CN202405803U - Grid-connected photovoltaic power generation system - Google Patents
Grid-connected photovoltaic power generation system Download PDFInfo
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- CN202405803U CN202405803U CN2012200126896U CN201220012689U CN202405803U CN 202405803 U CN202405803 U CN 202405803U CN 2012200126896 U CN2012200126896 U CN 2012200126896U CN 201220012689 U CN201220012689 U CN 201220012689U CN 202405803 U CN202405803 U CN 202405803U
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- generation system
- photovoltaic power
- photovoltaic
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- 238000010248 power generation Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000012806 monitoring device Methods 0.000 claims abstract 4
- 210000003850 cellular structure Anatomy 0.000 claims abstract 3
- 239000011521 glass Substances 0.000 claims description 7
- 210000004027 cell Anatomy 0.000 claims 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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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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- Photovoltaic Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
本实用新型提供了一种并网光伏发电系统，包括依次相连的太阳能光伏电池组件、直流汇流箱、并网逆变器和交流控制柜，所述交流控制柜与配电系统相连；其特征在于，所述并网光伏发电系统还包括一监控装置，所述监控装置用于测量、显示和存储太阳能光伏电池组件、直流汇流箱、并网逆变器和交流控制柜的光伏运行数据。本实用新型所述的并网光伏发电系统实现了对并网光伏发电系统中各设备运行情况的实时监控，为充分合理的利用可再生能源提供了前提；同时本实用新型还设置有蓄电池组储能系统，用于对重要设备供电，达到了灵活接入交流用户侧并网的目的。
The utility model provides a grid-connected photovoltaic power generation system, which includes sequentially connected solar photovoltaic cell components, a DC combiner box, a grid-connected inverter and an AC control cabinet, and the AC control cabinet is connected with a power distribution system; it is characterized in that , the grid-connected photovoltaic power generation system further includes a monitoring device for measuring, displaying and storing photovoltaic operation data of solar photovoltaic cell components, DC combiner boxes, grid-connected inverters and AC control cabinets. The grid-connected photovoltaic power generation system described in the utility model realizes the real-time monitoring of the operation status of each equipment in the grid-connected photovoltaic power generation system, which provides a prerequisite for fully and reasonably utilizing renewable energy; at the same time, the utility model is also equipped with a storage battery The system is used to supply power to important equipment, achieving the purpose of flexible access to the AC user side and grid connection.
Description
Technical field
The utility model belongs to the power technology field, is specifically related to a kind of grid-connected photovoltaic power generation system.
Background technology
In short supply along with conventional energy resource, the utilization of solar energy obtains paying attention to gradually, and it is considered to new energy technology the most promising in the world today.Existing photovoltaic generating system mainly is made up of equipment such as solar photovoltaic battery component, direct current header box, inverters, and it can convert solar energy into electric energy, directly supplies with the user; Also can be connected, form grid-connected photovoltaic power generation system with electrical network.But existing grid-connected photovoltaic power generation system often lacks the real-time and effective monitoring means, causes electric quantity data to be difficult to accurate metering, can't assess problems such as its utilization ratio.
Summary of the invention
The utility model is to the deficiency of above-mentioned prior art, and a kind of grid-connected photovoltaic power generation system that can real-time monitoring equipment ruuning situation is provided.
The utility model is realized through following technical scheme:
A kind of grid-connected photovoltaic power generation system comprises the solar photovoltaic battery component, direct current header box and the combining inverter that link to each other successively, and said combining inverter links to each other with distribution system;
It is characterized in that said grid-connected photovoltaic power generation system also comprises a supervising device, said supervising device is used to measure, show and store the photovoltaic service data of solar photovoltaic battery component, direct current header box and combining inverter.
Further, said direct current header box all links to each other with a batteries through a charge and discharge device with said combining inverter.
Further, said solar photovoltaic battery component is the double-sided glass photovoltaic module, and said double-sided glass photovoltaic module is installed in the roof of building.
Further, said grid-connected photovoltaic power generation system also comprises the protective device that is incorporated into the power networks.
Further; Said supervising device comprises data acquisition unit, industrial computer, display screen; Said data acquisition unit is respectively with solar photovoltaic battery component, direct current header box, combining inverter with exchange control cubicle and link to each other through wired or wireless mode, and collection result is delivered to industrial computer; Said industrial computer shows collection result through display screen.
Further, said supervising device links to each other through wired or wireless mode with a remote monitoring platform.
The photovoltaic service data of solar photovoltaic battery component, direct current header box and combining inverter is measured, shows and stored to the described grid-connected photovoltaic power generation system of the utility model through increasing by a supervising device; Realized real-time monitoring, for abundant reasonable use regenerative resource provides prerequisite to each equipment operation situation in the grid-connected photovoltaic power generation system; The utility model also is provided with the batteries energy-storage system simultaneously, is used for important power devices, has reached the purpose that flexible incoming transport user side is incorporated into the power networks.
Description of drawings
Fig. 1 is the composition frame chart of the described grid-connected photovoltaic power generation system of the utility model;
Fig. 2 is the composition frame chart of a preferred embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
As shown in Figure 1, the utility model provides a kind of grid-connected photovoltaic power generation system, comprises the solar photovoltaic battery component, direct current header box and the combining inverter that link to each other successively, and a supervising device.Solar photovoltaic battery component adopts series-parallel system, access grid-connected inverter after confluxing through the direct current header box, and the combining inverter output exchanges control cubicle through one and is incorporated into the power networks to distribution system, i.e. the 400V low pressure I section bus of building power distribution station.Said supervising device is used to measure, show and store the photovoltaic service data of solar photovoltaic battery component, direct current header box and combining inverter.Wherein the photovoltaic service data comprises the voltage and current of direct current header box (photovoltaic group string) and combining inverter, voltage and current, combining inverter ac output voltage and electric current, power, power factor and the frequency etc. of direct current header box DC side, and the fault alarm information of each equipment and environmental parameter (like irradiance, ambient temperature etc.) etc.Monitoring module also can be analyzed according to the real time data that each equipment collects automatically, as occurs out-of-limit or fault, and graduation is reported to the police; Automatic disconnection high and low voltage switch cabinet when serious; Electrical network and equipment are protected, made things convenient for the user in time to find and trouble shooting, realize real unattended operation.
Said supervising device comprises data acquisition unit, industrial computer, display screen; Said data acquisition unit is respectively with solar photovoltaic battery component, direct current header box, combining inverter with exchange control cubicle and link to each other through wired or wireless mode, and collection result is delivered to industrial computer; Said collection result promptly refers to the photovoltaic service data of each equipment.Said industrial computer shows collection result through display screen.
Said supervising device can also link to each other through wired or wireless mode with a remote monitoring platform, is convenient to administrative staff and carries out remote monitoring.
As shown in Figure 2, the described grid-connected photovoltaic power generation system of the utility model also comprises a batteries, and said direct current header box all links to each other with a batteries through a charge and discharge device with said combining inverter.Batteries can be used for important power devices, and stores unnecessary electric energy.
The utility model has adopted building integrated photovoltaic (BIPV) technology; Do not change building established estate roof construction; Utilize the building iron shelf structure on roof; The installation fulcrum of solar photovoltaic battery component rationally is set, and adopts solar photovoltaic battery component and the paving mode that daylighting glass combines, reach the effect of beautifying building.Solar photovoltaic battery component in the utility model is the double-sided glass photovoltaic module; Said double-sided glass photovoltaic module is installed in the roof of building, on the sunshade supporting steel frame, and towards the due south; And inclination angle 6 is spent between ground, can strengthen the function of use on roof like this.Simultaneously for Anti-Typhoon, antidetonation and lightning protection etc., solar photovoltaic battery component also links to each other with Anti-Typhoon equipment, shock-resistant arrangement and thunder resisting equipment respectively.
The described grid-connected photovoltaic power generation system of the utility model also comprises the protective device that is incorporated into the power networks; The protective device that is incorporated into the power networks takes place when unusual at photovoltaic system in order to guaranteeing; Photovoltaic system does not produce bigger harmful effect to electrical network; Can also guarantee when electrical network breaks down simultaneously that electrical network does not produce photovoltaic system and damages.The protective device that is incorporated into the power networks that can adopt in the utility model has undervoltage protection, overvoltage protection and underfrequency protection etc.Being incorporated into the power networks protective device can be at photovoltaic system and grid generation during unusual or fault, and assurance equipment and personal safety prevent the accident expanded range.
The utility model not only is confined to above-mentioned embodiment; Persons skilled in the art are according to the disclosed content of the utility model; Can adopt other multiple embodiment to implement the utility model, therefore, project organization of every employing the utility model and thinking; Do some simple designs that change or change, all fall into the scope of the utility model protection.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200126896U CN202405803U (en) | 2012-01-12 | 2012-01-12 | Grid-connected photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200126896U CN202405803U (en) | 2012-01-12 | 2012-01-12 | Grid-connected photovoltaic power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202405803U true CN202405803U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200126896U Expired - Lifetime CN202405803U (en) | 2012-01-12 | 2012-01-12 | Grid-connected photovoltaic power generation system |
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| Country | Link |
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| CN (1) | CN202405803U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202644A (en) * | 2017-06-03 | 2017-09-26 | 国网山东省电力公司栖霞市供电公司 | A kind of intelligent photovoltaic electricity generation system protector |
| CN114257173A (en) * | 2021-12-24 | 2022-03-29 | 深圳供电局有限公司 | A roof photovoltaic monitoring system |
-
2012
- 2012-01-12 CN CN2012200126896U patent/CN202405803U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202644A (en) * | 2017-06-03 | 2017-09-26 | 国网山东省电力公司栖霞市供电公司 | A kind of intelligent photovoltaic electricity generation system protector |
| CN114257173A (en) * | 2021-12-24 | 2022-03-29 | 深圳供电局有限公司 | A roof photovoltaic monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |
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| CX01 | Expiry of patent term |