CN203103774U - Geographic information system (GIS) power distribution device of extra-high voltage transformer substation - Google Patents
Geographic information system (GIS) power distribution device of extra-high voltage transformer substation Download PDFInfo
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- CN203103774U CN203103774U CN 201220737087 CN201220737087U CN203103774U CN 203103774 U CN203103774 U CN 203103774U CN 201220737087 CN201220737087 CN 201220737087 CN 201220737087 U CN201220737087 U CN 201220737087U CN 203103774 U CN203103774 U CN 203103774U
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Abstract
A geographic information system (GIS) power distribution device of an extra-high voltage transformer substation is mainly composed of a main transfer casing pipe, a pipe type bus, a voltage mutual inductor, a lightning arrester, a lead, GIS casing pipes, a GIS pipeline and a GIS device, wherein the GIS casing pipes are arranged on the same side of a main transformer, the GIS pipeline passes through a GIS channel arranged underground, and a detachable heavy type cover board which does not affect passing through of vehicles is arranged above the GIS channel arranged underground. After the detachable heavy type cover board finishes being hoisted, a concrete pavement is poured on the detachable heavy type cover board. Compared with a conventional GIS power distribution device, the GIS power distribution device of the extra-high voltage transformer substation has the advantages that longitudinal dimension of the power distribution device is greatly compressed, a main transfer incoming line penetrates through the below position of a road, arrangement is simple and clear, a generator circuit breaker (GCB) of the GIS can be close to a main road, and patrol, maintenance and hoisting are convenient. Besides, occupied area of the extra-high voltage transformer substation is greatly reduced, total investment of a project is reduced, and benefit is remarkable.
Description
Technical field
The utility model relates to a kind of GIS power distribution equipment of ultra-high voltage transformer station, be applicable to the design of extra-high-voltage alternating current transformer station, be particularly useful for the extra-high-voltage alternating current transformer station design that the 1000kV power distribution equipment adopts GIS; Belong to the project of transmitting and converting electricity design field.
Background technology
Extra-high-voltage alternating current transformer station is meant electric pressure 1000kV and above transformer station.
Power distribution equipment is the general name that can control, accept and distribute the electric device of electric energy, it is complete on function, comprise 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.Power distribution equipment can be divided into following several types according to its switchgear: (1) air insulation open type equipment (AIS type); (2) potting breaker type; (3) half gas-insulated metal-enclosed formula equipment (HGIS type); (4) gas-insulated metal-enclosed formula equipment (GIS type).
GIS mainly combines bus, circuit breaker, CT, PT, isolating switch, lightning arrester.GIS has that floor space is little, reliability is high, high safety, the advantage that maintenance workload is little.At present China's extra-high-voltage alternating current is built, the 1000kV of transformer station power distribution equipment has mainly adopted GIS equipment in the project under construction.
1000kV transformer station is the maximum class extra-high-voltage alternating current transformer station of China's quantity, and these transformer station's three side electric pressures are respectively 1000kV, 500kV, 110kV, and 1000kV power distribution equipment design in high-pressure side is an important part.
The 1000kV bushing installation is up to 18m, and anti-seismic problem is more outstanding, and the slight stressed buterfly effect that causes of terminal is obvious, and is very high to the requirement of porcelain vase bottom, under present manufacture level, is difficult to directly connect 1000kV GIS sleeve pipe and main transformer sleeve pipe with overhead wire.Therefore in the engineering of going into operation and building, 1000kV main transformer inlet wire is all taked in 1000kV GIS power distribution equipment side the inlet wire framework to be set, and the 1000kV string that dangles is set, and 1000kV realized road by cross-line.Take this arrangement, maximum problem is that equipment hoisting and the maintenance to 1000kV GIS power distribution equipment brings inconvenience, and is huge because of 1000kV framework and cross-line investment in addition, again the longitudinal size of general layout is increased more, so need further optimization badly.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and provides a kind of improved, can significantly reduce the ultra-high voltage transformer station floor space, reduces the GIS power distribution equipment of the ultra-high voltage transformer station of total investment of engineering.
The purpose of this utility model is finished by following technical solution, and it mainly is made up of main transformer sleeve pipe, tube type bus, capacitance type potential transformer, lightning arrester, lead, GIS sleeve pipe, GIS pipeline and GIS equipment; Described GIS sleeve pipe is arranged in the main transformer homonymy, cancellation main transformer inlet wire framework, and the cross-line of cancellation main transformer and inlet wire framework, the main transformer outlet directly connects the GIS sleeve pipe;
The GIS raceway groove is set below road, and described GIS pipeline is from described underground GIS raceway groove process, and the road top does not have cable laying, makes things convenient for road transport and equipment hoisting.
The utility model is not established in addition GIS piping erection and is hung the thing hole, adopts detachable heavy cover plate technology, and dismountable heavy cover plate is set above underground GIS raceway groove, finishes on casting concrete road surface, cover plate top in lifting, does not influence vehicle pass-through.
Power distribution equipment described in the utility model is by 1000kV GIS sleeve pipe preferred arrangement, and the GIS pipeline is crossed road and arranged that the optimization of underground 1000kV GIS raceway groove is installed and finished; Compare with conventional GIS power distribution equipment, take up an area of index and steel using amount index and see following table for details:
Table 1 size, electric cost are relatively
| Index | This power distribution equipment | Conventional power distribution equipment | Remarks |
| Longitudinal size (m) | 84.5 | 94 | ? |
| Lateral dimension (m) | － | － | ? |
| Electric cost (ten thousand yuan) | 151 | 358 | ? |
The utility model is compared with present conventional 1000kV GIS power distribution equipment, vertically arrange size saving 9.5m, greatly reduced the longitudinal size of 1000kV power distribution equipment, the main transformer inlet wire passes through through the road below, cancellation 1000kV GIS main transformer side inlet wire framework and cross-line, it is succinct, clear that layout becomes, and saves electric cost 2,070,000; The GCB of 1000kV GIS more can be convenient to make an inspection tour, overhaul, be lifted near the main stem road.
The utility model reduction ultra-high voltage transformer station floor space reduces total investment of engineering, and remarkable benefit is applicable to ultra-high voltage transformer station engineering design construction, is particularly useful for the ultra-high voltage transformer station design that the high-pressure side power distribution equipment adopts GIS.
Description of drawings
Fig. 1 is the GIS power distribution equipment main transformer inlet wire interval plane graph of ultra-high voltage transformer station described in the utility model.
Fig. 2 is the GIS power distribution equipment main transformer inlet wire interval sectional drawing of ultra-high voltage transformer station described in the utility model.
Fig. 3 is the conventional GIS power distribution equipment of a ultra-high voltage transformer station main transformer inlet wire sectional drawing at interval.
Fig. 4 is the GIS underdrain skiagraph of certain ultra-high voltage transformer station described in the utility model.
Fig. 5 is the GIS underdrain cross-sectional view of certain ultra-high voltage transformer station described in the utility model.
The label of each parts is among the figure: 1, main transformer sleeve pipe, 2, tube type bus, 3, voltage transformer, 4, lightning arrester, 5, lead, 6,1000kV GIS sleeve pipe, 7, transport routes, 8, GIS pipeline, 9, GIS equipment, 10, underground 1000kV GIS raceway groove, 11, main transformer, 12, detachable heavy cover plate, 13, reinforced concrete floor.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: the 1000kV connection type in shown in Fig. 1,2 is a half breaker wiring, adopts outdoor GIS to arrange.Main transformer adopts 3 single-phase transformers 11, the main transformer inlet wire by and connect voltage transformer 3, lightning arrester 4, be connected to 1000kV GIS equipment 9, cause the 1000kV framework then.Transport routes are arranged between GIS sleeve pipe 6 and the 1000kV GIS equipment 9.This programme is arranged in main transformer 11 homonymies with GIS sleeve pipe 6.Cancellation main transformer inlet wire framework, the cross-line of cancellation main transformer and inlet wire framework.The main transformer outlet directly connects GIS sleeve pipe 6; Behind the cancellation main transformer inlet wire framework, provide great facility to equipment tour, maintenance, lifting.
Fig. 3 is the conventional 1000kV GIS of a ultra-high voltage transformer station power distribution equipment main transformer inlet wire sectional drawing at interval.In the conventional 1000kV power distribution equipment, the main transformer sleeve pipe also connects voltage transformer, is connected to the main transformer framework by cross-line, and main transformer framework lead-in wire is connected to the GIS sleeve pipe, and connects lightning arrester, and sleeve pipe directly is connected to GIS equipment.Transport routes are arranged between voltage transformer and the lightning arrester, and the road top has cross-line to distribute.
Fig. 4, the 5th, the longitudinal and transverse sectional drawing of certain ultra-high voltage transformer station 1000kV GIS underdrain.Get the GIS pipe diameter less than 1m, other considers maintenance channel 1m, and raceway groove headroom size is got 2m * 2m.Consider that GIS piping erection is disposable process, do not hang the thing hole, heavy cover plate 12 is set above raceway groove, can dismantle corresponding cover plate, satisfy the GIS pipeline and installing or lifting requirements during replacing so piping erection do not established in addition.Cross road raceway groove 10 and on the cover board build final concrete road surface 13 after finishing lifting, the thick place of 200mm rubble is laid at cover plate top, place, makes whole raceway groove easy for installation, and is practical and attractive during operation.
The 1000kV power distribution equipment mainly is made up of main transformer sleeve pipe 1, tube type bus 2, capacitance type potential transformer 3, lightning arrester 4, lead 5,1000kV GIS sleeve pipe 6, GIS pipeline 8 and GIS equipment 9.
The utility model is finished by following technology, 1000kV GIS sleeve pipe 6 preferred arrangement, and GIS pipeline 8 is crossed the road layout, underground 1000kV GIS raceway groove 10 is optimized installation.
(6 preferred arrangement are arranged in main transformer 11 homonymies with GIS sleeve pipe 6 to described 1000kV GIS sleeve pipe.Cancellation main transformer inlet wire framework, the cross-line of cancellation main transformer and inlet wire framework.The main transformer outlet directly connects GIS sleeve pipe 6.
Described GIS pipeline is crossed road and is arranged, GIS pipeline 8 is passed through from underground 1000kV GIS raceway groove 10.GIS raceway groove 10 is set below road, and the road top does not have cable laying, makes things convenient for road transport and equipment hoisting.
Described underground 1000kV GIS raceway groove 10 is optimized installation, piping erection do not established in addition hang the thing hole, adopt detachable heavy cover plate technology, above underground 1000kV GIS raceway groove 10, detachable heavy cover plate 12 is set, finish on casting concrete road surface, cover plate top 13 in lifting, do not influence vehicle pass-through.The beneficial effects of the utility model are:
This programme is compared with present conventional 1000kV GIS power distribution equipment, vertically arrange size saving 9.5m, greatly reduced the longitudinal size of 1000kV power distribution equipment, the main transformer inlet wire passes through through the road below, cancellation 1000kV GIS main transformer side inlet wire framework and cross-line, it is succinct, clear that layout becomes, and saves electric cost 2,070,000.The GCB of 1000kV GIS more can be convenient to make an inspection tour, overhaul, be lifted near the main stem road.
This programme reduction ultra-high voltage transformer station floor space reduces total investment of engineering, remarkable benefit.Be applicable to ultra-high voltage transformer station engineering design construction, be particularly useful for the ultra-high voltage transformer station design that the high-pressure side power distribution equipment adopts GIS.
Embodiment: the utility model can adopt following steps to realize the purpose of this utility model:
The first step after the main transformer outlet and connecing voltage transformer 3, lightning arrester 4, is connected to main transformer sleeve pipe 6;
In second step, transport routes 7 belows are provided with underdrain 10, install 1000kV GIS pipeline 8, are connected to the 1000kV GIS equipment 9 of road opposite side;
In the 3rd step,, common instrument such as density monitor detector, Pressure gauge are caused the tunnel face for ease of making an inspection tour;
In the 4th step, the both sides, tunnel are provided with the steel cat ladder, and dispose relevant devices such as water conservancy project, HVAC, illumination;
The 5th step, finish the lifting of 1000kV GIS pipeline 8 at raceway groove after, on cover plate 12, build final concrete road surface 13, the thick place of 200mm rubble is laid at the top, place.
Used specific case in this explanation principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used 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 GIS power distribution equipment of a ultra-high voltage transformer station, it mainly is made up of main transformer sleeve pipe (1), tube type bus (2), voltage transformer (3), lightning arrester (4), lead (5), GIS sleeve pipe (6), GIS pipeline (8) and GIS equipment (9); It is characterized in that described GIS sleeve pipe (6) is arranged in main transformer (11) homonymy, GIS pipeline (8) passes through from the GIS raceway groove (10) of underground setting, and is provided with in the GIS of described underground setting raceway groove (10) top and does not influence the detachable heavy cover plate of vehicle pass-through (12).
2. the GIS power distribution equipment of ultra-high voltage transformer station according to claim 1 is characterized in that finishing after-pouring in lifting above the described detachable heavy cover plate (12) has the concrete road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737087 CN203103774U (en) | 2012-12-28 | 2012-12-28 | Geographic information system (GIS) power distribution device of extra-high voltage transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737087 CN203103774U (en) | 2012-12-28 | 2012-12-28 | Geographic information system (GIS) power distribution device of extra-high voltage transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN203103774U true CN203103774U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220737087 Expired - Lifetime CN203103774U (en) | 2012-12-28 | 2012-12-28 | Geographic information system (GIS) power distribution device of extra-high voltage transformer substation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066502A (en) * | 2012-12-28 | 2013-04-24 | 浙江省电力设计院 | Geographic information system (GIS) power distribution device of extra-high voltage transformer substation |
| CN103647225A (en) * | 2013-11-22 | 2014-03-19 | 国家电网公司 | Arrangement structure of extra-high voltage GIS power distribution device |
-
2012
- 2012-12-28 CN CN 201220737087 patent/CN203103774U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066502A (en) * | 2012-12-28 | 2013-04-24 | 浙江省电力设计院 | Geographic information system (GIS) power distribution device of extra-high voltage transformer substation |
| CN103647225A (en) * | 2013-11-22 | 2014-03-19 | 国家电网公司 | Arrangement structure of extra-high voltage GIS power distribution device |
| CN103647225B (en) * | 2013-11-22 | 2016-06-15 | 国家电网公司 | The arrangement of extra-high voltage GIS power distribution device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20130731 |