CN202840596U - Solar photovoltaic energy storage power station - Google Patents
Solar photovoltaic energy storage power station Download PDFInfo
- Publication number
- CN202840596U CN202840596U CN2012204572627U CN201220457262U CN202840596U CN 202840596 U CN202840596 U CN 202840596U CN 2012204572627 U CN2012204572627 U CN 2012204572627U CN 201220457262 U CN201220457262 U CN 201220457262U CN 202840596 U CN202840596 U CN 202840596U
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- Prior art keywords
- solar
- photovoltaic
- power station
- output
- energy storage
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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
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a solar photovoltaic energy storage power station, comprising a solar photovoltaic assembly, an energy storage device, an inverter, and a power generating power control device. The solar photovoltaic assembly is formed by a plurality of solar cell panels. Each of the solar cell panels is connected with a micro-charger. After being connected with the micro-chargers, the solar cell panels are then connected with the energy storage device through the power generating power control device. According to the utility model, the gradual minimization of a photovoltaic power station networking unit is employed, the influences caused by faults of individual battery assemblies and by the environment are effectively reduced, and each of the cell panels can be effectively kept at a maximum power output state, so that the overall system photovoltaic resource utilization rate is effectively increased.
Description
Technical field
The utility model relates to the Application of Solar Energy field, especially a kind of photovoltaic energy-accumulating power station.
Background technology
The photovoltaic energy-accumulating power station, claim again from the net solar photovoltaic power plant, have energy-conservation, environmental protection, easy to install, once invest the characteristics such as long-term gain, obtain all over the world at present using more and more widely, especially in remote districts, such as the pasture, grassland, the remote mountain village of high mountain island and less developed country etc.One mainly is that solar photovoltaic assembly is arranged from the net photovoltaic generating system, batteries, the compositions such as inverter (direct current supply need not inverter) and generated power control system.
Usually solar photovoltaic assembly is comprised of many solar panels that closely link to each other.These cell panels divide into groups first to connect, and formation array again is together in parallel different series batteries.The direct current that is produced by solar panel array can flow to the control cubicle that is positioned at panel array side side, the direct current that usually will have a DC-DC converter that the solar components array is sent in the control cubicle converts the voltage that is fit to charge in batteries to, and is controlling discharging and recharging of storage battery.Any one battery component breaks down and will cause whole battery pack array inefficacy or generating efficiency greatly to descend in series-parallel like this battery component array.In addition, when covering some battery version assembly if any local shade or foreign material etc. when environment of living in is bad, this situation also can occur.
Having, is effectively to adopt maximal power tracing technology (MPPT) to make each solar cell panel assembly work in the maximum power output state for a kind of like this compound mode of photovoltaic module array again.
Adopt gradually minimizing of photovoltaic plant networking unit, can effectively reduce the impact because the individual cell assembly breaks down or environment causes, and can effectively make each cell panel be in the maximum power output state, thereby can effectively improve entire system photovoltaic resources utilance.
The utility model content
The technical problems to be solved in the utility model is: propose a kind of photovoltaic energy-accumulating power station that adopts and use mini charger technology and photovoltaic from the establishing method in net power station, make the power station group network topological structure minimize to reach the generating efficiency that improves photovoltaic plant.
The technical scheme that the utility model adopts is: a kind of photovoltaic energy-accumulating power station, comprise solar photovoltaic assembly, energy storage device, inverter and generated output control device, described solar photovoltaic assembly is comprised of a plurality of solar panels, and each solar panel is connected with a mini charger; Described solar panel is connected with energy storage device by the generated output control device after connecting mini charger.
Specifically, mini charger described in the utility model comprises solar-electricity pool controller, DC/DC transducer, monitoring and protecting device and communication interface arrangement; The output of described monitoring and protecting device is connected with solar-electricity pool controller and DC/DC transducer respectively; The output of described solar-electricity pool controller connects the DC/DC transducer; The output of DC/DC transducer connects the input of monitoring and protecting device; The output of described communication interface arrangement connects monitoring and protecting device.
Solar photovoltaic assembly described in the utility model is solar cell panel assembly or the part that is comprised of some wafers or single wafer or the part of single wafer; Described energy storage device is batteries; Described generated output control device is control cubicle or control box.
Simultaneously, the utility model also provides a kind of establishing method of photovoltaic energy-accumulating power station, and every basic photovoltaic module all disposes an independently mini charger, carries out independently solar cell MPPT control; The output current of a plurality of mini chargers is by control cubicle or the control box backward battery charging that confluxes.Described microcontroller and solar photovoltaic assembly integrate or are placed on centralized maintenance in the same control cubicle.The output current of described a plurality of mini chargers is direct current output.
The beneficial effects of the utility model are: adopted gradually minimizing of photovoltaic plant networking unit, effectively reduce the impact because the individual cell assembly breaks down or environment causes, and can effectively make each cell panel be in the maximum power output state, thereby can effectively improve entire system photovoltaic resources utilance.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is that photovoltaic is from net power station framework schematic diagram;
Fig. 2 concentrates the solar energy that confluxes from net power station schematic diagram in the prior art;
Fig. 3 photovoltaic energy-accumulating power station of the present utility model schematic diagram;
Fig. 4 is the theory diagram of the utility model mini charger.
Embodiment
With preferred embodiment the utility model is described in further detail by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, one mainly is that solar photovoltaic assembly is arranged from the net photovoltaic generating system, batteries, the compositions such as inverter (direct current supply need not inverter) and generated power control system.
What Fig. 2 provided is usually to adopt the photovoltaic energy-accumulating power station schematic diagram of concentrating the mode of confluxing.Then the again parallel connection of connecting respectively first of solar panel output current sends into control cubicle to charge in batteries.
A kind of photovoltaic energy-accumulating power station shown in Fig. 3,4, comprise solar photovoltaic assembly, energy storage device, inverter and generated output control device, solar photovoltaic assembly is comprised of a plurality of solar panels, and each solar panel is connected with a mini charger; Solar panel is connected with energy storage device by the generated output control device after connecting mini charger.
Mini charger comprises solar-electricity pool controller, DC/DC transducer, monitoring and protecting device and communication interface arrangement; The output of monitoring and protecting device is connected with solar-electricity pool controller and DC/DC transducer respectively; The output of solar-electricity pool controller connects the DC/DC transducer; The output of DC/DC transducer connects the input of monitoring and protecting device; The output of communication interface arrangement connects monitoring and protecting device.As can be seen from Figure 3 each solar panel is with a mini charger.This mini charger is a DC-to-DC with the MPPT function (DC/DC) transducer.
Wherein the solar-electricity pool controller is used for the maximal power tracing (MPPT) of control solar cell so that solar cell can be in maximum photoelectric conversion efficiency all the time; The DC/DC transducer is used for the direct voltage of solar cell output is converted to the voltage that is fit to charge in batteries; Monitoring and protection is mainly used in the chargers gets overloaded protection; The communication function interface then can be used for the operating state of remote monitoring solar cell panel and mini charger in order in time adjust.
Solar photovoltaic assembly described in the utility model is not limited to singly refer to the commodity assembly of photovoltaic module manufacturer sale, also can refer to a part that is formed by some wafers of commodity component internal, until each monomer wafer, even the part of a monomer wafer.Described energy storage device is batteries; Described generated output control device is control cubicle or control box.
Every basic photovoltaic module of the utility model disposes an independently charge controller, carries out independently MPPT control; The output of a plurality of charge controllers is by backward batteries or other energy storage device charging of confluxing of control cubicle or control box.In this case, control cubicle or control box no longer need MPPT control.
After all outputs that comprise the monomer assembly of MPPT function are confluxed mutually in commodity assembly, be exactly the direct current output of this commodity assembly; Arbitrarily the direct current of n commodity assembly is exported according to the certain way backward charge in batteries that confluxes.
What describe in the above specification is embodiment of the present utility model, various not illustrating is construed as limiting flesh and blood of the present utility model, the person of an ordinary skill in the technical field after having read specification can to before described embodiment make an amendment or be out of shape, and do not deviate from essence and the scope of utility model.
Claims (7)
1. photovoltaic energy-accumulating power station, comprise solar photovoltaic assembly, energy storage device, inverter and generated output control device, it is characterized in that: described solar photovoltaic assembly is comprised of a plurality of solar panels, and each solar panel is connected with a mini charger; Described solar panel is connected with energy storage device by the generated output control device after connecting mini charger.
2. photovoltaic energy-accumulating power station as claimed in claim 1, it is characterized in that: described mini charger comprises solar-electricity pool controller, DC/DC transducer, monitoring and protecting device and communication interface arrangement; The output of described monitoring and protecting device is connected with solar-electricity pool controller and DC/DC transducer respectively; The output of described solar-electricity pool controller connects the DC/DC transducer; The output of DC/DC transducer connects the input of monitoring and protecting device; The output of described communication interface arrangement connects monitoring and protecting device.
3. photovoltaic energy-accumulating power station as claimed in claim 1 is characterized in that: described solar photovoltaic assembly is solar cell panel assembly or the part that is comprised of some wafers or single wafer or the part of single wafer.
4. photovoltaic energy-accumulating power station as claimed in claim 1, it is characterized in that: described energy storage device is batteries.
5. photovoltaic energy-accumulating power station as claimed in claim 1, it is characterized in that: described generated output control device is control cubicle or control box.
6. photovoltaic energy-accumulating power station as claimed in claim 1, it is characterized in that: described microcontroller and solar photovoltaic assembly integrate or are placed on centralized maintenance in the same control cubicle.
7. photovoltaic energy-accumulating power station as claimed in claim 1 is characterized in that: the output current of described a plurality of mini chargers is direct current output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204572627U CN202840596U (en) | 2012-09-10 | 2012-09-10 | Solar photovoltaic energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204572627U CN202840596U (en) | 2012-09-10 | 2012-09-10 | Solar photovoltaic energy storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840596U true CN202840596U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204572627U Expired - Lifetime CN202840596U (en) | 2012-09-10 | 2012-09-10 | Solar photovoltaic energy storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684215A (en) * | 2012-09-10 | 2014-03-26 | 常州新智源电子科技有限公司 | Energy-storage solar photovoltaic (PV) power station and construction method for energy-storage solar PV power station |
| CN107294132A (en) * | 2017-06-29 | 2017-10-24 | 山东新华联智能光伏有限公司 | Photovoltaic parallel in system |
-
2012
- 2012-09-10 CN CN2012204572627U patent/CN202840596U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684215A (en) * | 2012-09-10 | 2014-03-26 | 常州新智源电子科技有限公司 | Energy-storage solar photovoltaic (PV) power station and construction method for energy-storage solar PV power station |
| CN107294132A (en) * | 2017-06-29 | 2017-10-24 | 山东新华联智能光伏有限公司 | Photovoltaic parallel in system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |