CN104821490B - A kind of 500kV HGIS power distribution equipment arrangement - Google Patents
A kind of 500kV HGIS power distribution equipment arrangement Download PDFInfo
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- CN104821490B CN104821490B CN201510264984.9A CN201510264984A CN104821490B CN 104821490 B CN104821490 B CN 104821490B CN 201510264984 A CN201510264984 A CN 201510264984A CN 104821490 B CN104821490 B CN 104821490B
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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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Abstract
The invention discloses a kind of 500kV HGIS power distribution equipment arrangement, belongs to Ultra-high Voltage Substations design and construction technical field.Including two groups of buses, the bottom architecture for hanging bus, middle layer architecture, top layer framework, along the interval of bus horizontally set, the complete string being placed in interval, completely string and a c-type are completely gone here and there an I type to be arranged in an interval, completely string and the complete string of c-type are arranged in parallel I type, and completely string and the complete string of c-type are corresponded to respectively I type according to A, B, C three-phase.Under the premise of safe and reliable operation is ensured, arrangement two is complete in the interval goes here and there the present invention, abundant while join string scheme, is significantly compression 500kV power distribution equipment region floor space, and cost of reducing investment outlay extends convenient construction reliability.
Description
Technical field
The invention belongs to Ultra-high Voltage Substations design and construction technical field, in more particularly to a kind of Ultra-high Voltage Substations
The arrangement of 500kV HGIS power distribution equipment.
Background technology
500kV transformer station is the load-center substation of power system, plays very important effect to regional economic life.Receive
The factors such as environment, economic indicator affect, and have more and more employed compound gas in China's 500kV transformer substation power distribution unit
Body insulation combination switchgear(HGIS).
Composite and gas-insulated stacked switch equipment(HGIS), it is that the bus in 500kV power distribution equipment is adopted open type
Hanging tubular bus(Hanging tubular bus are to lift pipe bus with insulator chain, are suspended on bus gate framework, are to be situated between
A kind of form of bus bars between the soft bus and support type busbar line of strain insulator, generally uses aluminium-alloy pipe bus, with antidetonation
Performance is good, and bus sag, windage yaw are waved and the advantage little to framework pulling force, is used for superhigh voltage distribution equipment and earthquake multiplely
The 220KV power distribution equipment in area), and by breaker(GCB), disconnecting switch(DS), earthed switch(ES), high speed grounding switch
(FES)And current transformer(CT)It is closed in metal shell Deng primary equipment, and interior SF6 gas-insulated of filling constitutes.Bus
Earthed switch, arrester and voltage transformer can be built in HGIS equipment, also can external employing opening-type equipment.It absorbs
The too high negative issue for bringing of GIS integrated level and AIS monolithic element combination floor space excessive the problems such as, tight with simple structure
Gather, floor space little, operational reliability is high, and maintenance workload is little, and easy for installation, foundation of civil work amount is few, short construction period, oil-free
The advantages of environmental protection.
500kV HGIS power distribution equipment forms one complete using 3 breaker series connection between the bus of 3/2 mode of connection, i.e., 2
Whole string.Two transmission line circuits are supplied from extraction transmission line circuit, i.e., 3 breaker between 2 adjacent breakers in a complete string,
Used as sharing, equivalent to each transmission line circuit with 1.5 breakers, therefore also referred to as one half breaker connects middle breaker
Line.In a complete string of 3/2 wiring, 2 breakers for being connected to bus are referred to as side breaker, and middle breaker is referred to as
Middle breaker.
In 500kV HGIS power distribution equipment, along several intervals of bus horizontally set, in an interval, arrangement one is complete
Whole string(Namely one be completely serially connected between two groups of buses), with three breakers in complete string as arrangement unit, arrangement side
Formula mainly has three kinds:
A) " 1+1+1 " mode
In HGIS power distribution equipment, 3 breakers are all each independent, connect and compose a complete string by flexible circuit conductor to each other.
B) " 2+1 " mode
In HGIS power distribution equipment, 2 breakers are linked to be an entirety, and another 1 breaker independence, centre are connected by flexible circuit conductor
Connect the complete string of composition one.
C) " 3+0 " mode
In HGIS power distribution equipment, 3 breakers are linked to be one and are monolithically fabricated one and complete go here and there.
Above-mentioned 3 kinds conventional 500kV HGIS arrangements are at interval of one complete string of interior configuration, and the number being spaced
Measure by main wiring mode and join string mode control be difficult reduce, therefore above-mentioned 3 kinds of arrangement floor spaces are larger, and
Cause every the quantity framework consumption steel material big more, and then the cost of investment for causing transformer station total is higher, reorganization and expansion construction inconvenience, economical
Social benefit is poor.
Content of the invention
The present invention proposes a kind of 500kV HGIS power distribution equipment arrangement, under the premise of safe and reliable operation is ensured,
Arrangement two is complete in the interval goes here and there, abundant while join string scheme, is significantly compression 500kV power distribution equipment region and takes up an area face
Product, cost of reducing investment outlay, extend convenient construction reliability.
For solving above-mentioned technical problem, the technical approach taken by the present invention is:
A kind of 500kV HGIS power distribution equipment arrangement, including two groups of buses, the bottom architecture for hanging bus, middle layer frame
Structure, top layer framework, along the interval of bus horizontally set, be placed in interval in complete string, one interval in arrange an I type complete
Whole string and a c-type are completely gone here and there, I type completely string and c-type completely string is arranged in parallel, I type completely string and c-type completely string according to A, B,
C three-phase is corresponded to respectively;
Completely two side breakers of string and middle breaker are on same straight line, on the outside of two side breakers I type
End is respectively provided with the bus casing of a connection bus, is provided with a HGIS lead collar between two side breakers and middle breaker
Pipe I and HGIS outlet casing tube II, HGIS outlet casing tube I are passed sequentially through between the insulator chain on flexible circuit conductor, middle layer architecture and are jumped
Wire jumper connection transmission line circuit between the insulator chain on line, oblique pull cross-line, top layer framework, HGIS outlet casing tube II pass sequentially through soft leading
Between the insulator chain between the insulator chain on line, middle layer architecture on wire jumper and horizontal cross-line, top layer framework, wire jumper connection outlet is returned
Road;
Middle the breaker of the complete string of c-type is located at I type and completely goes here and there side, and two side breakers that c-type is completely gone here and there distinguish position
In two outer ends of the complete string of I type and with I type, completely string is in same straight line, and two side breakers of the complete string of c-type are utilized respectively
The bus casing connection bus that I type adjacent thereto is completely gone here and there, c-type is completely between two side breakers of string and middle breaker
It is provided with a HGIS outlet casing tube III and HGIS outlet casing tube IV.
Further, HGIS outlet casing tube III passes sequentially through flexible circuit conductor and the connection of the insulator chain in bottom architecture
Transmission line circuit, HGIS outlet casing tube IV pass sequentially through flexible circuit conductor and the connection transmission line circuit of the insulator chain on middle layer architecture.
Further, middle the breaker of the complete string of c-type is located at the I type completely outside of string completely to go here and there level with I type flat
OK.
It is using the beneficial effect produced by above-mentioned technical approach:The present invention ensure safe and reliable operation under the premise of,
By an I type, completely string and a c-type are completely gone here and there and are arranged in a 500kV HGIS interval, greatly reduce 500kV HGIS
The interval total quantity of power distribution equipment, so as to be significantly compression 500kV HGIS power distribution equipment region floor space, had both met HGIS
The advantage that power distribution equipment saving is taken up an area, meets the requirement of electric power arrangement safe distance and safe operation, reasonable in design, wiring again
Convenient, foundation of civil work amount is few, short construction period, and framework consumption steel material is few, extends convenient construction reliability, and conventional arrangement form is received
The effect that can not play that the saving of HGIS power distribution equipment region is taken up an area very well is limited between bus casing and flexible circuit conductor with electrical distance;
Two side breakers that c-type is completely gone here and there are utilized respectively the bus casing connection bus that I type adjacent thereto is completely gone here and there,
Two bus casing connection buses are so only needed to(Originally two complete strings need four bus casings), save two buses
Sleeve pipe, cost of investment are saved further;Completely string and the complete string of c-type are arranged in parallel respectively I type according to A, B, C three-phase, and design is tight
Gather;The middle breaker that c-type is completely gone here and there is located at the outside that I type is completely gone here and there, convenient to install and maintain;
C-type is completely gone here and there using bottom and directly passes in and out cable architecture and middle level across turnover cable architecture:HGIS outlet casing tube III according to
Secondary transmission line circuit is connected by flexible circuit conductor and the insulator chain in bottom architecture, HGIS outlet casing tube IV passes sequentially through soft
Wire and the connection transmission line circuit of the insulator chain on middle layer architecture;
Completely string steps into outlet structure using middle level across turnover cable architecture and top layer height to I type:HGIS outlet casing tube I is successively
Connected by wire jumper between the insulator chain on wire jumper, oblique pull cross-line, top layer framework between the insulator chain on flexible circuit conductor, middle layer architecture
Transmission line circuit, HGIS outlet casing tube II pass sequentially through wire jumper and horizontal cross-line, top between the insulator chain on flexible circuit conductor, middle layer architecture
Wire jumper connection transmission line circuit between the insulator chain on layer architecture.
Bottom directly passes in and out cable architecture, middle level and steps into the three layers of turnover of outlet structure composition across turnover cable architecture, top layer height
Cable architecture, optimizes HGIS power distribution equipment planar layout structure, enriches and join string scheme, for convenience of HGIS power distribution equipment operation dimension
Shield provides new tool, with higher economic and social benefits.
Description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the electrical wiring sketch of the present invention.
Fig. 2 is horizontal layout sketch of the present invention.
Fig. 3 is that the present invention installs sectional drawing.
Wherein, 1, c-type is completely gone here and there, 2, I type completely go here and there, 5, bus casing, 7, bottom architecture, 8, middle layer architecture, 9, top layer
Framework, 10, Cantilever Beams, 13, side breaker, 14, middle breaker, 23, side breaker, 24, middle breaker, 61, HGIS goes out
Thread casing I, 62, HGIS outlet casing tube II, 63, HGIS outlet casing tube III, 64, HGIS outlet casing tube IV.
Specific embodiment
The present invention is described in further details with reference to embodiment.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of 500kV HGIS power distribution equipment arrangement, including two groups of buses, hangs bus
Bottom architecture 7, middle layer architecture 8, top layer framework 9, along the interval of bus horizontally set, be placed in interval in complete string, middle level
Framework 8 is all vertical with bottom architecture 7 and top layer framework 9, arranges the complete string 2 of an I type and a c-type is complete in an interval
String 1, I type completely string 2 and c-type completely 1 horizontal parallel of string is arranged side by side, and I type completely string 2 completely goes here and there 1 positioned at inner side, c-type
In outside, completely string 2 and the complete string 1 of c-type are corresponded to respectively I type according to A, B, C three-phase.
Chevron shaped support column is welded between bottom architecture 7, middle layer architecture 8, top layer framework 9 and ground, play to above-mentioned bottom
The support of layer architecture 7, middle layer architecture 8 and top layer framework 9;Triangle Cantilever Beams 10 are welded at hanging wire point on intermediate frame 8,
10 end of triangle Cantilever Beams is respectively mounted strain insulator string and suspension insulator, in 9 or so two ends of top layer framework
It is respectively mounted two strain insulator strings(Two strain insulator strings of three You Chu end of figure are arranged for vertical paper direction, therefore
Do not see in figure three), tie jumper between the strain insulator string on top layer framework 9, the strain insulator string on intermediate frame 8
Tie jumper and suspension insulator between, the strain insulator string connection cross-line between top layer framework 9 and middle layer architecture 8, figure
Three left sides for oblique pull cross-line, three right side of figure for horizontal cross-line;Suspension insulator and flexible circuit conductor connection, strain insulator string
It is used for controlling the top layer wire of top layer framework 9 to draw lower position with suspension insulator, triangle Cantilever Beams 10 are insulated by strain insulator
Substring is connected with oblique pull cross-line and wire jumper and by flexible circuit conductor in strain insulator string by 10 hanging wire point of Cantilever Beams through suspension insulator
String and flexible circuit conductor access HGIS outlet casing tube 6.
I type completely two side breakers 23 of string 2 and centre breaker 24 be connected by the conductor of HGIS power distribution equipment,
And on same straight line, two 23 outboard ends of side breaker are respectively provided with the bus casing 5 of a connection bus, two bus sheaths
Pipe 5 is all connected with bus by flexible circuit conductor;Completely string 2 is provided with two HGIS outlet casing tubes to I type, the side open circuit of the complete string 2 of I type
A HGIS outlet casing tube I 61 and HGIS outlet casing tube II 62, a HGIS are respectively equipped between device 23 and middle breaker 24
Outlet casing tube I pass sequentially through between the strain insulator string on flexible circuit conductor, Cantilever Beams 10 and suspension insulator wire jumper, oblique pull across
Wire jumper connection transmission line circuit between the insulator chain on line, top layer framework 9, HGIS outlet casing tube II 62 pass sequentially through flexible circuit conductor, hang
Between the insulator chain between the strain insulator string and suspension insulator on outrigger 10 on wire jumper and horizontal cross-line, top layer framework 9
Wire jumper connects transmission line circuit.
Two side breakers 13 of the complete string 1 of c-type and middle breaker 14 are also by the conductor inside HGIS power distribution equipment
Be in series, c-type completely go here and there 1 middle breaker 14 be located at I type completely 2 outside of string and with complete 2 horizontal parallel of string of I type, two
Side breaker 13 is located at two outer ends of the complete string 2 of I type respectively and completely string 2 is in same straight line, two side breakers with I type
13 bus casings 5 for being utilized respectively the complete string 2 of I type adjacent thereto are connected with bus by flexible circuit conductor, namely the complete string 1 of c-type
Two while breaker 13 respectively with I type adjacent thereto completely string 2 while breaker 23 share a bus casing 5;C-type is complete
Whole string 1 also is provided with two HGIS outlet casing tubes, i.e. c-type and completely divides between two side breakers 13 of string 1 and middle breaker 14
The HGIS outlet casing tube III 63 that connect transmission line circuit and a HGIS outlet casing tube IV 64 are not provided with, due to side breaker 13
With 14 horizontal parallel of middle breaker, therefore HGIS outlet casing tube III 63 and HGIS outlet casing tube IV 64 are arranged on c-type completely string 1
14 two ends of middle breaker, HGIS outlet casing tube III 63 is directly connected to by the insulator chain on flexible circuit conductor and bottom architecture 7
Transmission line circuit, HGIS outlet casing tube IV 64 is by the suspension insulator on flexible circuit conductor, middle layer architecture 8 and strain insulator series winding
Pick out line loop.
When this programme arrangement is implemented, according to construction drawing first by the bottom architecture 7 on bus, middle layer architecture 8 and top layer
Framework 9 is erected, and is then carried out wire jumper between middle layer architecture 8 and the insulator chain on top layer framework 9, cross-line and insulator chain and is installed,
Bus is pipe bus, and pipe bus is hung in bottom architecture 7 by V-type suspension insulator.By one interval of HGIS power distribution equipment
According to A, B, C three-phase, horizontal Tile is fixed in concrete foundation the complete string 2 of interior c-type 1 and I type of complete string respectively, and c-type is complete
String 1 is located at outside, and completely string 2 is located at inner side to I type.Bus casing 5 and pipe bus are connected by flexible circuit conductor, by flexible circuit conductor, absolutely
Edge substring connects corresponding HGIS outlet casing tube and its transmission line circuit.
Completely the complete string 2 of 1 and I type of string all can be arranged c-type according to " 1+1+1 ", " 2+1 " or " 3+0 " mode, not shadow
Ring the integral arrangement structure of the present invention.
Claims (2)
1. a kind of 500kV HGIS power distribution equipment arrangement, including two groups of buses, hangs the bottom architecture of bus(7), middle level
Framework(8), top layer framework(9), along the interval of bus horizontally set, be placed in interval in complete string, it is characterised in that:At one
Arrange an I type completely to go here and there in interval(2)Completely go here and there with a c-type(1), I type completely goes here and there(2)Completely go here and there with c-type(1)Parallel cloth
Put, I type is completely gone here and there(2)Completely go here and there with c-type(1)Corresponded to according to A, B, C three-phase respectively;
I type is completely gone here and there(2)Two side breakers(23)With middle breaker(24)On same straight line, in two side open circuits
Device(23)Outboard end is respectively provided with the bus casing of a connection bus(5), two side breakers(23)With middle breaker(24)
Between be provided with a HGIS outlet casing tube I(61)With a HGIS outlet casing tube II(62), HGIS outlet casing tube I(61)Lead to successively
Cross flexible circuit conductor, middle layer architecture(8)On insulator chain between wire jumper, oblique pull cross-line, top layer framework(9)On insulator chain between wire jumper
Connection transmission line circuit, HGIS outlet casing tube II(62)Pass sequentially through flexible circuit conductor, middle layer architecture(8)On insulator chain between wire jumper and
Horizontal cross-line, top layer framework(9)On insulator chain between wire jumper connection transmission line circuit;
C-type is completely gone here and there(1)Middle breaker(14)Completely go here and there positioned at I type(2)Side, c-type are completely gone here and there(1)Two side open circuits
Device(13)Completely go here and there positioned at I type respectively(2)Two outer ends and completely go here and there with I type(2)In same straight line, two side breakers
(13)It is utilized respectively I type adjacent thereto completely to go here and there(2)Bus casing(5)Connection bus, two side breakers(13)With in
Between breaker(14)Between be provided with a HGIS outlet casing tube III(63)With HGIS outlet casing tube IV(64);
HGIS outlet casing tube III(63)Pass sequentially through flexible circuit conductor and be located at bottom architecture(7)On insulator chain connection outlet return
Road, HGIS outlet casing tube IV(64)Pass sequentially through flexible circuit conductor and be located at middle layer architecture(8)On insulator chain connection transmission line circuit.
2. a kind of 500kV HGIS power distribution equipment arrangement according to claim 1, it is characterised in that:C-type is completely gone here and there
(1)Middle breaker(14)Completely go here and there positioned at I type(2)Outside and completely go here and there with I type(2)Horizontal parallel.
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CN104821490B true CN104821490B (en) | 2017-03-08 |
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Families Citing this family (5)
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CN105958320B (en) * | 2016-05-27 | 2018-03-27 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of 500 kilovolts of HGIS power distribution device structures in open air |
CN107317226A (en) * | 2017-07-31 | 2017-11-03 | 中国电力技术装备有限公司郑州电力设计院 | A kind of transformer station's general electric arrangement structure |
CN107503526B (en) * | 2017-08-15 | 2019-09-13 | 国网山西送变电工程有限公司 | The imperfect string enlarging of 500kV substation is complete string power cut construction method |
CN109256685A (en) * | 2018-09-25 | 2019-01-22 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of 750kV open type distribution device method for arranging |
CN110994373B (en) * | 2019-12-16 | 2021-11-26 | 四川电力设计咨询有限责任公司 | Bus arrangement structure of HGIS power distribution device |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH11146516A (en) * | 1997-11-04 | 1999-05-28 | Mitsubishi Electric Corp | Gas insulated switchgear |
CN103078261A (en) * | 2013-01-15 | 2013-05-01 | 江苏省电力设计院 | 500kV outdoor HGIS (hybrid gas insulated switchgear) arrangement method in extra-high-voltage transformer substation |
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Address after: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee after: China Electric Power Construction Group Hebei electric survey and Design Research Institute Co., Ltd. Address before: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee before: Hebei Province Power Surveying Design & Research Institute |