CN104635038A - Method for measuring small cell panel component by electronic load meter - Google Patents
Method for measuring small cell panel component by electronic load meter Download PDFInfo
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- CN104635038A CN104635038A CN201310571076.5A CN201310571076A CN104635038A CN 104635038 A CN104635038 A CN 104635038A CN 201310571076 A CN201310571076 A CN 201310571076A CN 104635038 A CN104635038 A CN 104635038A
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- widgets
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- power
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Abstract
The invention discloses a method for measuring a small cell panel component by an electronic load meter. The method has the advantages that by using the high-precision electronic load meter for testing power of the small monocrystalline silicon solar cell panel component, the method is precise in testing result and small in error; by means of simulating a real environment, influences of light and temperature on the small monocrystalline silicon solar cell panel component are further tested precisely, a certain guidance on correct and safe use of monocrystalline silicon solar cells is provided for a user, and high-precision measurement can enable affirmative degree and cognition degree of the user for the monocrystalline silicon solar cells to be improved during practical application, so that service efficiency of the monocrystalline silicon solar cells is improved, and economic benefit is increased; the method is simple in testing, accurate in result, full-automatic to operate and lower in work intensity.
Description
Technical field
The invention belongs to technical field of solar batteries, particularly a kind of method adopting electronic load instrument to measure cell panel widgets power.
Background technology
Monocrystaline silicon solar cell occupies very important status at current photovoltaic market, and can not change within a very long time, the conversion efficiency of its luminous energy is also the problem that those skilled in the art study always always, can safety in order to ensure monocrystaline silicon solar cell, reliably put goods on the market, and can be accepted by users, single-crystalline-silicon solar-cell panel widgets for new production all will be tested, determine its peak power, and existing technology is the power adopting constant-pressure test instrument to measure single-crystalline-silicon solar-cell panel widgets, the result that first this traditional method of testing tests is inaccurate, be only applicable to the electron device measuring relatively high power, secondly, do not relate to illumination and temperature to the impact of solar panel widgets power, like this, the guidance of the use of user is affected, the requirement of client can not be met, its service efficiency can reduce, therefore the economic loss of a part can be brought, reduce economic benefit, so, measure solar panel widgets power before being taken into use and be vital by light and temperature effect.
Summary of the invention
For the problems referred to above that prior art exists, the invention provides a kind of test effect accurate, the method for cell panel widgets power can be measured the proper use of employing electronic load instrument playing positive directive function of user.
To achieve these goals, the technical solution adopted in the present invention is as follows:
Adopt electronic load instrument to measure a method for cell panel widgets power, comprise the following steps:
(1) select quality good, without damage and the cell panel widgets of new production;
(2) arranging radiation source is solar simulator, and the change of temperature is by arranging air-conditioning to regulate;
(3) an intensity of illumination tester and a temperature measuring device are set;
(4) power supply of cell panel widgets is accurately connected with electronic load instrument;
(5) unlocking electronic load meter display, open intensity of illumination tester button and temperature measuring device, this electronic load instrument has manual operation and conputer controlled to operate two kinds of modes simultaneously;
(6) on the control panel of electronic load instrument, dynamic test is selected to operate, setting-up time is spaced apart 1s, the electric current I value of a series of change of solar panel widgets at test different time, radiation intensity and temperature and voltage U value, and be stored on pcs terminal equipment;
(7) intensity of illumination tester stores the intensity of illumination of a series of fluctuation, and record data are Lux
1, Lux
2, Lux
3lux
n, temperature measuring device stores the temperature of a series of fluctuation, and record data are T
1, T
2, T
3t
n;
(8) next some representative current value I are chosen according to the electric current I value fluctuated and voltage U value
1, I
2, I
3i
n, and choose corresponding magnitude of voltage U
1, U
2, U
3u
n, obtain a current-voltage curve, the peak power P of pcs terminal equipment display cell panel widgets
maxwith minimum power P
min;
(9) radiation source that next setting is constant, radiation intensity is 800W/m
2, test battery plate widgets power with the change of temperature T, record test data;
(10) next setting stationary temperature is 25 DEG C, measures the change of cell panel widgets power with radiation intensity Lux, record test data;
(11) disposal data, curve plotting.
Further, in step (8), the selection range of current value I is between 1 ~ 10A, and the selection range of magnitude of voltage U is between 0 ~ 25V.
Further, the selection range of the middle T value of step (9) is between 0 ~ 35 DEG C.
Further, the selection range of the middle Lux value of step (10) is at 100 ~ 1200 W/m
2between.
The beneficial effect that the present invention produces is: adopt high-precision electronic load instrument to test the power of single-crystalline-silicon solar-cell panel widgets, its test effect is accurate, error is little, and, by Reality simulation environment, by the impact of light and temperature, further accurately test has been done to single-crystalline-silicon solar-cell panel widgets, for user is correct and safe handling monocrystaline silicon solar cell plays certain directive function, its high-precision measurement can to improve in practice user to the certainty degree of product, cognition degree, thus improve the service efficiency of monocrystaline silicon solar cell, increase economic benefit.
This method test is simple, and result is accurate, full-automatic operation, reduces working strength.
Accompanying drawing explanation
Fig. 1 is solar panel widgets power with I-U change curve when radiation intensity and temperature variation.
Fig. 2 is the change curve of solar panel widgets power and temperature under the state of constant radiant source.
Fig. 3 is the change curve of solar panel widgets power and radiation intensity under temperature constant state.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is further described.
Adopt electronic load instrument to measure a method for cell panel widgets power, comprise step:
(1) select quality good, without damaging and the cell panel widgets of new production, reduce the error existed in test process;
(2) arranging radiation source is solar simulator, the change of temperature by arranging air-conditioning to regulate, realistic simulation true environment;
(3) an intensity of illumination tester and a temperature measuring device are set;
(4) power supply of cell panel widgets is accurately connected with electronic load instrument;
(5) unlocking electronic load meter display, open intensity of illumination tester button and temperature measuring device, this electronic load instrument has manual operation and conputer controlled to operate two kinds of modes simultaneously; If indicator lit, be then set as that computer terminal controls whole test process, manually invalid, if indicator lamp extinguishes, be then converted to the whole test process of Non-follow control;
(6) on the control panel of electronic load instrument, dynamic test is selected to operate, setting-up time is spaced apart 1s, test different time, radiation intensity and temperature strengthen electric current I value and the voltage U value of a series of change of lower cell panel widgets gradually, and are stored on pcs terminal equipment;
(7) intensity of illumination tester stores the intensity of illumination of a series of fluctuation, and record data are Lux
1, Lux
2, Lux
3lux
n, temperature measuring device stores the temperature of a series of fluctuation, and record data are T
1, T
2, T
3t
n;
(8) next some representative current value I are chosen according to the electric current I value fluctuated and voltage U value
1=0A, I
2=1.5A, I
3=3.0A, I
4=4.5A, I
5=6.0A, and choose corresponding magnitude of voltage U
1=0V, U
2=5V, U
3=10V, U
4=15V, U
5=20V, obtains a current-voltage curve, the peak power P of pcs terminal equipment display cell panel widgets
max=60W and minimum power P
min, minimum power P is not 0, as shown in Figure 1, when radiancy Lux and temperature T reaches maximum simultaneously, the power P of solar panel widgets reaches maximum, when radiation intensity Lux increases, when temperature T reduces, its power P reduces, when radiation intensity Lux weakens, when temperature T raises, its power P also reduces, therefore, maximum at radiation intensity Lux, simultaneous temperature T reach degree/day the highest time, the power P of this solar panel widgets then reaches maximum;
(9) radiation source that next setting is constant, radiation intensity is 800W/m
2, test battery plate widgets power is with the change of temperature T, and the numerical value of record test data T, T gets representative T
1=0 DEG C, T
2=10 DEG C, T
3=15 DEG C, T
4=20 DEG C, T
5=25 DEG C, T
6=30 DEG C, as shown in Figure 2, when radiation intensity Lux is constant, temperature T is higher, and power P is larger, and temperature T is lower, and power P is less;
(10) next setting stationary temperature is 25 DEG C, and measure the change of cell panel widgets power with radiation intensity Lux, the numerical value of record test data Lux, Lux gets representative Lux
1=0W/m
2, Lux
2=200W/m
2, Lux
3=400W/m
2, Lux
4=600W/m
2, Lux
5=800W/m
2, Lux
6=1000W/m
2, as shown in Figure 3, when temperature T is constant, radiation intensity Lux is larger, and power P is higher, and radiation intensity Lux is less, and power P is lower;
(11) disposal data, curve plotting I-U, Lux-P, T-P tri-change curves, as illustrated in the accompanying drawings from 1 to 3.
The present invention can also have many distortion, all distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, and all should think protection scope of the present invention.
Claims (4)
1. adopt electronic load instrument to measure a method for cell panel widgets power, it is characterized in that: comprise the following steps:
Selection quality is good, nothing is damaged and the cell panel widgets of new production;
Arranging radiation source is solar simulator, and the change of temperature is by arranging air-conditioning to regulate;
One intensity of illumination tester and a temperature measuring device are set;
The power supply of cell panel widgets is accurately connected with electronic load instrument;
Unlocking electronic load meter display, open intensity of illumination tester button and temperature measuring device, this electronic load instrument has manual operation and conputer controlled to operate two kinds of modes simultaneously;
The control panel of electronic load instrument is selected dynamic test operate, setting-up time is spaced apart 1s, the electric current I value of test different time, radiation intensity and a series of change of temperature lower mono-crystalline silicon solar panel widgets and voltage U value, and be stored on pcs terminal equipment;
Intensity of illumination tester stores the intensity of illumination of a series of fluctuation, and record data are Lux
1, Lux
2, Lux
3lux
n, temperature measuring device stores the temperature of a series of fluctuation, and record data are T
1, T
2, T
3t
n;
Some representative current value I are chosen according to the electric current I value fluctuated and voltage U value
1, I
2, I
3i
n, and choose corresponding magnitude of voltage U
1, U
2, U
3u
n, obtain a current-voltage curve, the peak power P of pcs terminal equipment display cell panel widgets
maxwith minimum power P
min;
Set constant radiation source, radiation intensity is 800W/m
2, test battery plate widgets power P with the change of temperature T, record test data;
(10) setting stationary temperature T is 25 DEG C, measures the change of cell panel widgets power P with radiation intensity Lux, record test data;
(11) disposal data, curve plotting.
2. the method for cell panel widgets power measured by employing electronic load instrument according to claim 1, it is characterized in that: in step (8), the selection range of current value I is between 1 ~ 10A, and the selection range of magnitude of voltage U is between 0 ~ 25V.
3. the method for cell panel widgets power measured by employing electronic load instrument according to claim 1, it is characterized in that: in step (9), the selection range of T value is between 0 ~ 35 DEG C.
4. the method for cell panel widgets power measured by employing electronic load instrument according to claim 1, it is characterized in that: in step (10), the selection range of Lux value is at 100 ~ 1200 W/m
2between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571076.5A CN104635038A (en) | 2013-11-15 | 2013-11-15 | Method for measuring small cell panel component by electronic load meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571076.5A CN104635038A (en) | 2013-11-15 | 2013-11-15 | Method for measuring small cell panel component by electronic load meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104635038A true CN104635038A (en) | 2015-05-20 |
Family
ID=53214007
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|---|---|---|---|
| CN201310571076.5A Pending CN104635038A (en) | 2013-11-15 | 2013-11-15 | Method for measuring small cell panel component by electronic load meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737889A (en) * | 2016-01-17 | 2016-07-06 | 国家电网公司 | Solar energy resource monitoring system based on Beidou satellite system |
| CN107290638A (en) * | 2017-06-14 | 2017-10-24 | 复旦大学 | A kind of Multifunction thermoelectric device test system |
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2013
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Patent Citations (6)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737889A (en) * | 2016-01-17 | 2016-07-06 | 国家电网公司 | Solar energy resource monitoring system based on Beidou satellite system |
| CN107290638A (en) * | 2017-06-14 | 2017-10-24 | 复旦大学 | A kind of Multifunction thermoelectric device test system |
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Application publication date: 20150520 |