CN208316035U - Power station at dam toe's outlet system - Google Patents
Power station at dam toe's outlet system Download PDFInfo
- Publication number
- CN208316035U CN208316035U CN201820964827.8U CN201820964827U CN208316035U CN 208316035 U CN208316035 U CN 208316035U CN 201820964827 U CN201820964827 U CN 201820964827U CN 208316035 U CN208316035 U CN 208316035U
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- CN
- China
- Prior art keywords
- outlet
- auxiliary power
- aerial condutor
- power station
- power house
- 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.)
- Expired - Fee Related
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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
Abstract
The utility model discloses a kind of power station at dam toe's outlet systems, including structure of hydropower station main building, auxiliary power house, dam body；Auxiliary power house is arranged in main building upstream side；Auxiliary power house roof is provided with outlet disconnecting switch and outlet arrester, is provided with gate outlet structure on main building and the roof of the shared constructional column of auxiliary power house joining place；It is provided with the first main transformer and the second main transformer on ground between auxiliary power house and dam body, aerial condutor is provided between auxiliary power house and dam body, aerial condutor divides upper layer, centre, three layer arrangement of lower layer；Electrical connection between lower layer's aerial condutor for transformer high-pressure side and its incoming line cabinet；Middle layer aerial condutor is for the electrical connection between the outlet disconnecting switch of power station high-voltage terminal cabinet and auxiliary power house roof arrangement, outlet arrester；Upper layer aerial condutor is used as lightning conducter.The utility model lies in that realizing that clear outlet arrangement in power station, power plant construction small investment, occupied area are small, being convenient for operation maintenance management.
Description
Technical field
The utility model relates to construction of hydropower stations fields, more particularly, to power station at dam toe's outlet system.
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 form 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
The utility model aim is to provide a kind of power station at dam toe's outlet system, makes 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 system in power station at dam toe's described in the utility model, including structure of hydropower station main building, auxiliary power house, dam
Body；The auxiliary power house is arranged in the main building upstream side, i.e., close to the dam body side；Auxiliary power house roof is provided with outlet isolation
Gate outlet structure is provided on the roof of the shared constructional column of switch and outlet arrester, main building and auxiliary power house joining place；
It is provided with the first main transformer and the second main transformer on ground between auxiliary power house and dam body, is located at auxiliary power house and dam body
Between be provided with aerial condutor, the aerial condutor divides upper layer, centre, three layer arrangement of lower layer；
Lower layer's aerial condutor be two circuits, the aerial condutor both ends in two circuits pass through respectively hanging wire ring and absolutely
Edge subgroup string is connected with auxiliary power house upstream side wall and dam body slope section, and first circuit is used for first main transformer
Electrical connection between high-pressure side and its incoming line cabinet, second circuit for the second main transformer high-pressure side and its into
Electrical connection between 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 respectively
Subgroup string is connected with dam body upper vertical section and the gate outlet structure horizontal gird, for power station high-voltage terminal cabinet with
The outlet disconnecting switch of auxiliary power house roof arrangement, the electrical connection between outlet arrester；Outlet disconnecting switch series connection
Enter power station send out conducting wire, outlet arrester parallel connection access power station send out conducting wire, outlet arrester neutral point is grounded draw under
Line is connect with grounded screen；
The upper layer aerial condutor is two steel strand wires, and the both ends of two steel strand wires pass through respectively on hanging wire ring and dam body
Portion's vertical section is connected with gate outlet structure horizontal gird, and grounded downlead is connect with the grounded screen, as lightning-arrest
Line uses.
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
Arrange that generator machine pressure measurement cabinet and equipment connect conductor, middle space placement machine is press-fitted electric cabinet, machine extrusion line cabinet and equipment and connects
Conductor is connect, upper space arranges that high voltage power distributing cabinet, power station outgoing line cabinet and equipment connect conductor.
For the tour and maintenance during guaranteeing power station operation to each insulation subgroup string, in the dam body vertical section and
Slope section is located at the insulation subgroup string inspection platform for being provided with protection railing at the hanging wire ring position respectively.
The utility model advantage is under the premise of guaranteeing that electrical operation is reliable, realizes that clear, power station is arranged in power station outlet
Construction investment is few, occupied area is small, is 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 system overhead line conductor and metal frame Master Cost of the present invention are big
About 50,000 yuan, only 850,000 yuan of circuit pack investment reduction.
3, the utility model power station at dam toe outlet system 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, the utility model power station at dam toe outlet system, 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 structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram in A-A direction of Fig. 1.
Fig. 3 is the outlet electric hookup of the utility model.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiments of the present invention, the present embodiment is with the utility model technology
Implemented under premised on scheme, the detailed implementation method and specific operation process are given, but the protection of the utility model
Range is not limited to following embodiments.
As shown in Figure 1-3, outlet system in power station at dam toe's described in the utility model, 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 connected according to the electrical equipment of the electrical wiring of design selection (as shown in Figure 3)
Sequence requirement is connect, power station outlet system wiring is completed.
It is embodied 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), two circuits lower layer aerial condutor, 10 both ends point
Not Tong Guo hanging wire ring and insulation subgroup string 11,12 be connected with corresponding 2 upstream side wall of auxiliary power house and dam body slope section 13；Lower layer
Realize the electrical connection between 8 high-pressure side of the first main transformer and its incoming line cabinet 8.1, lower layer in first circuit of aerial condutor 10
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 aerial condutor 10.
Middle layer aerial condutor 14 is a circuit (three, circuit conductor), 14 both ends of circuit middle layer aerial condutor
Pass through hanging wire ring and insulation subgroup string 15,16 and corresponding 3 upper vertical section of dam body and 7 horizontal gird of gate outlet structure respectively
Be connected, realize power station high-voltage terminal cabinet 17 be arranged in the outlet disconnecting switch 4 on 2 roof of auxiliary power house, outlet arrester 5 it
Between electrical connection；Conducting wire is sent out in the series connection access of outlet disconnecting switch 4 power station, and the access power station in parallel of outlet arrester 5 is sent
Conducting wire out, the grounded downlead of 5 neutral point of outlet arrester are connect with grounded screen.
Upper layer aerial condutor 18 is two steel strand wires, and the both ends of two steel strand wires pass through hanging wire ring and corresponding dam respectively
3 upper vertical section of body is connected with 7 horizontal gird of gate outlet structure, and grounded downlead is connect with grounded screen, as keeping away
Thunder line uses, for elevation the first, second main transformer 8,9 below and aerial condutor 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.
In 2 upstream side outdoor surfaces of auxiliary power house, there are equipment fortune between the first, second main transformer 8,9 and dam body 3
Defeated channel and passageway for fire apparatus；To guarantee tour and maintenance during the operation of power station to each subgroup string that insulate, in 3 vertical section of dam body
It is located at the insulation subgroup string inspection platform 22,23,24 for being provided with protection railing at hanging wire ring position respectively with slope section 13.
The electric energy of outlet system in power station at dam toe's described in the utility model 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 system, including structure of hydropower station main building, auxiliary power house, dam body；It is characterized by:
The auxiliary power house is arranged in the main building upstream side, i.e., close to the dam body side；Auxiliary power house roof, which is provided with outlet, to be kept apart
Gate outlet structure is provided on the roof of the shared constructional column of pass and outlet arrester, main building and auxiliary power house joining place；Position
Be provided with the first main transformer and the second main transformer on ground between auxiliary power house and dam body, be located at auxiliary power house and dam body it
Between be provided with aerial condutor, the aerial condutor divides 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 insulator respectively
Group string is connected with auxiliary power house upstream side wall and dam body slope section, and first circuit is used for the first main transformer high pressure
Electrical connection between side and its incoming line cabinet, second circuit is for the second main transformer high-pressure side and its incoming line cabinet
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 respectively
String is connected with dam body upper vertical section and the gate outlet structure horizontal gird, for power station high-voltage terminal cabinet and secondary factory
The outlet disconnecting switch of house top arrangement, the electrical connection between outlet arrester；Outlet disconnecting switch series connection access water
Power station send out conducting wire, outlet arrester parallel connection access power station send out conducting wire, the grounded downlead of outlet arrester neutral point with
Grounded screen connection；
The upper layer aerial condutor is two steel strand wires, and the both ends of two steel strand wires pass through hanging wire ring respectively and dam body top is hung down
Straight section is connected with gate outlet structure horizontal gird, and grounded downlead is connect with the grounded screen, is made as lightning conducter
With.
2. outlet system in power station at dam toe's according to claim 1, it is characterised in that: arrangement two in the main building
Generating set, the equipment in the auxiliary power house are divided into three layer arrangements, and lower layer space arranges that generator machine pressure measurement cabinet and equipment connect
Conductor is connect, middle space placement machine is press-fitted electric cabinet, machine extrusion line cabinet and equipment and connects conductor, and upper space arranges high voltage power distribution
Cabinet, power station outgoing line cabinet and equipment connect conductor.
3. outlet system in power station at dam toe's according to claim 1 or 2, it is characterised in that: in the dam body vertical section
It is located at the insulation subgroup string inspection platform for being provided with protection railing at the hanging wire ring position respectively with slope section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820964827.8U CN208316035U (en) | 2018-06-22 | 2018-06-22 | Power station at dam toe's outlet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820964827.8U CN208316035U (en) | 2018-06-22 | 2018-06-22 | Power station at dam toe's outlet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208316035U true CN208316035U (en) | 2019-01-01 |
Family
ID=64708720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820964827.8U Expired - Fee Related CN208316035U (en) | 2018-06-22 | 2018-06-22 | Power station at dam toe's outlet system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208316035U (en) |
-
2018
- 2018-06-22 CN CN201820964827.8U patent/CN208316035U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450003 Zhengzhou Jinshui Road, Henan, No. 109 Patentee after: Yellow River Survey Planning and Design Research Institute Co., Ltd. Address before: 450003 Zhengzhou Jinshui Road, Henan, No. 109 Patentee before: Yellow River Engineering Consulting Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20200622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |