CN107453684A - A kind of photovoltaic system for stablizing output power - Google Patents
A kind of photovoltaic system for stablizing output power Download PDFInfo
- Publication number
- CN107453684A CN107453684A CN201710854162.5A CN201710854162A CN107453684A CN 107453684 A CN107453684 A CN 107453684A CN 201710854162 A CN201710854162 A CN 201710854162A CN 107453684 A CN107453684 A CN 107453684A
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- CN
- China
- Prior art keywords
- battery
- detection module
- controlling switch
- inverter
- photovoltaic
- 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.)
- Pending
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- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
- H02S10/20—Systems characterised by their energy storage means
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of photovoltaic system for stablizing output power in technical field of photovoltaic power generation, including solar battery group, photovoltaic controller, inverter, battery, the control axis of controllable whole system working condition；The system is additionally provided with current detection module, the electronic switch of controlled maincenter control；Each battery is each equipped with controlling switch, electric power detection module, and controlling switch is arranged on the circuit that battery is connected with inverter；Current detection module is arranged on the circuit of the output end of solar battery group and the input connection of photovoltaic controller, and for detecting whether has electric current to pass through；Electronic switch is arranged on the circuit that batteries are connected with inverter.Can photovoltaic system be in do not generate electricity state when automatic switching line so that batteries can powering load, to ensure that electric power output process is not interrupted.
Description
Technical field
The present invention relates to technical field of photovoltaic power generation, more particularly to a kind of photovoltaic system for stablizing output power.
Background technology
At present, photovoltaic system includes solar battery group, photovoltaic controller, inverter, battery, solar battery group
The input of output end and photovoltaic controller is connected, and the output end of photovoltaic controller is sequentially communicated inverter, load, light all the way
Lie prostrate the output end another way connection battery of controller.But it is in what is do not generated electricity in night or stormy weather, photovoltaic system
State, load easy power down.
The content of the invention
It is an object of the invention to provide a kind of photovoltaic system for stablizing output power, can be in and not generate electricity in photovoltaic system
State when ensure the stable output of electric power.
The object of the present invention is achieved like this：A kind of photovoltaic system for stablizing output power, including solar cell
Group, photovoltaic controller, inverter, battery, the output end of the solar battery group connect with the input of photovoltaic controller
Logical, the output end of the photovoltaic controller is sequentially communicated inverter, load, the output end another way of the photovoltaic controller all the way
Battery is connected, the battery is provided with multiple and one batteries of formation；The system is additionally provided with controllable whole system
The control axis of working condition；The system is additionally provided with current detection module, the electronic switch of controlled maincenter control；
Each battery is each equipped with controlling switch, be also configured with for detect accumulator electric-quantity, can be to control axis
The electric power detection module of accumulator electric-quantity information is fed back, the controlling switch, electric power detection module communicate with control axis to be connected
Connect, the controlling switch is arranged on the circuit that battery is connected with inverter；
The current detection module is arranged on the circuit of the output end of solar battery group and the input connection of photovoltaic controller
On, and for detecting whether there is electric current to pass through；
The electronic switch is arranged on the circuit that batteries are connected with inverter；
When the current detection module does not detect that electric current passes through, the electronic switch is in the conduction state, when the electricity
When stream detection module detects that electric current passes through, the electronic switch, controlling switch are off；
When the current detection module does not detect that electric current passes through, one of controlling switch is in the conduction state；
When one of electric power detection module detects that corresponding battery is in low battery state, corresponding to the battery
Controlling switch is off, and the controlling switch of another battery is in the conduction state.
Compared with prior art, the beneficial effects of the present invention are：Can be when photovoltaic system be in the state not generated electricity certainly
Dynamic switching circuit so that batteries can powering load, to ensure that electric power output process is not interrupted；Conventional power generation usage state
Under, solar battery group charges to each battery；Batteries are provided with multiple batteries, when the electricity of one of battery
When insufficient, the sufficient battery of another electricity can be automatically switched to continue to power to the load, to ensure that electric power can obtain
Stable output；Whole-course automation controls, easy to operate.
Brief description of the drawings
Fig. 1 is the layout drawing of the present invention.
Fig. 2 is the control planning figure of the present invention.
Wherein, 1 solar battery group, 2 current detection modules, 3 photovoltaic controllers, 4 inverters, 5 loads, 6 controlling switches,
7 batteries, 8 electric power detection modules, 9 electronic switches, 10 control axis, 11 batteries.
Embodiment
As shown in Figure 1-2, a kind of photovoltaic system for stablizing output power, including solar battery group 1, photovoltaic controller
3rd, inverter 4, battery 7, the output end and the input of photovoltaic controller 3 of solar battery group 1 are connected, photovoltaic controller
3 output end is sequentially communicated inverter 4, load 5, the output end another way connection battery 7 of photovoltaic controller 3, electric power storage all the way
Pond 7 is provided with multiple and one batteries 11 of formation；The system is additionally provided with the control of controllable whole system working condition
Pivot 10；The system is additionally provided with current detection module 2, the electronic switch 9 that controlled maincenter 10 controls.
Above-mentioned each battery 7 is each equipped with controlling switch 6, be also configured with for detect the electricity of battery 7, can be to control
Maincenter 10 processed feeds back the electric power detection module 8 of the information about power of battery 7, controlling switch 6, electric power detection module 8 with control
The communication connection of pivot 10, controlling switch 6 are arranged on the circuit that battery 7 is connected with inverter 4.
The output end that above-mentioned current detection module 2 is arranged on solar battery group 1 is connected with the input of photovoltaic controller 3
Circuit on, and for detecting whether there is electric current to pass through.
Above-mentioned electronic switch 9 is arranged on the circuit that batteries 11 are connected with inverter 4.
When above-mentioned current detection module 2 does not detect that electric current passes through, electronic switch 9 is in the conduction state, works as electric current
When detection module 2 detects that electric current passes through, electronic switch 9, controlling switch 6 are off.
When above-mentioned current detection module 2 does not detect that electric current passes through, one of controlling switch 6 is on shape
State.
When one of electric power detection module 8 detects that corresponding battery 7 is in low battery state, the battery 7
Corresponding controlling switch 6 is off, and the controlling switch 6 of the sufficient battery 7 of another electricity is on automatically
State.
Under conventional power generation usage state, solar battery group 1 charges to each battery 7；Batteries 11 are provided with multiple electric power storages
Pond 7, when the not enough power supply of one of battery 7, the sufficient battery 7 of another electricity can be automatically switched to continue to
Load supplying, to ensure output that electric power can be stablized.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic
A little to replace and deform, these are replaced and deformation is within the scope of the present invention.
Claims (1)
1. a kind of photovoltaic system for stablizing output power, including solar battery group（1）, photovoltaic controller（3）, inverter
（4）, battery（7）, the solar battery group（1）Output end and photovoltaic controller（3）Input be connected, the light
Lie prostrate controller（3）Output end be sequentially communicated inverter all the way（4）, load（5）, the photovoltaic controller（3）Output end it is another
Battery is connected all the way（7）, it is characterised in that：The battery（7）It is provided with multiple and one batteries of formation（11）；Should
System is additionally provided with the control axis of controllable whole system working condition（10）；The system is additionally provided with controlled maincenter（10）Control
Current detection module（2）, electronic switch（9）；
Each battery（7）It is each equipped with controlling switch（6）, it is also configured with being used to detect battery（7）Electricity, can be to
Control axis（10）Feed back battery（7）The electric power detection module of information about power（8）, the controlling switch（6）, electric power detection mould
Block（8）And control axis（10）Communication connection, the controlling switch（6）It is arranged on battery（7）With inverter（4）Connection
On circuit；
The current detection module（2）It is arranged on solar battery group（1）Output end and photovoltaic controller（3）Input connect
On the circuit connect, and for detecting whether there is electric current to pass through；
The electronic switch（9）It is arranged on batteries（11）With inverter（4）On the circuit being connected；
When the current detection module（2）When not detecting that electric current passes through, the electronic switch（9）It is in the conduction state, when
The current detection module（2）When detecting that electric current passes through, the electronic switch（9）, controlling switch（6）It is off；
When the current detection module（2）When not detecting that electric current passes through, one of controlling switch（6）It is on shape
State；
When one of electric power detection module（8）Detect corresponding battery（7）During in low battery state, the battery
（7）Corresponding controlling switch（6）It is off, the sufficient battery of another electricity（7）Controlling switch（6）Automatically
It is in the conduction state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854162.5A CN107453684A (en) | 2017-09-20 | 2017-09-20 | A kind of photovoltaic system for stablizing output power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854162.5A CN107453684A (en) | 2017-09-20 | 2017-09-20 | A kind of photovoltaic system for stablizing output power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107453684A true CN107453684A (en) | 2017-12-08 |
Family
ID=60497904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710854162.5A Pending CN107453684A (en) | 2017-09-20 | 2017-09-20 | A kind of photovoltaic system for stablizing output power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107453684A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638954A (en) * | 2018-12-25 | 2019-04-16 | 北斗航天汽车（北京）有限公司 | A kind of uninterrupted experiment power supply |
| CN110401258A (en) * | 2018-04-25 | 2019-11-01 | 北京汉能光伏投资有限公司 | Solar battery output control method |
| CN114923306A (en) * | 2022-03-31 | 2022-08-19 | 西安工程大学 | Solar hot-wire defroster and defrosting method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201252405Y (en) * | 2008-08-07 | 2009-06-03 | 上海汇阳新能源科技有限公司 | Grid-connected solar power station for gas stations |
| CN101699749A (en) * | 2009-10-29 | 2010-04-28 | 江苏金敏能源股份有限公司 | Off-grid small-sized solar power plant system and control method thereof |
| CN202713195U (en) * | 2012-07-25 | 2013-01-30 | 盛朗永旭新能源技术开发（北京）有限公司 | Household photovoltaic power generation system |
| CN104953676A (en) * | 2015-07-17 | 2015-09-30 | 贵州大学 | Control system and control method for solar car batteries |
| CN105226800A (en) * | 2015-10-27 | 2016-01-06 | 夏百战 | A kind of solar energy power generating urban lighting system |
| CN205647004U (en) * | 2016-04-29 | 2016-10-12 | 于春荣 | Supplementary electric system of using of automobile solar energy |
-
2017
- 2017-09-20 CN CN201710854162.5A patent/CN107453684A/en active Pending
Patent Citations (6)
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| CN201252405Y (en) * | 2008-08-07 | 2009-06-03 | 上海汇阳新能源科技有限公司 | Grid-connected solar power station for gas stations |
| CN101699749A (en) * | 2009-10-29 | 2010-04-28 | 江苏金敏能源股份有限公司 | Off-grid small-sized solar power plant system and control method thereof |
| CN202713195U (en) * | 2012-07-25 | 2013-01-30 | 盛朗永旭新能源技术开发（北京）有限公司 | Household photovoltaic power generation system |
| CN104953676A (en) * | 2015-07-17 | 2015-09-30 | 贵州大学 | Control system and control method for solar car batteries |
| CN105226800A (en) * | 2015-10-27 | 2016-01-06 | 夏百战 | A kind of solar energy power generating urban lighting system |
| CN205647004U (en) * | 2016-04-29 | 2016-10-12 | 于春荣 | Supplementary electric system of using of automobile solar energy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401258A (en) * | 2018-04-25 | 2019-11-01 | 北京汉能光伏投资有限公司 | Solar battery output control method |
| CN109638954A (en) * | 2018-12-25 | 2019-04-16 | 北斗航天汽车（北京）有限公司 | A kind of uninterrupted experiment power supply |
| CN114923306A (en) * | 2022-03-31 | 2022-08-19 | 西安工程大学 | Solar hot-wire defroster and defrosting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171208 |
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| RJ01 | Rejection of invention patent application after publication |