CN211456224U - 220kV open-type distribution device based on double-bus wiring - Google Patents
220kV open-type distribution device based on double-bus wiring Download PDFInfo
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- CN211456224U CN211456224U CN201922086433.4U CN201922086433U CN211456224U CN 211456224 U CN211456224 U CN 211456224U CN 201922086433 U CN201922086433 U CN 201922086433U CN 211456224 U CN211456224 U CN 211456224U
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- 239000012212 insulator Substances 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides a 220kV open-type distribution device based on double bus wiring, including setting up the female and the female side equipment district of I of 220kV I on three not co-altitude platform respectively, the female side equipment district of 220kV II, the 220kV equipment district that is qualified for the next round of competitions, wherein, the female side equipment district of I of 220kV I is located platform III, the female side equipment district of II of 220kV is located platform II, the 220kV equipment district that is qualified for the next round of competitions is located platform I, set up the transition district between adjacent platform, pass through transition pipe generating line (11) intercommunication circuit in transition district between platform II and platform III, the intercommunication of circuit is realized through the overline (10c) in transition district between platform I and platform III. The utility model discloses a flat slope formula arrangement scheme is compared, has reduced a large amount of squarings in the engineering place, and distribution device place adaptability is good, has reduced engineering cost and construction cycle.
Description
Technical Field
The invention belongs to the technical field of power distribution devices, and particularly relates to a 220kV open-type power distribution device based on double-bus wiring.
Background
In a high-voltage transmission power system, especially a 220kV hub substation in a system center, a double-bus connection is sometimes adopted, and an open-type power distribution device is generally selected in consideration of engineering investment. The large-scale 220kV open-type transformer substation occupies large ground, and is difficult to select a station site with proper conditions in mountainous areas.
Disclosure of Invention
To the technical problem who exists, provide a 220kV open-type distribution device based on double bus wiring, through arranging of many ladders to adapt to the mountain land topography, reduce engineering earth and stone square volume, reduce the engineering construction degree of difficulty.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a 220kV open-type power distribution device based on double-bus wiring, which comprises a 220kV I bus and I bus side equipment area, a 220kV II bus side equipment area and a 220kV outlet equipment area which are respectively arranged on three platforms with different heights, wherein the 220kV I bus and I bus side equipment area is positioned on a platform III, the 220kV II bus side equipment area is positioned on a platform II, the 220kV II outlet equipment area is positioned on the platform I, a transition area is arranged between adjacent platforms, a circuit is communicated between the platform II and the platform III through a transition pipe bus of the transition area, and the circuit is communicated between the platform I and the platform III through a crossover line of the transition area.
Preferably, a transition region between the platform II and the platform III is a transition slope, a transition pipe bus is arranged along the transition slope, one end of the transition pipe bus is connected with the ungrounded disconnecting switch on the platform II, and the other end of the transition pipe bus is connected with the left grounded disconnecting switch on the platform III, so that the circuit between the platform II and the platform III is communicated; transition zone between platform I and platform III sets up between the side framework of being qualified for the next round of competitions on bus side framework and the platform I on the side framework of being qualified for the next round of competitions on platform III, connects the overline between bus side framework and the side framework of being qualified for the next round of competitions, and the lead wire that makes progress of the transition pipe bus between the left ground isolation switch on the platform III and the platform II is connected with the overline through the insulator chain that dangles of bus side framework, realizes the intercommunication of circuit between platform I and the platform III.
Preferably, the 220kV I bus and I bus side equipment area comprises a 220kV I bus, a 220kV bus side framework, and a 220kVI bus side left grounding disconnector, wherein the 220kV I bus is fixed by a post insulator mounted on the framework; the 220kV I bus is connected with the 220kV I bus side left grounding isolation switch through a flexible conductor.
Preferably, the 220kV ii-mother and ii-mother side equipment area comprises a 220kV ii-mother, a 220kV bus side framework and a 220kV ii-mother side ungrounded disconnecting switch, the 220kV ii-mother is fixed by a post insulator mounted on the framework, and the 220kV ii-mother side ungrounded disconnecting switch are connected by a flexible wire.
