CN203466575U - Wind-solar complementary grid-connected power generation system - Google Patents
Wind-solar complementary grid-connected power generation system Download PDFInfo
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- CN203466575U CN203466575U CN201320458132.XU CN201320458132U CN203466575U CN 203466575 U CN203466575 U CN 203466575U CN 201320458132 U CN201320458132 U CN 201320458132U CN 203466575 U CN203466575 U CN 203466575U
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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
- 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
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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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- 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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a wind-solar complementary grid-connected power generation system, which comprises a solar cell module, a miniature grid-connected inverter, a storage battery, a bidirectional inverter, a wind driven generator, a wind energy grid-connected inverter, an AC distribution box and a power grid, wherein the output end of the solar cell module is connected with the input end of the miniature grid-connected inverter, the output end of the storage battery is connected with the input end of the bidirectional inverter, the output end of the wind driven generator is connected with the input end of the wind energy grid-connected inverter, the output ends of the miniature grid-connected inverter, the bidirectional inverter and the wind driven grid-connected inverter are connected to the AC distribution box, and the AC distribution box is connected with the power grid and an AC load. The wind-solar complementary grid-connected power generation system has very high energy conversion efficiency, two kinds of renewable energy sources are converted into AC electric energy through the inverters by using the complementation between solar energy and wind energy, a small uninterruptable power grid is formed by components of the system, electricity utilization requirements under different conditions are met, and the continuity and the stability of power supply of the system are ensured.
Description
Technical field
The utility model belongs to family expenses power supply technique field, especially relates to a kind of wind light mutual complementing grid-connected system.
Background technology
Along with signaling for help repeatedly of the traditional fuel resources such as coal, oil, the harm that the use of non-renewable energy resources causes environment increasingly sharpens, and energy problem becomes the bottleneck of restriction international community economic development day by day.Given this plant situation, countries in the world are all in Devoting Major Efforts To Developing regenerative resource, as solar energy, tidal energy, wind energy, biomass energy and geothermal energy equal energy source.Wherein solar energy and wind energy have very strong complementarity in time with on region, and main manifestations by day sunlight intensity is large and wind is little, and evening, intensity of illumination was very weak, but because earth's surface difference variation makes greatly wind energy reinforcement.Summer sunlight intensity large and wind is little; Winter solar luminous intensity is weak and wind is large.Therefore solar energy and wind energy complementarity in time make wind and solar hybrid generating system in resource, have preferably matching.
At present photovoltaic generating system is mainly divided into grid-connected photovoltaic system and from net photovoltaic system.In grid-connected photovoltaic system, photovoltaic module is direct current energy by solar energy and wind energy transformation, by combining inverter, direct current energy is converted into the AC energy supply load of electrical network with frequency homophase and is used and feed-in electrical network; In net photovoltaic system, controller can carry out regulation and control to photovoltaic module electricity, on the one hand the energy after adjusting is sent to DC load or AC load, on the other hand unnecessary energy being sent to batteries stores, when electricity can not meet load needs, controller is sent to load the electric energy of electric power storage again.
Domestic solar roof system is widely used at present, wherein major part is grid-connected system, if but the electrical network that this system connects break down after power-off, whole system also can stop generating, cause domestic loads to work, to user, bring loss and inconvenience; Another part is off-grid system, although can guarantee the continuous operation of domestic loads, but this system also has obvious shortcoming, as not high in system effectiveness, reliability is bad, needs periodic maintenance, and often discharging and recharging of storage battery causes its useful life limited, need periodic replacement, so the maintenance cost of this system is very high.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of wind light mutual complementing grid-connected system, and whole system has very high energy conversion efficiency, meets the need for electricity of load under different situations, guarantees the stability of system power supply.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of wind light mutual complementing grid-connected system, comprise solar module, miniature grid-connected inverter, storage battery, two-way inverter, wind-driven generator, wind power grid-connected inverter, A.C. distribution box and electrical network, it is characterized in that: the output of described solar module is connected with the input of described miniature grid-connected inverter, the output of described storage battery is connected with the input of described two-way inverter, the output of described wind-driven generator is connected with the input of described wind power grid-connected inverter, described miniature grid-connected inverter, the output of described two-way inverter and described wind power grid-connected inverter accesses respectively described A.C. distribution box, described A.C. distribution box and described electrical network, AC load is connected.
Further, described wind-driven generator is horizontal axis wind-driven generator or vertical axis aerogenerator.
Further, described solar module is monocrystalline silicon or polycrystalline solar module.
The advantage the utlity model has with good effect is: every solar components is connected miniature grid-connected inverter, has guaranteed that all solar modules are operated in maximum power point, and system has best conversion efficiency; Wind light mutual complementing grid-connected system has been realized solar energy and two kinds of regenerative resources of wind energy has been converted to clean electric energy, energy-efficient; Solar energy and wind energy have good complementarity, and by day, the fine and wind-force of sun reexamination hour, utilizes solar module to produce electric energy, at night, when wind-force is very little compared with large and solar radiation, utilize wind-driven generator to produce electric energy.When the electric energy of solar module or wind-driven generator generation is greater than the demand of AC load, unnecessary electric energy is sent into electrical network; Due to system disposition batteries, system is there is bear the ability of power network fluctuation, interruption, guaranteed the continuity of system power supply, system has very high stability.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of wind light mutual complementing grid-connected system of the utility model, comprise solar module, miniature grid-connected inverter, storage battery, two-way inverter, wind-driven generator, wind power grid-connected inverter, A.C. distribution box and electrical network, the output of solar module is connected with the input of miniature grid-connected inverter, the output of storage battery is connected with the input of two-way inverter, the output of wind-driven generator is connected with the input of wind power grid-connected inverter, miniature grid-connected inverter, the output of two-way inverter and wind power grid-connected inverter is incoming transport distribution box respectively, A.C. distribution box and electrical network, AC load is connected.
Preferably, wind-driven generator is horizontal axis wind-driven generator or vertical axis aerogenerator.
Preferably, solar module is monocrystalline silicon or polycrystalline solar module.
Preferably, storage battery is lead acid accumulator or replaces storage battery or ferric phosphate lithium cell.
The course of work of this example: above-mentioned all parts forms in fact the small-sized uninterrupted electrical network of family expenses, the AC load of family is preferentially used the electric energy that solar energy produces under normal circumstances, if the electric energy deficiency that solar energy produces, the wind energy transformation of utilizing wind-driven generator to produce becomes electric energy to power, when the electric energy surplus of solar energy and wind energy is, superfluous electric energy by two-way inverter to battery charging.When the electric energy that sky sun energy and wind energy provide when running into the cloudy day is not enough to meet the normal use of AC load, electrical network powers to the load as a supplement.If electrical network has a power failure because of fault, now storage battery is by two-way inverter power supply, uninterrupted to guarantee electric power system.
Advantage of the present utility model: every solar components connects miniature grid-connected inverter, has guaranteed that all solar modules are operated in maximum power point, and system has best conversion efficiency; Wind light mutual complementing grid-connected system has been realized solar energy and two kinds of regenerative resources of wind energy has been converted to clean electric energy, energy-efficient; Solar energy and wind energy have good complementarity, and by day, the fine and wind-force of sun reexamination hour, utilizes solar module to produce electric energy, at night, when wind-force is very little compared with large and solar radiation, utilize wind-driven generator to produce electric energy.When the electric energy of solar module or wind-driven generator generation is greater than the demand of AC load, unnecessary electric energy is sent into electrical network; Due to system disposition batteries, system is there is bear the ability of power network fluctuation, interruption, guaranteed the continuity of system power supply, system has very high stability.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (3)
1. a wind light mutual complementing grid-connected system, comprise solar module, miniature grid-connected inverter, storage battery, two-way inverter, wind-driven generator, wind power grid-connected inverter, A.C. distribution box and electrical network, it is characterized in that: the output of described solar module is connected with the input of described miniature grid-connected inverter, the output of described storage battery is connected with the input of described two-way inverter, the output of described wind-driven generator is connected with the input of described wind power grid-connected inverter, described miniature grid-connected inverter, the output of described two-way inverter and described wind power grid-connected inverter accesses respectively described A.C. distribution box, described A.C. distribution box and described electrical network, AC load is connected.
2. wind light mutual complementing grid-connected system according to claim 1, is characterized in that: described wind-driven generator is horizontal axis wind-driven generator or vertical axis aerogenerator.
3. wind light mutual complementing grid-connected system according to claim 1, is characterized in that: described solar module is monocrystalline silicon or polycrystalline solar module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458132.XU CN203466575U (en) | 2013-07-30 | 2013-07-30 | Wind-solar complementary grid-connected power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458132.XU CN203466575U (en) | 2013-07-30 | 2013-07-30 | Wind-solar complementary grid-connected power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466575U true CN203466575U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320458132.XU Expired - Fee Related CN203466575U (en) | 2013-07-30 | 2013-07-30 | Wind-solar complementary grid-connected power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203466575U (en) |
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2013
- 2013-07-30 CN CN201320458132.XU patent/CN203466575U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20150730 |
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| EXPY | Termination of patent right or utility model |