CN101398454A - Solar assembly test method and device thereof - Google Patents
Solar assembly test method and device thereof Download PDFInfo
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- CN101398454A CN101398454A CNA200710133633XA CN200710133633A CN101398454A CN 101398454 A CN101398454 A CN 101398454A CN A200710133633X A CNA200710133633X A CN A200710133633XA CN 200710133633 A CN200710133633 A CN 200710133633A CN 101398454 A CN101398454 A CN 101398454A
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Abstract
The invention discloses a method for testing a solar energy component and a device thereof. The invention is characterized in that: a, performance parameters of the solar energy component are measured; b, longitude and latitude of the measured place are obtained by a GPS positioning system; c, meteorological data in the NASA database is transferred according to the longitude and the latitude, so as to obtain the data of annual illumination and temperature; d, annual generated energy of the component at the measured place is calculated according to the step a and the step c; the device comprises a processor, an A/D convertor, an electronic load and a sensor group, wherein, the processor receives the signals measured by the sensor group by the A/D convertor, the electric load which is connected on the sensor is taken as an artificial load of the measured component; the device is characterized in that the device also comprises a GPS positioning module which is connected with the processor by the data interface on the processor. The invention utilities the detection data of the GPS positioning system to transfer the NASA meteorological data and realizes the prediction of annual generated energy of the measured component, thus being beneficial to the construction and maintenance detection of the power station.
Description
Technical field
The present invention relates to a kind of electrical testing method and device thereof, be specifically related to a kind of method of testing that is used to test the solar components performance, and in order to realize the proving installation of this method of testing.
Background technology
Current fossil energy is petered out, because ubiquity, permanence and the honesty of sunshine, generating by solar will be the important source that future source of energy is formed.Photovoltaic plant is the photovoltaic property that utilizes solar cell, accepts radiation sunlight, produces photogenerated current, supplies with a kind of energy production device that various loads are used by accent, change, storage, distribution etc., and it basic composition is: 1. solar panel battle array; 2. store electric equipment; 3. discharge and recharge, the inversion control demodulator; 4. fail, give, controller switching equipment.Wherein, solar panel battle array (also or be called solar components) is made up of the solar panel of series and parallel and support etc., be responsible for receiving solar radiation, producing the photovoltaic electric energy, is the core component in power station, the ability of the generation energy in the good and bad directly decision power station of its performance.
At present, method of testing to the solar components performance has multiple, " method for real-timely testing performance of multi-channel photovoltaic cell " announced as Chinese invention patent (CN1769886), the control signal of being sent by computing machine is to data collecting card, data collecting card sends the drive electronic load, electronic load applies one by bearing to positive voltage for the tested photovoltaic cell that is connected the electronic load two ends, measure the electric current that changes in the loop of tested photovoltaic cell and electric current line by the current measurement line in the four line methods of testing, the voltage measurement line is measured the battery terminal voltage of corresponding each current value, change the electronic load value successively, measure correspondent voltage and current value, obtain the measurement data of battery volt-ampere curve (I-V curve) at last.By the I-V curve that records, can extrapolate other parameters of assembly, comprise Isc, Voc, Pm, Im, Vm, FF, Ef, Rs, Rsh etc., realize test to the MUT module under test performance.
Yet, above-mentioned test to assembly, be applicable to the assembly daily servicing after the foundation of power station, the feasibility study stage before building a station, overriding concern be choosing and forming the required component count in power station of plant location, wherein, the power station addressing need be considered physical geography condition: weather data (solar radiant energy resource etc.), longitude, latitude, height above sea level, geology, earthquake, flood, temperature, wind speed, year the longest overcast and rainy days, thunderstorm rain, sandstorm, hail, air purity (acid rain), environmental impact etc., according to the solar radiation illumination of locality (with regard to our earth surface, by sunshine intensity be 1000w/m to the maximum
2, on average be about 710w/m
2), year sunshine amount=average intensity of sunshine * sunshine-duration in year, the requirement of calculating solar cell; Simultaneously, follow capacity according to the efficient of local solar radiation quantity, meteorology and geographic data, system and requirement, load day power consumption estimation solar cell; On the other hand, because the variation of local climate or the variation of load, detect the power station of having set up and whether still meet former designing requirement, according to local natural conditions can dilatation etc. problem, can't once finish at tested scene with present method of testing and proving installation, need record data and come back to the base and draw after the repeated calculation.
Summary of the invention
The object of the invention provides a kind of solar assembly test method, adopts this method directly being drawn the desired data of building a station by geodetic, the utilization rate in estimation power station and the rationality of building a station.
Another object of the present invention provides a kind of solar assembly test device, adopts this device to realize and can directly drawn the desired data of building a station by geodetic, the method for testing of the utilization rate in estimation power station, convenient test, quick.
For achieving the above object, the technical solution used in the present invention is: a kind of solar assembly test method comprises the steps:
A. utilize sunshine as detection light source, record the performance parameter of solar components;
B. obtain by the longitude and latitude of geodetic by the GPS GPS;
C. according to the warp among the step b, latitude, call weather data, obtain by geodetic illumination and the temperature data of the whole year by the GPS GPS;
D. the data that obtain of integrating step a and step c calculate solar components to be measured by the geodetic generated energy of the whole year.
In the technique scheme, the method of test solar components performance can adopt prior art among the step a, four line methods of testing as photovoltaic cell testing standard regulation, record voltage and current value with the electronic load at tested solar components two ends by sensor, change the electronic load value successively, measure correspondent voltage and current value, be depicted as the volt-ampere curve (I-V curve) of assembly, then with temperature, illuminance transducer records the match of data phase, conversion, calculate the various performance parameters of MUT module under test, wherein, different with present modal indoor test is, adopt sunshine as detection light source, rather than adopt artificial simulated solar irradiation;
Described step b determines to be helped determining the mounted angle and the position angle of solar panel, thereby can effectively utilize solar radiation by the warp of geodetic, latitude by the GPS GPS, reaches the effect that makes full use of solar energy source; And, because in the GPS GPS, collection has the weather data of all parts of the world, thereby, can integrating step b and c, according to the warp that obtains, latitude calls the weather data and the solar radiation situation of this area of storage in NASA (Nasa) meteorogical phenomena database, calculating (this software for calculation can adopt prior art) by computer software programs, extrapolate by the geodetic generated energy of the whole year, be tested solar components by the generating capacity of geodetic, these data provide the foundation (the generating situation in prediction component or power station) of science for the design in early stage in power station, and for the power station of having built up, can this test can be used for detecting the construction rationality in tested power station, make full use of local solar energy source, and as the foundation that whether needs to extend etc.
For achieving the above object, the another kind of technical scheme that the present invention adopts is: a kind of solar assembly test device, comprise processor, A/D converter, electronic load and sensor groups, described sensor groups comprises light intensity sensor, temperature sensor, voltage sensor and current sensor, described processor receives the signal that is recorded by sensor groups through A/D converter, described electronic load is connected in the output loop of tested solar components, described voltage and current sensor are measured the voltage and current of described tested solar components respectively, also include a GPS locating module, this locating module is connected with described processor through data-interface.
In the technique scheme, by light intensity sensor and temperature sensor collection by the physical environment of geodetic, record data through the A/D converter input processor, the electronic load variable signal that while voltage sensor and current sensor will record under natural light is through the A/D converter input processor, through the integration of software program, real-time curvilinear transformation is become standard state (AM1.5 1000w/m
2, temperature 25 degree) under curve; Described GPS locating module is connected with processor through data-interface, described data-interface can be serial ports (as the RS232 interface), the GPS locating module receives gps satellite signal and obtains warp, the latitude of current institute geodetic, send to processor through serial ports then, for the mounted angle and the position angle of assembly battery sheet provides geographical foundation; Simultaneously, processor calls the geography information of NASA database once more by the GPS locating module, is used for the tested solar components of computing machine in the year of locality generating capacity.
Because the technique scheme utilization, the present invention compared with prior art has following advantage:
1. the method for testing among the present invention records the on-site longitude and latitude of tested solar components by the GPS positioning system, this geography information provides geographical foundation for the mounted angle and the position angle of assembly cell panel on the one hand, on the other hand, call NASA Nasa weather data according to longitude and latitude, in conjunction with the weather data of this area and the various performance parameters of the solar components that records, thereby can estimate the generated energy of this area's assembly, provide scientific basis for building or detect the power station, and detecting data draws immediately in tested locality, removed in the past dealing repeatedly from by the loaded down with trivial details process between geodetic and the conversion ground, with surveying promptly, simplify and shortened testing process;
2. the present invention is for realizing above-mentioned method of testing, in proving installation, insert the GPS locating module by processor serial port, to receive by the geography information of geodetic, this information is sent in the processor parameter value as calculation procedure, thereby realizes calling the data of NASA meteorogical phenomena database and and then finish the function of estimation charge value in real time.
Description of drawings
Fig. 1 is the structured flowchart of the embodiment of the invention one;
Fig. 2 is the test process process flow diagram of the embodiment of the invention one.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment one: shown in Fig. 1,2, a kind of solar assembly test method comprises the steps:
A. with local sunshine as detection light source, record the performance parameter of solar components;
B. obtain by the longitude and latitude of geodetic by the GPS GPS;
C. according to the warp among the step b, latitude, call the weather data in the NASA database, obtain by geodetic illumination and the temperature data of the whole year;
D. the data that draw of integrating step a and step c are extrapolated solar components by the geodetic generated energy of the whole year;
For finishing above-mentioned method of testing, adopted a kind of solar assembly test device, as shown in Figure 1, comprise processor, A/D converter, electronic load, GPS locating module and sensor groups, described sensor groups comprises light intensity sensor, temperature sensor, voltage sensor and current sensor, described processor receives the signal (A/D converter is connected with processor through USB interface) that is recorded by sensor groups through A/D converter, described voltage and current sensor are connected on the described electronic load, be connected with the positive and negative terminal of tested solar components by this electronic load, described GPS locating module is connected with described processor through serial ports RS232;
Its workflow is referring to 1, shown in 2, the control signal of being sent by processor drives electronic load through A/D converter, simulation puts on the load at tested solar components two ends, by the resistance of load is determined the voltage and current corresponding relation of each working point from the variation of 0～∞, by the voltage that is connected with electronic load, current sensor with signal in A/D converter is sent to processor, thereby draw the assembly of surveying under by geodetic natural light and temperature or performance parameter (the I-V curve and the Isc of assembly array, Voc, Pm, Im, Vm, FF, Ef, Rs, parameters such as Rsh), gather the physical environment parameter of local real time then by light intensity sensor and temperature sensor, in A/D converter is sent to processor, with real-time parameter, curve is integrated into standard light through converse routine and shines, temperature (AM1.5 1000w/m
2, temperature 25 degree) and assembly under the state or performance parameter, the curve of assembly array; When needs are estimated the assembly generated energy, processor drives the GPS locating module, obtain by the longitude and latitude of geodetic, with the longitude and latitude is parameter call NASA database, obtain the annual illumination and the temperature data of this area, the various performance parameters of coupling unit itself is estimated out MUT module under test at the annual generated energy in tested area through computed in software.
Utilize above-mentioned method of testing to match with proving installation, the assembly that records is by the generated energy of geodetic, whole detection and computation process are all finished on the spot in real time by geodetic, easy to detect, data are instant, for providing scientific basis in the design effort in early stage of being set up solar power station by geodetic, and for the power station of having built up provides the function of Performance Detection, so that the power station can utilize local solar irradiation as much as possible; Therefore, present embodiment also has the assembly of estimating or plant generator amount when having the detection components performance, and the detection components electroplax is installed the ability of rationality (rationality of promptly building a station).
Claims (2)
1. a solar assembly test method is characterized in that, comprises the steps:
A. utilize sunshine as detection light source, record the performance parameter of solar components;
B. obtain by the longitude and latitude of geodetic by the GPS GPS;
C. according to the warp among the step b, latitude, call weather data, obtain by geodetic illumination and the temperature data of the whole year by the GPS GPS;
D. the data that obtain of integrating step a and step c calculate solar components to be measured by the geodetic generated energy of the whole year.
2. solar assembly test device, comprise processor, A/D converter, electronic load and sensor groups, described sensor groups comprises light intensity sensor, temperature sensor, voltage sensor and current sensor, described processor receives the signal that is recorded by sensor groups through A/D converter, described electronic load is connected in the output loop of tested solar components, described voltage and current sensor are measured the voltage and current of described tested solar components respectively, it is characterized in that: also include a GPS locating module, this locating module is connected with described processor through data-interface.
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| CNA200710133633XA CN101398454A (en) | 2007-09-26 | 2007-09-26 | Solar assembly test method and device thereof |
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| CNA200710133633XA CN101398454A (en) | 2007-09-26 | 2007-09-26 | Solar assembly test method and device thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403927A (en) * | 2010-09-19 | 2012-04-04 | 国立虎尾科技大学 | Guiding system for assisting installation of solar panel and guiding method thereof |
| CN102445645A (en) * | 2011-09-22 | 2012-05-09 | 西北工业大学 | Device and test method for measuring solar cell characteristic |
| CN102928787A (en) * | 2012-11-02 | 2013-02-13 | 中原工学院 | Device and method for testing electricity storage capacity of solar energy clothes in unstable state environment |
| CN103294865A (en) * | 2013-05-30 | 2013-09-11 | 珠海兴业绿色建筑科技有限公司 | Design method and system for solar power system |
| CN103543356A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | Method and equipment for measuring power generation efficiency of photovoltaic power generation system |
| CN104242701A (en) * | 2013-06-13 | 2014-12-24 | 台达电子工业股份有限公司 | Converter for converting direct currents into alternating currents, micro-inverter and solar system of micro-inverter |
| CN104635038A (en) * | 2013-11-15 | 2015-05-20 | 江苏天宇光伏科技有限公司 | Method for measuring small cell panel component by electronic load meter |
| CN109000737A (en) * | 2018-09-21 | 2018-12-14 | 国网辽宁省电力有限公司电力科学研究院 | A kind of transmission line of electricity monitoring sensor solar energy-battery group test method |
| CN112146047A (en) * | 2020-09-25 | 2020-12-29 | 深圳大学 | Solar optical fiber lighting equipment and electrochemical test system |
-
2007
- 2007-09-26 CN CNA200710133633XA patent/CN101398454A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403927B (en) * | 2010-09-19 | 2014-06-04 | 国立虎尾科技大学 | Guiding system for assisting installation of solar panel and guiding method thereof |
| CN102403927A (en) * | 2010-09-19 | 2012-04-04 | 国立虎尾科技大学 | Guiding system for assisting installation of solar panel and guiding method thereof |
| CN102445645A (en) * | 2011-09-22 | 2012-05-09 | 西北工业大学 | Device and test method for measuring solar cell characteristic |
| CN102928787A (en) * | 2012-11-02 | 2013-02-13 | 中原工学院 | Device and method for testing electricity storage capacity of solar energy clothes in unstable state environment |
| CN102928787B (en) * | 2012-11-02 | 2014-12-10 | 中原工学院 | Device and method for testing electricity storage capacity of solar energy clothes in unstable state environment |
| CN103294865A (en) * | 2013-05-30 | 2013-09-11 | 珠海兴业绿色建筑科技有限公司 | Design method and system for solar power system |
| CN103294865B (en) * | 2013-05-30 | 2017-05-03 | 珠海兴业绿色建筑科技有限公司 | Design method and system for solar power system |
| CN104242701A (en) * | 2013-06-13 | 2014-12-24 | 台达电子工业股份有限公司 | Converter for converting direct currents into alternating currents, micro-inverter and solar system of micro-inverter |
| CN104242701B (en) * | 2013-06-13 | 2017-06-16 | 台达电子工业股份有限公司 | Switcher for changing DC into AC, micro- inverter and its solar energy system |
| CN103543356A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | Method and equipment for measuring power generation efficiency of photovoltaic power generation system |
| CN103543356B (en) * | 2013-10-18 | 2016-01-13 | 国家电网公司 | A kind of assay method of power generation efficiency of photovoltaic power generation and equipment |
| CN104635038A (en) * | 2013-11-15 | 2015-05-20 | 江苏天宇光伏科技有限公司 | Method for measuring small cell panel component by electronic load meter |
| CN109000737A (en) * | 2018-09-21 | 2018-12-14 | 国网辽宁省电力有限公司电力科学研究院 | A kind of transmission line of electricity monitoring sensor solar energy-battery group test method |
| CN112146047A (en) * | 2020-09-25 | 2020-12-29 | 深圳大学 | Solar optical fiber lighting equipment and electrochemical test system |
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Application publication date: 20090401 |