CN211127720U - Safe type photovoltaic power plant - Google Patents
Safe type photovoltaic power plant Download PDFInfo
- Publication number
- CN211127720U CN211127720U CN201921820093.7U CN201921820093U CN211127720U CN 211127720 U CN211127720 U CN 211127720U CN 201921820093 U CN201921820093 U CN 201921820093U CN 211127720 U CN211127720 U CN 211127720U
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- China
- Prior art keywords
- distribution cabinet
- photovoltaic
- inverter system
- detector
- network communication
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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 safe type photovoltaic power plant, photovoltaic module including the array, inverter system and AC distribution cabinet, photovoltaic module is connected with AC distribution cabinet through the dc-to-ac converter in the inverter system, AC distribution cabinet one end is connected with medium voltage electric wire netting and high voltage electric wire netting respectively through the transformer, AC distribution cabinet one end is kept away from transformer one side and is connected with the low voltage electric wire netting, the inverter system output other end is connected with monitor terminal through data collection station, inverter system includes the detector that is connected with photovoltaic module, the detector is used for photovoltaic module's voltage current detection, the detector output end is connected with the ammeter respectively, flow box and meteorological station converge, the ammeter, flow box and meteorological station one end all are connected with network communication module, network communication module input is equipped with. Has the advantages that: the utility model discloses can in time detect the power station and realize effectual data transmission, the security performance is high to circuit system.
Description
Technical Field
The utility model relates to a photovoltaic power plant technical field, concretely relates to safe type photovoltaic power plant.
Background
The photovoltaic power station is a power generation system which is formed by using solar energy and electronic elements made of special materials such as a crystalline silicon plate, an inverter and the like, and is connected with a power grid and transmits power to the power grid. Photovoltaic power stations can be divided into independent power generation systems with storage batteries and grid-connected power generation systems without storage batteries. Solar power generation is classified into photo-thermal power generation and photovoltaic power generation. The solar energy and electric energy entering into commercialization at present mean solar photovoltaic generation.
Photovoltaic power plant belongs to the biggest green electric power development energy project of national encouragement dynamics at present, and photovoltaic power plant is generally through realizing the transmission that high pressure, middling pressure and low pressure carry out the different needs of electric power in switch board rethread vary voltage station, and the early warning that carries on that current device can not be timely detects, generally is that the power station carries out maintenance processing again when relevant circuit problem appears, also can not obtain better detection to the environment around the power station simultaneously, has the potential safety hazard, has reduced the security of device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can in time detect the power station, the monitoring effect good, can realize effectual data transmission's safe type photovoltaic power plant to circuit system, realize through following scheme.
In order to realize the above purpose, the utility model discloses a technical scheme be: a safe photovoltaic power station is characterized by comprising photovoltaic components, an inverter system and an alternating current power distribution cabinet which are arrayed, wherein the photovoltaic components are connected with an alternating current power distribution cabinet through an inverter in the inverter system, one end of the alternating current power distribution cabinet is respectively connected with a medium-voltage power grid and a high-voltage power grid through a transformer, one end of the alternating current power distribution cabinet, which is far away from one side of the transformer, is connected with a low-voltage power grid, the other end of the output end of the inverter system is connected with a monitoring terminal through a data collector, the inverter system comprises a detector connected with the photovoltaic components, the detector is used for detecting the voltage and the current of the photovoltaic components, the output end of the detector is respectively connected with an electric meter, a combiner box and a meteorological station, one ends of the electric meter, the combiner box and, the output end of the network communication module is connected with a monitoring terminal, and the camera device and the monitoring terminal are in data transmission in the modes of GPRS, Ethernet and WIFI.
Furthermore, a protection device comprising a relay is arranged between the alternating current power distribution cabinet and the power grid.
Furthermore, the monitoring terminal is provided with a display control screen connected with the camera device.
Further, the model of the data collector is EB6WR00E 110001.
Further, the network communication module comprises a database connected with the monitoring terminal.
The technical effects of the utility model reside in that: the inverter firstly converts direct current electric energy (batteries and storage batteries) into fixed-frequency fixed-voltage or frequency-modulation voltage-regulation alternating current, then distributes the electric power under the action of a booster through an alternating current power distribution cabinet to carry out boosting operation on the electric power, and an ammeter of the inverter system carries out current and voltage measurement and a junction device of a junction box, wherein the junction device ensures the orderly connection and junction functions of photovoltaic modules. The device can ensure that the photovoltaic system is easily cut off the circuit when maintaining, checking, reduces the scope that has a power failure when photovoltaic system breaks down, and the weather station is the real-time environmental aspect around observing the photovoltaic power plant to through network communication module with the timely reaction of data to monitor terminal on, such photovoltaic power plant has improved performance greatly, can in time detect the power station and realize effectual data transmission to circuit system.
Drawings
Fig. 1 is a schematic connection diagram of the safety photovoltaic power station of the present invention;
fig. 2 is a schematic diagram of the inverter system of the present invention.
Reference numerals: 1-a photovoltaic module; 2-an inverter system; 3-an alternating current power distribution cabinet; 4-a transformer; 5-a data collector; 6, monitoring the terminal; 7-a detector; 8-an ammeter; 9-a combiner box; 10-a weather station; 11-a network communication module; 12-camera means.
Detailed Description
Referring to the attached drawings 1-2, the safe photovoltaic power station comprises an array of photovoltaic modules 1, an inverter system 2 and an AC power distribution cabinet 3, wherein the photovoltaic modules 1 are connected with the AC power distribution cabinet 3 through inverters in the inverter system 2, one end of the AC power distribution cabinet 3 is respectively connected with a medium-voltage power grid and a high-voltage power grid through a transformer 4, the safe photovoltaic power station is characterized in that one end of the AC power distribution cabinet 3, which is far away from the transformer 4, is connected with a low-voltage power grid, the other end of the output of the inverter system 2 is connected with a monitoring terminal 6 through a data collector 5, the inverter system 2 comprises a detector 7 connected with the photovoltaic modules 1, the detector 7 is used for detecting the voltage and the current of the photovoltaic modules 1, the output end of the detector 7 is respectively connected with an ammeter 8, a combiner box 9 and a meteorological station, the input end of the network communication module 11 is provided with a camera device 12 connected with the monitoring terminal 6, the output end of the network communication module 11 is connected with the monitoring terminal 6, and the camera device 12 and the monitoring terminal 6 are in data transmission in a GPRS (general packet radio service), Ethernet and WIFI (wireless fidelity) mode.
The specific embodiment of the scheme is that the photovoltaic power generation system comprises an array of photovoltaic modules 1, an inverter system 2 and an alternating current power distribution cabinet 3, wherein the photovoltaic modules 1 are connected with the alternating current power distribution cabinet 3 through inverters in the inverter system 2, one end of the alternating current power distribution cabinet 3 is respectively connected with a medium-voltage power grid and a high-voltage power grid through a transformer 4, one end of the alternating current power distribution cabinet 3, which is far away from one side of the transformer 4, is connected with a low-voltage power grid, the high-voltage power grid, the medium-voltage power grid and the low-voltage power grid are arranged so as to meet the requirements of different users on the power condition, the other output end of the inverter system 2 is connected with a monitoring terminal 6 through a data collector 5, the inverter system 2 comprises a detector 7 connected with the photovoltaic modules, the output end of the detector 7 is connected with an ammeter 8, a junction box 9 and a meteorological station 10 respectively, a user can connect a certain number of photovoltaic cells with the same specification in series to form a plurality of photovoltaic strings, then the photovoltaic strings are connected in parallel to be connected into the photovoltaic junction box, and after the photovoltaic junction box is internally connected with a junction box, the parallel connection of power grids is realized through circuit components.
Preferably, be equipped with the protection device including the relay between AC power distribution cabinet 3 and the electric wire netting, monitor terminal 6 is equipped with the demonstration screen that is connected with camera device 12, data collection station 5's model is EB6WR00E110001, network communication module 11 includes the database that is connected with monitor terminal 6, and the database that network communication module 11 is connected can compare the information of transmission, the effectual monitoring in advance that realizes the power station.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a safe type photovoltaic power plant, photovoltaic module (1), inverter system (2) and AC distribution cabinet (3) including the array, photovoltaic module (1) is connected with AC distribution cabinet (3) through the inverter among inverter system (2), AC distribution cabinet (3) one end is connected with medium voltage electric wire netting and high voltage electric wire netting respectively through transformer (4), a serial communication port, AC distribution cabinet (3) one end is kept away from transformer (4) one side is connected with the low voltage electric wire netting, inverter system (2) output other end is connected with monitor terminal (6) through data collection station (5), inverter system (2) include detector (7) that are connected with photovoltaic module (1), detector (7) are used for the voltage and current detection of photovoltaic module (1), detector (7) output is connected with ammeter (8) respectively, Flow box (9) and meteorological station (10) converge, ammeter (8), flow box (9) and meteorological station (10) one end all are connected with network communication module (11) converge, network communication module (11) input is equipped with camera device (12) that are connected with monitor terminal (6), network communication module (11) output is connected with monitor terminal (6), camera device (12) with data transmission is carried out through GPRS, ethernet and WIFI's mode between monitor terminal (6).
2. Safety photovoltaic plant according to claim 1, characterized in that between said ac distribution cabinet (3) and the grid there are protection means comprising relays.
3. Safety photovoltaic plant according to claim 1, characterised in that said monitoring terminal (6) is provided with a display and control screen connected to a camera device (12).
4. Safety photovoltaic plant according to claim 1, characterized in that said data collector (5) is of the type EB6WR00E 110001.
5. Safety photovoltaic plant according to claim 1, characterized in that said network communication module (11) comprises a database connected to the monitoring terminal (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820093.7U CN211127720U (en) | 2019-10-28 | 2019-10-28 | Safe type photovoltaic power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820093.7U CN211127720U (en) | 2019-10-28 | 2019-10-28 | Safe type photovoltaic power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211127720U true CN211127720U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921820093.7U Active CN211127720U (en) | 2019-10-28 | 2019-10-28 | Safe type photovoltaic power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211127720U (en) |
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2019
- 2019-10-28 CN CN201921820093.7U patent/CN211127720U/en active Active
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