CN204497750U - The energy output optimization system of photovoltaic plant - Google Patents
The energy output optimization system of photovoltaic plant Download PDFInfo
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- CN204497750U CN204497750U CN201520238718.4U CN201520238718U CN204497750U CN 204497750 U CN204497750 U CN 204497750U CN 201520238718 U CN201520238718 U CN 201520238718U CN 204497750 U CN204497750 U CN 204497750U
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- battery panel
- photovoltaic battery
- photovoltaic
- transformer
- branch road
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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
Abstract
The utility model relates to a kind of energy output optimization system of photovoltaic plant, belongs to technical field of photovoltaic power generation.Solve the subject matter that current photovoltaic plant electric energy conversion rate is low.The utility model comprises photovoltaic battery panel, transformer and electrical network, photovoltaic battery panel and transformer connect into a branch road, branch road is at least provided with one, transformer in all branch roads together accesses electrical network, also automatic cleaning device is comprised in every bar branch road, cell panel exception handling device, electric energy optimizing case, inverter control unit and software administration platform, automatic cleaning device is arranged on the surface of photovoltaic battery panel, cell panel exception handling device is connected with the port of photovoltaic battery panel, inverter control unit and electric energy optimizing case are between transformer and photovoltaic battery panel, by transformer, inverter control unit, the order access of electric energy optimizing case and photovoltaic battery panel.The utility model is mainly used in photovoltaic plant.
Description
Technical field
The utility model relates to a kind of energy output optimization system of photovoltaic plant, belongs to technical field of photovoltaic power generation.
Background technology
Existing photovoltaic plant is the opto-electronic conversion using solar energy photovoltaic panel, being converted to by the direct current that solar energy photovoltaic panel exports can direct grid-connected or connect the device of load, the efficiency of converting electrical energy is lower, and the energy of current light only has and changes into AC energy less than 10.47% and export.The energy output of photovoltaic plant has to be hoisted as can be seen here, is therefore badly in need of a kind of novel electricity generation system, improves the energy output of photovoltaic plant.
Utility model content
The purpose of this utility model is the above-mentioned defect overcoming prior art existence, existing photovoltaic power station power generation system is optimized, the energy output optimization system of the photovoltaic plant after optimization have save time, laborsaving, can automatically repair, electric energy conversion rate is high and can the advantage such as automated cleaning.
The energy output optimization system of photovoltaic plant described in the utility model, comprise photovoltaic battery panel, transformer and electrical network, photovoltaic battery panel and transformer connect into a branch road, described branch road is at least provided with one, transformer in all branch roads together accesses electrical network, automatic cleaning device, cell panel exception handling device, electric energy optimizing case, inverter control unit and software administration platform is also comprised in every bar branch road, automatic cleaning device is arranged on the surface of photovoltaic battery panel, and cell panel exception handling device is connected with the port of photovoltaic battery panel; Inverter control unit and electric energy optimizing case, between transformer and photovoltaic battery panel, access by the order of transformer, inverter control unit, electric energy optimizing case and photovoltaic battery panel; Described every bar branch road is a corresponding gateway respectively, and described software administration platform, by the gateway corresponding to every bar branch road, is connected with the inverter control unit in every bar branch road.
The output port of the electric energy optimizing case in described every bar branch road passes through connection together, and correspondence is provided with a gateway, and described software administration platform is connected with described circuit by this gateway.
The utility model also comprises environment detector, and correspondence is provided with a gateway, and described software administration platform is connected with environment detector by this gateway.
Described software administration platform is provided with wireless communication module, and described automatic cleaning device is provided with reception wireless signaling mechanisms, and software administration platform controls automatic cleaning device by wireless communication module.
Described photovoltaic battery panel is provided with booster circuit.
The beneficial effects of the utility model are:
The automatic cleaning device that the utility model is arranged, by the control of software administration platform, can realize automatic cleaning function, without the need to labor intensive; Cell panel exception handling device can make system automatic fault detection and process, and saves time, laborsaving; Software administration platform coordinates with electric energy optimizing case, and can process the problem of generating imbalance and low-voltage loss between photovoltaic battery panel, in photovoltaic battery panel, the setting of booster circuit also can solve the problem of energy loss, has saved electric energy greatly; Software administration platform coordinates with inverter control unit, then efficiently solve when illumination is of poor quality, and inverter can not full load run, and causes the problem of energy loss.The utility model greatly improves the energy output of photovoltaic plant.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model various piece annexation.
In figure: 1, electrical network 2, gateway 3, transformer 4, inverter control unit 5, electric energy optimizing case 6, cell panel exception handling device 7, photovoltaic battery panel 8, automatic cleaning device 9, environment detector 10, software administration platform.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the energy output optimization system of photovoltaic plant described in the utility model, comprise photovoltaic battery panel 7, transformer 3 and electrical network 1, photovoltaic battery panel 7 and transformer 3 connect into a branch road, described branch road is at least provided with one, transformer in all branch roads together accesses electrical network 1, also comprise automatic cleaning device 8, cell panel exception handling device 6, electric energy optimizing case 5, inverter control unit 4 and software administration platform 10, automatic cleaning device 8 is arranged on the surface of photovoltaic battery panel 7, and cell panel exception handling device 6 is connected with the port of photovoltaic battery panel 7; Inverter control unit 4 and electric energy optimizing case 5, between transformer 3 and photovoltaic battery panel 7, access by the order of transformer 3, inverter control unit 4, electric energy optimizing case 5 and photovoltaic battery panel 7; Every bar branch road is a corresponding gateway 2 respectively, and software administration platform 10, by the gateway 2 corresponding to every bar branch road, is connected with the inverter control unit 4 in every bar branch road; The output port of the electric energy optimizing case 5 in every bar branch road passes through connection together, and correspondence is provided with a gateway 2, and software administration platform 10 is connected with described circuit by this gateway 2.Also comprise environment detector 9, and correspondence is provided with a gateway 2, described software administration platform 10 is connected with environment detector 9 by this gateway 2.Wherein said software administration platform 10 is also provided with wireless communication function, and described automatic cleaning device 8 is provided with the device that can receive wireless signal, and software administration platform 10 controls automatic cleaning device 8 by wireless communication function.Photovoltaic battery panel 7 is also provided with booster circuit.
Its course of work is as follows: photovoltaic battery panel 7 receives solar light irradiation, generation current, after electric energy optimizing case 5, inverter control unit 4 and transformer 3, flows into electrical network 1.When photovoltaic battery panel 7 there being a large amount of dust, its optoelectronic transformation efficiency can be had a strong impact on.At this moment the current light energy datum that feeds back by comparing environment detector 9 of software administration platform 10, with the energy output of actual photovoltaic battery panel 7, calculate photoelectric conversion efficiency, then the surface cleanness degree of photovoltaic battery panel 7 is inferred, according to photovoltaic battery panel 7 surface cleanness degree, software administration platform 10 passes through wireless communication function, start the automatic cleaning device 8 on photovoltaic battery panel 7, clean is carried out to photovoltaic battery panel 7, thus makes photovoltaic battery panel 7 reach maximum photoelectric conversion efficiency.
When there being indivedual photovoltaic battery panel 7 in whole system because the reason such as damage or block, when causing photoelectric conversion efficiency to reduce, the photovoltaic battery panel of whole string can be affected.Cell panel exception handling device 6 is by detecting the state information such as voltage and current, face crack, current light energy of whole group and each photovoltaic battery panel 7, carry out calculating the whether fault of each photovoltaic battery panel 7, if measuring and calculating is fault, then the photovoltaic battery panel 7 of fault is carried out isolation excision, thus ensure that photovoltaic battery panel 7 groups of strings reach maximum photoelectric conversion efficiency.
When generated output is inconsistent each other for each photovoltaic battery panel 7, software administration platform 10 can control to converse between the electric energy optimizing case 5 in multiple branch road, coordinate the action of multiple electric energy optimizing case 5, the problem of generating imbalance and low-voltage loss between process photovoltaic battery panel 7.The available generating voltage scope of inverter control unit 4 is: 450V ~ 950V, and the electric energy for < 450V does not process, and wastes valuable electric energy greatly.Design photovoltaic battery panel booster circuit, when the output voltage of photovoltaic battery panel 7 is less than 450V, photovoltaic battery panel 7 is boosted, its output voltage is made to be greater than 450V, to be less than 1000V, be incorporated in the acceptable operating voltage range of inverter control unit 4, reach and extend the photovoltaic power station power generation time, improve the target of photovoltaic power station power generation efficiency.
When illumination is of poor quality, the utility model is by detecting the generating gross power of photovoltaic battery panel 7, calculate the quantity of the required photovoltaic combining inverter opened, software administration platform 10 just can the startup of control inverter control unit 4 and closedown, energy output is transferred in other inverter control units 4 opened, what make the inverter control unit 4 of all unlatchings is operated in full load condition, reaches the object improving inverter control unit 4 delivery efficiency.
Claims (5)
1. the energy output optimization system of a photovoltaic plant, comprise photovoltaic battery panel (7), transformer (3) and electrical network (1), described photovoltaic battery panel (7) and transformer (3) connect into a branch road, described branch road is at least provided with one, transformer in all branch roads together accesses electrical network (1), it is characterized in that: in every bar branch road, also comprise automatic cleaning device (8), cell panel exception handling device (6), electric energy optimizing case (5), inverter control unit (4) and software administration platform (10), described automatic cleaning device (8) is arranged on the surface of photovoltaic battery panel (7), described cell panel exception handling device (6) is connected with the port of photovoltaic battery panel (7),
Described inverter control unit (4) and electric energy optimizing case (5) are positioned between transformer (3) and photovoltaic battery panel (7), access by the order of transformer (3), inverter control unit (4), electric energy optimizing case (5) and photovoltaic battery panel (7);
Described every bar branch road is a corresponding gateway (2) respectively, and described software administration platform (10), by the gateway (2) corresponding to every bar branch road, is connected with the inverter control unit (4) in every bar branch road.
2. the energy output optimization system of photovoltaic plant according to claim 1, it is characterized in that: the output port of the electric energy optimizing case (5) in described every bar branch road by connection together, and correspondence is provided with a gateway (2), described software administration platform (10) is connected with described circuit by this gateway (2).
3. the energy output optimization system of photovoltaic plant according to claim 1, it is characterized in that: also comprise environment detector (9), and correspondence is provided with a gateway (2), described software administration platform (10) is connected with environment detector (9) by this gateway (2).
4. the energy output optimization system of photovoltaic plant according to claim 1, it is characterized in that: described software administration platform (10) is provided with wireless communication module, described automatic cleaning device (8) is provided with reception wireless signaling mechanisms, and software administration platform (10) controls automatic cleaning device (8) by wireless communication module.
5. the energy output optimization system of photovoltaic plant according to claim 1, is characterized in that: described photovoltaic battery panel (7) is provided with booster circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238718.4U CN204497750U (en) | 2015-04-20 | 2015-04-20 | The energy output optimization system of photovoltaic plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238718.4U CN204497750U (en) | 2015-04-20 | 2015-04-20 | The energy output optimization system of photovoltaic plant |
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| Publication Number | Publication Date |
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| CN204497750U true CN204497750U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520238718.4U Active CN204497750U (en) | 2015-04-20 | 2015-04-20 | The energy output optimization system of photovoltaic plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868494A (en) * | 2015-04-20 | 2015-08-26 | 青岛艾迪森科技有限公司 | System for optimizing power generation capacity of photovoltaic power station |
| CN112768268A (en) * | 2021-01-28 | 2021-05-07 | 桐乡科联新能源有限公司 | Night reactive power suppression control device for string-type inverter of distributed photovoltaic power station |
-
2015
- 2015-04-20 CN CN201520238718.4U patent/CN204497750U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868494A (en) * | 2015-04-20 | 2015-08-26 | 青岛艾迪森科技有限公司 | System for optimizing power generation capacity of photovoltaic power station |
| CN112768268A (en) * | 2021-01-28 | 2021-05-07 | 桐乡科联新能源有限公司 | Night reactive power suppression control device for string-type inverter of distributed photovoltaic power station |
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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: Xi Fu Zhen Fu Jia Bu she Qu Bai Fu Lu, Chengyang District No. 89 266106 Shandong city of Qingdao Province Patentee after: QINGDAO LDC TECHNOLOGY INC. Address before: Xi Fu Zhen Fu Jia Bu she Qu Bai Fu Lu, Chengyang District No. 89 266106 Shandong city of Qingdao Province Patentee before: LDC Technology Inc. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 266600, Qingdao, Shandong City, Laixi City, Jiang Zhen, North Ring Road, Qingdao precision machinery manufacturing small industrial park Patentee after: QINGDAO LDC TECHNOLOGY INC. Address before: Xi Fu Zhen Fu Jia Bu she Qu Bai Fu Lu, Chengyang District No. 89 266106 Shandong city of Qingdao Province Patentee before: QINGDAO LDC TECHNOLOGY INC. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: System for optimizing power generation capacity of photovoltaic power station Effective date of registration: 20200430 Granted publication date: 20150722 Pledgee: Qingdao Changyang financing Company limited by guarantee Pledgor: QINGDAO LDC TECHNOLOGY Co.,Ltd. Registration number: Y2020370010013 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210310 Granted publication date: 20150722 Pledgee: Qingdao Changyang financing Company limited by guarantee Pledgor: QINGDAO LDC TECHNOLOGY Co.,Ltd. Registration number: Y2020370010013 |