CN201550048U - Analysis system for solar module power-generating status in solar grid-connected power-generating system - Google Patents
Analysis system for solar module power-generating status in solar grid-connected power-generating system Download PDFInfo
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- CN201550048U CN201550048U CN2009202471920U CN200920247192U CN201550048U CN 201550048 U CN201550048 U CN 201550048U CN 2009202471920 U CN2009202471920 U CN 2009202471920U CN 200920247192 U CN200920247192 U CN 200920247192U CN 201550048 U CN201550048 U CN 201550048U
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- solar
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- solar battery
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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
Abstract
The utility model provides an analysis system for solar module power-generating status in a solar grid-connected power-generating system. The analysis system is characterized in that: the analysis system comprises a solar cell matrix, a plurality of sampling sensors and a calculating analyzer; the number of the sampling sensors is identical to the number of solar battery packs; the line of each solar battery pack is connected with the sampling sensor in serial so as to send collected electric signals to the calculating analyzer to analyze. The analysis system conducts real-time sampling for the electric signals on the serial line through arranging independent sampling sensor on the serial line of each solar battery pack, and comprehensively calculates and analyzes the sampling value of each sampling sensor through the calculating analyzer, thereby judging the work status of each solar battery pack.
Description
Technical field
The utility model relates to a kind of solar module generating state analytical system, particularly a kind of analytical system of solar module being implemented online intelligent generating state supervision, can in solar power system, detect the working condition of cell panel in real time, the generating situation of solar cell array is analyzed warning, belong to the solar energy generation technology field.
Background technology
In solar grid-connected electricity generation system, the at present domestic solar grid-connected electricity generation system that generally adopts is mainly by solar module, compositions such as combining inverter.As shown in Figure 3, wherein solar module mainly by solar panel 1P1～n, the 2P1～n of some ... the square formation that mP1～n forms constitutes.A large-scale electricity generation system is made up of the thousands of cell panel of hundreds of, and the composition structure is the parallel way again of connecting earlier.Gross power is made of the addition of some groups of series connection power packages power outputs.If a wherein a certain solar panel goes wrong in whole square formation, can not influence the operate as normal of system, but can have influence on the generating efficiency of system.That is to say, if solar panel goes wrong influence is the whole group of generating efficiency that is cascaded, to such an extent as to have influence on the efficient of whole square formation.Solar power system generally is 20～30 years by a definite date systems that use, and in the long course of work, well imagines for the generating efficiency influence of whole system.
Yet wherein the generating and the operating state of each cell panel still can't realize real time monitoring in the solar power system of present stage application, and the long-term generating efficiency that this has influenced the whole generating system greatly is a problem demanding prompt solution.
Summary of the invention
Main purpose of the present utility model is to solve problems of the prior art, provide a kind of solar module is implemented the analytical system that online intelligent generating state monitors, can in solar power system, detect the working condition of cell panel in real time, the generating situation of solar cell array is analyzed warning.
The purpose of this utility model is achieved by following technical proposals: solar module generating state analytical system in the solar grid-connected electricity generation system is characterized in that: comprising: solar cell array, some sampling sensors and computational analysis device;
Described solar cell array is made of some groups of solar battery group parallel connections; Every group of solar battery group connected by the solar panel of equal number and constituted;
The quantity of described sampling sensor is identical with the quantity of the solar battery group of parallel connection; On the circuit of every group of solar battery group, be in series with a sampling sensor respectively, in order to the signal of telecommunication on the solar battery group circuit of sampling place;
Described each sampling sensor links to each other with the computational analysis device, its signal of telecommunication of gathering is sent to the computational analysis device analyze.
Described sampling sensor is a current sensor, in order to the current signal of sampling place solar battery group circuit.
The utility model beneficial effect is: solar module generating state analytical system is by sampling sensor carries out real-time sampling to the signal of telecommunication on this circuit being provided with independently on the series circuit of every group of solar battery group in this solar grid-connected electricity generation system, and the sampled value of each sampling sensor is carried out the COMPREHENSIVE CALCULATING analysis, thereby judge the operating state of each solar battery group by the computational analysis device.
Description of drawings
Fig. 1 forms structural representation for solar cell array;
Fig. 2 is the sampling analysis system structural representation;
Fig. 3 forms structural representation for existing solar cell array.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1 and Figure 2, solar module generating state analytical system comprises in this solar grid-connected electricity generation system: solar cell array, some sampling sensors and computational analysis device.
Described solar cell array is as existing solar cell array structure, by some groups of solar battery group 1P, 2P ... mP is in parallel to be constituted.Every group of solar battery group is by solar panel P1, the P2 of equal number ... the Pn formation of connecting.
Described sampling sensor C1, C2 ... the quantity of Cm and solar battery group 1P in parallel, 2P ... the quantity of mP is identical, is m.On the circuit of every group of solar battery group, be in series with a sampling sensor respectively.The signal of telecommunication on this sampling sensor sampling place solar battery group circuit.
Described each sampling sensor C1, C2 ... Cm links to each other with the computational analysis device, its signal of telecommunication of gathering is sent to the computational analysis device analyze.Described computational analysis device is analyzed the operating state of each solar battery group according to each sampling signal of telecommunication that receives, and carries out corresponding warning.
By the said structure design, this solar module generating state analytical system can be carried out real time monitoring to the operating state of each solar battery group, thereby in time be fixed a breakdown under the situation that does not influence the solar cell array normal power generation.
Above-mentioned sampling sensor C1, C2 ... Cm can adopt current sensor to realize usually.Because when the solar cell array operate as normal, the electric current on each solar battery group circuit should be a basically identical.And when certain solar panel went wrong, the electric current on the solar battery group circuit at this solar panel place can obviously descend.Described analytical system can be according to the position of the size of current failure judgement solar panel of being sampled.
The deterministic process of concrete computational analysis device can realize according to following method, be not limited to following method certainly.Described computational analysis device at first calculates the average current of each sampling sensor, and sample rate current and this average current of each sampling sensor compared.When the difference of the sample rate current of certain sampling sensor and this average current greater than certain set point, and certain time, then the computational analysis device is judged the solar panel that breaks down in this group solar battery group, sends corresponding alarm.
In sum, solar module generating state analytical system is by sampling sensor carries out real-time sampling to the signal of telecommunication on this circuit being provided with independently on the series circuit of every group of solar battery group in the designed solar grid-connected electricity generation system of this patent, and the sampled value of each sampling sensor is carried out the COMPREHENSIVE CALCULATING analysis, thereby judge the operating state of each solar battery group by the computational analysis device.This analytical system has been filled up the blank of existing solar cell array operating state being carried out real time monitoring, has satisfied the actual needs on the engineering.Any not creative transformation that persons skilled in the art are done under this design philosophy all should be considered as within protection range of the present utility model.
Claims (2)
1. solar module generating state analytical system in the solar grid-connected electricity generation system is characterized in that: comprising: solar cell array, some sampling sensors and computational analysis device;
Described solar cell array is made of some groups of solar battery group parallel connections; Every group of solar battery group connected by the solar panel of equal number and constituted;
The quantity of described sampling sensor is identical with the quantity of the solar battery group of parallel connection; On the circuit of every group of solar battery group, be in series with a sampling sensor respectively, in order to the signal of telecommunication on the solar battery group circuit of sampling place;
Described each sampling sensor links to each other with the computational analysis device, its signal of telecommunication of gathering is sent to the computational analysis device analyze.
2. solar module generating state analytical system in the solar grid-connected electricity generation system as claimed in claim 1 is characterized in that: described sampling sensor is a current sensor, in order to the current signal of sampling place solar battery group circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202471920U CN201550048U (en) | 2009-11-20 | 2009-11-20 | Analysis system for solar module power-generating status in solar grid-connected power-generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009202471920U CN201550048U (en) | 2009-11-20 | 2009-11-20 | Analysis system for solar module power-generating status in solar grid-connected power-generating system |
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| CN201550048U true CN201550048U (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202471920U Expired - Fee Related CN201550048U (en) | 2009-11-20 | 2009-11-20 | Analysis system for solar module power-generating status in solar grid-connected power-generating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708014A (en) * | 2019-08-05 | 2020-01-17 | 浙江腾圣储能技术有限公司 | Detection system and method based on photovoltaic bus board |
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2009
- 2009-11-20 CN CN2009202471920U patent/CN201550048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708014A (en) * | 2019-08-05 | 2020-01-17 | 浙江腾圣储能技术有限公司 | Detection system and method based on photovoltaic bus board |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20171120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |