipment needs to consider the on-site landform of 1000kV transformer station, if the spacing between equipment is large, and be directly connect by pipe is female between equipment, therefore, the pipe mother needed for 1000kV outlet high-resistance loop may be caused to need segment design, and this is unfavorable for the fail safe, the reliability that ensure 1000kV outlet high-resistance loop entirety.
The second, because the female hardness of pipe is large, the relative position between making by the female equipment directly connected of pipe is fixed, if there is strenuous vibration situation, such as, when there is earthquake, will cause between equipment and produce larger interaction force.Although GIS device (containing GIS outlet casing tube), lightning arrester, voltage transformer, these four component equipments of high resistance (containing high resistance bushing) can meet 0.4g respectively, (g is wherein acceleration of gravity, shockproof requirements down together), but, owing to directly being connected by the pipe mother that hardness is large between these component equipments, therefore, when violent earthquake, interaction force larger between equipment may cause device damage, make whole high-resistance loop at a standstill, thus cause huge economic loss.
Utility model content
The technical problems to be solved in the utility model is: for prior art Problems existing, provides a kind of 1000kV high-resistance loop column pipe parent structure, improves the shock resistance of 1000kV outlet high-resistance loop.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of 1000kV high-resistance loop column pipe parent structure, comprise high-voltage shunt reactor, voltage transformer, lightning arrester, GIS device, main truss and pipe female and from framework, described pipe mother is suspended in main truss and between framework, and respectively with main truss, insulating from framework is connected, described high-voltage shunt reactor, voltage transformer, lightning arrester and GIS device are electrically connected with pipe mother respectively by drawing lower wire.
Preferably, describedly insulate from framework be connected by suspension insulator and pipe mother.
Preferably, described from framework be " people " font framework.
Preferably, draw between lower wire arranged in parallel described in.
Preferably, drawing lower wire described in is fine aluminium flexible conductor.
Preferably, described high-voltage shunt reactor by high resistance bushing with draw lower wire one end and be electrically connected, described in draw the lower wire other end and be electrically connected with pipe mother.
Preferably, described GIS device by GIS outlet casing tube with draw lower wire one end and be electrically connected, described in draw the lower wire other end and be electrically connected with pipe mother.
Preferably, the female output of described pipe is electrically connected with transmission line, and described transmission line to be insulated with main truss by strain insulator string and is connected.
Preferably, described main truss is connected by female insulation of suspension insulator and pipe.
Preferably, also comprise ground wire, described ground wire is electrically connected with main truss.
Compared with prior art, the beneficial effects of the utility model are: by pipe mother being suspended in main truss and between framework, high-voltage shunt reactor, voltage transformer, lightning arrester and GIS device are electrically connected with pipe mother respectively by drawing lower wire, the 1000kV high-resistance loop be made up of said elements equipment is made to form a flexible connection structure, avoid and directly directly connected by the pipe mother that hardness ratio is larger, dramatically reduce high-voltage shunt reactor, voltage transformer, lightning arrester or the interaction force between GIS device and pipe mother under the such as sharp pounding state such as earthquake, and, at high-voltage shunt reactor, voltage transformer, lightning arrester, the problem of the active force that also do not interconnect between these four component equipments of GIS device interference, therefore, effectively can improve the anti-seismic performance of 1000kV high-resistance loop, ensure that it still has higher reliability 8 degree of earthquake areas, and there is good economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural map of a kind of 1000kV high-resistance loop of the utility model column pipe parent structure.
Mark in figure: 1 one high-voltage shunt reactors, 2 one high resistance bushings, 3 one voltage transformers, 4 one draw lower wire, 5 one transmission lines, 6 one strain insulator strings, 7 one ground wires, 8 one main truss, 9 one pipes are female, and 10 1 from framework, 11 1 suspension insulators, 12 1 lightning arresters, 13 1 GIS outlet casing tubes, 14 1 GIS device.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
A kind of 1000kV high-resistance loop column pipe parent structure as shown in Figure 1, primarily of high-voltage shunt reactor 1, voltage transformer 3, lightning arrester 12, GIS device 14, main truss 8 and pipe female 9 with form from framework 10, described pipe mother 9 is suspended in main truss 8 and between framework 10, its two ends respectively by suspension insulator 11 and main truss 8, insulating from framework 10 is connected, described high-voltage shunt reactor 1, voltage transformer 3, lightning arrester 12 and GIS device 14 are electrically connected with pipe female 9 respectively by drawing lower wire 4.The described lower wire 4 that draws has four, arranged in parallel between them, and described four are drawn lower wire 4 and are fine aluminium flexible conductor.Therefore, described high-voltage shunt reactor 1, voltage transformer 3, lightning arrester 12 and GIS device 14 form flexible connection structure respectively by drawing between lower wire 4 and pipe mother 9, and are no longer directly directly coupled together by the pipe mother 9 that hardness ratio is larger.More importantly, this flexible connection structure makes high-voltage shunt reactor 1, voltage transformer 3, lightning arrester 12 and GIS device 14 have certain spatial degrees of freedom relative to pipe mother 9 respectively, when the 1000kV high-resistance loop be made up of said elements equipment meets with strenuous vibration, such as, when there is strong earthquakes, described high-voltage shunt reactor 1, voltage transformer 3, lightning arrester 12 and GIS device 14 can respectively relative to female 9 kicking motions of pipe, this buffering can greatly alleviate high-voltage shunt reactor 1, voltage transformer 3, lightning arrester 12 or the interaction force between GIS device 14 and pipe mother 9 under the such as sharp pounding state such as earthquake, and, the problem of the active force that also do not interconnect between high-voltage shunt reactor 1, voltage transformer 3, lightning arrester 12, these four component equipments of GIS device 14 interference, therefore, effectively improve the anti-seismic performance of 1000kV high-resistance loop, ensure that it still has higher reliability 8 degree of earthquake areas.
Wherein four are drawn between lower wire 4 arranged in parallel, spacing between any two various pieces of drawing on lower wire 4 can be consistent substantially, be conducive to reducing the probability drawing lower wire 4 and collide when earthquake each other, improve the safety in operation of 1000kV high-resistance loop; These four are drawn lower wire 4 and can all adopt fine aluminium flexible conductor, and this wire has good toughness and electric conductivity, and tensile property is good, can meet the antidetonation demand of 1000kV high-resistance loop well, and use cost is low, has good economic benefit.
In above-mentioned 1000kV high-resistance loop, " people " font framework can be adopted from framework 10, so just can make from only having two tie points between framework 10 and its installation foundation, make, from framework 10, there is certain swing degree of freedom, alleviate the destructive effects power of the connected system from framework 10 pairs of 1000kV high-resistance loop, to improve the shock resistance of 1000kV high-resistance loop further.The output of described pipe mother 9 is electrically connected with transmission line 5, described transmission line 5 is insulated with main truss 8 by strain insulator string 6 and is connected, this structure can make transmission line 5 relative to main truss 8, transmission line 5 all has certain swing degree of freedom relative to pipe mother 9, when there is earthquake, transmission line 5 and main truss 8 can be alleviated, interaction force between pipe mother 9, and then the vibrations of separator tube mother 9 are to high-voltage shunt reactor 1, voltage transformer 3, the destructive effects power of lightning arrester 12 and GIS device 14, be conducive to the shock resistance improving 1000kV high-resistance loop, and ensure its operational reliability.
Because 1000kV belongs to extra-high voltage grade, when 1000kV high-resistance loop operationally, the highfield that 1000kV extreme high voltage produces, high-intensity magnetic field can produce very strong electromagnetic interference to the high-voltage shunt reactor 1 in high-resistance loop, GIS device, in order to ensure the normal work of high-voltage shunt reactor 1, GIS device 14, can by high-voltage shunt reactor 1 by high resistance bushing 2 with draw lower wire 4 one end and be electrically connected, described in draw lower wire 4 other end and be electrically connected with pipe female 9; Similarly, described GIS device 14 by GIS outlet casing tube 13 with draw lower wire 4 one end and be electrically connected, described in draw lower wire 4 other end and be electrically connected with pipe female 9.High resistance bushing 2 wherein, GIS outlet casing tube 13 both can ensure high-voltage shunt reactor 1, electrical connection between GIS device 14 and pipe mother 9 respectively, also can play certain electromagnetic shielding action to high-voltage shunt reactor 1, GIS device 14 simultaneously, be conducive to the operational reliability improving high-voltage shunt reactor 1, GIS device 14.As shown in Figure 1, at main truss 8 top electrical connection ground wire 7, described ground wire 7 is made to be in built on stilts state, to improve the operating safety factor of 1000kV high-resistance loop.
The foregoing is only preferred embodiment of the present utility model and oneself; not in order to limit the utility model; it should be pointed out that all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a 1000kV high-resistance loop column pipe parent structure, comprise high-voltage shunt reactor (1), voltage transformer (3), lightning arrester (12), GIS device (14) and main truss (8) and pipe mother (9), it is characterized in that: also comprise from framework (10), described pipe mother (9) is suspended in main truss (8) and between framework (10), and respectively with main truss (8), connect from framework (10) insulation, described high-voltage shunt reactor (1), voltage transformer (3), lightning arrester (12) and GIS device (14) are electrically connected with pipe mother (9) respectively by drawing lower wire (4).
2. 1000kV high-resistance loop column pipe parent structure according to claim 1, is characterized in that: described insulation with pipe mother (9) by suspension insulator (11) from framework (10) is connected.
3. the 1000kV high-resistance loop column pipe parent structure according to claims 1 or 2, is characterized in that: described from framework (10) be " people " font framework.
4. the 1000kV high-resistance loop column pipe parent structure according to claims 1 or 2, is characterized in that: described in draw between lower wire (4) arranged in parallel.
5. 1000kV high-resistance loop column pipe parent structure according to claim 4, is characterized in that: described in draw lower wire (4) for fine aluminium flexible conductor.
6. the 1000kV high-resistance loop column pipe parent structure according to claims 1 or 2, it is characterized in that: described high-voltage shunt reactor (1) by high resistance bushing (2) with draw lower wire (4) one end and be electrically connected, described in draw lower wire (4) other end and be electrically connected with pipe mother (9).
7. the 1000kV high-resistance loop column pipe parent structure according to claims 1 or 2, it is characterized in that: described GIS device (14) by GIS outlet casing tube (13) with draw lower wire (4) one end and be electrically connected, described in draw lower wire (4) other end and be electrically connected with pipe mother (9).
8. the 1000kV high-resistance loop column pipe parent structure according to claims 1 or 2, it is characterized in that: described pipe mother (9) output is electrically connected with transmission line (5), described transmission line (5) to be insulated with main truss (8) by strain insulator string (6) and is connected.
9. 1000kV high-resistance loop column pipe parent structure according to claim 8, is characterized in that: described main truss (8) to be insulated with pipe mother (9) by suspension insulator (11) and is connected.
10. the 1000kV high-resistance loop column pipe parent structure according to claims 1 or 2, it is characterized in that: also comprise ground wire (7), described ground wire (7) is electrically connected with main truss (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765300.4U CN204243481U (en) | 2014-12-08 | 2014-12-08 | A kind of 1000kV high-resistance loop column pipe parent structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765300.4U CN204243481U (en) | 2014-12-08 | 2014-12-08 | A kind of 1000kV high-resistance loop column pipe parent structure |
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| CN204243481U true CN204243481U (en) | 2015-04-01 |
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| CN201420765300.4U Active CN204243481U (en) | 2014-12-08 | 2014-12-08 | A kind of 1000kV high-resistance loop column pipe parent structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505720A (en) * | 2014-12-08 | 2015-04-08 | 中国电力工程顾问集团西南电力设计院有限公司 | Suspended tubular bus structure for 1,000kV high-resistance loop |
| CN108565882A (en) * | 2018-05-29 | 2018-09-21 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of convertor station direct current filter high-voltage capacitor connecting structure for electrical equipment |
-
2014
- 2014-12-08 CN CN201420765300.4U patent/CN204243481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505720A (en) * | 2014-12-08 | 2015-04-08 | 中国电力工程顾问集团西南电力设计院有限公司 | Suspended tubular bus structure for 1,000kV high-resistance loop |
| CN108565882A (en) * | 2018-05-29 | 2018-09-21 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of convertor station direct current filter high-voltage capacitor connecting structure for electrical equipment |
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