CN105553424A - Method for controlling assembly temperature in photovoltaic assembly temperature coefficient test - Google Patents
Method for controlling assembly temperature in photovoltaic assembly temperature coefficient test Download PDFInfo
- Publication number
- CN105553424A CN105553424A CN201510915855.1A CN201510915855A CN105553424A CN 105553424 A CN105553424 A CN 105553424A CN 201510915855 A CN201510915855 A CN 201510915855A CN 105553424 A CN105553424 A CN 105553424A
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- temperature
- photovoltaic module
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- assembly
- photovoltaic
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000007613 environmental effect Effects 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 239000000523 sample Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000011056 performance test Methods 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010248 power generation Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2642—Testing semiconductor operation lifetime or reliability, e.g. by accelerated life tests
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photovoltaic Devices (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a method for controlling assembly temperature in a photovoltaic assembly temperature coefficient test. The method includes the following steps that: step one, a photovoltaic assembly is arranged in an environmental test box; step two, temperature in the environmental test box is heated to test temperature through a heating device; step three, the photovoltaic assembly is stabilized for 50 min to 60 min under a set ambient temperature, so as to achieve thermal equilibrium; and step four, a photovoltaic assembly electrical performance testing system is utilized to perform power testing on the photovoltaic assembly under a test temperature condition. With the method adopted, the difference of detection temperature and the temperature of a power generation device in the assembly can be decreased as much as possible, and the working characteristics of the assembly at various temperature points can be tested more accurately, and rendered temperature coefficients more accord with the performance of the assembly in an actual work process, and the stability of a product can be judged more accurately.
Description
Technical field
The present invention relates to photovoltaic art, specifically a kind of method of control assembly temperature when photovoltaic module temperature coefficient is tested.
Background technology
Solar cell, also claims photovoltaic cell, is the semiconductor device that a kind of luminous energy of solar energy is converted into electric energy.Because of the environment-friendly products that it is green, can not cause environmental pollution, and be renewable resource, so under current energy starved situation, solar cell is a kind of novel energy having broad based growth future.
Solar battery sheet is made into solar photovoltaic assembly through a series of packaging technology.But manufacturing enterprise singly just will not manufacture, must consider that the solar photovoltaic assembly of oneself institute's development & production by relevant international norm certification and test, or can obtain relevant Valuation Standard code, just can be sold to the whole world.Therefore, need to carry out series of experiments to solar photovoltaic assembly at before sales, be commonly called as " reliability test ".Reliability test project has characteristic electron test, environmental test, mechanical test three major types, and what this design was invented is a kind of method for the test of photovoltaic module temperature coefficient.
With reference to ICE61215 standard 10.4 clause, change the temperature of assembly before and after needing in the test of photovoltaic module temperature coefficient at least 6 times, in this warm change process, easily cause the temperature difference between module outer surface and internal cell, thus cause test result inaccurate.Therefore, the method for a kind of effective control assembly temperature of necessary research and development eliminates temperature contrast inside and outside in its test process.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, the method of assembly temperature is controlled when providing a kind of photovoltaic module temperature coefficient to test, make photovoltaic module have eliminate the temperature contrast of interior exterior materials enough stabilization time at each temperature spot, allow and measure next photovoltaic module temperature coefficient true and accurate more.
Technical scheme: in order to realize above object, control the method for assembly temperature during a kind of photovoltaic module temperature coefficient test of the present invention, the concrete steps of this manufacture method are as follows:
A photovoltaic module is placed in environmental test chamber by (), test chamber inside dimension is 1.8m*1.5m*2.0m;
(b) by heater by heating temperatures in environmental test chamber to probe temperature;
C () photovoltaic module stablizes 50min ~ 60min at set environment temperature, reach heat balance;
(d) test by using photovoltaic module electric performance test system photovoltaic module to be carried out to power under the condition of probe temperature;
E () repeats 6 ~ 8 times to step b-d, complete test photovoltaic module being carried out to power, obtain performance number by under heating temperatures in environmental test chamber to the condition of probe temperature.
As present invention further optimization, the heater described in described step b is electric heater heater or illumination heater.
As present invention further optimization, the probe temperature in described step b is obtained by detection.
As present invention further optimization, the probe temperature described in described steps d is 25 DEG C ~ 50 DEG C, 25 DEG C ~ 60 DEG C, 25 DEG C ~ 70 DEG C or other temperature set as required.
Beneficial effect: the method controlling assembly temperature during a kind of photovoltaic module temperature coefficient test of the present invention, the method can reduce the temperature contrast of power generating component in detecting temperature and assembly as much as possible, test out the operating characteristic of assembly at each temperature spot more accurately, the temperature coefficient depicted more meets the performance in assembly practical work process, judges the stability of product accurately.
Accompanying drawing explanation
Fig. 1 is schematic flow sheet of the present invention;
Embodiment
Below in conjunction with drawings and Examples, illustrate the present invention further.
Embodiment 1
As shown in drawings, control the method for assembly temperature during a kind of photovoltaic module temperature coefficient test of the present invention, the concrete steps of this manufacture method are as follows:
A photovoltaic module is placed in environmental test chamber by (), test chamber inside dimension is 1.8m*1.5m*2.0m;
(b) by electrothermal heater by heating temperatures to 25 DEG C in environmental test chamber;
C () photovoltaic module stablizes 50min at set environment temperature, reach heat balance;
D (), by the test using photovoltaic module electric performance test system photovoltaic module to be carried out to power under the condition of 25 DEG C, obtains performance number;
E () first time repeats step b-d, complete test photovoltaic module being carried out to power, obtain performance number by under the condition of heating temperatures to 30 in environmental test chamber DEG C;
F () second time repeats step b-d, complete test photovoltaic module being carried out to power, obtain performance number by under the condition of heating temperatures to 34.8 in environmental test chamber DEG C;
……
(N) the 5th repeats step b-d, completes test photovoltaic module being carried out to power, obtain performance number by under the condition of heating temperatures to 50 in environmental test chamber DEG C.
Embodiment 2
As shown in drawings, control the method for assembly temperature during a kind of photovoltaic module temperature coefficient test of the present invention, the concrete steps of this manufacture method are as follows:
A photovoltaic module is placed in environmental test chamber by (), test chamber inside dimension is 1.8m*1.5m*2.0m;
(b) by illumination heater by heating temperatures to 25 DEG C in environmental test chamber;
C () photovoltaic module stablizes 60min at set environment temperature, reach heat balance;
D () completes test photovoltaic module being carried out to power in use photovoltaic module electric performance test system is under the condition of 25 DEG C, obtain performance number;
E () first time repeats step b-d, complete test photovoltaic module being carried out to power, obtain performance number by under the condition of heating temperatures to 30.2 in environmental test chamber DEG C;
F () second time repeats step b-d, complete test photovoltaic module being carried out to power, obtain performance number by under the condition of heating temperatures to 34.8 in environmental test chamber DEG C;
……
(N) repeat step b-d the 9th time, complete under the condition of heating temperatures to 70 in environmental test chamber DEG C test photovoltaic module being carried out to power, obtain performance number.
Embodiment 3
As shown in drawings, control the method for assembly temperature during a kind of photovoltaic module temperature coefficient test of the present invention, the concrete steps of this manufacture method are as follows:
A photovoltaic module is placed in environmental test chamber by (), test chamber inside dimension is 1.8m*1.5m*2.0m;
(b) by electrothermal heater or illumination heater by heating temperatures to 25 DEG C in environmental test chamber;
C () photovoltaic module stablizes 60min at set environment temperature, reach heat balance;
D () carries out the test of power by using photovoltaic module electric performance test system interior focusing photovoltaic assembly under the condition of 25 DEG C, obtain performance number;
E () first time repeats step b-d, complete test photovoltaic module being carried out to power, obtain performance number by under the condition of heating temperatures to 30.2 in environmental test chamber DEG C;
F () second time repeats step b-d, complete test photovoltaic module being carried out to power, obtain performance number by under the condition of heating temperatures to 34.9 in environmental test chamber DEG C;
……
(N) repeat step b-d the 7th time, complete under the condition of heating temperatures to 60 in environmental test chamber DEG C test photovoltaic module being carried out to power, obtain performance number.
Above-mentioned execution mode, only for technical conceive of the present invention and feature are described, its objective is to allow and is familiar with these those skilled in the art and can understands content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalents of making according to Spirit Essence of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (4)
1. control a method for assembly temperature during the test of photovoltaic module temperature coefficient, it is characterized in that: the concrete steps of this manufacture method are as follows:
A photovoltaic module is placed in environmental test chamber by (), test chamber inside dimension is 1.8m*1.5m*2.0m;
(b) by heater by heating temperatures in environmental test chamber to probe temperature;
C () photovoltaic module stablizes 50min ~ 60min at set environment temperature, reach heat balance;
(d) test by using photovoltaic module electric performance test system photovoltaic module to be carried out to power under the condition of probe temperature;
E () repeats 5 ~ 9 times to step b-d, complete test photovoltaic module being carried out to power, obtain performance number by under heating temperatures in environmental test chamber to the condition of probe temperature.
2. control the method for assembly temperature during a kind of photovoltaic module temperature coefficient test according to claim 1, it is characterized in that: the heater described in described step b is electrothermal heater or illumination heater.
3. control the method for assembly temperature during a kind of photovoltaic module temperature coefficient test according to claim 1, it is characterized in that: the probe temperature in described step b is obtained by detection.
4. control the method for assembly temperature during a kind of photovoltaic module temperature coefficient test according to claim 1, it is characterized in that: the probe temperature described in described steps d is 25 DEG C ~ 50 DEG C, 25 DEG C ~ 60 DEG C, 25 DEG C ~ 70 DEG C or other temperature set as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915855.1A CN105553424A (en) | 2015-12-11 | 2015-12-11 | Method for controlling assembly temperature in photovoltaic assembly temperature coefficient test |
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| CN201510915855.1A CN105553424A (en) | 2015-12-11 | 2015-12-11 | Method for controlling assembly temperature in photovoltaic assembly temperature coefficient test |
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| CN105553424A true CN105553424A (en) | 2016-05-04 |
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| CN201510915855.1A Pending CN105553424A (en) | 2015-12-11 | 2015-12-11 | Method for controlling assembly temperature in photovoltaic assembly temperature coefficient test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106301220A (en) * | 2015-06-10 | 2017-01-04 | 阿特斯(中国)投资有限公司 | Photovoltaic module temperature coefficient acquisition methods |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8294451B2 (en) * | 2007-12-03 | 2012-10-23 | Texas Instruments Incorporated | Smart sensors for solar panels |
| CN102955114A (en) * | 2011-08-21 | 2013-03-06 | 上海汉测试验设备有限公司 | Temperature coefficient test desk for solar cell module |
| CN203535882U (en) * | 2013-11-21 | 2014-04-09 | 常州信息职业技术学院 | Temperature rise experiment apparatus for photovoltaic module |
| CN204669310U (en) * | 2015-05-22 | 2015-09-23 | 徐州工程学院 | A kind of solar cell high/low temperature photovoltaic property test experimental bed |
| US20150280643A1 (en) * | 2014-03-28 | 2015-10-01 | David Okawa | Solar cell stringer calibrator |
-
2015
- 2015-12-11 CN CN201510915855.1A patent/CN105553424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8294451B2 (en) * | 2007-12-03 | 2012-10-23 | Texas Instruments Incorporated | Smart sensors for solar panels |
| CN102955114A (en) * | 2011-08-21 | 2013-03-06 | 上海汉测试验设备有限公司 | Temperature coefficient test desk for solar cell module |
| CN203535882U (en) * | 2013-11-21 | 2014-04-09 | 常州信息职业技术学院 | Temperature rise experiment apparatus for photovoltaic module |
| US20150280643A1 (en) * | 2014-03-28 | 2015-10-01 | David Okawa | Solar cell stringer calibrator |
| CN204669310U (en) * | 2015-05-22 | 2015-09-23 | 徐州工程学院 | A kind of solar cell high/low temperature photovoltaic property test experimental bed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106301220A (en) * | 2015-06-10 | 2017-01-04 | 阿特斯(中国)投资有限公司 | Photovoltaic module temperature coefficient acquisition methods |
| CN106301220B (en) * | 2015-06-10 | 2018-04-13 | 阿特斯阳光电力集团有限公司 | Photovoltaic module temperature coefficient acquisition methods |
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