CN206957861U - A kind of complete hydroelectric power system for extra low head - Google Patents
A kind of complete hydroelectric power system for extra low head Download PDFInfo
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- CN206957861U CN206957861U CN201720647834.0U CN201720647834U CN206957861U CN 206957861 U CN206957861 U CN 206957861U CN 201720647834 U CN201720647834 U CN 201720647834U CN 206957861 U CN206957861 U CN 206957861U
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- low head
- generator
- generation unit
- power generation
- ultra low
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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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Abstract
The application is related to a kind of complete hydroelectric power system for extra low head, including ultra low head power generation unit, unit local control case, cable, the total cabinet of ultra low head power generation unit allocation, optical cable and the Central Control Room being sequentially connected, ultra low head power generation unit utilizes cable, pass through unit local control case and the total cabinet of ultra low head power generation unit allocation, power network will be directly incorporated into after the non-constant electric current electric energy rectification sent, electric energy is conveyed to power network.The hydroelectric power system has advantages below：（1）The unit can utilize the head less than 2.0m to generate electricity；（2）Using synchronous permanent-magnet generator or asynchronous generator, it may be such that generator cancels exciter alternator control device, simplify electricity generation system；（3）Using the total cabinet of the control, rectification is carried out to non-constant electric current electric energy and possesses grid-connected conditions, it is not necessary to governing system is set, further simplify electricity generation system；（4）By controlling the control of total cabinet, it can be achieved to generate electricity forward or backwards, draw water forward or backwards.
Description
Technical field
The application is related to technical field of hydroelectric generation, more particularly to a kind of complete hydroelectric generation system for extra low head
System.
Background technology
River, lake etc. are exactly located at potential energy possessed by eminence and are converted into kinetic energy by hydroelectric generation, recycle generator
Convert kinetic energy into the process of electric energy.The hydroelectric generation energy has the characteristics that recyclability, controllability and cleanliness.Reform is opened
Since putting, China's construction of hydropower facilities cause, which achieves, develops by leaps and bounds, engineering construction technology, turbine-generator units manufacturing technology and defeated change
Power technology improves maturation very much.Summarize it is complete build or build in hydroelectric generation project, its productive head typically all at 2.0 meters
More than, the economy of project development is relatively preferable, 2.0 meters and less（Hereinafter referred to as extra low head）The complete hydroelectric generation of head
System is still in blank field.
However, China's hydraulic power potentials amount is extremely abundant, especially abundant extra low head section hydraulic power potentials is still in urgently
Development phase.From the point of view of current progress and achievement, the existing water energy development in China is primarily present two features：
（1）The complete hydroelectric power system research developed is applicable head and is concentrated mainly on more than 2.0 meters, for extra low head Duan Shuineng
Resource, the still product without maturation；（2）The complete hydroelectric power system developed needs to set a whole set of governing system, excitation
System, Control protection system and equipment accessory system etc., while need to be equipped with substantial amounts of construction work.For developing energy density
For low extra low head section hydraulic power potentials, undoubtedly economy is poor, value is smaller.
Therefore, to solve the possibility and economy problems of exploitation extra low head section hydraulic power potentials, needing research and development one kind badly can
By property and stability it is good and easy to manufacture, install simple, easy to maintenance, low cost, and with market application and promotional value
Extra low head complete hydroelectric power system technology.
Utility model content
The purpose of the application is to avoid weak point of the prior art and provide a kind of for the complete of extra low head
Hydroelectric power system, it not only simplify hydroelectric power system, reduce investment, and realize to less than 2.0 meters head water resources
Make full use of.
The purpose of the application is achieved through the following technical solutions：
A kind of complete hydroelectric power system for extra low head, including ultra low head power generation unit, the machine being sequentially connected
Group local control case, cable, the total cabinet of ultra low head power generation unit allocation, optical cable and Central Control Room, ultra low head power generation unit utilize
Cable, by unit local control case and the total cabinet of ultra low head power generation unit allocation, the non-constant electric current electric energy rectification that will be sent
After be directly incorporated into power network, convey electric energy to power network, wherein, ultra low head power generation unit is used for the waterpower less than 2.0 meters of head
Generate electricity, ultra low head power generation unit includes hydroelectric generator, and hydroelectric generator includes micro flow channel, water is provided with micro flow channel
Turbine and the synchronous permanent-magnet generator/asynchronous generator being connected with the hydraulic turbine；Synchronous permanent-magnet generator/asynchronous generator passes through more
Individual hollow fixed mount is fixed in micro flow channel, one end of hollow fixed mount and the cage connection of synchronous permanent-magnet generator,
The other end of hollow fixed mount is connected with micro flow channel inwall；The company of one of them hollow fixed mount and micro flow channel inwall
The place of connecing offers the cable export for wearing synchronous permanent-magnet generator cable, cable export connection unit local control
Case.
The application's has the beneficial effect that：
The complete hydroelectric power system for extra low head of the application, compared with prior art, there is advantages below：
（1）The complete hydroelectric power system of the application, sent out using the ultra low head power generation unit less than 2.0 meters of heads
Electricity, less than 2.0 meters of head resource can be made full use of；
（2）The complete hydroelectric power system for extra low head of the application, ultra low head power generation unit therein, use
Synchronous permanent-magnet generator or asynchronous generator, it may be such that generator cancels exciter alternator control device, simplify electricity generation system；
（3）The total cabinet of ultra low head power generation unit allocation has been used, rectification is carried out to non-constant electric current electric energy and is possessed grid-connected
Condition, it is not necessary to governing system is set, further simplify electricity generation system, saves substantial amounts of civil engineering costs and equipment manufacturing cost；
（4）By the control of the total cabinet of ultra low head power generation unit allocation, the unit can be realized to generate electricity, is positive forward or backwards
Or reversely draw water.
Brief description of the drawings
The application is described further using accompanying drawing, but the content in accompanying drawing does not form any restrictions to the application.
Fig. 1 is the schematic block diagram of the complete hydroelectric power system for extra low head of the application.
Fig. 2 is the arrangement schematic diagram of the ultra low head power generation unit of electricity generation system in Fig. 1.
Fig. 3 is the structural representation of generating set in Fig. 2.
Include in Fig. 1 into Fig. 3：
1 --- micro flow channel；
2 --- the shell of synchronous permanent-magnet generator；
3 --- the hydraulic turbine；
4 --- fixed mount；
5 --- horn-like water fender；
6 --- anchor formula fixing device；
7 --- concrete buttress；
8 --- installation room；
10 --- ultra low head power generation unit；
11 --- unit local control case；
12 --- cable；
13 --- optical cable；
14 --- the total cabinet of ultra low head power generation unit allocation；
15 --- Central Control Room；
16 --- power network.
Embodiment
The application is described further with the following Examples.
Refering to Fig. 1 to Fig. 3, the present embodiment is used for the complete hydroelectric power system of extra low head, including is sequentially connected super
Low head power generation unit 10, unit local control case 11, cable 12, the total cabinet 14 of ultra low head power generation unit allocation, the and of optical cable 13
Central Control Room 15, the total cabinet 14 of generator set control also connect power network 16 and connect unit by optical cable 13 and now control by cable 12
Case 11 processed, ultra low head power generation unit 10 utilize cable 12, pass through unit local control case 11 and ultra low head power generation unit control
Total cabinet 14 is made, power network 16 will be directly incorporated into after the non-constant electric current electric energy rectification sent, electric energy is conveyed to power network 16, wherein, surpass
Low head power generation unit 10 is used for the hydroelectric generation of the head less than 2.0 meters, and the present embodiment is used for the complete waterpower of extra low head
Electricity generation system includes multiple ultra low head power generation units 10, certainly, in other embodiments, the complete water for extra low head
Force generating system can also only include a ultra low head power generation unit 10, and multiple hydro-generating Units 10 of the present embodiment are in vertical
Set, and be fixed on concrete buttress 7 to arrangement, each hydro-generating Unit includes micro flow channel 1, is set in micro flow channel 1
It is equipped with generator and the hydraulic turbine being connected with generator 3；Generator is fixed on micro flow channel 1 by multiple hollow fixed mounts 4
Interior, hollow one end of fixed mount 4 is connected with the shell 2 of synchronous permanent-magnet generator, the other end of hollow fixed mount 4 with it is miniature
The inwall of runner 1 connects；The junction of one of them hollow fixed mount 4 and the inwall of micro flow channel 1 is offered for wearing generating
The cable export of machine cable, cable export connection unit local control case 11.
The hollow fixed mount 4 of generator is not required to set water simultaneously as the outlet of cable and the fixed guide vane of the hydraulic turbine 3
The movable guide vane of turbine 3.
The outer circumference of shell 2 of the hollow fixed mount 4 along generator is uniformly distributed setting, as fixed guide vane in use,
Seat ring can be made（Excessively stream part）It is integrally formed, while current is formed circular rector before entering runner.
In the present embodiment, the outer circumference of shell 2 of the hollow fixed mount 4 along generator is isodistantly spaced annular spread setting,
Certainly, hollow fixed mount 4 can also be arranged helically on the outer peripheral face of the shell 2 of generator, preferably can flow into water
Circular rector is formed before entering runner.
In the present embodiment, generator is synchronous permanent-magnet generator or asynchronous generator.
In the present embodiment, the flow inlet of pipeline 1 is provided with the horn-like water fender 5 to connect with pipeline 1, can locally gush height
Water level, the flow inlet of pipeline 1 is set to form certain head with the water export of pipeline 1.
In the present embodiment, the outer wall of pipeline 1 of hydroelectric generator is provided with the anchor for being connected with adjacent hydroelectric generator
Formula fixing device 6.
In the present embodiment, cable export is provided with installation room 8.
