CN106602989B - A kind of concentration photo-thermal electricity generation system and electricity-generating method - Google Patents
A kind of concentration photo-thermal electricity generation system and electricity-generating method Download PDFInfo
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- CN106602989B CN106602989B CN201710104687.7A CN201710104687A CN106602989B CN 106602989 B CN106602989 B CN 106602989B CN 201710104687 A CN201710104687 A CN 201710104687A CN 106602989 B CN106602989 B CN 106602989B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005494 condensation Effects 0.000 claims abstract description 47
- 238000009833 condensation Methods 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/20—Arrangements for controlling solar heat collectors for tracking
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S2023/87—Reflectors layout
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of concentration photo-thermal electricity generation system and electricity-generating method, wherein, concentration photo-thermal electricity generation system, including concentration photo-thermal receive tower and multiple heliostats, in addition to：Condensation photovoltaic reception device；Sunshine acquisition module, the acquisition module are used to obtain actual sunshine value；The heliostat includes：Tracker support；Speculum, it is fixedly installed on the tracker support；Sunshine judge module, communicate and connect with the sunshine acquisition module, for judging whether the actual sunshine value is more than default sunshine value；Controller, it is connected with the tracker support, and communicates and connect with the sunshine judge module, for adjusts the angle of the tracker support according to the judged result of the sunshine judge module.The concentration photo-thermal electricity generation system and electricity-generating method of the present invention under the premise of the generating efficiency in concentration photo-thermal power station is ensured, can effectively improve the utilization rate of heliostat in concentration photo-thermal power station.
Description
Technical field
The present invention relates to optically focused technical field of power generation, espespecially a kind of concentration photo-thermal electricity generation system and electricity-generating method.
Background technology
Existing large-scale tower concentration photo-thermal power station, because the change of sunshine resource, the cloudless reachable 1000W/m^2 of clear sky,
Broken sky is only 400~600W/m^2.In view of the change of sunshine, in order to ensure that there is being sunshine in large-scale tower concentration photo-thermal power station
Situation can efficient operation, Power Plant Design build at the beginning of, it will usually configure 3 times or higher concentration photo-thermal receive tower can hold
The heliostat received, to tackle in the environment of low irradiation, concentration photo-thermal, which receives tower, can still keep higher light- heat transfer to imitate
Rate.However, in the environment of height irradiates, if all work will cause concentration photo-thermal to receive tower and exceed it to the heliostat of configuration
Bearing load and burn.Generally, the operating temperature of concentration photo-thermal reception tower is higher (up to 800-1000 DEG C), and year is sent out
Electrical efficiency can reach 17%-20%.Generally in the environment of height irradiates, selected section heliostat is kept into idle shape
State, to ensure that concentration photo-thermal receives tower height effect normal work.So in the environment of height irradiates, there is pole in idle heliostat
The big wasting of resources.
Therefore, the applicant is directed to providing a kind of new concentration photo-thermal electricity generation system and electricity-generating method.
The content of the invention
It is an object of the invention to provide a kind of concentration photo-thermal electricity generation system and electricity-generating method, and it can ensure concentration photo-thermal
Under the premise of the generating efficiency in power station, the utilization rate of heliostat in concentration photo-thermal power station is effectively improved.
To be received in order to solve the above technical problems, the invention provides a kind of concentration photo-thermal electricity generation system, including concentration photo-thermal
Tower and multiple heliostats, in addition to：Condensation photovoltaic reception device；Sunshine acquisition module, the acquisition module are used to obtain reality
Sunshine value；The heliostat includes：Tracker support；Speculum, it is fixedly installed on the tracker support；Sunshine judges mould
Block, communicate and connect with the sunshine acquisition module, for judging whether the actual sunshine value is more than default sunshine value；Control
Device, it is connected with the tracker support, and communicates and connect with the sunshine judge module, for according to the sunshine judge module
Judged result adjust the angle of the tracker support.
If the judged result of sunshine judge module is yes, the controller adjusts the angle of the tracker support, makes institute
The angle for stating speculum is corresponding with the condensation photovoltaic reception device；
If the judged result of sunshine judge module is no, the controller adjusts the angle of the tracker support, makes institute
Angle and the concentration photo-thermal reception tower for stating speculum are corresponding.
Preferably, the concentration photo-thermal electricity generation system also includes：Wind speed acquisition module, for obtaining actual wind speed；Wind speed
Judge module, communicate and connect with the wind speed acquisition module, for judging that the actual wind speed that the wind speed acquisition module obtains is
It is no to be more than default air speed value；The heliostat also includes angle vernier device, and the angle vernier device judges with the wind speed
Module communication connects, for adjusting the position of tracker support according to the judged result of the wind speed judge module.
Preferably, the angle vernier device includes：Angular transducer, it is connected with the tracker support, for obtaining
The posture track of the tracker support；PID controller, it is connected, is used for the angular transducer and controller communication respectively
Angle adjustment is obtained according to the posture track to instruct and send to the controller.
Preferably, the condensation photovoltaic reception device is identical with concentration photo-thermal reception tower height degree, and has therebetween
There is spacing.
Preferably, the condensation photovoltaic reception device is distributed in the concentration photo-thermal and received around the top of tower, and institute
It is symmetrical centered on the top that the concentration photo-thermal receives tower to state condensation photovoltaic reception device；Or；The condensation photovoltaic connects
Receiving apparatus receives tower with the concentration photo-thermal and is arranged side by side.
Preferably, the condensation photovoltaic reception device includes electrooptical device array and heat abstractor, and the photoelectricity turns
Parallel operation part is more race's cell pieces of knot III-V, and the heat abstractor includes active heat sink and/or passive radiator；And/or；Institute
It is plane mirror or curved reflector to state speculum；And/or；The speculum is by being hung on the tracker branch
On frame；And/or；The tracker support is biaxial tracker support.
Preferably, multiple heliostats carry out fan-shaped array arrangement or circumference centered on concentration photo-thermal reception tower
Arrangement, and its angle adjustment can be received angle corresponding to tower by each heliostat as the concentration photo-thermal；And/or；It is described
Condensation photovoltaic reception device is connected to power network or is connected to ground energy storing devices and stored by inverter.
The invention also discloses a kind of concentration photo-thermal electricity-generating method, including step：
S10：Obtain actual sunshine value；
S20：Judge whether the actual sunshine value is more than default sunshine value；
S30：If the actual sunshine value is more than default sunshine value, the angle of the heliostat is adjusted, makes the settled date
Mirror is adjusted to angle corresponding with condensation photovoltaic reception device；
S40：If the actual sunshine value is not more than default sunshine value, the angle of the heliostat is adjusted, it is described fixed to make
Solar eyepiece is adjusted to angle corresponding with concentration photo-thermal reception tower.
Preferably, the concentration photo-thermal electricity-generating method also includes step：
S50：Obtain wind speed；
S60：Judge whether the wind speed is more than default air speed value；
S70：If the wind speed is more than default air speed value, controls the heliostat to carry out angle adjustment, make the settled date
Mirror is maintained at angle corresponding with the condensation photovoltaic reception device or angle corresponding with concentration photo-thermal reception tower.
Preferably, the number of the heliostat is multiple, and each heliostat is equipped with the default sunshine
Value, the concentration photo-thermal is received the generating efficiency of tower and keep default generating efficiency；The actual sunshine value is 900~1000W/
During m^2, the angle of 50~60% heliostat is corresponding with the condensation photovoltaic reception device；The actual sunshine value is
During 700~900W/m^2, the angle of 20~40% heliostat is corresponding with the condensation photovoltaic reception device；The reality
When sunshine value is 500~700W/m^2, the angle of 10~20% heliostat is corresponding with the condensation photovoltaic reception device；
When the actual sunshine value is less than 500W/m^2,100% heliostat projects concentration photo-thermal and received on tower.
The concentration photo-thermal electricity generation system and electricity-generating method of the present invention can realize following at least one beneficial effect.
1st, each heliostat in concentration photo-thermal electricity generation system of the invention can be obtained real by sunshine acquisition module
Border sunshine value, sunshine judge module judge whether actual sunshine value is more than default sunshine value again, and controller judges mould according to sunshine
The judged result of block controls tracker holder pivots, so as to when illumination is stronger, make most of heliostat by sunshine
Condensation photovoltaic reception device is reflexed to, avoids all heliostats that sunshine is reflexed into concentration photo-thermal and receives tower, exceed it
Load and damage, when illumination is weaker, make most of heliostat by sunshine reflex to concentration photo-thermal receive tower, so as to protect
Demonstrate,prove it and certain generating efficiency also kept when illumination is weaker, therefore, concentration photo-thermal electricity generation system of the invention no matter light
According to power, heliostat can be made full use of, it can also be ensured that concentration photo-thermal receives tower and remains higher generating efficiency.
2nd, concentration photo-thermal electricity generation system of the invention can also pass through wind speed acquisition module, wind speed judge module and heliostat
Micromatic setting obtain tracker support fine setting instruction so that under windy conditions, heliostat can be aligned poly- all the time
Light photo-thermal receives tower or condensation photovoltaic reception device, so as to ensure that the generating efficiency in power station, further makes concentration photo-thermal
Electricity generation system can apply to the sufficient still larger area of dust storm of illumination.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is a kind of structural representation of specific embodiment of the concentration photo-thermal electricity generation system of the present invention；
Fig. 2 is the structural representation of another specific embodiment of the concentration photo-thermal electricity generation system of the present invention.
Drawing reference numeral explanation：
Concentration photo-thermal receives tower 1, condensation photovoltaic reception device 2, heliostat 3, the sun 4.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Embodiment one
Embodiment one discloses a kind of concentration photo-thermal electricity generation system, including concentration photo-thermal receives tower 1 and multiple heliostats 3,
Also include：Condensation photovoltaic reception device 2；Sunshine acquisition module, acquisition module are used for the actual sunshine value for obtaining the sun 4.Wherein,
Heliostat 3 includes：Tracker support；Speculum, it is fixedly installed on tracker support；Sunshine judge module, obtained with sunshine
Module communication connects, for judging whether actual sunshine value is more than default sunshine value；Controller, it is connected with tracker support, and
Communicate and connect with sunshine judge module, for adjusting the angle of tracker support according to the judged result of sunshine judge module.
If the judged result of sunshine judge module is yes, controller adjusts the angle of the tracker support, makes speculum
Angle it is corresponding with condensation photovoltaic reception device；
If the judged result of sunshine judge module is no, the controller adjusts the angle of the tracker support, makes anti-
Angle and the concentration photo-thermal reception tower for penetrating mirror are corresponding.
After controller has adjusted the angle of heliostat, the generating efficiency that concentration photo-thermal receives tower can reach default
Efficiency, default efficiency here refer to that power station it is expected that concentration photo-thermal receives the default efficiency of expectation that tower can reach, specific number
Value can be set according to being actually needed.
Specifically, concentration photo-thermal electricity generation system also includes：Wind speed acquisition module, for obtaining actual wind speed；Wind speed judges
Module, communicate and connect with wind speed acquisition module, for judging whether the actual wind speed that wind speed acquisition module obtains is more than default wind
Speed value.Heliostat also includes angle vernier device, and angle vernier device connects with the communication of wind speed judge module, for according to wind speed
The position of the judged result adjustment tracker support of judge module.
Specifically, angle vernier device includes：Angular transducer, it is connected with tracker support, for obtaining tracker branch
The posture track of frame；PID controller, it is connected respectively with angular transducer and controller communication, for being obtained according to posture track
Angle adjustment is instructed and sent to the controller.
Specifically, condensation photovoltaic reception device 2 and concentration photo-thermal reception tower 1 are highly identical, and there is therebetween spacing.
In the present embodiment, condensation photovoltaic reception device 2 is distributed in concentration photo-thermal and received around the top of tower 1, and condensation photovoltaic connects
Receiving apparatus 2 is symmetrical centered on the top that concentration photo-thermal receives tower 1.
Specifically, condensation photovoltaic reception device 2 includes electrooptical device array and heat abstractor, electrooptical device is
More race's cell pieces of knot III-V, heat abstractor include active heat sink or passive radiator.Speculum is plane mirror or song
Face speculum.Speculum is by being hung on tracker support.Tracker support is biaxial tracker support.
Specifically, multiple heliostats 3 carry out fan-shaped array arrangement, and each settled date centered on concentration photo-thermal reception tower 1
Its angle adjustment can be received angle corresponding to tower 1 by mirror 3 as the concentration photo-thermal.Condensation photovoltaic reception device 2 is by inverse
Change device, which is connected to power network or is connected to ground energy storing devices, to be stored.
No matter sunshine is strong and weak, and the generating effect in power station can be effectively ensured in the concentration photo-thermal electricity generation system in the present embodiment
Rate, the heliostat in power station can also be made full use of, avoid the idle waste of heliostat.
Certainly, in other embodiments, angle vernier device of the concentration photo-thermal electricity generation system under strong wind weather can be with
It is set to other forms；Condensation photovoltaic reception device and concentration photo-thermal receive the position relationship and heliostat and optically focused between tower
The position relationship that photovoltaic receiver device, concentration photo-thermal are received between tower can be adjusted according to being actually needed；Condensation photovoltaic
The specific constructive form of reception device, speculum and tracker support can be adjusted selectively；Heliostat can also be with optically focused
Photo-thermal carries out circumferential arrangement centered on receiving tower.
Embodiment two
Embodiment two discloses another specific embodiment of concentration photo-thermal electricity generation system, its structure with embodiment one
Structure is essentially identical, the difference is that only, condensation photovoltaic reception device receives the set location of tower not relative to concentration photo-thermal
Together, in the present embodiment, condensation photovoltaic reception device 2 and concentration photo-thermal receive tower 1 and are arranged side by side.
Certainly, in other embodiments, condensation photovoltaic reception device and concentration photo-thermal receive the form positioned opposite of tower
It can be adjusted again according to being actually needed.
Embodiment three
Present embodiment discloses a kind of concentration photo-thermal electricity-generating method, including step：
S10：Obtain actual sunshine value；
S20：Judge whether the actual sunshine value is more than default sunshine value；
S30：If the actual sunshine value is more than default sunshine value, the angle of the heliostat is adjusted, makes the settled date
Mirror is adjusted to angle corresponding with condensation photovoltaic reception device；
S40：If the actual sunshine value is not more than default sunshine value, the angle of the heliostat is adjusted, it is described fixed to make
Solar eyepiece is adjusted to angle corresponding with concentration photo-thermal reception tower.
In the specific implementation process of the present embodiment, heliostat is provided with multiple, and each heliostat is correspondingly provided with
One default sunshine value, after the angles of all heliostats adjusts according to step S10~S40, concentration photo-thermal receives tower
Generating efficiency can reach default generating efficiency.
For example, when actual sunshine value is 900~1000W/m^2, angle and the optically focused light of 50~60% heliostat
It is corresponding to lie prostrate reception device；When actual sunshine value is 700~900W/m^2, angle and the condensation photovoltaic of 20~40% heliostat connect
Receiving apparatus is corresponding；When actual sunshine value is 500~700W/m^2, the angle of 10~20% heliostat receives with condensation photovoltaic to be filled
Put correspondingly；When actual sunshine value is less than 500W/m^2,100% heliostat projects concentration photo-thermal and received on tower.
Certainly, in other embodiments, the corresponding relation of the adjustment angle of actual illumination and heliostat therebetween may be used also
It is actually needed and is adjusted with basis.
Example IV
Example IV discloses another specific embodiment of concentration photo-thermal electricity-generating method, its step with embodiment one
Structure is essentially identical, the difference is that only, in the present embodiment, concentration photo-thermal electricity-generating method also includes step：
S50：Obtain wind speed；
S60：Judge whether the wind speed is more than default air speed value；
S70：If the wind speed is more than default air speed value, controls the heliostat to carry out angle adjustment, make the settled date
Mirror is maintained at angle corresponding with the condensation photovoltaic reception device or angle corresponding with concentration photo-thermal reception tower.
Compared to embodiment three, the concentration photo-thermal electricity-generating method in the present embodiment can be effectively ensured fixed under strong wind weather
Solar eyepiece can be directed at condensation photovoltaic reception device all the time or concentration photo-thermal receives tower, so as to avoid under windy conditions, power station
Decrease of power generation so that this electricity-generating method may apply to the sufficient still larger area of dust storm of illumination.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of concentration photo-thermal electricity generation system, including concentration photo-thermal receive tower and multiple heliostats, it is characterised in that also include：
Condensation photovoltaic reception device；
Sunshine acquisition module, the acquisition module are used to obtain actual sunshine value；
The heliostat includes：Tracker support；Speculum, it is fixedly installed on the tracker support；
Sunshine judge module, communicate and connect with the sunshine acquisition module, for judging it is pre- whether the actual sunshine value is more than
If sunshine value；Controller, it is connected with the tracker support, and communicates and connect with the sunshine judge module, for according to institute
The judged result for stating sunshine judge module adjusts the angle of the tracker support；
If the judged result of sunshine judge module is yes, the controller adjusts the angle of the tracker support, makes described anti-
The angle for penetrating mirror is corresponding with the condensation photovoltaic reception device；
If the judged result of sunshine judge module is no, the controller adjusts the angle of the tracker support, makes described anti-
Angle and the concentration photo-thermal reception tower for penetrating mirror are corresponding.
2. concentration photo-thermal electricity generation system as claimed in claim 1, it is characterised in that also include：
Wind speed acquisition module, for obtaining actual wind speed；
Wind speed judge module, communicate and connect with the wind speed acquisition module, the reality obtained for judging the wind speed acquisition module
Whether border wind speed is more than default air speed value；
The heliostat also includes angle vernier device, and the angle vernier device connects with wind speed judge module communication,
For adjusting the position of tracker support according to the judged result of the wind speed judge module.
3. concentration photo-thermal electricity generation system as claimed in claim 1, it is characterised in that：
The angle vernier device includes：
Angular transducer, it is connected with the tracker support, for obtaining the posture track of the tracker support；
PID controller, it is connected respectively with the angular transducer and controller communication, for obtaining angle according to the posture track
Spend adjust instruction and send to the controller.
4. concentration photo-thermal electricity generation system as claimed in claim 1, it is characterised in that：
The condensation photovoltaic reception device is identical with concentration photo-thermal reception tower height degree, and has spacing therebetween.
5. concentration photo-thermal electricity generation system as claimed in claim 4, it is characterised in that：
The condensation photovoltaic reception device is distributed in the concentration photo-thermal and received around the top of tower, and the condensation photovoltaic connects
Receiving apparatus is symmetrical centered on the top that the concentration photo-thermal receives tower；
Or；
The condensation photovoltaic reception device receives tower with the concentration photo-thermal and is arranged side by side.
6. concentration photo-thermal electricity generation system as claimed in claim 1, it is characterised in that：
The condensation photovoltaic reception device includes electrooptical device array and heat abstractor, and the electrooptical device is more knots
III-V race's cell piece, the heat abstractor include active heat sink and/or passive radiator；
And/or；
The speculum is plane mirror or curved reflector；
And/or；
The speculum is by being hung on the tracker support；
And/or；
The tracker support is biaxial tracker support.
7. the concentration photo-thermal electricity generation system as any one of claim 1 to 6, it is characterised in that：
Multiple heliostats carry out fan-shaped array arrangement or circumferential arrangement centered on concentration photo-thermal reception tower, and each
Its angle adjustment can be received angle corresponding to tower by heliostat as the concentration photo-thermal；
And/or；
The condensation photovoltaic reception device is connected to power network or is connected to ground energy storing devices and stored by inverter.
8. a kind of concentration photo-thermal electricity-generating method, it is characterised in that including step：
S10：Obtain actual sunshine value；
S20：Judge whether the actual sunshine value is more than default sunshine value；
S30：If the actual sunshine value is more than default sunshine value, the angle of heliostat is adjusted, is adjusted to the heliostat
Angle corresponding with condensation photovoltaic reception device；
S40：If the actual sunshine value is not more than default sunshine value, the angle of the heliostat is adjusted, makes the heliostat
It is adjusted to angle corresponding with concentration photo-thermal reception tower.
9. concentration photo-thermal electricity-generating method as claimed in claim 8, it is characterised in that also including step：
S50：Obtain wind speed；
S60：Judge whether the wind speed is more than default air speed value；
S70：If the wind speed is more than default air speed value, control the heliostat to carry out angle adjustment, protect the heliostat
Hold in angle corresponding with the condensation photovoltaic reception device or angle corresponding with concentration photo-thermal reception tower.
10. concentration photo-thermal electricity-generating method as claimed in claim 8, it is characterised in that：
The number of the heliostat is multiple, and each heliostat is equipped with a default sunshine value, is made described poly-
The generating efficiency that light photo-thermal receives tower keeps default generating efficiency；
When the actual sunshine value is 900~1000W/m^2, angle and the condensation photovoltaic of 50~60% heliostat
Reception device is corresponding；
When the actual sunshine value is 700~900W/m^2, angle and the condensation photovoltaic of 20~40% heliostat
Reception device is corresponding；
When the actual sunshine value is 500~700W/m^2, angle and the condensation photovoltaic of 10~20% heliostat
Reception device is corresponding；
When the actual sunshine value is less than 500W/m^2,100% heliostat projects concentration photo-thermal and received on tower.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104687.7A CN106602989B (en) | 2017-02-24 | 2017-02-24 | A kind of concentration photo-thermal electricity generation system and electricity-generating method |
| PCT/CN2018/075005 WO2018153233A1 (en) | 2017-02-24 | 2018-02-01 | Concentrated solar power generation system and power generation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104687.7A CN106602989B (en) | 2017-02-24 | 2017-02-24 | A kind of concentration photo-thermal electricity generation system and electricity-generating method |
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| Publication Number | Publication Date |
|---|---|
| CN106602989A CN106602989A (en) | 2017-04-26 |
| CN106602989B true CN106602989B (en) | 2018-04-06 |
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| CN201710104687.7A Active CN106602989B (en) | 2017-02-24 | 2017-02-24 | A kind of concentration photo-thermal electricity generation system and electricity-generating method |
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| CN106602989B (en) * | 2017-02-24 | 2018-04-06 | 江苏中信博新能源科技股份有限公司 | A kind of concentration photo-thermal electricity generation system and electricity-generating method |
| US11283395B2 (en) | 2018-03-23 | 2022-03-22 | Nextracker Inc. | Multiple actuator system for solar tracker |
| US11387771B2 (en) | 2018-06-07 | 2022-07-12 | Nextracker Llc | Helical actuator system for solar tracker |
| US11050383B2 (en) | 2019-05-21 | 2021-06-29 | Nextracker Inc | Radial cam helix with 0 degree stow for solar tracker |
| CN111338386B (en) * | 2019-12-20 | 2021-09-03 | 武汉理工大学 | Heliostat light condensation efficiency evaluation method under wind load effect |
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| JP5964122B2 (en) * | 2012-04-19 | 2016-08-03 | 北越工業株式会社 | Engine-generator connection structure for engine-driven generators |
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| CN106602989B (en) * | 2017-02-24 | 2018-04-06 | 江苏中信博新能源科技股份有限公司 | A kind of concentration photo-thermal electricity generation system and electricity-generating method |
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| DE05752475T1 (en) * | 2004-06-24 | 2009-09-17 | Heliodynamics Ltd., Caxton | SOLAR ENERGY COLLECTOR SYSTEMS |
| WO2015074510A1 (en) * | 2013-11-20 | 2015-05-28 | 刘辉 | Wind-solar complementary solar power generation system |
| JP2015211629A (en) * | 2014-04-23 | 2015-11-24 | 淳二 原 | Three-dimensional photovoltaic power generation system |
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