CN105450175B - Test the device of photovoltaic power station component pollution - Google Patents
Test the device of photovoltaic power station component pollution Download PDFInfo
- Publication number
- CN105450175B CN105450175B CN201510881011.XA CN201510881011A CN105450175B CN 105450175 B CN105450175 B CN 105450175B CN 201510881011 A CN201510881011 A CN 201510881011A CN 105450175 B CN105450175 B CN 105450175B
- Authority
- CN
- China
- Prior art keywords
- photovoltaic module
- photovoltaic
- power station
- containment housing
- solar cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims description 22
- 210000004027 cell Anatomy 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000002000 scavenging effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000007 visual 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
A kind of device for testing photovoltaic power station component pollution of the present invention, it is characterised in that it includes the first photovoltaic module being adjacently positioned（1）And second photovoltaic module（2）, first photovoltaic module（1）Exposed to outdoor, second photovoltaic module（2）It is placed in a containment housing（3）It is interior, the containment housing（3）In the second photovoltaic module（2）Positive side is provided with chamber door（4）, the first photovoltaic module（1）And second photovoltaic module（2）Setting angle it is identical with power station square formation angle.The device of present invention test photovoltaic power station component pollution is with can accurately calculate photovoltaic plant scavenging period interval, so as to reach benefit highest advantage after power station operation expense and power station gene-ration revenue synthesis.
Description
Technical field
The present invention relates to a kind of device for testing photovoltaic power station component pollution, belong to photovoltaic plant area of maintenance.
Background technology
As the photovoltaic plant of green energy resource, increasing application has been obtained.The quantity and scale of photovoltaic plant are not yet
Disconnected increase.Because photovoltaic power station component is placed in field or roof for a long time, solar components surface is easy to stain dust, so as to drop
The light transmittance of low component glass, the generating efficiency in power station is influenceed very big.The partial occlusion thing masking of assembly surface can cause
The hot spot effect of component, generating efficiency is reduced, or even burn out component.Keep the surface cleaning of component, it is ensured that assembly surface
Glass there is higher light transmittance, improve the generating efficiency of component.Therefore for photovoltaic plant, the cleaning of component is one
The frequent and essential task of item.Determination component stains degree mainly by operation maintenance personnel visual observations, personnel's estimation at present
Differ greatly, for determination component, whether the cleaning lacks quantitative basis.Cleaning causes cleaning charge higher too early, increase operation
Maintenance cost, cleaning is later, and influenceing generated energy influences power station income.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided one kind can be accurately calculated between photovoltaic plant scavenging period
Every so as to reach benefit highest test photovoltaic power station component pollution after power station operation expense and power station gene-ration revenue synthesis
Device.
The object of the present invention is achieved like this：
A kind of device for testing photovoltaic power station component pollution, it is characterised in that it includes the first photovoltaic module being adjacently positioned
And second photovoltaic module, tested under the standard sun, the first photovoltaic module and all solar cells of the second photovoltaic module
Short circuit current, open-circuit voltage, fill factor, curve factor control described exposed to outdoor in identical scope, first photovoltaic module
Second photovoltaic module is placed in a containment housing, and the containment housing is provided with case in the positive side of the second photovoltaic module
, the second photovoltaic module being placed in after opening chamber door in containment housing can receive completely to be shined upon, and is not blocked by any,
Second photovoltaic module connects the first DC ammeter by the first wire, and second photovoltaic module is connected by the second wire
The second DC ammeter is connect, the second DC ammeter is located at outside containment housing, the first photovoltaic module, the second photovoltaic module and close
Closed box body is installed on support, and the setting angle of the first photovoltaic module and the second photovoltaic module is identical with power station square formation angle.
The solar cell of first photovoltaic module and the second photovoltaic module is preferably multi-disc composition.
The method that the device polluted using above-mentioned test photovoltaic power station component is tested is as follows：
Containment housing is in normally off, opposed the second photovoltaic module periodic cleaning in the inner, keeps the second photovoltaic group
The solar cell surface cleaning of part, the first photovoltaic module being placed in outside containment housing only clean when cleaning power station；
According to locality cleaning power station expense and the measuring and calculating of average daily generated energy, cleaned when having drawn when power station lower power production x% comprehensive
Close Income Maximum；
Periodically the solar cell of the solar cell to the first photovoltaic module and the second photovoltaic module carries out short circuit electricity
The test of stream：The short circuit current m of the solar cell of the first photovoltaic module 1 is tested, opens chamber door, the second photovoltaic module of test
The short circuit current n of solar cell；Calculate short circuit current reduce percentage be built photovoltaic power station power generation amount reduce percentage y%=（（n-
m）/n）* 100%, and y% will be worked as compared with x%, when when y% is more than x% first or will be greater than x%, the test on the same day
Number of days is the interval number of days for needing to clean photovoltaic plant.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention test photovoltaic power station component pollution device have can accurately calculate photovoltaic plant scavenging period interval,
So as to reach benefit highest advantage after power station operation expense and power station gene-ration revenue synthesis.
Brief description of the drawings
Fig. 1 is the structural representation under the chamber door open mode of the device of present invention test photovoltaic power station component pollution.
Fig. 2 is the structural representation under the chamber door closed mode of the device of present invention test photovoltaic power station component pollution.
Wherein：
First photovoltaic module 1
Second photovoltaic module 2
Containment housing 3
Chamber door 4
First wire 5
First DC ammeter 6
Second wire 7
Second DC ammeter 8.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of device for testing photovoltaic power station component pollution of the present invention, it includes adjacent cloth
The first photovoltaic module 1 and the second photovoltaic module 2 put, the power and short circuit of the first photovoltaic module 1 and the second photovoltaic module 2
Electric current is identical, and the solar cell of the first photovoltaic module 1 and the second photovoltaic module 2 is encapsulating material and photovoltaic after encapsulation
Power station is consistent with component package material.The solar cell of first photovoltaic module 1 and the second photovoltaic module 2 is preferably multi-disc group
Into, tested under the standard sun, 2 all solar cell short circuit currents of the first photovoltaic module 1 and the second photovoltaic module, open circuit
Voltage, fill factor, curve factor are controlled in identical scope.
Exposed to outdoor, second photovoltaic module 2 is placed in a containment housing 3 first photovoltaic module 1, described
Containment housing 3 is provided with chamber door 4 in 2 positive side of the second photovoltaic module, opens the be placed in after chamber door 4 in containment housing 3
Two photovoltaic modulies 2 can receive completely to be shined upon, and is not blocked by any.Second photovoltaic module 1 passes through the first wire 5
The first DC ammeter 6 is connected, second photovoltaic module 2 connects the second DC ammeter 8 by the second wire 7.Second is straight
Stream ammeter 8 is located at outside containment housing 3.First photovoltaic module 1, the second photovoltaic module 2 and containment housing 3 are installed on support
On, the setting angle of the first photovoltaic module 1 and the second photovoltaic module 2 is identical with power station square formation angle.
The method that the device polluted using above-mentioned test photovoltaic power station component is tested：
Containment housing 3 is in normally off, the opposed periodic cleaning of the second photovoltaic module 2 in the inner, keeps the second photovoltaic
The solar cell surface cleaning of component 2, the first photovoltaic module 1 being placed in outside containment housing 3 only clean when cleaning power station；
According to locality cleaning power station expense and the measuring and calculating of average daily generated energy, cleaned when having drawn when power station lower power production x% comprehensive
Close Income Maximum；
Periodically the solar cell of the solar cell to the first photovoltaic module 1 and the second photovoltaic module 2 carries out short circuit
The test of electric current：Average m is taken after testing the short circuit current of every piece of solar cell of the first photovoltaic module 1, opens chamber door 4, is surveyed
Average n is taken after trying the short circuit current of every piece of solar cell of the second photovoltaic module 2；It is light to calculate short circuit current and reduce percentage
Overhead utility generated energy reduction percentage y%=（（n-m）/n）* 100%, and y% will be worked as compared with x%, when y% is more than x% first
When or when will be greater than x%, the test number of days on the same day is the interval number of days for needing to clean photovoltaic module, it is achieved thereby that electric
Benefit supreme good after operation expense and the power station gene-ration revenue synthesis of standing.
Embodiment 1,
Installed in In A Certain Place of Xinjiang face power station, the second photovoltaic module periodic cleaning time interval is three days, for test short circuit
Current data is as follows：
According to locality cleaning power station expense and the measuring and calculating of average daily generated energy, the cleaning synthesis as power station lower power production x%=9%
Income Maximum, i.e., cleaning assembly at the 50th day.
Claims (2)
1. a kind of device for testing photovoltaic power station component pollution, it is characterised in that it includes the first photovoltaic module being adjacently positioned
(1) and the second photovoltaic module (2), tested under the standard sun, the first photovoltaic module (1) and the second photovoltaic module (2) institute
There are solar cell short circuit current, open-circuit voltage, fill factor, curve factor to control in identical scope, first photovoltaic module (1)
Exposed to outdoor, second photovoltaic module (2) is placed in a containment housing (3), and the containment housing (3) is in the second photovoltaic
Component (2) positive side is provided with chamber door (4), and the second photovoltaic module in containment housing (3) is placed in after opening chamber door (4)
(2) it can completely receive and shine upon, not blocked by any, first photovoltaic module (1) is connected by the first wire (5)
First DC ammeter (6), second photovoltaic module (2) connect the second DC ammeter (8) by the second wire (7), the
Two DC ammeters (8) are located at containment housing (3) outside, the first photovoltaic module (1), the second photovoltaic module (2) and containment housing
(3) it is installed on support, setting angle and the power station square formation angle phase of the first photovoltaic module (1) and the second photovoltaic module (2)
Together；
The method that the device of above-mentioned test photovoltaic power station component pollution is tested is as follows：
Containment housing is in normally off, opposed the second photovoltaic module periodic cleaning in the inner, keeps the second photovoltaic module
Solar cell surface cleans, and the first photovoltaic module being placed in outside containment housing only cleans when cleaning power station；
According to locality cleaning power station expense and the measuring and calculating of average daily generated energy, cleaning synthesis when having drawn when power station lower power production x%
Income Maximum；
Periodically the solar cell of the solar cell to the first photovoltaic module and the second photovoltaic module carries out short circuit current
Test：The short circuit current m of the solar cell of the first photovoltaic module 1 is tested, opens chamber door, tests the sun of the second photovoltaic module
The short circuit current n of energy battery；It is that built photovoltaic power station power generation amount reduces percentage y%=((n- to calculate short circuit current and reduce percentage
M)/n) * 100%, and y% will be worked as compared with x%, when y% is more than x% first, the test number of days on the same day is to need
Clean the interval number of days of photovoltaic plant.
A kind of 2. device for testing photovoltaic power station component pollution according to claim 1, it is characterised in that the first photovoltaic group
The solar cell of part and the second photovoltaic module forms for multi-disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510881011.XA CN105450175B (en) | 2015-12-04 | 2015-12-04 | Test the device of photovoltaic power station component pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510881011.XA CN105450175B (en) | 2015-12-04 | 2015-12-04 | Test the device of photovoltaic power station component pollution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105450175A CN105450175A (en) | 2016-03-30 |
| CN105450175B true CN105450175B (en) | 2018-03-02 |
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ID=55560044
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510881011.XA Expired - Fee Related CN105450175B (en) | 2015-12-04 | 2015-12-04 | Test the device of photovoltaic power station component pollution |
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| Country | Link |
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| CN (1) | CN105450175B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788251A (en) * | 2016-12-20 | 2017-05-31 | 杭州华电双冠能源科技有限公司 | A kind of peasant household house roof photovoltaic power station detecting system and detection method |
| CN110350865A (en) * | 2019-07-16 | 2019-10-18 | 中节能平罗光伏农业科技有限公司 | Unit clean degree monitoring device and monitoring method |
| JP7008304B2 (en) * | 2020-09-29 | 2022-01-25 | 独立行政法人国立高等専門学校機構 | Detection device and system |
| CN115378362A (en) * | 2022-04-11 | 2022-11-22 | 阳光智维科技有限公司 | Dust monitoring device, method and non-volatile storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202275150U (en) * | 2011-09-16 | 2012-06-13 | 苏州大学 | Solar battery dust monitor device |
| KR101238211B1 (en) * | 2011-06-28 | 2013-02-28 | 주식회사 케이디파워 | Cooling and cleaning apparatus of photovoltaic power generation |
| DE102011051112B4 (en) * | 2011-06-05 | 2015-01-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for measuring the high-voltage degradation of at least one solar cell or a photovoltaic module and its use |
| CN204539072U (en) * | 2015-03-10 | 2015-08-05 | 内蒙古神舟光伏电力有限公司 | A kind of photovoltaic power station component cleaning checkout gear |
| CN205283490U (en) * | 2015-12-04 | 2016-06-01 | 海润光伏科技股份有限公司 | Device that test photovoltaic power plant subassembly pollutes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110012635A1 (en) * | 2009-07-15 | 2011-01-20 | Applied Materials, Inc. | Wet high potential qualification tool for solar cell fabrication |
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2015
- 2015-12-04 CN CN201510881011.XA patent/CN105450175B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011051112B4 (en) * | 2011-06-05 | 2015-01-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for measuring the high-voltage degradation of at least one solar cell or a photovoltaic module and its use |
| KR101238211B1 (en) * | 2011-06-28 | 2013-02-28 | 주식회사 케이디파워 | Cooling and cleaning apparatus of photovoltaic power generation |
| CN202275150U (en) * | 2011-09-16 | 2012-06-13 | 苏州大学 | Solar battery dust monitor device |
| CN204539072U (en) * | 2015-03-10 | 2015-08-05 | 内蒙古神舟光伏电力有限公司 | A kind of photovoltaic power station component cleaning checkout gear |
| CN205283490U (en) * | 2015-12-04 | 2016-06-01 | 海润光伏科技股份有限公司 | Device that test photovoltaic power plant subassembly pollutes |
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| Publication number | Publication date |
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| CN105450175A (en) | 2016-03-30 |
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