CN202364159U - Photovoltaic energy storing device - Google Patents
Photovoltaic energy storing device Download PDFInfo
- Publication number
- CN202364159U CN202364159U CN2011204587736U CN201120458773U CN202364159U CN 202364159 U CN202364159 U CN 202364159U CN 2011204587736 U CN2011204587736 U CN 2011204587736U CN 201120458773 U CN201120458773 U CN 201120458773U CN 202364159 U CN202364159 U CN 202364159U
- Authority
- CN
- China
- Prior art keywords
- bus
- photovoltaic
- energy
- storage device
- inverter
- 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.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000004146 energy storage Methods 0.000 claims description 18
- 230000002441 reversible effect Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 8
- 230000002452 interceptive effect Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a photovoltaic energy storing device including a bus connecting with multiple modules to realize energy transmission among the modules. A photovoltaic unit is used for outputting photovoltaic energy to a DC bus. A bidirectional transducer connects an external battery with the DC bus for a bidirectional energy exchange and is used for outputting electric energy in the external battery through the DC bus or is used for charging the battery by utilizing the energy in the DC bus. An inverter connects a power grid and the DC bus for a bidirectional energy exchange. The inverter realizes AC-DC conversion to outputs electric energy in the power grid through the DC bus or realizes DC-AC conversion to transmit energy in the DC bus to the power grid. A plurality of load are connected to the inverter. The inverter realizes energy output to the loads through energy conversion.
Description
Technical field
the utility model relates to a kind of photovoltaic energy storage device.
Background technology
The application of
solar inverter more and more widely, but solar energy has discontinuity, inherent shortcomings such as unsteadiness.Cloudy day or night, the photovoltaic DC-to-AC converter user can't use solar energy.When electrical network was unusual, photovoltaic DC-to-AC converter was in the isolated island protected mode, can't continue powering load.
Summary of the invention
The purpose of
the utility model will provide a kind of photovoltaic energy storage device exactly, solved the photovoltaic DC-to-AC converter user and can't or use the defective of solar energy night at the cloudy day, makes the client can be at any time, and any weather uses solar energy down.When electrical network did not perhaps have electrical network unusually, this product can be used as back-up source, continues powering load.
The technical scheme of
the utility model has provided a kind of photovoltaic energy storage device, and it comprises: dc bus, and it links to each other with a plurality of modules to accomplish the NE BY ENERGY TRANSFER between each module; Photovoltaic cells, being used for can to dc bus output photovoltaic; Reversible transducer, reversible transducer is connected an external cell with the dc bus two-way interactive, and reversible transducer is used for the electric energy of external cell is externally exported through dc bus, or is used to energy in dc bus to battery charge; Inverter; Inverter is connected electrical network with the dc bus two-way interactive; Inverter is accomplished the AC-DC conversion electric energy in the electrical network is externally exported through dc bus; Or accomplish the DC-AC conversion and will also be connected with a plurality of loads on the said inverter from the NE BY ENERGY TRANSFER in the dc bus to electrical network, inverter is exported to load through power conversion.
preferably, it also comprises a power supply supervision unit, and this power supply supervision unit links to each other with dc bus to monitor this photovoltaic energy storage device.
preferably, it comprises that also an intelligent measuring apparatus links to each other with dc bus, to be used to monitor this photovoltaic energy storage device.
preferably, it also comprises a compress cell, is used for the photovoltaic that does not reach normal voltage of photovoltaic cells output can be promoted to normal voltage.
preferably, when photovoltaic cells provides energy through the load of dc bus subtend to battery charge.
preferably, in the peak of power consumption stage, electrical network does not provide load energy, is exported to load by battery.
preferably, in the electricity consumption ebb stage, electrical network when load is exported to battery charge.
The utility model adopts above structure, has the following advantages:
1, can collect the energy of solar energy, make it under the situation of no photovoltaic ability, still can use the energy of solar energy;
2, can select the energy of electrical network at times for use, for the client brings income;
3, can the electricity collection when low-valley interval get up, supply peak time to use;
4, can realize the switching of each pattern, to realize the uninterrupted power supply of load;
5, realized the scheduling of electrical network.
Description of drawings
accompanying drawing 1 is the structural principle sketch map in the utility model.
Embodiment
Set forth below in conjunction with 1 pair of preferred embodiment of the present invention of accompanying drawing in detail
; Thereby protection scope of the present invention is made more explicit defining so that advantage of the utility model and characteristic can be easier to those skilled in the art will recognize that.
shown in accompanying drawing 1, this photovoltaic energy storage device comprises dc bus (DC-LINK), is used to accomplish the NE BY ENERGY TRANSFER between each module; Photovoltaic cells (PV), being used for can to dc bus output photovoltaic; Compress cell (Boost module) is used for the photovoltaic that does not reach normal voltage of photovoltaic cells output can be promoted to normal voltage; Reversible transducer (Battery converter); Reversible transducer is connected with the dc bus bidirectional energy alternately; Reversible transducer is connected with external cell (Battery) bidirectional energy alternately; Reversible transducer is used for the electric energy of external cell is externally exported through dc bus, or the energy in dc bus is to battery charge; Inverter (Inverter); Inverter is connected with the dc bus bidirectional energy alternately; Inverter is connected with electrical network (Gird) bidirectional energy alternately; Inverter also links to each other with a plurality of loads (Load), and inverter is used for accomplishing the AC-DC variation externally to be exported the electric energy of electrical network through dc bus, or accomplishes the NE BY ENERGY TRANSFER of DC-AC in dc bus to electrical network or load; Power supply supervision unit (PMU) can be monitored this photovoltaic energy storage device through computer, and intelligent measuring apparatus (smart meter) can be monitored this photovoltaic energy storage device through wireless or wired mode.
The utlity model has a plurality of mode of operations:
A. isolated island occupation mode:
On the remote mountain areas of no electrical network or isolated island, daytime, solar energy can pass through compress cell, charged the battery through reversible transducer, simultaneously powering load
.Night or cloudy day, battery is through reversible transducer and inverter powering load, and the solar energy that the client can be realized 24 hours uses;
B. occupation mode is incorporated into the power networks:
client uses the energy in the battery in the high electricity price period at night (like 19:00-23:00), and the low electricity price period (like 23:00-07:00) charges the battery from the electrical network power taking, before second day dawn battery is full of.Can through compress cell and inverter give electrical network with the photovoltaic in the photovoltaic cells daytime, brings income to the client.
Customized occupation mode:
client can be provided with energy at any time and flow to, and uses the energy content of battery in the high electricity price period, and the low electricity price period is reduced user's electric cost to greatest extent from the electrical network power taking.
The reserve occupation mode:
When electrical network was unusual, this product automatically broke away from electrical network
, and inverter for from the net pattern, continues to give local electric by the mode switch that is incorporated into the power networks, and switching time is less than 10ms, the uninterrupted power supply of realization load.
Static/dynamically electrical network supports and reactive power compensation:
this product can be realized the scheduling of electrical network, realizes that static/dynamic electrical network supports and no-power compensation function.
The utility model adopts above structure, has the following advantages:
1, can collect the energy of solar energy, make it under the situation of no photovoltaic ability, still can use the energy of solar energy;
2, can select the energy of electrical network at times for use, for the client brings income;
3, can the electricity collection when low-valley interval get up, supply peak time to use;
4, can realize the switching of each pattern, to realize the uninterrupted power supply of load;
5, realized the scheduling of electrical network.
are above to combine diagram to be illustrated to specific embodiment of the present invention; But protection content of the present invention is not only limited to above embodiment; In affiliated technical field of the present invention; The common knowledge of GPRS just can be carried out diversified change in its technological main idea scope.
Claims (7)
1. photovoltaic energy storage device, it is characterized in that: it comprises:
Dc bus, it links to each other with a plurality of modules to accomplish the NE BY ENERGY TRANSFER between each module;
Photovoltaic cells, being used for can to dc bus output photovoltaic;
Reversible transducer, reversible transducer is connected an external cell with the dc bus two-way interactive, and reversible transducer is used for the electric energy of external cell is externally exported through dc bus, or is used to energy in dc bus to battery charge;
Inverter; Inverter is connected an electrical network with the dc bus two-way interactive; Inverter is accomplished the AC-DC conversion electric energy in the electrical network is externally exported through dc bus; Or accomplish the DC-AC conversion and will also be connected with a plurality of loads on the said inverter from the NE BY ENERGY TRANSFER in the dc bus to electrical network, inverter carries out energy output through power conversion to load.
2. photovoltaic energy storage device according to claim 1 is characterized in that: it also comprises a power supply supervision unit, and this power supply supervision unit is connected with dc bus to monitor this photovoltaic energy storage device.
3. photovoltaic energy storage device according to claim 1 is characterized in that: it also comprises an intelligent measuring apparatus, and this intelligent measuring apparatus is connected with dc bus to monitor this photovoltaic energy storage device.
4. photovoltaic energy storage device according to claim 1 is characterized in that: it also comprises a compress cell, is used for the photovoltaic that does not reach normal voltage of photovoltaic cells output can be promoted to normal voltage.
5. photovoltaic energy storage device according to claim 1 is characterized in that: photovoltaic cells through dc bus when load is exported to battery charge.
6. photovoltaic energy storage device according to claim 1 is characterized in that: in the peak of power consumption stage, electrical network does not provide load energy, is exported to load by battery.
7. photovoltaic energy storage device according to claim 1 is characterized in that: in the electricity consumption ebb stage, electrical network when load is exported to battery charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204587736U CN202364159U (en) | 2011-11-18 | 2011-11-18 | Photovoltaic energy storing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204587736U CN202364159U (en) | 2011-11-18 | 2011-11-18 | Photovoltaic energy storing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202364159U true CN202364159U (en) | 2012-08-01 |
Family
ID=46575313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204587736U Expired - Lifetime CN202364159U (en) | 2011-11-18 | 2011-11-18 | Photovoltaic energy storing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202364159U (en) |
-
2011
- 2011-11-18 CN CN2011204587736U patent/CN202364159U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215011 Suzhou Xiangyang Road, Jiangsu, No. 9, building 198 Patentee after: Jiangsu Zeversolar New Energy Co.,Ltd. Address before: 215011 Suzhou Xiangyang Road, Jiangsu, No. 9, building 198 Patentee before: JIANGSU EVER-SOLAR NEW ENERGY Co.,Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ZOF NEW ENERGY CO., LTD. Effective date: 20140226 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215011 Suzhou Xiangyang Road, Jiangsu, No. 9, building 198 Patentee after: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. Address before: 215011 Suzhou Xiangyang Road, Jiangsu, No. 9, building 198 Patentee before: Jiangsu Zeversolar New Energy Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140226 Address after: 215011 Suzhou Xiangyang Road, Jiangsu, No. 9, building 198 Patentee after: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. Patentee after: JIANGSU ZOF NEW ENERGY Co.,Ltd. Address before: 215011 Suzhou Xiangyang Road, Jiangsu, No. 9, building 198 Patentee before: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| ASS | Succession or assignment of patent right |
Owner name: SMA NEW ENERGY TECHNOLOGY (SHANGHAI) AG Free format text: FORMER OWNER: JIANGSU ZEVERSOLAR NEW ENERGY CO., LTD. Effective date: 20150421 Free format text: FORMER OWNER: JIANGSU ZOF NEW ENERGY CO., LTD. Effective date: 20150421 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215011 SUZHOU, JIANGSU PROVINCE TO: 200120 PUDONG NEW AREA, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150421 Address after: 200120, 7, 701, 707B building, Zhongjian building, No. 1568 Century Avenue, Shanghai, Pudong New Area Patentee after: SMA NEW ENERGY TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: 215011 Suzhou Xiangyang Road, Jiangsu, No. 9, building 198 Patentee before: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. Patentee before: JIANGSU ZOF NEW ENERGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Units 701 and 707B on the 7th floor of Zhongjian Building, 1568 Century Avenue, Pudong New Area, Shanghai, 200120 Patentee after: ESWEI NEW ENERGY TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: Units 701 and 707B on the 7th floor of Zhongjian Building, 1568 Century Avenue, Pudong New Area, Shanghai, 200120 Patentee before: SMA NEW ENERGY TECHNOLOGY (SHANGHAI) CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |