CN203399052U - Intelligent photovoltaic micro-grid distributed power generation system - Google Patents
Intelligent photovoltaic micro-grid distributed power generation system Download PDFInfo
- Publication number
- CN203399052U CN203399052U CN201320409953.4U CN201320409953U CN203399052U CN 203399052 U CN203399052 U CN 203399052U CN 201320409953 U CN201320409953 U CN 201320409953U CN 203399052 U CN203399052 U CN 203399052U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- module
- contact
- sky
- charging
- 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 - Fee Related
Links
Images
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an intelligent photovoltaic micro-grid distributed power generation system which comprises photovoltaic assembly and a micro-grid current transformer, which are mutually connected, wherein the micro-grid current transformer comprises a first DC / DC module, a second DC / DC module, a charging and discharging capacitor, a third DC / DC module, a DC / AC module and a first contact, which are sequentially connected, and a second contact and a first air switch connected with the first contact. The system further comprises a lithium battery charging and discharging device connected with the charging and discharging capacitor, a lithium battery set connected with the lithium battery charging and discharging device, a main breaker and a third air switch connected with the second contact, and a second air switch connected with the first air switch, wherein the second air switch is connected with a first external load, the third air switch is connected with second external load, and the main breaker is connected with a public electrical network. The system can charge the lithium battery set, power the loads and connect a public electrical network, and is simple in structure and convenient for use.
Description
Technical field
The utility model relates to photovoltaic technology field, and more particularly, the utility model relates to a kind of photovoltaic intelligent microgrid distributed generation system.
Background technology
Solar energy is inexhaustible, the nexhaustible energy.For promoting the development of low-carbon economy, the solar energy that the photovoltaic generation of take is master utilizes rapid rising.Photovoltaic generation unit is a kind of special generating equipment, from the angle of environmental protection and renewable energy utilization, considers, the scale that expands photovoltaic generation is very necessary.Wherein in photovoltaic generation, main equipment be photovoltaic DC-to-AC converter (current transformer).And how to use photovoltaic DC-to-AC converter to carry out that photovoltaic generation energy storage, load are used and grid-connected be the problem that prior art need to solve.
Utility model content
The purpose of this utility model is can not effectively to control energy storage for existing in prior art, load is used and grid-connected technical problem, and a kind of photovoltaic intelligent microgrid distributed generation system is provided.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of photovoltaic intelligent microgrid distributed generation system, comprise interconnective photovoltaic module and microgrid current transformer, described microgrid current transformer comprises a DC/DC module, the 2nd DC/DC module, charge and discharge capacitance, the 3rd DC/DC module, DC/AC module and the first contact connecting successively, and the second contact and the first sky that are connected with the first contact are opened; This system also comprises the charging and discharging lithium battery equipment that is connected in charge and discharge capacitance two ends, and with the lithium battery group of charging and discharging lithium battery equipment connection, the main circuit breaker being connected with the second contact and the 3rd sky are opened, and open the second sky being connected open with the first sky; Described the second sky is opened and is connected the first outside load, and described the 3rd sky is opened and connected the second outside load, and described main circuit breaker connects public electric wire net.
Preferably, also comprise the lithium battery management system with described charging and discharging lithium battery equipment connection.
Preferably, also comprise the Power Quality Detection unit being connected with the connecting line of main circuit breaker with described the second contact.
Compared with prior art, the utility model has the advantage of: photovoltaic intelligent microgrid distributed generation system of the present utility model can be realized the charging to lithium battery group, powering load and being connected with public electric wire net, and be simple in structure and convenient in use.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the frame diagram of photovoltaic intelligent microgrid distributed generation system of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Consult shown in Fig. 1, a kind of photovoltaic intelligent microgrid distributed generation system providing for the present embodiment, comprise interconnective photovoltaic module and microgrid current transformer, described microgrid current transformer comprises a DC/DC module, the 2nd DC/DC module, charge and discharge capacitance, the 3rd DC/DC module, DC/AC module and the first contact connecting successively, and the second contact and the first sky that are connected with the first contact are opened; This system also comprises the charging and discharging lithium battery equipment that is connected in charge and discharge capacitance two ends, and with the lithium battery group of charging and discharging lithium battery equipment connection, the main circuit breaker being connected with the second contact and the 3rd sky are opened, and open the second sky being connected open with the first sky; Described the second sky is opened and is connected the first outside load, and described the 3rd sky is opened and connected the second outside load, and described main circuit breaker connects public electric wire net.Wherein, a DC/DC module, the 2nd DC/DC module, charge and discharge capacitance, the 3rd DC/DC module, DC/AC module are not the main design contents of the utility model, and its design can be consistent with scheme of the prior art with scheme.
The utility model also can comprise the lithium battery management system with charging and discharging lithium battery equipment connection, can control charging and discharging lithium battery equipment lithium battery group is discharged and recharged.
