CN108683082B - Power station at dam toe's outlet method for arranging - Google Patents
Power station at dam toe's outlet method for arranging Download PDFInfo
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- CN108683082B CN108683082B CN201810648080.XA CN201810648080A CN108683082B CN 108683082 B CN108683082 B CN 108683082B CN 201810648080 A CN201810648080 A CN 201810648080A CN 108683082 B CN108683082 B CN 108683082B
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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
- H02B1/202—Cable lay-outs
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of power station at dam toe's outlet method for arranging, and using the solid space between structure of hydropower station main building, auxiliary power house and dam body, in the solid space ground configuration main transformer, upper space arranges aerial condutor；Outlet disconnecting switch and outlet arrester are arranged in auxiliary power house roof, gate outlet structure is set on the roof of the shared constructional column of main building and auxiliary power house joining place, according to the electrical equipment order of connection requirement selected in the electric hookup of design, power station outlet arrangement is completed.The invention has the advantages that realizing that clear outlet arrangement in power station, power plant construction small investment, occupied area are small under the premise of guaranteeing that electrical operation is reliable, being convenient for operation maintenance management.
Description
Technical field
The present invention relates to construction of hydropower stations fields, more particularly, to power station at dam toe's outlet method for arranging.
Background technique
Currently, the construction of hydropower stations mostly uses formula arrangement behind the dam of power station, according to hydraulic and hydroelectric engineering dam site region
Geology, the type of landform and dam determines.The distance between factory building object and dam are long or short, factory building object with
Between dam it is more spacious under conditions of, there is no difficulties for power station outlet Ground arrangement.When between factory building object and dam
When being closer, power station outlet place can not be arranged, currently available technology scheme is usually in addition to select near power station
The facilities such as framework necessary to conducting wire are sent out in outlet Ground arrangement electrical equipment and power station；Electric energy, which is sent out, passes through cable by power station
Conducting wire is to the field of line out；Have the disadvantage that while the field of line is in addition selected near power station
1, due to factory building object nearby have lay out the field of line condition it is often poor, excavation, embankment and traffic route
It is big to build investment；
2, power station is by cable conductor to the field of line out, and cable purchase cost is high, and cable duct excavation project amount is big, and cable is sent
Electricity operation reliability does not have aerial condutor high reliablity；When cable breaks down, determines that abort situation is not intuitive, often to borrow
Failure instrument equipment is helped to debug, and aerial condutor is compared in cable debugging, repair time is long；
3, the construction of hydropower stations goes out the field of line and will face expropriation of land again, excavate hillside, smooth location, leads to the broken of environmental ecology
It is bad.
4, power station is built up put into operation after, operator on duty make an inspection tour maintenance span including outlet field device, make an inspection tour maintenance people
Member needs descending of climbing on hill path, it is big to make an inspection tour range, or even also to configure special-purpose vehicle, makes an inspection tour maintenance personnel's labor intensity
It is high.
Summary of the invention
It is an object of that present invention to provide a kind of power station at dam toe's outlet method for arranging, make full use of the major and minor factory in power station
Space between room and dam is completed power station electric energy and is sent out.
To achieve the above object, the present invention takes following technical proposals:
Outlet method for arranging in power station at dam toe's of the present invention, using structure of hydropower station main building, auxiliary power house with
Solid space between dam body, in the solid space ground configuration main transformer, upper space arranges aerial condutor；It is secondary
On the roof of the shared constructional column of factory roof arrangement outlet disconnecting switch and outlet arrester, main building and auxiliary power house joining place
Gate outlet structure is set, according to the electrical equipment order of connection requirement selected in the electric hookup of design, completes power station
Outlet arrangement.
The auxiliary power house is arranged in the main building upstream side, i.e., close to the dam body side；It is arranged in the solid space
Main transformer on ground is the first main transformer and the second main transformer two, is arranged in the aerial condutor on solid space top
It is divided into upper layer, centre, three layer arrangement of lower layer；
Lower layer's aerial condutor is two circuits (three, every circuit conductor), and the aerial condutor both ends in two circuits are logical
It crosses hanging wire ring and insulation subgroup string is connected to auxiliary power house upstream side wall and dam body slope section, institute is realized in first circuit
The electrical connection between the first main transformer high-pressure side and its incoming line cabinet is stated, the second main transformer pressure is realized in second circuit
Electrical connection between device high-pressure side and its incoming line cabinet；
The middle layer aerial condutor is a circuit, and the aerial condutor both ends in the circuit pass through hanging wire ring and insulation subgroup
String is connected to dam body upper vertical section and gate outlet structure horizontal gird, realizes power station high-voltage terminal cabinet and auxiliary power house
The outlet disconnecting switch of roof arrangement, the electrical connection between outlet arrester；Outlet disconnecting switch series connection access water power
Stand send out circuit, outlet arrester parallel connection access power station send out circuit, the grounded downlead of outlet arrester neutral point with connect
Earth mat connection；
The upper layer aerial condutor is two steel strand wires, and the both ends of two steel strand wires are connected to dam by hanging wire ring
Body upper vertical section and gate outlet structure horizontal gird, and grounded downlead is connect with the grounded screen, as lightning conducter
It uses, for elevation the first, second main transformer below and aerial condutor where protecting it from lightning stroke.
Two generating sets are arranged in the main building, the equipment in the auxiliary power house is divided into three layer arrangements, lower layer space
It arranges that generator machine is pressed and measures cabinet and equipment connection conductor, middle space placement machine press-fitting electric cabinet (including machine pressure bus in cabinet),
Machine extrusion line cabinet and equipment connect conductor, and upper space arranges high voltage power distributing cabinet (including high pressure main bus-bar in cabinet), power station outlet
Cabinet and equipment connect conductor.
In auxiliary power house upstream side outdoor surfaces between the first, second main transformer and dam body, there are set
Standby transport channel and passageway for fire apparatus；To guarantee tour and maintenance during the operation of power station to each subgroup string that insulate, in institute
It states dam body vertical section and slope section is located at the insulation subgroup string maintenance for being provided with protection railing at the hanging wire ring position respectively
Platform.
The invention has the advantages that realizing that clear, power plant construction is arranged in power station outlet under the premise of guaranteeing that electrical operation is reliable
Small investment, occupied area are small, are convenient for operation maintenance management.Major embodiment is in the following areas:
1, the safe and reliable row of hydroelectric station operation is improved；By to Operation of Electric Systems experience and crash analysis, with single
For route, overhead transmission line low with respect to cable run accident probability 70%, the accident of cable run occur mainly in cable termination and
Cable intermediate joint position.
2, prior art is usually that the field of line is in addition selected near power station, and electric energy, which is sent out, passes through electricity by power station
Cable road is to the field of line out, and cable purchase cost is high, and cable duct excavation project amount is big, about 60~700,000 yuan/km of 35kV cable,
35kV cable laying civil construction about 20~300,000 yuan/km of expense, about 0.8 ten thousand yuan/t of overhead line conductor, metal frame
About 0.6 ten thousand yuan/t of material is calculated by power station (2 × 20MW of installation) main building to for going out field of line distance 1000m, using 35kV
About 900,000 yuan of cable expense；Power station at dam toe's outlet method for arranging overhead line conductor and metal frame fee of material of the present invention
With about 50,000 yuan, only 850,000 yuan of circuit pack investment reduction.
3, outlet method for arranging in power station at dam toe's of the present invention can face to avoid construction of hydropower stations outlet scene and levy again
Ground, excavation hillside, smooth location etc. influence the generation of environmental ecology event.
4, outlet method for arranging in power station at dam toe's of the present invention, power station is built up put into operation after, operator on duty make an inspection tour maintenance model
Enclose small, operations staff's labor intensity reduces significantly.
Detailed description of the invention
Fig. 1 is the power station at dam toe's outlet arrangement schematic diagram implemented according to the method for the present invention.
Fig. 2 is the schematic diagram in A-A direction of Fig. 1.
Fig. 3 is outlet electric hookup in power station at dam toe's of the present invention.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention, the present embodiment before being with technical solution of the present invention
It puts and is implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to down
State embodiment.
As shown in Figure 1-3, outlet method for arranging in power station at dam toe's of the present invention, utilizes hydropower station simulation owner factory
Solid space between room 1, auxiliary power house 2 and dam body 3, in solid space ground configuration main transformer, upper space arrangement is aerial
Conducting wire；Outlet disconnecting switch 4 and outlet arrester 5, the shared structure of main building 1 and 2 joining place of auxiliary power house are arranged in 2 roof of auxiliary power house
Setting gate outlet structure 7 on the roof of column 6 is made, is wanted according to the electrical equipment order of connection selected in the electric hookup of design
It asks, completes power station outlet arrangement.
Specific implementation method is as follows:
Auxiliary power house 2 is arranged in 1 upstream side of main building, i.e., close to 3 side of dam body；It is arranged between auxiliary power house 2 and dam body 3 and stands
Main transformer on the ground of body space is the first main transformer 8 and the second main transformer 9 two, is arranged in solid space top
Aerial condutor is divided into upper layer, centre, lower layer.
Lower layer's aerial condutor 10 is two circuits (three, every circuit conductor), 10 liang of lower layer's aerial condutor in two circuits
End is connected to 2 upstream side wall of auxiliary power house and dam body slope section 13 by hanging wire ring and insulation subgroup string 12,11；Lower layer is aerial
The electrical connection between 8 high-pressure side of the first main transformer and its incoming line cabinet 8.1 is realized in first circuit of conducting wire 10, and lower layer is aerial
Realize the electrical connection between 9 high-pressure side of the second main transformer and its incoming line cabinet 9.1 in second circuit of conducting wire 10.
Middle layer aerial condutor 14 is a circuit (three conductors), and 14 both ends of aerial condutor in the circuit pass through hanging wire ring
It is connected to 3 upper vertical section of dam body and 7 horizontal gird of gate outlet structure with insulation subgroup string 15,16, realizes power station
High-voltage terminal cabinet 17 and the electrical connection being arranged between the outlet disconnecting switch 4 on 2 roof of auxiliary power house, outlet arrester 5；Outlet
Circuit is sent out in the series connection access of disconnecting switch 4 power station, and circuit, outlet arrester 5 are sent out in the access power station in parallel of outlet arrester 5
The grounded downlead of neutral point is connect with grounded screen.
Upper layer aerial condutor 18 is two steel strand wires, and the both ends of two steel strand wires are connected to dam body by hanging wire ring
7 horizontal gird of 3 upper vertical sections and gate outlet structure, and grounded downlead is connect with grounded screen, is used as lightning conducter,
For elevation the first, second main transformer 8,9 below and lower layer's aerial condutor 10, middle layer aerial condutor 14 where protecting it
From lightning stroke.
Two generating sets 19 are arranged in main building 1, the equipment in auxiliary power house 2 is divided into three layer arrangements, lower layer space arrangement
Generator machine pressure measurement cabinet 20 and equipment connect conductor, and middle space placement machine is press-fitted in electric cabinet 21(cabinet and presses bus comprising machine),
Machine extrusion line cabinet 25 and machine press common box bus 26, and upper space arranges high voltage power distributing cabinet (including high pressure main bus-bar in cabinet), water power
Stand high-voltage terminal cabinet 17 and equipment connection conductor.
Auxiliary power house upstream side outdoor surfaces between the first, second main transformer 8,9 and dam body 3 there are
Equipment removal path and passageway for fire apparatus；To guarantee tour and maintenance during the operation of power station to each subgroup string that insulate, in dam body 3
Vertical section and slope section 13 be located at be provided with respectively at hanging wire ring position protection railing insulation subgroup string inspection platform 22,
23、24。
The electric energy of power station at dam toe of the present invention sends out path are as follows:
It include machine pressure in 19 → generator of generator lead-out wire → generator machine pressure measurement 20 → machine of cabinet press-fitting electric cabinet 21(cabinet
Bus), machine extrusion line 25 → machine of cabinet press 26 → main transformer of common box bus 8 (9) → lower layer, 10 → incoming line cabinet of aerial condutor 8.1
(9.1) include high pressure main bus-bar in → high-voltage terminal cabinet 17(cabinet) → middle layer 14 → outlet of aerial condutor disconnecting switch 4 → go out
Send out conducting wire → power system transformer substation in 5 → power station of line arrester.
Claims (3)
1. a kind of power station at dam toe's outlet method for arranging, it is characterised in that: using structure of hydropower station main building, auxiliary power house with
Solid space between dam body, in the solid space ground configuration main transformer, upper space arranges aerial condutor；It is secondary
On the roof of the shared constructional column of factory roof arrangement outlet disconnecting switch and outlet arrester, main building and auxiliary power house joining place
Gate outlet structure is set, according to the electrical equipment order of connection requirement selected in the electric hookup of design, completes power station
Outlet arrangement；
The auxiliary power house is arranged in the main building upstream side, i.e., close to the dam body side；It is arranged in the solid space ground
On main transformer have two, respectively the first main transformer and the second main transformer are arranged in the aerial of solid space top
Conducting wire is divided into upper layer, centre, three layer arrangement of lower layer；
Lower layer's aerial condutor is two circuits, and the aerial condutor both ends in two circuits pass through hanging wire ring and insulation subgroup string
It is connected to auxiliary power house upstream side wall and dam body slope section, first main transformer high-pressure side is realized in first circuit
With the electrical connection between its incoming line cabinet, second circuit realize second main transformer high-pressure side and its incoming line cabinet it
Between electrical connection；
The middle layer aerial condutor is a circuit, and the aerial condutor both ends in the circuit pass through hanging wire ring and insulation subgroup string point
It is not connected to dam body upper vertical section and gate outlet structure horizontal gird, realizes power station high-voltage terminal cabinet and auxiliary power house roof
The outlet disconnecting switch of arrangement, the electrical connection between outlet arrester；It send in outlet disconnecting switch series connection access power station
Circuit out, outlet arrester parallel connection access power station and send out circuit, the grounded downlead of outlet arrester neutral point and grounded screen
Connection；
The upper layer aerial condutor is two steel strand wires, and the both ends of two steel strand wires are connected on dam body by hanging wire ring
Portion's vertical section and gate outlet structure horizontal gird, and grounded downlead is connect with the grounded screen, is used as lightning conducter.
2. outlet method for arranging in power station at dam toe's according to claim 1, it is characterised in that: arrangement in the main building
Two generating sets, the equipment in the auxiliary power house are divided into three layer arrangements, lower layer space arrangement generator machine pressure measurement cabinet and set
Standby connection conductor, middle space placement machine are press-fitted electric cabinet, machine extrusion line cabinet and equipment and connect conductor, and upper space arrangement high pressure is matched
Electric cabinet, power station outgoing line cabinet and equipment connect conductor.
3. outlet method for arranging in power station at dam toe's according to claim 1, it is characterised in that: in the auxiliary power house upstream
Side outdoor surfaces are between first, second main transformer and dam body, and there are equipment removal paths and passageway for fire apparatus；To protect
To the tour and maintenance of each insulation subgroup string during demonstrate,proving power station operation, it is located at institute in the dam body vertical section and slope section
State the insulation subgroup string inspection platform for being provided with protection railing at hanging wire ring position respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648080.XA CN108683082B (en) | 2018-06-22 | 2018-06-22 | Power station at dam toe's outlet method for arranging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648080.XA CN108683082B (en) | 2018-06-22 | 2018-06-22 | Power station at dam toe's outlet method for arranging |
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| Publication Number | Publication Date |
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| CN108683082A CN108683082A (en) | 2018-10-19 |
| CN108683082B true CN108683082B (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810648080.XA Active CN108683082B (en) | 2018-06-22 | 2018-06-22 | Power station at dam toe's outlet method for arranging |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742652B (en) * | 2019-03-22 | 2024-03-12 | 天津市天发重型水电设备制造有限公司 | Improved structure of main outgoing line of through-flow hydropower station generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203034429U (en) * | 2012-08-01 | 2013-07-03 | 卢江江 | Semi-buried type hydroelectric power house |
| CN203684746U (en) * | 2013-11-13 | 2014-07-02 | 中国电力工程顾问集团西北电力设计院 | Plant layout structure of large-sized low and medium-heat value gas turbine unit of IGCC (integrated gasification combined cycle) power station |
| CN204333852U (en) * | 2014-12-02 | 2015-05-13 | 中国电力工程顾问集团中南电力设计院有限公司 | 500kV hydroelectric station outlet anchor point arrangement |
-
2018
- 2018-06-22 CN CN201810648080.XA patent/CN108683082B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203034429U (en) * | 2012-08-01 | 2013-07-03 | 卢江江 | Semi-buried type hydroelectric power house |
| CN203684746U (en) * | 2013-11-13 | 2014-07-02 | 中国电力工程顾问集团西北电力设计院 | Plant layout structure of large-sized low and medium-heat value gas turbine unit of IGCC (integrated gasification combined cycle) power station |
| CN204333852U (en) * | 2014-12-02 | 2015-05-13 | 中国电力工程顾问集团中南电力设计院有限公司 | 500kV hydroelectric station outlet anchor point arrangement |
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| CN108683082A (en) | 2018-10-19 |
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Address after: 450003 Zhengzhou Jinshui Road, Henan, No. 109 Applicant after: Yellow River Survey Planning and Design Research Institute Co., Ltd. Address before: 450003 Zhengzhou Jinshui Road, Henan, No. 109 Applicant before: Yellow River Engineering Consulting Co., Ltd. |
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