Preferably, the 220kV I bus and the 220kV II bus are both in a single-layer structure, and the 220kV I bus is a first tubular bus which is not less than 7m away from the platform; and the 220kV II bus is a second tubular bus which is not less than 7m high from the platform.
Preferably, the 220kV I bus or the 220kV II bus is a suspended soft bus.
Preferably, the 220kV outgoing line equipment area comprises a circuit breaker, a current transformer, a double-grounded isolating switch, a lightning arrester, a voltage transformer, a wave trap and an outgoing line side framework, wherein the 220kV outgoing line wave trap is suspended and installed on the outgoing line side framework by adopting a suspension insulator string, one end of the wave trap is sequentially connected with the double-grounded isolating switch, the current transformer and one end of the circuit breaker, and the other end of the circuit breaker is respectively connected with a 220kV I bus side left grounded isolating switch, a 220kV I bus and a 220kV ii bus side ungrounded isolating switch; the other end of the wave trap is sequentially connected with a voltage transformer and a lightning arrester.
Preferably, platform i, platform ii and platform iii are sequentially higher.
Preferably, the height difference between adjacent platforms is no greater than 12 m.
The invention has the beneficial effects that:
the utility model discloses a arrange 3 equipment districts respectively on the platform of 3 co-altitude, through the connecting wire of different forms between each platform, make whole circuit link up, realize the complete function of double bus-bar connection, the earth and stone side engineering volume of a large amount of reduction construction open-type transformer substation on the mountain region.
Drawings
FIG. 1 is an electrical main wiring diagram of an embodiment of the present invention;
fig. 2 is an electrical floor plan of an embodiment of the present invention;
fig. 3 is an electrical cross-sectional view of an embodiment of the invention.
Fig. 4 is a 220kV I bus cross-section in the embodiment of the present invention.
Fig. 5 is a 220kV ii bus cross-sectional view in the embodiment of the present invention.
In the figure: 1. the circuit breaker comprises a circuit breaker, 2, a current transformer, 3, a double-grounded disconnector, 4, a left grounded disconnector, 5, an ungrounded disconnector, 6, a lightning arrester, 7, a voltage transformer, 8, a wave trap, 9, a post insulator, 10a, a first pipe bus, 10b, a second pipe bus, 10c, a jumper, 11, a transition pipe bus, 12, a strain insulator string, 13, a suspension insulator string, 14a, a bus side framework, 14b, an outlet side framework, 15, a platform I, 16, a platform II, 17, a platform III and 18, and leads.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b): as shown in fig. 1-3, the 220kV open-type power distribution device based on double-bus wiring of the present invention includes a 220kV I-bus and I-bus side equipment area, a 220kV ii-bus side equipment area, and a 220kV outgoing line equipment area, which are respectively disposed on three platforms with different heights, wherein the 220kV I-bus and I-bus side equipment area is located on platform iii 17, the 220kV ii-bus side equipment area is located on platform ii 16, the 220kV outgoing line equipment area is located on platform I15, a transition area is disposed between adjacent platforms, the platform ii 16 and the platform iii 17 are connected to each other through a transition pipe bus 11 of the transition area, and the platform I15 and the platform iii 17 are connected to each other through a crossover line 10c of the transition area.
As shown in fig. 2, a transition region between the platform ii 1 and the platform iii 17 is a transition slope, a transition pipe bus 11 is arranged along the transition slope, a support for supporting the connection pipe bus 11 and a supporting post insulator 9 are arranged on the platform iii 17 and the transition slope, one end of the transition pipe bus 11 is connected to the ungrounded disconnecting switch 5 on the platform ii 16, and the other end of the transition pipe bus 11 is connected to the left grounded disconnecting switch 4 on the platform iii 17, so that the circuit between the platform ii 16 and the platform iii 17 is communicated; the transition region between the platform I15 and the platform III 17 is arranged between a bus side framework 14a on the platform III 17 and an outlet side framework 14b on the platform I, a jumper 10c is connected between the bus side framework 14a and the outlet side framework 14b, an upward lead 18 of a transition pipe bus 11 between the left grounding isolating switch 4 on the platform III 17 and the platform II 16 is connected with the jumper 10c through a suspension insulator string 13 of the bus side framework 14a, and the communication of the circuit between the platform I15 and the platform III 17 is realized.
No electrical communication is required between stage ii 16 and stage i 15.
As shown in fig. 4, the 220kV I bus and I bus side equipment area includes a 220kV I bus, a 220kV I bus side frame 14a, and a 220kV I bus side left grounding isolation switch 4, wherein the 220kV I bus is fixed by a post insulator 9 mounted on the bus side frame 14 a; the 220kV I bus is connected with the 220kV I bus side left grounding isolating switch 4 through a flexible conductor.
As shown in fig. 5, the 220kV ii bus and ii bus side equipment area includes a 220kV ii bus, a 220kV bus side framework 14a, and a 220kV ii bus side ungrounded disconnecting switch 5, the 220kV ii bus is fixed by a post insulator 9 installed on the framework, and the 220kV ii bus is connected with the 220kV ii bus side ungrounded disconnecting switch 5 by a flexible conductor.
The 220kV I bus and the 220kV II bus are both of a single-layer structure, the 220kV I bus is a first tubular bus 10a which is not less than 7m away from the platform, and the setting height of the embodiment is 8.8 m; the 220kV II bus is a second tubular bus 10b which is not less than 7m from the platform, and the setting height of the embodiment is 8.8 m.
As shown in fig. 1, the 220kV outgoing line equipment area includes a circuit breaker 1, a current transformer 2, a double-grounded disconnector 3, a lightning arrester 6, a voltage transformer 7, a wave trap 8 and an outgoing line side framework 14b, wherein the 220kV outgoing line wave trap 8 is suspended and installed on the outgoing line side framework 14b by using a suspension insulator string 13, one end of the wave trap 8 is sequentially connected with the double-grounded disconnector 3, the current transformer 2 and one end of the circuit breaker 1, and the other end of the circuit breaker 1 is respectively connected with a 220kV I bus side left grounded disconnector 4, a 220kV I bus and a 220kV ii bus side ungrounded disconnector 5; the other end of the wave trap 8 is sequentially connected with a voltage transformer 7 and a lightning arrester 6.
The platform I15, the platform II 16 and the platform III 17 are sequentially heightened; the height difference between adjacent platforms is not more than 12 m. The middle platform III 17 is 14m higher than the platform I15. The platform II 16 is 9m higher than the platform I15.
In areas with high earthquake intensity, the 220kV I bus or the 220kV II bus is realized by adopting a suspended soft bus.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a 220kV open-type distribution device based on double bus wiring which characterized in that: including setting up the female and the female side equipment district of I of 220kV I on three not co-altitude platform respectively, the female side equipment district of 220kV II, 220kV is qualified for the next round of competitions the equipment district, wherein, the female and the female side equipment district of I of 220kV I are located platform III, the female side equipment district of II of 220kV is located platform II, 220kV is qualified for the next round of competitions the equipment district and is located platform I, set up the transition district between adjacent platform, through transition pipe generating line (11) intercommunication circuit in transition district between platform II and platform III, cross-line (10c) through the transition district between platform I and platform III realize the intercommunication of circuit.
2. The double-busbar-connection-based 220kV open power distribution unit according to claim 1, wherein: the transition region between the platform II and the platform III is a transition slope, a transition pipe bus (11) is arranged along the transition slope, one end of the transition pipe bus (11) is connected with the ungrounded disconnecting switch (5) on the platform II, and the other end of the transition pipe bus is connected with the left grounded disconnecting switch (4) on the platform III, so that the circuit between the platform II and the platform III is communicated; the transition region between the platform I and the platform III is arranged between a bus side framework (14a) on the platform III and an outgoing line side framework (14b) on the platform I, a jumper (10c) is connected between the bus side framework (14a) and the outgoing line side framework (14b), an upward lead of a transition pipe bus (11) between a left grounding isolating switch (4) on the platform III and the platform II is connected with the jumper (10c) through a suspension insulator string (13) of the bus side framework (14a), and the communication of a circuit between the platform I and the platform III is achieved.
3. The double-busbar-connection-based 220kV open power distribution unit according to claim 1, wherein: the 220kV I bus and I bus side equipment area comprises a 220kV I bus, a 220kV I bus side framework (14a) and a 220kV I bus side left grounding isolating switch (4), wherein the 220kV I bus is fixed through a post insulator (9) arranged on the framework; the 220kV I bus is connected with the 220kV I bus side left grounding isolating switch (4) through a flexible conductor.
4. The double-busbar-connection-based 220kV open power distribution unit according to claim 1, wherein: II female and II female side equipment districts of 220kV include that II female, 220kV generating line side framework (14a), the II female side of 220kV do not land isolator (5) of 220kV, II female through the post insulator (9) of installing on the framework of 220kV are fixed, and II female side of 220kV do not land isolator (5) of 220kV are connected through the flexible conductor.
5. Double busbar connection based 220kV open power distribution unit according to claim 3 or 4, characterized in that: the 220kV I bus and the 220kV II bus are both in a single-layer structure, and the 220kV I bus is a first tubular bus (10a) which is not less than 7m away from the platform; the 220kV II bus is a second tubular bus (10b) which is not less than 7m high from the platform.
6. The double-busbar-connection-based 220kV open power distribution unit according to claim 5, wherein: the 220kV I bus or the 220kV II bus is a suspended soft bus.
7. Open 220kV switchgear based on double busbar wiring according to any of claims 1-4, characterized in that: the 220kV I bus or the 220kV II bus is a suspended soft bus.
8. The double-busbar-connection-based 220kV open power distribution unit according to claim 1, wherein: the 220kV outgoing line equipment area comprises a circuit breaker (1), a current transformer (2), a double-grounded isolating switch (3), a lightning arrester (6), a voltage transformer (7), a wave trapper (8) and an outgoing line side framework (14b), wherein the 220kV outgoing line wave trapper (8) is installed on the outgoing line side framework (14b) in a hanging mode through a suspension insulator string (13), one end of the wave trapper (8) is sequentially connected with the double-grounded isolating switch (3), the current transformer (2) and one end of the circuit breaker (1), and the other end of the circuit breaker (1) is respectively connected with a 220kV I bus side left grounded isolating switch (4), a 220kV I bus and a 220kV II bus side ungrounded isolating switch (5); the other end of the wave trap (8) is sequentially connected with a voltage transformer (7) and a lightning arrester (6).
9. The double-busbar-connection-based 220kV open power distribution unit according to claim 1, wherein: platform I, platform II and platform III increase in proper order.
10. The double-busbar-connection-based 220kV open power distribution device of claim 9, wherein: the height difference between adjacent platforms is not more than 12 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086433.4U CN211456224U (en) | 2019-11-28 | 2019-11-28 | 220kV open-type distribution device based on double-bus wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086433.4U CN211456224U (en) | 2019-11-28 | 2019-11-28 | 220kV open-type distribution device based on double-bus wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211456224U true CN211456224U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922086433.4U Active CN211456224U (en) | 2019-11-28 | 2019-11-28 | 220kV open-type distribution device based on double-bus wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211456224U (en) |
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2019
- 2019-11-28 CN CN201922086433.4U patent/CN211456224U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231215 Address after: Room 601, Building C01, Entrepreneurship Headquarters Base, Fuyuan Road North, Wuqing Development Zone, Wuqing District, Tianjin City, 301726 Patentee after: TBEA INTERNATIONAL ENGINEERING Co.,Ltd. Address before: 110144 32 development road, Shenyang economic and Technological Development Zone, Liaoning Patentee before: TBEA SHENYANG ELECTRIC POWER SURVEY AND DESIGN Co.,Ltd. |
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| TR01 | Transfer of patent right |