In the present embodiment, unit local control case 11 includes primary equipment, secondary device and the local control being sequentially connected
Module, to realize local control and data acquisition upload etc., specifically, data-signal is transmitted to super by local control case by optical cable
Data-signal is delivered to middle control by the electrical power control cabinet of the total cabinet of low head power generation unit allocation, electrical power control cabinet by optical cable again
Room.
In the present embodiment, the total cabinet 14 of ultra low head power generation unit allocation includes the electrical power control cabinet being connected and auxiliary controls
Cabinet.
In the present embodiment, electrical power control cabinet includes primary equipment, secondary device, power source special module and the hair being sequentially connected
Motor/electric motor mode switching device, realizes the steady output of generating, and generator is changeable by the control of electrical power control cabinet
For electric motor state, realize and generate electricity, draw water forward or backwards forward or backwards.
In the present embodiment, auxiliary switch board includes secondary device and the control module being connected, and is responsible for ultra low head power generation
The control of unit, data acquisition and procession, data are sent and procedure regulation, local control operation, operation monitoring, event handling,
Self-checking function etc..
In the present embodiment, Central Control Room 15 include be sequentially connected large screen display, operator workstation, interchanger and
Ups power, interchanger by optical cable connect the total cabinet 14 of ultra low head power generation unit allocation, major function be remote data acquisition with
Processing, remote control operation, operation monitoring, event handling, self-checking function etc..
Finally it should be noted that above example is merely to illustrate the technical scheme of the application rather than the application is protected
The limitation of scope, although the application is described in detail with reference to preferred embodiment, one of ordinary skill in the art should
Understand, the technical scheme of the application can be changed, similar or equivalent substitution, but essence without departing from application scheme and
Scope.
Claims (8)
- A kind of 1. complete hydroelectric power system for extra low head, it is characterised in that：Including the extra low head hair being sequentially connected Group of motors, unit local control case, cable, the total cabinet of ultra low head power generation unit allocation, optical cable and Central Control Room, ultra low head power generation Unit utilizes cable, by unit local control case and the total cabinet of ultra low head power generation unit allocation, the non-constant electric current that will be sent Power network is directly incorporated into after electric energy rectification, electric energy is conveyed to power network, wherein, ultra low head power generation unit is used for the water less than 2.0 meters The hydroelectric generation of head, ultra low head power generation unit include hydroelectric generator, and hydroelectric generator includes micro flow channel, in micro flow channel It is provided with the hydraulic turbine and the synchronous permanent-magnet being connected with hydraulic turbine generator/asynchronous generator；Synchronous permanent-magnet generator/asynchronous generating Machine is fixed in micro flow channel by multiple hollow fixed mounts, and one end of hollow fixed mount is outer with synchronous permanent-magnet generator Shell is connected, and the other end of hollow fixed mount is connected with micro flow channel inwall；One of them hollow fixed mount and micro flow channel The junction of inwall offers the cable export for wearing synchronous permanent-magnet generator cable, and cable export connection unit shows Ground control cabinet.
- 2. the complete hydroelectric power system according to claim 1 for extra low head, it is characterised in that：The complete water Force generating system includes a ultra low head power generation unit or multiple ultra low head power generation units being arranged in order.
- 3. the complete hydroelectric power system according to claim 1 for extra low head, it is characterised in that：Unit now is controlled Case processed includes primary equipment, secondary device and the local control module being sequentially connected.
- 4. the complete hydroelectric power system according to claim 1 for extra low head, it is characterised in that：Extra low head is sent out Group of motors controls total cabinet to include the electrical power control cabinet and auxiliary switch board being connected.
- 5. the complete hydroelectric power system according to claim 4 for extra low head, it is characterised in that：Electrical power control cabinet Including primary equipment, secondary device, power source special module and the electric generator/electric motor mode-changeover device being sequentially connected.
- 6. the complete hydroelectric power system according to claim 4 for extra low head, it is characterised in that：Aid in switch board Including the secondary device being connected and control module.
- 7. the complete hydroelectric power system according to claim 1 for extra low head, it is characterised in that：Central Control Room includes Large screen display, operator workstation, interchanger and the ups power being sequentially connected, interchanger connect ultralow water by optical cable The head total cabinet of generator set control.
- 8. the complete hydroelectric power system according to claim 1 for extra low head, it is characterised in that：Pass through ultralow water The control of the head total cabinet of generator set control, ultra low head power generation unit can be realized to generate electricity, draws water forward or backwards forward or backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647834.0U CN206957861U (en) | 2017-06-06 | 2017-06-06 | A kind of complete hydroelectric power system for extra low head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647834.0U CN206957861U (en) | 2017-06-06 | 2017-06-06 | A kind of complete hydroelectric power system for extra low head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206957861U true CN206957861U (en) | 2018-02-02 |
Family
ID=61378843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720647834.0U Active CN206957861U (en) | 2017-06-06 | 2017-06-06 | A kind of complete hydroelectric power system for extra low head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206957861U (en) |
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2017
- 2017-06-06 CN CN201720647834.0U patent/CN206957861U/en active Active
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