CN202135081U - Photovoltaic power station - Google Patents
Photovoltaic power station Download PDFInfo
- Publication number
- CN202135081U CN202135081U CN201120207288U CN201120207288U CN202135081U CN 202135081 U CN202135081 U CN 202135081U CN 201120207288 U CN201120207288 U CN 201120207288U CN 201120207288 U CN201120207288 U CN 201120207288U CN 202135081 U CN202135081 U CN 202135081U
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- photovoltaic
- electrically connected
- inverter
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- direct current
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Photovoltaic Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Provided is a photovoltaic power station, belonging to the technical field of solar energy application. Photovoltaic assemblies are combined to form photovoltaic arrays with different sizes, and in dependence on requirements of users, photovoltaic power stations of different types and different power can be combined to provide DC (Direct Current) sources and AC (alternating current) sources; the residual electric quantity can be inputted into electrical networks or all the generated electricity is inputted into the electrical networks. The photovoltaic power station is based on one-time investment and requires no maintenance costs; and moreover, the photovoltaic power station has the characteristics of safety, energy conservation, environmental protection, and simple apparatuses; besides, no hidden troubles exist.
Description
Technical field
The utility model relates to a kind of photovoltaic plant, belongs to application of solar.
Background technology
Traditional fuel energy reduces day by day, and the harm that environment is caused becomes increasingly conspicuous, and the whole world also has 2,000,000,000 people to can not get normal energy supply simultaneously.When non-renewable energy resources such as electric power, coal, oil signal for help repeatedly, when energy problem became the bottleneck of restriction international community economic development day by day, more and more countries came into effect " sunlight program ", and the exploitation solar energy resources is sought the new power of economic development.The whole world has all been invested regenerative resource to sight, hopes that regenerative resource can change human energy resource structure, keeps long-range sustainable development.Solar energy forms the focus of paying attention to into people among this with its exclusive advantage.Abundant solar radiant energy is an important energy, is the energy inexhaustible, nexhaustible, pollution-free, cheap, that the mankind can freely utilize.Solar energy arrives the energy on ground each second up to 800,000 kilowatts, if transfer the solar energy of earth surface 0.1% to electric energy, number turnover 5%, annual energy output can reach 5.6 * 1012 kilowatt-hours, is equivalent to 40 times of present energy consumption in the world.
Summary of the invention
The utility model provides a kind of photovoltaic plant, and this photovoltaic plant should use the solar photovoltaic assembly power supply, and disposable input does not have any maintenance cost, the no hidden danger of safety, and energy-conservation no consumption, environmental protection is installed easy.
The technical scheme that the utility model adopts is: a kind of photovoltaic plant, and adopt photovoltaic module to be combined into photovoltaic arrays, said photovoltaic arrays is electrically connected with header box, direct current cabinet successively and constitutes a DC power supply.
Said direct current cabinet becomes to be electrically connected with storage battery with electrical appliance, and storage battery becomes to be electrically connected with electrical appliance again.
When sunlight was arranged, electrical appliance can be directly by the power supply of direct current cabinet, and the electrical power storage of Yu Fu supplies electrical appliance to use at night in storage battery.
Said direct current cabinet becomes to be electrically connected with inverter with storage battery, and storage battery also becomes to be electrically connected with inverter, and inverter becomes to be electrically connected with electrical appliance.Electrical appliance uses alternating current, because of having prepared storage battery, can supply power round the clock.
Said direct current cabinet becomes to be electrically connected with inverter with storage battery, and storage battery also becomes to be electrically connected with inverter, and inverter becomes to be electrically connected with electrical appliance.Inverter also becomes to be electrically connected with booster system, mesohigh electrical network successively.The storage battery that can satisfy certain operating time of electrical appliance only need be prepared in this power station, and the dump energy that photovoltaic arrays produces is through booster system input mesohigh electrical network.
Said direct current cabinet becomes to be electrically connected with inverter, booster system, mesohigh electrical network successively.The electric energy that photovoltaic arrays produces is all through booster system input mesohigh electrical network.
The beneficial effect of the utility model is: this photovoltaic plant adopts photovoltaic module to be combined into the photovoltaic arrays that varies in size; Requirement according to the user; Can be combined into multiple pattern, the different photovoltaic plant of power; For the user provides DC power supply, AC power, remaining electric weight also can be imported electrical network, perhaps all imports electrical network to electricity.The disposable input of this photovoltaic plant does not have any maintenance cost, the no hidden danger of safety, and energy-conservation no consumption, environmental protection is installed easy.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 is a kind of photovoltaic plant block diagram that DC power supply is provided for the user.
Fig. 2 is a kind of photovoltaic plant block diagram that AC power is provided for the user.
Fig. 3 a kind ofly provides AC power and the photovoltaic plant block diagram of dump energy input electrical network for the user.
Fig. 4 is a kind of photovoltaic plant block diagram of all importing energy output electrical network.
Embodiment
According to accompanying drawing embodiment is further described below.
Through photovoltaic arrays the power station that solar radiation can convert electric energy into is called photovoltaic plant.Photovoltaic plant can be divided into independent photovoltaic power station and grid-connected photovoltaic power station according to operational mode.
Not with public electric wire net link independently-powered solar photovoltaic power plant be called from the net photovoltaic plant.Be mainly used in areas without electricity and some special places away from public electric wire net; Agriculture and animal husbandry fisherman as for outlying remote rural area, pastoral area, island, plateau, desert provides illumination, see TV, basic household electricity such as listen to the radio programme, for communication relay station, coastal and special places such as inland waterway navigation aids, oil and gas pipeline cathodic protection, meteorological power station, road team and frontier sentry provide power supply.Autonomous system is made up of solar photovoltaic square formation, system controller, batteries, DC/AC inverter etc.
Fig. 1 shows a kind of photovoltaic plant that DC power supply is provided for the user.This photovoltaic plant adopts photovoltaic module to be combined into photovoltaic arrays, and photovoltaic arrays is electrically connected with header box, direct current cabinet successively and constitutes a DC power supply.The direct current cabinet is to direct-flow current consumer and storage battery power supply, and storage battery also can be supplied power to direct-flow current consumer.When sunlight was arranged, electrical appliance can be directly by the power supply of direct current cabinet, and the electrical power storage of Yu Fu supplies electrical appliance to use at night in storage battery.This photovoltaic plant can provide 12V, 24V, 48V direct current on demand.
Fig. 2 shows a kind of photovoltaic plant that AC power is provided for the user.This photovoltaic plant adopts photovoltaic module to be combined into photovoltaic arrays, and photovoltaic arrays is electrically connected with header box, direct current cabinet successively and constitutes a DC power supply.The direct current cabinet is to storage battery and inverter power supply, and storage battery also can be to inverter power supply, and inverter is supplied power to AC electric appliance.Electrical appliance uses alternating current, because of having prepared storage battery, can supply power round the clock.This photovoltaic plant can provide 110V, 220V alternating current on demand.
The solar photovoltaic power plant that links with public electric wire net and bear the power supply task jointly is called the grid-connected photovoltaic power station.It is the solar energy power generating entering large-scale commercial applications elelctrochemical power generation stage, becomes the important development direction of power industry part, is the main flow trend of world today's solar photovoltaic technology development.Grid-connected system is made up of photovoltaic square formation, system controller, combining inverter etc.
Fig. 3 shows and a kind ofly AC power is provided and the photovoltaic plant of dump energy input electrical network for the user.This photovoltaic plant adopts photovoltaic module to be combined into photovoltaic arrays, and photovoltaic arrays is electrically connected with header box, direct current cabinet successively and constitutes a DC power supply.The direct current cabinet is to storage battery and inverter power supply, and storage battery also can be to inverter power supply, and inverter is supplied power to AC electric appliance.Inverter also becomes to be electrically connected with booster system, mesohigh electrical network successively.The storage battery that can satisfy certain operating time of electrical appliance only need be prepared in this power station, and the dump energy that photovoltaic arrays produces is through booster system input mesohigh electrical network.
Fig. 4 shows a kind of photovoltaic plant of all importing energy output electrical network.This photovoltaic plant adopts photovoltaic module to be combined into photovoltaic arrays, and photovoltaic arrays is electrically connected with header box, direct current cabinet successively and constitutes a DC power supply.The direct current cabinet becomes to be electrically connected with inverter, booster system, mesohigh electrical network successively.The electric energy that photovoltaic arrays produces is all through booster system input mesohigh electrical network.
Claims (5)
1. a photovoltaic plant adopts photovoltaic module to be combined into photovoltaic arrays, it is characterized in that: said photovoltaic arrays is electrically connected with header box, direct current cabinet successively and constitutes a DC power supply.
2. a kind of photovoltaic plant according to claim 1 is characterized in that: said direct current cabinet becomes to be electrically connected with storage battery with electrical appliance, and storage battery becomes to be electrically connected with electrical appliance again.
3. a kind of photovoltaic plant according to claim 1 is characterized in that: said direct current cabinet becomes to be electrically connected with inverter with storage battery, and storage battery also becomes to be electrically connected with inverter, and inverter becomes to be electrically connected with electrical appliance.
4. a kind of photovoltaic plant according to claim 3 is characterized in that: said inverter also becomes to be electrically connected with booster system, mesohigh electrical network successively.
5. a kind of photovoltaic plant according to claim 1 is characterized in that: said direct current cabinet becomes to be electrically connected with inverter, booster system, mesohigh electrical network successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120207288U CN202135081U (en) | 2011-06-20 | 2011-06-20 | Photovoltaic power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120207288U CN202135081U (en) | 2011-06-20 | 2011-06-20 | Photovoltaic power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202135081U true CN202135081U (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120207288U Expired - Fee Related CN202135081U (en) | 2011-06-20 | 2011-06-20 | Photovoltaic power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202135081U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607034A (en) * | 2013-11-13 | 2014-02-26 | 中国能源建设集团广东省电力设计研究院 | Intensive light-storage thermal-cold system |
| CN104300375A (en) * | 2014-09-28 | 2015-01-21 | 长江勘测规划设计研究有限责任公司 | Crystalline silicon photovoltaic power station large-distance-difference direct current combination cable differentiation configuration method |
| CN105230394A (en) * | 2015-08-28 | 2016-01-13 | 新疆农业科学院农业机械化研究所 | Semi-enclosure photovoltaic power supply self-sufficient type non-cultivated land daylight greenhouse |
-
2011
- 2011-06-20 CN CN201120207288U patent/CN202135081U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607034A (en) * | 2013-11-13 | 2014-02-26 | 中国能源建设集团广东省电力设计研究院 | Intensive light-storage thermal-cold system |
| CN103607034B (en) * | 2013-11-13 | 2015-12-30 | 中国能源建设集团广东省电力设计研究院有限公司 | Intensive light-storage thermal-cold system |
| CN104300375A (en) * | 2014-09-28 | 2015-01-21 | 长江勘测规划设计研究有限责任公司 | Crystalline silicon photovoltaic power station large-distance-difference direct current combination cable differentiation configuration method |
| CN105230394A (en) * | 2015-08-28 | 2016-01-13 | 新疆农业科学院农业机械化研究所 | Semi-enclosure photovoltaic power supply self-sufficient type non-cultivated land daylight greenhouse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20120620 |