CN113540983A - GIS arrangement structure of half circuit breaker wiring - Google Patents
GIS arrangement structure of half circuit breaker wiring Download PDFInfo
- Publication number
- CN113540983A CN113540983A CN202010286309.7A CN202010286309A CN113540983A CN 113540983 A CN113540983 A CN 113540983A CN 202010286309 A CN202010286309 A CN 202010286309A CN 113540983 A CN113540983 A CN 113540983A
- Authority
- CN
- China
- Prior art keywords
- isolating switch
- gis
- current transformer
- switch
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/207—Cross-bar layouts
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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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0356—Mounting of monitoring devices, e.g. current transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
Abstract
The invention provides a GIS arrangement structure of half-breaker wiring, which comprises a first breaker, a second breaker, a third breaker, a first isolating switch, a second isolating switch, a third isolating switch, a fourth isolating switch, a fifth isolating switch, a sixth isolating switch, a first grounding switch, a second grounding switch, a third grounding switch, a fourth grounding switch, a fifth grounding switch, a sixth grounding switch, a first current transformer, a second current transformer, a third current transformer, a fourth current transformer, a fifth current transformer, a sixth current transformer, a plurality of GIS tee joints and a plurality of GIS conductors. The invention can eliminate the need of diagonal bus, has convenient equipment positioning and installation and can reduce the height.
Description
Technical Field
The invention relates to the field of power generation, transmission and transformation, in particular to a GIS (geographic information system) arrangement structure of half-breaker wiring.
Background
A Gas-insulated Metal-enclosed Switchgear (GIS) power distribution unit has the advantages of small floor area, high safety and reliability, flexible configuration and the like, and is widely applied to power plants and substations.
The semi-breaker wiring has the advantages of high reliability, good flexibility in operation, convenience in operation and maintenance and the like, and is widely applied to power plants and transformer substations with 330kV or above voltage levels.
At present, a half circuit breaker generally adopts the mode that the circuit breaker and the GIS generating line are arranged perpendicularly, and the concrete structure is as shown in fig. 4 and 5: the circuit breakers 101-103 are vertical to the direction of a GIS I section bus and a GIS II section bus (the circuit breakers are in the up-down direction and the buses are in the left-right direction in a plan view); the disconnecting switches and the current transformers are vertically arranged, and the disconnecting switches of the two groups of circuit breakers are connected through a diagonal conductor 401. The GIS I section bus and the GIS II section bus are arranged right above the GIS; the incoming line loop and the appearance loop are directly led out from the end part of the circuit breaker. The arrangement structure is compact in structure in the transverse (left and right) direction, but is high in height direction, meanwhile, leading-out points of the incoming line loop and the outgoing line loop are fixed, when the arrangement structure is connected with other equipment (such as a transformer and a reactor), an elbow needs to be added, the leading-out points can only be led out from the fixed direction, and the arrangement structure is suitable for places such as a transformer substation where equipment connection is not limited.
Disclosure of Invention
The invention aims to provide a GIS arrangement structure for half-breaker wiring, which can eliminate the need of diagonal bus, is convenient for equipment positioning and installation and can reduce the height. Therefore, the invention adopts the following technical scheme:
a GIS arrangement structure of half circuit breaker wiring is characterized by comprising a first circuit breaker, a second circuit breaker, a third circuit breaker, a first isolating switch, a second isolating switch, a third isolating switch, a fourth isolating switch, a fifth isolating switch, a sixth isolating switch, a first grounding switch, a second grounding switch, a third grounding switch, a fourth grounding switch, a fifth grounding switch, a sixth grounding switch, a first current transformer, a second current transformer, a third current transformer, a fourth current transformer, a fifth current transformer, a sixth current transformer, a plurality of GIS tee joints and a plurality of GIS conductors; the first circuit breaker, the second circuit breaker and the third circuit breaker are arranged on the ground in a straight line shape; the first current transformer is vertically arranged and connected with the left end of the first breaker; the first isolating switch is horizontally arranged, and the lower part of the first isolating switch is connected with the first current transformer; the first grounding switch is placed above the first isolating switch; the first isolating switch is connected to a GIS I section bus through a GIS tee joint and a GIS conductor; the second current transformer is vertically arranged and connected with the right end of the first breaker; the second isolating switch is horizontally arranged, and the lower part of the second isolating switch is connected with a second current transformer; the second grounding switch is placed above the second isolating switch; the second isolating switch is connected to the third isolating switch through a GIS tee joint and a GIS conductor; the incoming line loop is connected between the second isolating switch and the third isolating switch through the GIS tee joint and the GIS conductor;
the third current transformer is vertically arranged and connected with the left end of the second breaker; the third isolating switch is horizontally arranged, and the lower part of the third isolating switch is connected with a third current transformer; the third grounding switch is placed above the third isolating switch; the third isolating switch is connected to the second isolating switch through a GIS tee joint and a GIS conductor; the fourth current transformer is vertically arranged and connected with the right end of the second circuit breaker; the fourth isolating switch is horizontally arranged, and the lower part of the fourth isolating switch is connected with a fourth current transformer; the fourth grounding switch is placed above the fourth isolating switch; the fourth isolating switch is connected to the fifth isolating switch through a GIS tee joint and a GIS conductor; the outgoing line loop is connected between the fourth isolating switch and the fifth isolating switch through the GIS tee joint and the GIS conductor;
the fifth current transformer is vertically arranged and connected with the left end of the third breaker; the fifth isolating switch is horizontally arranged, and the lower part of the fifth isolating switch is connected with a fifth current transformer; the fifth grounding switch is placed above the fifth isolating switch; the fifth isolating switch is connected to the fourth isolating switch through a GIS tee joint and a GIS conductor; the sixth current transformer is vertically arranged and connected with the right end of the third breaker; the sixth isolating switch is horizontally arranged, and the lower part of the sixth isolating switch is connected with a sixth current transformer; the sixth grounding switch is placed above the sixth isolating switch; and the sixth isolating switch is connected to a GIS II section bus through a GIS tee joint and a GIS conductor.
Furthermore, first to third circuit breaker and GIS generating line parallel arrangement, GIS I section generating line and GIS II section generating line distribute in the circuit breaker both sides.
Furthermore, the incoming line loop and the appearance loop can be led out from the bus side of the section I and can also be led out from the bus side of the section II.
The invention has the following beneficial effects:
1. the diagonal bus is not arranged, so that the equipment is convenient to position and install;
2. the GIS bus is low in ground height, and is suitable for the occasions with limited floor height;
3. the distance between the two circuit breakers is adjusted, so that the leading-out points of the incoming circuit and the outgoing circuit can be adjusted, and the connection with other equipment is flexible;
4. the breaker is dismantled, hoist and mount need not to dismantle the GIS generating line, and it is convenient to overhaul hoist and mount.
Drawings
Fig. 1 is an electrical wiring diagram of an embodiment of the present invention.
Fig. 2 is a floor plan view of a portion within the dashed box of fig. 1.
Fig. 3 is a cross-sectional view a-a of fig. 2 of the present invention.
Fig. 4 is a floor plan of a prior art half circuit breaker wiring.
Fig. 5 is a front view of a prior art half circuit breaker wiring.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to the drawings, the GIS arrangement structure of one half circuit breaker wiring of the embodiment has a voltage level of 500kV, and comprises a first circuit breaker CB1, a second circuit breaker CB2, a third circuit breaker CB3, a first disconnecting switch DS11, a second disconnecting switch DS12, a third disconnecting switch DS21, a fourth disconnecting switch DS22, a fifth disconnecting switch DS31, a sixth disconnecting switch DS32, a first grounding switch ES11, a second grounding switch ES12, a third grounding switch ES21, a fourth grounding switch ES22, a fifth grounding switch ES31, a sixth grounding switch ES32, a first current transformer CT11, a second current transformer CT12, a third current transformer CT21, a fourth current transformer CT22, a fifth current transformer CT31, a sixth current transformer CT32, a plurality of tee junctions and a plurality of GIS conductors.
The first circuit breaker CB1, the second circuit breaker CB2 and the third circuit breaker CB3 are arranged on the ground in a straight line shape.
The first current transformer CT11 is vertically arranged and is connected with the left end of a first circuit breaker CB 1; the first isolating switch DS11 is horizontally arranged, and the lower part of the first isolating switch DS11 is connected with a first current transformer CT 11; the first grounding switch ES11 is placed above a first isolating switch DS 11; the first isolating switch DS11 is connected to a GIS I section bus through a GIS tee joint and a GIS conductor which are horizontally arranged; the second current transformer CT12 is vertical and is arranged to be connected with the right end of the first circuit breaker CB 1; the second isolating switch DS12 is horizontally arranged, and the lower part of the second isolating switch DS12 is connected with a second current transformer CT 12; the second grounding switch ES12 is placed above a second isolating switch DS 12; the second isolating switch DS12 is connected to the third isolating switch DS21 through a horizontally arranged GIS tee and a GIS conductor. The incoming line loop is connected between the second isolating switch DS12 and the third isolating switch DS21 through a horizontally arranged GIS tee joint and a GIS conductor.
The third current transformer CT21 is vertically arranged and is connected with the left end of a second circuit breaker CB 2; the third isolating switch DS21 is horizontally arranged, and the lower part of the third isolating switch DS21 is connected with a third current transformer CT 21; the third grounding switch ES21 is placed above a third isolating switch DS 21; the third isolating switch DS21 is connected to the second isolating switch DS12 through a horizontally arranged GIS tee and a GIS conductor; the fourth current transformer CT22 is vertically arranged and is connected with the right end of a second circuit breaker CB 2; the fourth isolating switch DS22 is horizontally arranged, and the lower part of the fourth isolating switch DS22 is connected with a fourth current transformer CT 22; the fourth grounding switch ES22 is placed above a fourth isolating switch DS 22; the fourth isolating switch DS22 is connected to the fifth isolating switch DS31 through a horizontally arranged GIS tee and a GIS conductor. And the outlet loop is connected between the fourth isolating switch DS22 and the fifth isolating switch DS31 through a horizontally arranged GIS tee joint and a GIS conductor.
The fifth current transformer CT31 is vertically arranged and is connected with the left end of a third circuit breaker CB 3; the fifth isolating switch DS31 is horizontally arranged, and the lower part of the fifth isolating switch DS31 is connected with a fifth current transformer CT 31; the fifth grounding switch ES31 is placed above a fifth isolator DS 31; the fifth isolating switch is connected to a fourth isolating switch DS22 through a GIS tee joint and a GIS conductor which are horizontally arranged; the sixth current transformer CT32 is vertically arranged and is connected with the right end of a third circuit breaker CB 3; the sixth isolating switch DS32 is horizontally arranged, and the lower part of the sixth isolating switch DS32 is connected with a sixth current transformer CT 32; the sixth grounding switch ES32 is placed above a sixth isolating switch DS 32; and the sixth isolating switch is connected to a GIS II section bus through a GIS tee joint and a GIS conductor which are horizontally arranged.
By adopting the preferable 500kV one-half breaker GIS arrangement structure, the distance between the highest points of the GIS buses and the ground is 5850mm (figure 3), compared with the prior art of 8100mm (figure 5), the height is reduced by 2250mm, and the GIS is not provided with inclined pull buses.
In the description of the present invention, it should be noted that the terms "left" and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred instrument or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent variations and modifications made by the present invention are covered by the scope of the claims of the present invention, which is not limited by the examples herein.
Claims (3)
1. A GIS arrangement structure of half circuit breaker wiring is characterized by comprising a first circuit breaker, a second circuit breaker, a third circuit breaker, a first isolating switch, a second isolating switch, a third isolating switch, a fourth isolating switch, a fifth isolating switch, a sixth isolating switch, a first grounding switch, a second grounding switch, a third grounding switch, a fourth grounding switch, a fifth grounding switch, a sixth grounding switch, a first current transformer, a second current transformer, a third current transformer, a fourth current transformer, a fifth current transformer, a sixth current transformer, a plurality of GIS tee joints and a plurality of GIS conductors; the first circuit breaker, the second circuit breaker and the third circuit breaker are arranged on the ground in a straight line shape; the first current transformer is vertically arranged and connected with the left end of the first breaker; the first isolating switch is horizontally arranged, and the lower part of the first isolating switch is connected with the first current transformer; the first grounding switch is placed above the first isolating switch; the first isolating switch is connected to a GIS I section bus through a GIS tee joint and a GIS conductor; the second current transformer is vertically arranged and connected with the right end of the first breaker; the second isolating switch is horizontally arranged, and the lower part of the second isolating switch is connected with a second current transformer; the second grounding switch is placed above the second isolating switch; the second isolating switch is connected to the third isolating switch through a GIS tee joint and a GIS conductor; the incoming line loop is connected between the second isolating switch and the third isolating switch through the GIS tee joint and the GIS conductor;
the third current transformer is vertically arranged and connected with the left end of the second breaker; the third isolating switch is horizontally arranged, and the lower part of the third isolating switch is connected with a third current transformer; the third grounding switch is placed above the third isolating switch; the third isolating switch is connected to the second isolating switch through a GIS tee joint and a GIS conductor; the fourth current transformer is vertically arranged and connected with the right end of the second circuit breaker; the fourth isolating switch is horizontally arranged, and the lower part of the fourth isolating switch is connected with a fourth current transformer; the fourth grounding switch is placed above the fourth isolating switch; the fourth isolating switch is connected to the fifth isolating switch through a GIS tee joint and a GIS conductor; the outgoing line loop is connected between the fourth isolating switch and the fifth isolating switch through the GIS tee joint and the GIS conductor;
the fifth current transformer is vertically arranged and connected with the left end of the third breaker; the fifth isolating switch is horizontally arranged, and the lower part of the fifth isolating switch is connected with a fifth current transformer; the fifth grounding switch is placed above the fifth isolating switch; the fifth isolating switch is connected to the fourth isolating switch through a GIS tee joint and a GIS conductor; the sixth current transformer is vertically arranged and connected with the right end of the third breaker; the sixth isolating switch is horizontally arranged, and the lower part of the sixth isolating switch is connected with a sixth current transformer; the sixth grounding switch is placed above the sixth isolating switch; and the sixth isolating switch is connected to a GIS II section bus through a GIS tee joint and a GIS conductor.
2. The GIS arrangement of one half-breaker connection according to claim 1, wherein the first to third breakers are arranged in parallel with GIS busbars, the GIS I and GIS II busbars being distributed on both sides of the breakers.
3. The GIS arrangement of one half-breaker connection according to claim 1, characterized in that the incoming and outgoing circuits are led out from the bus side of section I or from the bus side of section II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010286309.7A CN113540983A (en) | 2020-04-13 | 2020-04-13 | GIS arrangement structure of half circuit breaker wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010286309.7A CN113540983A (en) | 2020-04-13 | 2020-04-13 | GIS arrangement structure of half circuit breaker wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113540983A true CN113540983A (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010286309.7A Pending CN113540983A (en) | 2020-04-13 | 2020-04-13 | GIS arrangement structure of half circuit breaker wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113540983A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205646613U (en) * | 2016-03-28 | 2016-10-12 | 河南平高电气股份有限公司 | Gas -insulated metal enclosed switchgear and GIS power station of using this equipment |
| CN207559421U (en) * | 2017-12-07 | 2018-06-29 | 中国西电电气股份有限公司 | A kind of arrangement of GIS device |
| CN211958554U (en) * | 2020-04-13 | 2020-11-17 | 中国电建集团华东勘测设计研究院有限公司 | GIS arrangement structure of half circuit breaker wiring |
-
2020
- 2020-04-13 CN CN202010286309.7A patent/CN113540983A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205646613U (en) * | 2016-03-28 | 2016-10-12 | 河南平高电气股份有限公司 | Gas -insulated metal enclosed switchgear and GIS power station of using this equipment |
| CN207559421U (en) * | 2017-12-07 | 2018-06-29 | 中国西电电气股份有限公司 | A kind of arrangement of GIS device |
| CN211958554U (en) * | 2020-04-13 | 2020-11-17 | 中国电建集团华东勘测设计研究院有限公司 | GIS arrangement structure of half circuit breaker wiring |
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