CN108540092A - A kind of monitoring system and its monitoring method of photovoltaic DC-to-AC converter - Google Patents
A kind of monitoring system and its monitoring method of photovoltaic DC-to-AC converter Download PDFInfo
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- CN108540092A CN108540092A CN201810449608.0A CN201810449608A CN108540092A CN 108540092 A CN108540092 A CN 108540092A CN 201810449608 A CN201810449608 A CN 201810449608A CN 108540092 A CN108540092 A CN 108540092A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000003491 array Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- H02J13/0003—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
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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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Direct Current Feeding And Distribution (AREA)
Abstract
This application discloses a kind of monitoring system of photovoltaic DC-to-AC converter and its monitoring methods, the monitoring method is applied to monitoring system, monitoring system includes at least one photovoltaic DC-to-AC converter, master controller and GPRS communicators, each photovoltaic DC-to-AC converter connects at least one photovoltaic array, master controller is connected at least one photovoltaic DC-to-AC converter, GPRS communicators are connected with master controller, which obtains the data information of at least one photovoltaic array by controlling photovoltaic DC-to-AC converter first；Then GPRS communicators are initialized；Judge whether GPRS communicators need to issue control instruction；If it is not, then controlling GPRS communicators reads the data information of photovoltaic DC-to-AC converter, and data information is sent to server.By the above-mentioned means, Fast Monitoring photovoltaic DC-to-AC converter can be realized, generated energy is uploaded in time.
Description
Technical field
This application involves intelligent power grid technology field, the monitoring system more particularly to a kind of photovoltaic DC-to-AC converter and its monitoring
Method.
Background technology
With the continuous development of photovoltaic distributed power generation at this stage, country greatly develops clean energy resource, and country is for distribution
Formula power generation is widelyd popularize, and the platform area of lay panel is not of uniform size so that can increasingly increase to inverter demand in the market
Greatly.
However the networking distance between inverter is more and more remoter, the traditional RS485 used in the prior art builds bus
Communication is led to not Fast Monitoring photovoltaic DC-to-AC converter, uploads generated energy in time by multifactor limitations such as linear distance, networking quantity
The problem of.
Invention content
The application is mainly solving the technical problems that provide a kind of monitoring system and its monitoring method of photovoltaic DC-to-AC converter, energy
Enough Fast Monitoring photovoltaic DC-to-AC converters upload generated energy.
In order to solve the above technical problems, the technical solution that the application uses is：A kind of prison of photovoltaic DC-to-AC converter is provided
Prosecutor method, is applied to monitoring system, and the monitoring system includes at least one photovoltaic DC-to-AC converter, master controller and GPRS communications
Device, each photovoltaic DC-to-AC converter connect at least one photovoltaic array, the master controller and at least one photovoltaic inversion
Device connects, and the GPRS communicators are connected with the master controller, and the monitoring method includes controlling the photovoltaic DC-to-AC converter to obtain
Take the data information of at least one photovoltaic array；The GPRS communicators are initialized；Judge the GPRS communications
Whether device needs to issue control instruction；If it is not, the data information that the GPRS communicators read the photovoltaic DC-to-AC converter is then controlled,
And the data information is sent to server.
In order to solve the above technical problems, another technical solution that the application uses is：A kind of photovoltaic DC-to-AC converter is provided
Monitoring system, the monitoring system include at least one photovoltaic DC-to-AC converter, and each photovoltaic DC-to-AC converter connects at least one light
Photovoltaic array, the data information for obtaining at least one photovoltaic array；At least one master controller, the master controller and
At least one photovoltaic DC-to-AC converter connection；At least one GPRS communicators, the GPRS communicators and the master controller connect
It connects, the GPRS communicators initialization, and judges whether to need to issue control instruction；If the GPRS communicators needs issue control
System instruction, then the GPRS communicators read the data information of the photovoltaic DC-to-AC converter, and the data information is sent to clothes
Business device.
In order to solve the above technical problems, another technical solution that the application uses is：A kind of photovoltaic DC-to-AC converter is provided
Monitoring system, the monitoring system include 14 photovoltaic DC-to-AC converters, and each photovoltaic DC-to-AC converter connects a photovoltaic array, uses
In the data information for obtaining the photovoltaic array；One master controller, the master controller and 14 photovoltaic DC-to-AC converters connect
It connects；One GPRS communicator, the GPRS communicators are connected with the master controller, the GPRS communicators initialization, and are sentenced
It is disconnected whether to need to issue control instruction；If the GPRS communicators need to issue control instruction, the GPRS communicators are read
The data information of the photovoltaic DC-to-AC converter, and the data information is sent to server.
The application proposes a kind of monitoring method of photovoltaic DC-to-AC converter, is applied to monitoring system, and monitoring system includes at least one
A photovoltaic DC-to-AC converter, master controller and GPRS communicators, each photovoltaic DC-to-AC converter connect at least one photovoltaic array, master controller
It is connected at least one photovoltaic DC-to-AC converter, GPRS communicators are connected with master controller, and the monitoring method by controlling photovoltaic first
Inverter obtains the data information of at least one photovoltaic array；Then GPRS communicators are initialized；Judge that GPRS is communicated
Whether device needs to issue control instruction；If control instruction need not be issued, controls GPRS communicators and read photovoltaic DC-to-AC converter
Data information, and data information is sent to server, it can realize Fast Monitoring photovoltaic DC-to-AC converter, upload generated energy in time.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow chart of one embodiment of monitoring method of photovoltaic DC-to-AC converter of the application；
Fig. 2 is a kind of structural schematic diagram of one embodiment of monitoring system of photovoltaic DC-to-AC converter of the application.
Specific implementation mode
Face will combine the attached drawing in the embodiment of the present application, and technical solutions in the embodiments of the present application carries out clear, complete
Ground describes.It is understood that specific embodiment described herein is only used for explaining the application, rather than the limit to the application
It is fixed.It also should be noted that illustrating only for ease of description, in attached drawing and the relevant part of the application and not all knot
Structure.Based on the embodiment in the application, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall in the protection scope of this application.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of one embodiment of monitoring method of photovoltaic DC-to-AC converter of the application, the application
Revealed method can specifically include following steps：
S11：Control photovoltaic DC-to-AC converter obtains the data information of at least one photovoltaic array.
Monitoring method disclosed herein is applied in the monitoring system of photovoltaic DC-to-AC converter, which can wrap
At least one photovoltaic DC-to-AC converter 11, master controller 12 and GPRS communicators 13 are included, as shown in Figure 2.Wherein, each photovoltaic DC-to-AC converter
11 at least one photovoltaic arrays 14 of connection, master controller 12 and at least one photovoltaic DC-to-AC converter 11 connect, 13 He of GPRS communicators
Master controller 12 connects, and is described in detail again behind the concrete structure of the monitoring system of photovoltaic DC-to-AC converter 11.
Photovoltaic array (Photovoltaic Array) is to penetrate photogenic voltage by solar cell in practical applications
Solar energy can be converted to direct current energy by effect, but the electric current that one piece of photovoltaic module or photovoltaic panel can generate is not general enough
Residential usage, so several piece photovoltaic module or photovoltaic panel are joined together to form photovoltaic array to generate more electric currents.
Therefore in the present embodiment photovoltaic array either multi-disc photovoltaic module connection, can also be the company of more photovoltaic cells
It connects.
Photovoltaic DC-to-AC converter, inverter are also known as feed regulator isolator, can be classified according to purposes, waveform modulated mode：According to
Purposes of the inverter in photovoltaic generating system can be divided into self power supply use and it is grid-connected with two kinds；Again according to waveform modulated mode
Square-wave inverter, ladder inverter, sinewave inverter and Three-Phase Inverter can be divided into, wherein for being used for simultaneously
The inverter of net system, according to there is transless that can be divided into transformer type inverter and inverter without transformer again, photovoltaic is inverse
Becoming the type of device can not specifically limit.
For example, in the present embodiment, photovoltaic DC-to-AC converter can be MPPT (Maximum Power Point Tracking, most
High-power point tracking) inverter, MPPT inverters can monitor the generating voltage of photovoltaic array in real time, and track ceiling voltage electricity
Flow valuve (VI), makes electricity generation system be effectively stored in the electrical storage device such as accumulator with the electric current of maximum power output, can
Life and the commercial power of the not covered remote districts of normal grid and tourist area are efficiently solved, generation environment is not dirty
Dye.
Data information may include the photovoltaic module or the quantity of photovoltaic panel, the photovoltaic array that effectively works of photovoltaic array
The photovoltaic module or light of the quantity of photovoltaic module or photovoltaic panel, generating dutation, gross generation, each photovoltaic array effectively to work
Lie prostrate the generated energy etc. of plate.
In this step S11, the data information that photovoltaic DC-to-AC converter obtains at least one photovoltaic array is controlled first, wherein
Data information can be the generated energy of at least one photovoltaic array.
S12：GPRS communicators are initialized.
GPRS communicators refer generally to GPRS (General Packet Radio Service), and GPRS is general grouped wireless
The abbreviation of service technology, it is a kind of available mobile data services of gsm mobile telephone user, is belonged in Generation Mobile Telecommunication System
Data transmission technology.GPRS is continuously different in the mode of channel transmission with other, is transmitted with package (Packet) formula, because
The expense that this user is born is calculated with its data transmission unit, its entire channel, the transmission rate of GPRS are not used
56 even 114Kbps can be promoted to, therefore are carried out data transmission in the present embodiment using GPRS communicators, can reached
Economic cost is reduced on the basis of transmission data demand.
In general, when being communicated using GPRS communicators, GPRS communicators is linked into after system and are directly used,
But in the present embodiment, GPRS communicators are initialized.Wherein, GPRS communicators can both carry out before each is used
Initialization can also periodically be initialized such as the time 6 points of every morning, not limited herein.
S13：Judge whether GPRS communicators need to issue control instruction.
After the initialization of GPRS communicators, then judge whether GPRS communicators need to issue control instruction.
Wherein, whether GPRS communicators can be used for receiving control instruction and issue control instruction, and to needing to issue control
It instructs and is judged, and in the present embodiment, then judge whether GPRS communicators need to issue control instruction, that is, judges that GPRS is logical
Whether letter device receives control instruction.After judging that GPRS communicators receive control instruction, if judging, GPRS communicators are not required to
Control instruction is issued, the control instruction can not be also issued.
Photovoltaic array needs the corresponding corresponding photovoltaic DC-to-AC converter of access to carry out inversion power generation, therefore control instruction may include
Instruction of restarting or interface link order, wherein when there are multiple photovoltaic arrays, interface connection control instruction can control
The interface of the whole photovoltaic arrays of photovoltaic DC-to-AC converter connection or part photovoltaic array, instruction of restarting may include that photovoltaic DC-to-AC converter is restarted
Instruction.
If judging, GPRS communicators need not issue control instruction, execute following step S14；If judging, GPRS is logical
Letter device needs to issue control instruction, then executes following step S15.
S14：It controls GPRS communicators and reads the data information of photovoltaic DC-to-AC converter, and data information is sent to server.
When judging that GPRS communicators need not issue control instruction in above-mentioned steps S13, controlled in this step S14
GPRS communicators read the data information of photovoltaic DC-to-AC converter.Wherein, the data information of photovoltaic DC-to-AC converter may include at least one
The generated energy of photovoltaic array, i.e. GPRS communicators obtain the generated energy of at least one photovoltaic array by photovoltaic DC-to-AC converter.Control
After GPRS communicators read the data information of photovoltaic DC-to-AC converter, data information is sent to server, to realize quick obtaining
And generated energy is uploaded, when user wants to obtain the data informations such as generated energy, you can from such as other-ends such as backstage from server
On get the data informations such as generated energy.
In the present embodiment, server can connect at least one GPRS communicators, therefore user can be from such as backstage
Equal other-ends from obtained on server at least one photovoltaic DC-to-AC converter at least one GPRS communicators connect it is at least one
There is multichannel light when GPRS communicators, photovoltaic DC-to-AC converter and photovoltaic array have multiple in the data information of photovoltaic array
Photovoltaic array system, user can obtain the data information of any photovoltaic array from such as other-ends such as backstage from server.
S15：It controls GPRS communicators and receives control instruction from server, and control instruction is handed down to master controller.
Judge that GPRS communicators need to issue control instruction in above-mentioned steps S13, then execute this step S15, controls
GPRS communicators receive control instruction from server, and control instruction is handed down to master controller.Specifically, judging
GPRS communicators need after issuing control instruction, and user can issue control to server from such as other-ends such as backstage and refer to
It enables, then controls GPRS communicators and receive the control instruction from server, and the control instruction is handed down to master controller, by total
Control instruction is handed down to the execution terminal such as photovoltaic DC-to-AC converter by controller.
The application proposes a kind of monitoring method of photovoltaic DC-to-AC converter, is applied to monitoring system, and monitoring system includes at least one
A photovoltaic DC-to-AC converter, master controller and GPRS communicators, each photovoltaic DC-to-AC converter connect at least one photovoltaic array, master controller
It is connected at least one photovoltaic DC-to-AC converter, GPRS communicators are connected with master controller, and the monitoring method by controlling photovoltaic first
Inverter obtains the data information of at least one photovoltaic array, is then initialized to GPRS communicators, judges that GPRS is communicated
Whether device needs to issue control instruction, if control instruction need not be issued, controls GPRS communicators and reads photovoltaic DC-to-AC converter
Data information, and data information is sent to server, it can realize Fast Monitoring photovoltaic DC-to-AC converter, upload generated energy in time.
The monitoring method disclosed in corresponding above-described embodiment, the application propose a kind of monitoring system of photovoltaic DC-to-AC converter,
It is a kind of structural schematic diagram of one embodiment of monitoring system of photovoltaic DC-to-AC converter of the application referring specifically to Fig. 2, Fig. 2.The application
The monitoring system 100 of announcement includes photovoltaic DC-to-AC converter 11, master controller 12 and GPRS communicators 13.
Specifically, monitoring system 100 includes at least one photovoltaic DC-to-AC converter 11, and each photovoltaic DC-to-AC converter 11 connects at least
One photovoltaic array 14, the data information for obtaining at least one photovoltaic array 14；At least one master controller 12, master control
Device 12 and at least one photovoltaic DC-to-AC converter 11 connect；At least one GPRS communicators 13, GPRS communicators 13 and master controller 12
Connection, GPRS communicators 13 initialize, and judge whether to need to issue control instruction, if the needs of GPRS communicators 13 issue control
Instruction, then GPRS communicators 13 read the data information of photovoltaic DC-to-AC converter 11, and data information is sent to server 300.
Master controller 12 is used to obtain the data information of at least one photovoltaic DC-to-AC converter 11, and GPRS communicators 13 pass through master control
Device 12 processed reads the data information of at least one photovoltaic DC-to-AC converter 11.
If GPRS communicators 13 will issue control instruction, GPRS communicators 13 receive control instruction from server 300, and
Control instruction is handed down to master controller 12.Control instruction includes instruction of restarting or interface link order.Wherein, GPRS communicators
13 carry out communication with server 300 realizes that GPRS communicators 13 wirelessly connect with communication base station 200 by communication base station 200
It connects, communication base station 200 is remotely connect with server 300 for example, by network etc..
Each photovoltaic DC-to-AC converter 11 connects a photovoltaic array 14, the data information for obtaining the photovoltaic array 14；Often
A master controller 12 and 14 photovoltaic DC-to-AC converters 11 connect, the data information for obtaining 14 photovoltaic DC-to-AC converters 11.Server
300 can connect at least one GPRS communicators 13.
In the present embodiment photovoltaic DC-to-AC converter monitoring system 100 realize monitoring method embodiment specifically with above-mentioned implementation
It is similar in mode, it is not repeated herein.
The monitoring system 100 of photovoltaic DC-to-AC converter provided in this embodiment includes at least one photovoltaic DC-to-AC converter 11, Mei Geguang
Volt inverter 11 connects at least one photovoltaic array 14, the data information for obtaining at least one photovoltaic array 14；At least one
A master controller 12, master controller 12 and at least one photovoltaic DC-to-AC converter 11 connect；At least one GPRS communicators 13, GPRS are logical
Believe that device 13 and master controller 12 connect, GPRS communicators 13 initialize, and judge whether to need to issue control instruction；If GPRS is logical
Letter device 13 needs to issue control instruction, then GPRS communicators 13 read the data information of photovoltaic DC-to-AC converter 11, and by data information
It is sent to server 300, Fast Monitoring photovoltaic DC-to-AC converter 11 can be realized, upload generated energy in time.
This application discloses a kind of another embodiment of the monitoring system of photovoltaic DC-to-AC converter, which includes 14 light
Inverter is lied prostrate, each photovoltaic DC-to-AC converter connects a photovoltaic array, the data information for obtaining the photovoltaic array；One master control
Device processed, master controller and 14 photovoltaic DC-to-AC converter connections；One GPRS communicator, GPRS communicators are connected with master controller,
GPRS communicators initialize, and judge whether to need to issue control instruction；If GPRS communicators need to issue control instruction,
GPRS communicators read the data information of photovoltaic DC-to-AC converter, and data information is sent to server.
Monitoring system is similar with 100 structure of monitoring system in above-described embodiment in the present embodiment, monitoring system it is specific
Structural schematic diagram sees Fig. 2, and monitoring system realizes that the flow chart of monitoring method sees Fig. 1 in the present embodiment, does not do herein
It repeats.
The monitoring system of photovoltaic DC-to-AC converter provided in this embodiment can realize Fast Monitoring photovoltaic DC-to-AC converter, upload in time
Generated energy.
In several embodiments provided herein, it should be understood that disclosed system, device and method can
To realize by another way.For example, device embodiments described above are only schematical, for example, the mould
The division of block or unit, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, for example (,) it is multiple
Unit or component can be combined or can be integrated into another system, or some features can be ignored or not executed.It is another
Point, shown or discussed mutual coupling, direct-coupling or communication connection can be by some interfaces, device or
The INDIRECT COUPLING of unit or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize present embodiment scheme
Purpose.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, also may be used
It, can also be during two or more units be integrated in one unit to be that each unit physically exists alone.It is above-mentioned integrated
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the application
The all or part of step of embodiment the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. the various media that can store program code.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the claims of the application, every to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field includes similarly in the scope of patent protection of the application.
Claims (10)
1. a kind of monitoring method of photovoltaic DC-to-AC converter, which is characterized in that be applied to monitoring system, the monitoring system includes at least
One photovoltaic DC-to-AC converter, master controller and GPRS communicators, each photovoltaic DC-to-AC converter connect at least one photovoltaic array, institute
It states master controller to connect at least one photovoltaic DC-to-AC converter, the GPRS communicators are connected with the master controller, described
Monitoring method includes：
Control the data information that the photovoltaic DC-to-AC converter obtains at least one photovoltaic array；
The GPRS communicators are initialized；
Judge whether the GPRS communicators need to issue control instruction；
If it is not, then controlling the data information that the GPRS communicators read the photovoltaic DC-to-AC converter, and the data information is sent out
Give server.
2. monitoring method according to claim 1, which is characterized in that judging whether the GPRS communicators need to issue
After control instruction, the method further includes：
If so, control the GPRS communicators receives the control instruction from the server, and will be under the control instruction
Issue the master controller.
3. monitoring method according to claim 1, which is characterized in that the control instruction includes that instruction of restarting or interface connect
Connect instruction.
4. a kind of monitoring system of photovoltaic DC-to-AC converter, which is characterized in that the monitoring system includes：
At least one photovoltaic DC-to-AC converter, each photovoltaic DC-to-AC converter connects at least one photovoltaic array, for obtaining at least one
The data information of a photovoltaic array；
At least one master controller, the master controller are connected at least one photovoltaic DC-to-AC converter；
At least one GPRS communicators, the GPRS communicators are connected with the master controller, the GPRS communicators initialization,
And judge whether to need to issue control instruction；If the GPRS communicators need to issue control instruction, the GPRS communicators
The data information of the photovoltaic DC-to-AC converter is read, and the data information is sent to server.
5. monitoring system according to claim 4, which is characterized in that the master controller is at least one described for obtaining
The data information of photovoltaic DC-to-AC converter, the GPRS communicators read at least one photovoltaic DC-to-AC converter by the master controller
Data information.
6. monitoring system according to claim 4, which is characterized in that if the GPRS communicators will issue the control and refer to
It enables, then the GPRS communicators receive the control instruction from the server, and the control instruction are handed down to described total
Controller.
7. monitoring system according to claim 4, which is characterized in that the control instruction includes that instruction of restarting or interface connect
Connect instruction.
8. monitoring system according to claim 4, which is characterized in that each photovoltaic DC-to-AC converter connects the light
Photovoltaic array, the data information for obtaining the photovoltaic array；
Each master controller and 14 photovoltaic DC-to-AC converter connections, the data for obtaining 14 photovoltaic DC-to-AC converters
Information.
9. monitoring system according to claim 8, which is characterized in that the server and at least one GPRS communications
Device connects.
10. a kind of monitoring system of photovoltaic DC-to-AC converter, which is characterized in that the monitoring system includes：
14 photovoltaic DC-to-AC converters, each photovoltaic DC-to-AC converter connects a photovoltaic array, for obtaining the photovoltaic array
Data information；
One master controller, the master controller and 14 photovoltaic DC-to-AC converter connections；
One GPRS communicator, the GPRS communicators are connected with the master controller, the GPRS communicators initialization, and are sentenced
It is disconnected whether to need to issue control instruction；If the GPRS communicators need to issue control instruction, the GPRS communicators are read
The data information of the photovoltaic DC-to-AC converter, and the data information is sent to server.
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Application publication date: 20180914 |