The utility model also can comprise the Power Quality Detection unit being connected with the connecting line of main circuit breaker with the second contact, and it is mainly to detect the grid-connected quality of power supply.
In use, by lithium battery management system, controlling charging and discharging lithium battery equipment (Ke buys on market) discharges and recharges lithium battery group; General, the first outside load is some important loads, and the second outside load can be general load.
Although described by reference to the accompanying drawings execution mode of the present utility model; but the patent owner can make various distortion or modification within the scope of the appended claims; as long as be no more than the described protection range of claim of the present utility model, all should be within protection range of the present utility model.
Claims (3)
1. a photovoltaic intelligent microgrid distributed generation system, comprise interconnective photovoltaic module and microgrid current transformer, it is characterized in that: described microgrid current transformer comprises a DC/DC module, the 2nd DC/DC module, charge and discharge capacitance, the 3rd DC/DC module, DC/AC module and the first contact connecting successively, and the second contact and the first sky that are connected with the first contact are opened; This system also comprises the charging and discharging lithium battery equipment that is connected in charge and discharge capacitance two ends, and with the lithium battery group of charging and discharging lithium battery equipment connection, the main circuit breaker being connected with the second contact and the 3rd sky are opened, and open the second sky being connected open with the first sky; Described the second sky is opened and is connected the first outside load, and described the 3rd sky is opened and connected the second outside load, and described main circuit breaker connects public electric wire net.
2. photovoltaic intelligent microgrid distributed generation system according to claim 1, is characterized in that: also comprise the lithium battery management system with described charging and discharging lithium battery equipment connection.
3. photovoltaic intelligent microgrid distributed generation system according to claim 1, is characterized in that: also comprise the Power Quality Detection unit being connected with the connecting line of main circuit breaker with described the second contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409953.4U CN203399052U (en) | 2013-07-10 | 2013-07-10 | Intelligent photovoltaic micro-grid distributed power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409953.4U CN203399052U (en) | 2013-07-10 | 2013-07-10 | Intelligent photovoltaic micro-grid distributed power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203399052U true CN203399052U (en) | 2014-01-15 |
Family
ID=49910549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320409953.4U Expired - Fee Related CN203399052U (en) | 2013-07-10 | 2013-07-10 | Intelligent photovoltaic micro-grid distributed power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203399052U (en) |
-
2013
- 2013-07-10 CN CN201320409953.4U patent/CN203399052U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202712876U (en) | Solar photovoltaic microgrid grid-connected power generation system | |
| CN104242790A (en) | Wind-solar hybrid power generation system | |
| CN103812140A (en) | Wind energy, solar energy and commercial power complementary electric vehicle charging system | |
| CN204205617U (en) | A kind of power conversion is generated electricity by way of merging two or more grid systems electric power system | |
| CN203491708U (en) | AC-DC intelligent allocating energy-storage current commutation apparatus | |
| CN202931016U (en) | Hybrid power supply inversion power supply | |
| CN205070576U (en) | Hybrid -type circuit topology structure | |
| CN202121531U (en) | Solar energy photovoltaic power supply system | |
| CN203057015U (en) | Photovoltaic inverter system | |
| CN202978320U (en) | Wind energy, solar energy and commercial power complementary electric vehicle charging station | |
| CN103840548A (en) | Transformer substation system with microgrid system | |
| CN203399052U (en) | Intelligent photovoltaic micro-grid distributed power generation system | |
| CN203813510U (en) | Transformer substation system with microgrid system | |
| CN103855734A (en) | Solar-energy independent power-supply system | |
| CN203774835U (en) | Household-type micro grid system | |
| CN203674776U (en) | Novel solar energy lithium battery uninterrupted power source | |
| CN202872388U (en) | Wind energy and solar energy complementary off-grid inverter | |
| CN203219201U (en) | Bidirectional electrical energy converter used for intelligent power grid | |
| CN203103991U (en) | Mobile solar civil wireless small household appliance system | |
| CN202651815U (en) | Multiple-backup solar power supply system | |
| CN203398800U (en) | Energy storing device for clean energy | |
| CN202997620U (en) | High efficiency low consumption field emergency solar energy power supply management system | |
| CN207896720U (en) | Collecting device photovoltaic emergency electric system | |
| CN201774309U (en) | Emergency power supply with photovoltaic grid feed function | |
| CN103414382A (en) | Solar charging device |
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: 510000 No. 17 Xiangshan Road, Science Town, Guangzhou hi tech Industrial Development Zone, Guangdong, China Patentee after: GUANGZHOU SANJING ELECTRIC CO., LTD. Address before: 510000 No. 17 Xiangshan Road, Science Town, Guangzhou hi tech Industrial Development Zone, Guangdong, China Patentee before: Guangzhou Sanjing Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20190710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |