CN206162654U - Photovoltaic power plant subassembly environment power prediction system - Google Patents
Photovoltaic power plant subassembly environment power prediction system Download PDFInfo
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- CN206162654U CN206162654U CN201621113774.6U CN201621113774U CN206162654U CN 206162654 U CN206162654 U CN 206162654U CN 201621113774 U CN201621113774 U CN 201621113774U CN 206162654 U CN206162654 U CN 206162654U
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- photovoltaic power
- power station
- signal processing
- station component
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The utility model discloses a photovoltaic power plant subassembly environment power prediction system, including and tracking unit, load resistance unit and digital signal processing unit through circuit connection's solar cell panel, PWM power, digital signal processing unit passes through voltage acquisition unit and electric current acquisition unit and circuit connection, digital signal processing unit still is connected with the singlechip, is equipped with the button on the singlechip and sets up unit, display screen, clock unit and communication unit, and environmental parameter acquisition sensor is connected to the singlechip, solar cell panel is one or two panel the same with the photovoltaic power plant subassembly. The utility model discloses a to power station same batch battery pack with maximum power point tracking mode precise measurement for the mode of some generation face calculates the theoretical generated energy of photovoltaic power plant, as the data source of the generating efficiency analysis of standing entirely, realizes that equipment real -time at different levels efficiency analysis, subassembly wash functions such as suggestion, module characterization survey. The model is simple reliable, and extended functionality is powerful.
Description
Technical field
This utility model is related to technical field of photovoltaic power generation, more particularly to a kind of photovoltaic power station component environment power prediction system
System.
Background technology
At present income is all derived from generating electricity photovoltaic plant.Statistics shows that a power station is if good O＆M and management
Software platform, generated energy can improve 5% or so.Therefore, power station generating efficiency at different levels how is calculated, indicates that power station loss is big
Or poorly efficient unit is the focus of power station intelligence O＆M.
Photovoltaic plant theory generated energy is examination one very important parameter of power station generating efficiency.Existing power station adopts
Irradiation sensor irradiation value substitutes into formula and calculates theoretical generated energy.Many parameter settings are all experience digits in formula, according to property
Difference, deviation ratio is larger.
Because there is irradiation instrument low precision, assembly temperature measurement error, difference batch in existing theoretical generated energy calculation
Sub-assembly attenuation rate difference, computing formula be inaccurate or ambiguity than it is larger the problems such as, so the theoretical generated energy data for calculating
It is unreliable, it is impossible to substitute into system-computed analysis power station generating efficiency.
The content of the invention
To solve above-mentioned technical problem, this utility model provides a kind of photovoltaic power station component environment power prognoses system,
To reach prediction accurately, the reliable purpose of data.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of photovoltaic power station component environment power prognoses system, including the solar panel, PWM work(that are connected by circuit
Rate tracing unit, load resistance unit and digital signal processing unit, the digital signal processing unit passes through voltage acquisition list
Unit and current acquisition unit are connected with the circuit；The digital signal processing unit is also associated with single-chip microcomputer, the single-chip microcomputer
It is provided with button setting unit, display screen, clock unit and communication unit, the single-chip microcomputer JA(junction ambient) parameter acquisition sensing
Device；The solar panel is and one piece or two pieces of the photovoltaic power station component identical cell panel.
In such scheme, on the circuit filter unit is additionally provided with.
In such scheme, the communication unit includes 3G communication units and 485 communication units.
In such scheme, the display screen is LCD display.
In further technical scheme, the ambient parameter collection sensor include irradiation instrument, temperature sensor and wind speed,
Wind transducer.
In further technical scheme, the digital signal processing unit is connected with the single-chip microcomputer by well head communication.
Further in technical scheme, the load resistance unit is 500W load resistances.
By above-mentioned technical proposal, the photovoltaic power station component environment power prognoses system that this utility model is provided has following
Advantage：
1st, generation model is completely the same with actual plant stand（Component characteristic is consistent, and generation mode is consistent）, data have high
It is credible；
2nd, high-precision measuring is adopted, it is ensured that accurately；
3rd, possess timing system, there are the information such as instantaneous electric power, ageing Data Analysis Data source can be done；
Generated energy and the contrast of cleaning assemblies generated energy, clearly point out evidence-based when the 4, easily realizing being stained；
5th, the generating Energy Efficiency Analysis of component-header box can be realized as power station administration by different levels standard according to source, conflux-
The stage efficiencies such as the line loss of inversion, the conversion efficiency of inversion, transformer loss are analyzed；
6th, the good and bad practical instrument of power station evaluation component, is contrasted by irradiance data, doubtful problem component can be connected
It is connected on equipment, equipment there are double-channel collection two loads, is capable of achieving generating efficiency contrast；
7th, data cube computation has high commercial value to network cloud platform, can also expand power prediction function.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described.
Fig. 1 is a kind of photovoltaic power station component environment power prognoses system structural representation disclosed in this utility model embodiment
Figure.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.
This utility model is there is provided a kind of photovoltaic power station component environment power prognoses system, structure as shown in Figure 1, and this is pre-
Examining system carries out same angle laying by the photovoltaic module of the same batch adopted to former power station, and component is exported through pwm power most
It is big to follow the trail of, the generating electric quantity consumption of component is fallen with the mode of load resistance power consumption, while digital signal processing unit
（DSP）Delicate metering can be done to parameters such as voltage, electric current, the generating electricity of electrification component, obtain the generated output of monolithic element
With generated energy, whole station theory generated energy is drawn by being multiplied by power station component count.
Specific embodiment is as follows：
Photovoltaic power station component environment power prognoses system as shown in Figure 1, including the solaode connected by circuit
Plate, pwm power tracing unit, 500W load resistances unit and digital signal processing unit（DSP）, digital signal processing unit
（DSP）It is connected with circuit by voltage acquisition unit and current acquisition unit；Digital signal processing unit（DSP）It is also associated with list
Piece machine（MCU）, single-chip microcomputer（MCU）It is provided with button setting unit, LCD display, clock unit and communication unit, single-chip microcomputer
（MCU）JA(junction ambient) parameter acquisition sensor.
Filter unit is additionally provided with foregoing circuit.
Pwm power tracing unit is metal-oxide-semiconductor on-off circuit.
Load resistance unit is loaded using 500W, and solar panel electricity amount is finally by the normal form consumption of resistance heating
Fall, it is desirable to the area and volume of enough radiatings.
Communication unit includes 3G communication units and 485 communication units.3G communication units, built-in 3G cards of surfing Internet, connection cloud is put down
Platform server, adopts serial ports/network interface connection between CPU；485 communication units are 485 interfaces, are uploaded by the agreement of MODBUS
To data such as background system Standard clectrical quantity, irradiation, whole station generated outputs.
Ambient parameter collection sensor includes irradiation instrument, temperature sensor and wind speed, wind transducer.
Digital signal processing unit is connected with single-chip microcomputer by well head communication.
It is pointed out that in the present embodiment, solar panel is and one piece of photovoltaic power station component identical cell panel
Or two pieces.With inclination angle identical with same batch component palette adjustable support setting in plant stand, true generating, powerinjected method and height
Precision gauge assembly generated energy, and then product calculates whole station standard generated energy, participates in whole station generating efficiency and calculates.
This equipment is installed on the position of power station maintenance convenient for cleaning, keeps test suite cleaning, you can relative analyses are dispatched from the factory
The efficiency produced because component is stained in standing is reduced, and accomplishes clean prompting.
There is the environment power generated energy measuring and calculating numerical value of monolithic element, subdivision, classification go demarcation generating efficiency to be easy for
Realize.
By the ambient parameters such as irradiation instrument, temperature as with reference to can analyze the efficiency characteristic of component, as O＆M
Module testing instrument.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case of without departing from spirit or scope of the present utility model.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
1. a kind of photovoltaic power station component environment power prognoses system, it is characterised in that include the solar-electricity connected by circuit
Pond plate, pwm power tracing unit, load resistance unit and digital signal processing unit, the digital signal processing unit passes through
Voltage acquisition unit and current acquisition unit are connected with the circuit；The digital signal processing unit is also associated with single-chip microcomputer,
The single-chip microcomputer is provided with button setting unit, display screen, clock unit and communication unit, the single-chip microcomputer JA(junction ambient) parameter
Collection sensor；The solar panel is and one piece or two pieces of the photovoltaic power station component identical cell panel.
2. a kind of photovoltaic power station component environment power prognoses system according to claim 1, it is characterised in that the circuit
On be additionally provided with filter unit.
3. a kind of photovoltaic power station component environment power prognoses system according to claim 1, it is characterised in that the communication
Unit includes 3G communication units and 485 communication units.
4. a kind of photovoltaic power station component environment power prognoses system according to claim 1, it is characterised in that the display
Shield for LCD display.
5. a kind of photovoltaic power station component environment power prognoses system according to claim 1, it is characterised in that the environment
Parameter acquisition sensor includes irradiation instrument, temperature sensor and wind speed, wind transducer.
6. a kind of photovoltaic power station component environment power prognoses system according to claim 1, it is characterised in that the numeral
Signal processing unit is connected with the single-chip microcomputer by well head communication.
7. a kind of photovoltaic power station component environment power prognoses system according to claim 1, it is characterised in that the load
Resistance unit is 500W load resistances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113774.6U CN206162654U (en) | 2016-10-10 | 2016-10-10 | Photovoltaic power plant subassembly environment power prediction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113774.6U CN206162654U (en) | 2016-10-10 | 2016-10-10 | Photovoltaic power plant subassembly environment power prediction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206162654U true CN206162654U (en) | 2017-05-10 |
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ID=58652852
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113774.6U Expired - Fee Related CN206162654U (en) | 2016-10-10 | 2016-10-10 | Photovoltaic power plant subassembly environment power prediction system |
Country Status (1)
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| CN (1) | CN206162654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106295916A (en) * | 2016-10-10 | 2017-01-04 | 江苏百瑞自动化科技有限公司 | A kind of photovoltaic power station component environment power prognoses system |
| CN107341566A (en) * | 2017-06-19 | 2017-11-10 | 东北电力大学 | Photovoltaic system electricity generation power prediction meanss and its method based on meteorologic parameter Yu solar panel running state parameter |
-
2016
- 2016-10-10 CN CN201621113774.6U patent/CN206162654U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106295916A (en) * | 2016-10-10 | 2017-01-04 | 江苏百瑞自动化科技有限公司 | A kind of photovoltaic power station component environment power prognoses system |
| CN107341566A (en) * | 2017-06-19 | 2017-11-10 | 东北电力大学 | Photovoltaic system electricity generation power prediction meanss and its method based on meteorologic parameter Yu solar panel running state parameter |
| CN107341566B (en) * | 2017-06-19 | 2020-07-24 | 东北电力大学 | Photovoltaic system power generation prediction device and method based on meteorological parameters and solar cell panel running state parameters |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20181010 |
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| CF01 | Termination of patent right due to non-payment of annual fee |