CN106533360A - Portable outdoor power test device and test method for photovoltaic assemblies - Google Patents
Portable outdoor power test device and test method for photovoltaic assemblies Download PDFInfo
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- CN106533360A CN106533360A CN201610935589.3A CN201610935589A CN106533360A CN 106533360 A CN106533360 A CN 106533360A CN 201610935589 A CN201610935589 A CN 201610935589A CN 106533360 A CN106533360 A CN 106533360A
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000010998 test method Methods 0.000 title abstract description 8
- 230000000712 assembly Effects 0.000 title abstract 4
- 238000000429 assembly Methods 0.000 title abstract 4
- 230000001052 transient effect Effects 0.000 claims description 22
- 230000010354 integration Effects 0.000 claims description 10
- 241000208340 Araliaceae Species 0.000 claims description 6
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 6
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 6
- 235000008434 ginseng Nutrition 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- 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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- Photovoltaic Devices (AREA)
Abstract
The invention relates to a portable outdoor power test device for photovoltaic assemblies. The portable outdoor power test device comprises a reference photovoltaic assembly, a test module for collecting instantaneous maximum current and instantaneous maximum voltage of the assembly, an input port and a microprocessor, wherein the test module collects the instantaneous maximum current and the instantaneous maximum voltage of the reference photovoltaic assembly and a tested photovoltaic assembly separately and inputs the instantaneous maximum current and the instantaneous maximum voltage into the microprocessor; and the microprocessor calculates power of the tested photovoltaic assembly through a set formula and outputs the power to a display. Meanwhile, the invention further discloses an outdoor power test method for the photovoltaic assemblies. According to the portable outdoor power test device and the outdoor power test method, the photovoltaic assemblies can be measured in an outdoor changeable environment, the measurement result is accurate, each assembly does not need to be dismantled and transported, the operation is convenient, the labor cost and the transport and test cost are greatly reduced, and meanwhile, a strong guarantee is provided for power station evaluation and problem detection.
Description
Technical field
The present invention relates to a kind of tester for photovoltaic components device and its method of testing, more particularly to a kind of Portable photovoltaic module
Outdoor device for testing power and its method of testing, belong to technical field of photovoltaic module test.
Background technology
Solar energy have universality, with low cost, resource huge as clean energy resource and it is permanent exist etc. remarkable advantage, from
And cause the application of solar energy generation technology more and more universal.
At present, large-sized photovoltaic power station be typically all arranged on that solar energy resources is good, soil it is vast where, small distributed electricity
Standing on the user roof or elsewhere of be also generally installed at, if it is desired to demarcating component power, it is necessary to which one kind can measurement group out of doors
The tester of part power.Current method is by solar simulator or open air IV testers.But solar simulator
Can only apply indoors.The method of testing that outdoor IV testers are then combined by temperature, sunshine, but which is to test environment, group
Part relevant parameter all there are certain requirements, and cumbersome, high cost.
Due to the rapid expansion of power plant scale and quantity, the later stage seems more important for power station assessment.It is right in assessment
It is requisite that component carries out power calibration and attenuation analysis.So a set of test suite convenient and swift out of doors of invention
The instrument of power is just particularly important.
The content of the invention
The present invention is in order to overcome the deficiencies in the prior art, there is provided a kind of Portable photovoltaic module open air device for testing power and
Its method of testing, directly can carry out power calibration to photovoltaic module on the installation of photovoltaic module ground.
For this purpose, the present invention is adopted the following technical scheme that：
A kind of Portable photovoltaic module open air device for testing power, including：With reference to photovoltaic module, the instantaneous maximum current of acquisition component
Test module, input port and microprocessor with transient maximum voltage, the test module are gathered respectively with reference to photovoltaic group
The instantaneous maximum current and transient maximum voltage input microprocessor of part and tested photovoltaic module, microprocessor is by following public affairs
Formula calculates the power of tested photovoltaic module and exports to display：
The power of tested photovoltaic module=with reference to the generated energy/ginseng in the tested photovoltaic module certain time periods of power * of photovoltaic module
Examine the generated energy in the photovoltaic module correspondence time period；
Wherein, the generated energy in tested photovoltaic module certain time period is the integration to instantaneous power in this time period；It is tested
Photovoltaic module instantaneous power=instantaneous maximum current * transient maximum voltages；
It is the integration to instantaneous power in this time period with reference to the generated energy in the photovoltaic module correspondence time period；With reference to photovoltaic group
Part instantaneous power=instantaneous maximum current * transient maximum voltages.
Further, during test, the test module is simultaneously to measuring with reference to photovoltaic module and tested photovoltaic module.
A kind of another aspect of the present invention, there is provided photovoltaic module open air power testing method using above-mentioned test device,
Comprise the steps：
S1：The Portable photovoltaic module open air power test of the present invention will be respectively connected to reference to photovoltaic module and tested photovoltaic module
The different input ports of device；
S2：The test module of device for testing power starts simultaneously at collection with reference to photovoltaic module and the instantaneous maximum of tested photovoltaic module
Electric current and transient maximum voltage；
S3：The power of tested photovoltaic module is calculated as follows：
The power of tested photovoltaic module=with reference to the generated energy/ginseng in the tested photovoltaic module certain time periods of power * of photovoltaic module
Examine the generated energy in the photovoltaic module correspondence time period；
Wherein, the generated energy in tested photovoltaic module certain time period is the integration to instantaneous power in this time period；It is tested
Photovoltaic module instantaneous power=instantaneous maximum current * transient maximum voltages；
It is the integration to instantaneous power in this time period with reference to the generated energy in the photovoltaic module correspondence time period；With reference to photovoltaic group
Part instantaneous power=instantaneous maximum current * transient maximum voltages.
Further, during test, the test module is simultaneously to measuring with reference to photovoltaic module and tested photovoltaic module.
Using the portable photovoltaic open air power test instrument of the present invention, survey is also can guarantee that under changeable environment out of doors
The accuracy of examination.The component of outdoor installation, can be more effective by this tester, more efficiently measured power.Need not be to group
Part dismounting, transport, without loaded down with trivial details operating process.Cost of labor is greatly reduced, testing cost is transported.Comment for power station simultaneously
Estimate, problem detection provides strong guarantee, the place of the quick decision problem of energy.
Description of the drawings
Fig. 1, Fig. 2 are the structural representation of the Portable photovoltaic module open air device for testing power of the present invention.
Specific embodiment
In order that those skilled in the art are better understood from scheme of the invention, below in conjunction with specific embodiment and accompanying drawing,
Technical scheme to inventing carries out clear, complete description.
As shown in Figure 1 and Figure 2, Portable photovoltaic module of the invention open air device for testing power, including with reference to photovoltaic group
The test module of the instantaneous maximum current of part, acquisition component and transient maximum voltage, input port and microprocessor.Test module
It is divided into two-way circuit, respectively including Acquisition Circuit and electronic load, and collection refers to photovoltaic module and tested photovoltaic module respectively
Instantaneous maximum current and transient maximum voltage.The instantaneous maximum current and transient maximum voltage input that test module is collected is micro-
Processor, microprocessor calculate the power of tested photovoltaic module by formula and export to display.
After test starts, switch on power, pulse-triggered or switch open, two electronic loads start simultaneously at work, respectively
Measurement is calculated with reference to photovoltaic module and quilt by microprocessor with reference to photovoltaic module and the voltage x current of tested photovoltaic module
Survey the transient maximum voltage and instantaneous maximum current of photovoltaic module.Microprocessor goes out with reference to photovoltaic group according to the two numerical computations
The instantaneous power of part and tested photovoltaic module.Simultaneously instantaneous power value is stored in the microprocessor.Also have in microprocessor
The power of the reference photovoltaic module under standard conditions.By the test of a period of time, instantaneous power is integrated, is referred to
The generated energy of photovoltaic module and tested photovoltaic module within this period of time.By the inner equation of microprocessor：
The power of tested photovoltaic module=with reference to the generated energy/ginseng in the tested photovoltaic module certain time periods of power * of photovoltaic module
Examine the generated energy in the photovoltaic module correspondence time period；
Calculate MUT module under test performance number at the standard conditions.
The different input ports of this power measuring, acquisition system are respectively connected to reference to photovoltaic module and tested photovoltaic module
The voltage x current with reference to photovoltaic module and tested photovoltaic module is measured by adjusting electronic load, so as to obtain instantaneous maximum electricity
Stream and transient maximum voltage.
The display that the input of calculated power parameter is attached thereto by microprocessor, is shown by display and is measured
Value, can intuitively show test result very much.
Using the photovoltaic module open air power testing method of above-mentioned test device, comprise the steps：
S1：The Portable photovoltaic module open air power test of the present invention will be respectively connected to reference to photovoltaic module and tested photovoltaic module
The different input ports of device；
S2：The test module of device for testing power starts simultaneously at collection with reference to photovoltaic module and the instantaneous maximum of tested photovoltaic module
Electric current and transient maximum voltage；
S3：The power of tested photovoltaic module is calculated as follows：
The power of tested photovoltaic module=with reference to the generated energy/ginseng in the tested photovoltaic module certain time periods of power * of photovoltaic module
Examine the generated energy in the photovoltaic module correspondence time period；
Wherein, the generated energy in tested photovoltaic module certain time period is the integration to instantaneous power in this time period；It is tested
Photovoltaic module instantaneous power=instantaneous maximum current * transient maximum voltages；
It is the integration to instantaneous power in this time period with reference to the generated energy in the photovoltaic module correspondence time period；With reference to photovoltaic group
Part instantaneous power=instantaneous maximum current * transient maximum voltages.
During test, the test module is simultaneously to measuring with reference to photovoltaic module and tested photovoltaic module.
Test by contrast, photovoltaic module is surveyed using the Portable photovoltaic module open air device for testing power of the present invention
Examination, finds the resultant error very little of its test, can reach within 0.5%.
Claims (4)
1. a kind of Portable photovoltaic module open air device for testing power, including：With reference to photovoltaic module, the instantaneous maximum electricity of acquisition component
Stream and the test module of transient maximum voltage, input port and microprocessor, the test module are gathered respectively and refer to photovoltaic
The instantaneous maximum current and transient maximum voltage input microprocessor of component and tested photovoltaic module, microprocessor is by following
Formula calculates the power of tested photovoltaic module and exports to display：
The power of tested photovoltaic module=with reference to the generated energy/ginseng in the tested photovoltaic module certain time periods of power * of photovoltaic module
Examine the generated energy in the photovoltaic module correspondence time period；
Wherein, the generated energy in tested photovoltaic module certain time period is the integration to instantaneous power in this time period；It is tested
Photovoltaic module instantaneous power=instantaneous maximum current * transient maximum voltages；
It is the integration to instantaneous power in this time period with reference to the generated energy in the photovoltaic module correspondence time period；With reference to photovoltaic group
Part instantaneous power=instantaneous maximum current * transient maximum voltages.
2. Portable photovoltaic module according to claim 1 open air device for testing power, it is characterised in that：During test, institute
Test module is stated while to measuring with reference to photovoltaic module and tested photovoltaic module.
3. a kind of photovoltaic module open air power testing method using above-mentioned test device, comprises the steps：
S1：The Portable photovoltaic module open air power test of the present invention will be respectively connected to reference to photovoltaic module and tested photovoltaic module
The different input ports of device；
S2：The test module of device for testing power starts simultaneously at collection with reference to photovoltaic module and the instantaneous maximum of tested photovoltaic module
Electric current and transient maximum voltage；
S3：The power of tested photovoltaic module is calculated as follows：
The power of tested photovoltaic module=with reference to the generated energy/ginseng in the tested photovoltaic module certain time periods of power * of photovoltaic module
Examine the generated energy in the photovoltaic module correspondence time period；
Wherein, the generated energy in tested photovoltaic module certain time period is the integration to instantaneous power in this time period；It is tested
Photovoltaic module instantaneous power=instantaneous maximum current * transient maximum voltages；
It is the integration to instantaneous power in this time period with reference to the generated energy in the photovoltaic module correspondence time period；With reference to photovoltaic group
Part instantaneous power=instantaneous maximum current * transient maximum voltages.
4. photovoltaic module according to claim 1 open air power testing method, it is characterised in that：During test, the test
Module is simultaneously to measuring with reference to photovoltaic module and tested photovoltaic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610935589.3A CN106533360A (en) | 2016-11-01 | 2016-11-01 | Portable outdoor power test device and test method for photovoltaic assemblies |
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| CN201610935589.3A CN106533360A (en) | 2016-11-01 | 2016-11-01 | Portable outdoor power test device and test method for photovoltaic assemblies |
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| CN106533360A true CN106533360A (en) | 2017-03-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680250A (en) * | 2018-05-09 | 2018-10-19 | 山东辰宇稀有材料科技有限公司 | A method of measuring photovoltaic module power |
| CN109510594A (en) * | 2018-12-27 | 2019-03-22 | 山东辰宇稀有材料科技有限公司 | A kind of test equipment that open air high-precision photovoltaic plant is detected and demarcated |
| CN109756186A (en) * | 2018-12-26 | 2019-05-14 | 山东辰宇稀有材料科技有限公司 | A kind of test method that open air high-precision photovoltaic plant is detected and demarcated |
| CN110601657A (en) * | 2019-05-22 | 2019-12-20 | 上海钧正网络科技有限公司 | Solar panel power detection method and detection equipment |
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| CN103197259A (en) * | 2012-01-09 | 2013-07-10 | 深圳市英威腾电气股份有限公司 | Photovoltaic inverter testing device |
| CN103353576A (en) * | 2013-06-18 | 2013-10-16 | 中国电子科技集团公司第四十一研究所 | Photovoltaic module power generation measurement method based on volt-ampere characteristic curve |
| US9397610B2 (en) * | 2011-04-12 | 2016-07-19 | Lg Electronics Inc. | Photovoltaic module and control method thereof |
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2016
- 2016-11-01 CN CN201610935589.3A patent/CN106533360A/en active Pending
Patent Citations (5)
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| US9397610B2 (en) * | 2011-04-12 | 2016-07-19 | Lg Electronics Inc. | Photovoltaic module and control method thereof |
| CN103197259A (en) * | 2012-01-09 | 2013-07-10 | 深圳市英威腾电气股份有限公司 | Photovoltaic inverter testing device |
| CN102662139A (en) * | 2012-06-03 | 2012-09-12 | 成都聚合科技有限公司 | Light-emitting diode (LED) device with portable light source for testing high-concentration photovoltaic cell |
| CN102854447A (en) * | 2012-09-07 | 2013-01-02 | 倪峰 | Portable photovoltaic subassembly power testing instrument and testing method thereof |
| CN103353576A (en) * | 2013-06-18 | 2013-10-16 | 中国电子科技集团公司第四十一研究所 | Photovoltaic module power generation measurement method based on volt-ampere characteristic curve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680250A (en) * | 2018-05-09 | 2018-10-19 | 山东辰宇稀有材料科技有限公司 | A method of measuring photovoltaic module power |
| CN109756186A (en) * | 2018-12-26 | 2019-05-14 | 山东辰宇稀有材料科技有限公司 | A kind of test method that open air high-precision photovoltaic plant is detected and demarcated |
| CN109510594A (en) * | 2018-12-27 | 2019-03-22 | 山东辰宇稀有材料科技有限公司 | A kind of test equipment that open air high-precision photovoltaic plant is detected and demarcated |
| CN110601657A (en) * | 2019-05-22 | 2019-12-20 | 上海钧正网络科技有限公司 | Solar panel power detection method and detection equipment |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Applicant after: trina solar Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Applicant before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Applicant after: TRINASOLAR Co.,Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Applicant before: trina solar Ltd. |
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Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |