WO2010058649A1 - 太陽電池評価装置および太陽電池評価方法 - Google Patents

太陽電池評価装置および太陽電池評価方法 Download PDF

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Publication number
WO2010058649A1
WO2010058649A1 PCT/JP2009/066105 JP2009066105W WO2010058649A1 WO 2010058649 A1 WO2010058649 A1 WO 2010058649A1 JP 2009066105 W JP2009066105 W JP 2009066105W WO 2010058649 A1 WO2010058649 A1 WO 2010058649A1
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WIPO (PCT)
Prior art keywords
solar cell
spectral
irradiance
measured
light
Prior art date
Application number
PCT/JP2009/066105
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English (en)
French (fr)
Japanese (ja)
Inventor
宜弘 西川
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コニカミノルタセンシング株式会社
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Filing date
Publication date
Application filed by コニカミノルタセンシング株式会社 filed Critical コニカミノルタセンシング株式会社
Priority to US13/129,770 priority Critical patent/US8918298B2/en
Priority to JP2010539183A priority patent/JP5223928B2/ja
Priority to EP09827430.1A priority patent/EP2355164A4/de
Publication of WO2010058649A1 publication Critical patent/WO2010058649A1/ja

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    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
    • G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
    • G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
    • 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

Definitions

  • the present invention relates to an apparatus and a method for evaluating a solar cell.
  • the Air Mass 1.5 sunlight is sunlight when light (AM0) from outside the atmosphere enters at an angle of 42 degrees with respect to the ground surface, as shown in FIG.
  • AM0 light
  • FIG. 1 The Air Mass 1.5 sunlight is sunlight when light (AM0) from outside the atmosphere enters at an angle of 42 degrees with respect to the ground surface, as shown in FIG.
  • Patent Document 1 light from each light source is selectively transmitted / reflected by a wavelength-dependent mirror to a plurality of light sources (xenon light source and halogen light source) that emit light in different wavelength ranges,
  • a solar simulator configured to generate light having a spectrum similar to sunlight from ultraviolet to infrared by combining the transmitted / reflected light has been proposed.
  • the solar simulator has a built-in relative illuminance sensor, and the power generation amount due to the fluctuation of the light source is calibrated based on the detection result.
  • Patent Document 2 in order to correct the fluctuation in the amount of light of the solar simulator, the irradiance of the light source is measured, and the response characteristic of the illuminance measurement sensor is matched with the response characteristic of the solar cell itself. Light intensity fluctuation has been canceled.
  • Patent Document 1 and Patent Document 2 are both calibration methods using a single solar simulator.
  • the solar simulator has machine differences between manufacturers and the same manufacturer. Even if each of the solar simulators satisfies the above-mentioned characteristics, the power generation amount differs when measured with different solar simulators.
  • a battery evaluation apparatus and method is provided.
  • the spectral response P ( ⁇ ) in the solar cell to be measured is measured in advance, and the spectral irradiance L ( ⁇ ) of the illumination light is evaluated when evaluating the solar cell. Is measured, and the generated power EL of the solar cell with the illumination light is measured, and the measured generated power EL of the solar cell is irradiated with the irradiation light of the spectral irradiance S ( ⁇ ) by the reference sunlight. In this case, it is converted into generated power ES generated by the solar cell. For this reason, since the solar cell evaluation apparatus and measurement method according to the present invention perform calibration in software, even if the type of solar cell changes, calibration can be performed easily and without cost.
  • FIG. 1 is a block diagram showing a configuration of a solar cell evaluation apparatus 1 according to an embodiment of the present invention.
  • a conventional solar simulator (illumination light source) 3 that generates light simulating the reference sunlight defined in the JIS standard (C8912) and irradiates the solar cell 2 to be measured
  • the spectral radiation meter 4 that can capture the light irradiated by the solar simulator 3 and monitors its spectral spectrum and irradiance, and the power for measuring the power generated by the solar cell 2 by the light irradiated from the solar simulator 3 It comprises a total of 5 and a control unit 6 that is a calculation means.
  • the spectral irradiance L ( ⁇ ) of the solar simulator (illumination light source) 3 is the standard defined in the JIS standard (C8912) as in the past. Rather than trying to match the spectral irradiance S ( ⁇ ) of sunlight under the irradiance of 1000 W / m 2 with hardware with an error of 0, the error and the light quantity fluctuation of the solar simulator 3 are spectrally radiated. A total of 4 monitors sequentially, and the controller 6 calibrates with software. There are cases where the illumination light source alone is a solar simulator and cases where the entire system including the solar battery power generation amount measurement system is a solar simulator. In this embodiment, the former is used. .
  • a mirror 7 is interposed in the optical path from the solar simulator (illumination light source) 3 to the solar cell 2, and the mirror 7 reflects a part of the light irradiated by the solar simulator 3 (for example, passes 99%). 1% is reflected) and incident on the spectral radiometer 4, and the spectral spectrum and irradiance, that is, the spectral irradiance L ( ⁇ ) are monitored. Data of the spectral irradiance L ( ⁇ ) thus obtained is input to the control unit 6.
  • data of the spectral irradiance S ( ⁇ ) shown in FIG. 6 by the reference sunlight is also input to the control unit 6 via the recording medium 8 or the like.
  • the spectral response P ( ⁇ ) is measured in advance by the spectral response measuring instrument 9, and the measurement result is sent to the control via the recording medium 10 or the like. Input to unit 6.
  • the control unit 6 determines that the solar cell 2 having the spectral response P ( ⁇ ) is from the solar simulator 3.
  • the amount of power generated by the illumination light having the spectral irradiance L ( ⁇ ) is converted into the spectral irradiance S ( ⁇ ), that is, the generated power under the irradiance of 1000 W / m 2 of the reference sunlight. To do.
  • the conversion procedure is as follows.
  • the spectral response of the solar cell 2 measured in advance as described above is P ( ⁇ )
  • the spectral irradiance of the irradiation light of the solar simulator 3 actually measured by the spectroradiometer 4 is L ( ⁇ ).
  • the spectral irradiance of the reference sunlight given as numerical data is S ( ⁇ )
  • the value based on the conversion coefficient of the solar cell 2 is k
  • the measurement result of the wattmeter 5 is EL
  • the generated power under the irradiance of 1000 W / m 2 of the reference sunlight can be obtained as described above.
  • the spectral sensitivity (spectral responsivity P ( ⁇ )) of a solar cell is determined by the material, but the amount of power generation and the like varies due to variations in film thickness and the like.
  • the value k based on the conversion coefficient is Change.
  • the conversion result of the generated power under the reference sunlight does not include the value k, and the influence due to such manufacturing variations can be eliminated.
  • FIG. 2 is a flowchart for explaining the estimation operation of the power generation amount ES under the reference sunlight as described above.
  • the solar simulator (illumination light source) 3 is turned on to start illumination.
  • the power generation amount EL of the solar cell 2 is measured by the wattmeter, and in parallel in step S3, the solar simulator 2 is operated by the spectroradiometer 4.
  • the spectral irradiance L ( ⁇ ) of the irradiation light 3 is measured.
  • step S11 the spectral response P ( ⁇ ) of the solar cell 2 is measured by the spectral response measuring device 9, and the measurement result is the control unit 6 together with the spectral irradiance S ( ⁇ ) of the reference sunlight.
  • step S4 the above calculation is performed based on the spectral irradiance L ( ⁇ ) of the irradiation light, and in step S5, the power generation amount ES under reference sunlight is obtained.
  • the spectral irradiance S ( ⁇ ) of the reference sunlight is that on the ground surface (AM1.5), but by changing the data of the spectral irradiance S ( ⁇ ), the control unit 6
  • the amount of power generation in the universe (AM0) or any area can also be calculated. That is, in JIS / IEC, the measurement with the reference sunlight is required, but the spectral irradiance of sunlight changes depending on the installation location of the solar cell 2.
  • the conventional solar simulator when obtaining the amount of power generation under a spectral irradiance different from that of the ground surface, it is necessary to measure using a solar simulator having a spectral irradiance suitable for each region and time.
  • the effect equivalent to having changed illumination light freely can be acquired only by changing the data of the spectral irradiance S ((lambda)) of reference
  • standard sunlight as mentioned above.
  • the spectral irradiance at the ground surface (AM1.5) in the temperate region and the spectral irradiance at the universe (AM0) are greatly different as shown in FIG.
  • this can be dealt with by software processing only by changing the data of the spectral irradiance S ( ⁇ ) of the reference sunlight.
  • FIG. 5 is a block diagram showing a configuration of a solar cell evaluation apparatus 21 according to another embodiment of the present invention.
  • This solar cell evaluation device 21 is similar to the above-described solar cell evaluation device 1, and corresponding portions are denoted by the same reference numerals and description thereof is omitted.
  • a spectral light source 23 capable of performing bright line irradiation on the solar cell 2 to be measured is incorporated.
  • the control part 26 which is a calculation means takes in the measurement result of the wattmeter 5 by the said bright line irradiation from the said spectral light source 23 as the said spectral response degree P ((lambda)) of the solar cell 2.
  • FIG. 1 is a block diagram showing a configuration of a solar cell evaluation apparatus 21 according to another embodiment of the present invention.
  • This solar cell evaluation device 21 is similar to the above-described solar cell evaluation device 1, and corresponding portions are denoted by the same reference numerals and description thereof is omitted.
  • the first measurement method is to perform monochromatic light irradiation (monochromatic light having a half width of 5 nm or less and sequentially irradiating light having a wavelength pitch of each monochromatic light of 25 nm), and the amount of power generated by the solar cell 2 is thereby obtained. Are obtained sequentially.
  • the second measurement method is to obtain the power generation amount of the solar cell 2 by performing the monochromatic light irradiation while irradiating the reference sunlight (white bias) from the illumination light source (solar simulator) 3. That is, the second measurement method is to maintain the solar cell 2 in the operating state by the white bias.
  • control part 26 takes in the measurement result of the wattmeter 5 by the said bright line irradiation as the said spectral response degree P ((lambda)), and like the above-mentioned solar cell evaluation apparatus 1, it is a solar cell in advance. It is possible to eliminate the need to measure the spectral response P ( ⁇ ) of 2.
  • a solar cell evaluation apparatus for evaluating a solar cell includes an illumination unit that irradiates a solar cell to be measured as illumination light with light simulating a predetermined reference sunlight, and a spectral spectrum of the illumination light And a spectral irradiance measuring unit that measures the spectral irradiance L ( ⁇ ) by monitoring the irradiance, a power measuring unit that measures the generated power of the solar cell by the illumination light, and a spectral response measured in advance
  • the generated electric power EL of the solar cell measured by the power measuring unit is converted into the spectral irradiance S ( ⁇ ) of the reference sunlight.
  • a calculation unit that converts the generated electric power ES generated by the solar cell when irradiated with irradiation light.
  • a solar cell evaluation method for evaluating a solar cell includes a step of obtaining a spectral response P ( ⁇ ) of the solar cell, and light simulating a predetermined reference sunlight. And measuring the spectral irradiance L ( ⁇ ) from the spectral spectrum and irradiance of the light generated as illumination light, irradiating the solar cell with the illumination light, and measuring the generated power EL of the solar cell.
  • the spectral irradiance L ( ⁇ ) of the solar simulator is the spectral irradiance under the irradiance of 1000 W / m 2 of the reference sunlight defined by the JIS standard.
  • the errors and the light amount fluctuation of the solar simulator are successively monitored and calibrated in software. That is, for example, the spectral response P ( ⁇ ) of the solar cell is measured in advance by a spectral response measuring instrument that measures the spectral response, and the solar cell is irradiated with illumination light having the spectral irradiance L ( ⁇ ).
  • the power generated by the solar cell is measured, and the measurement result is converted into the spectral irradiance S ( ⁇ ), that is, the generated power under the irradiance of 1000 W / m 2 of reference sunlight.
  • the spectral irradiance S ( ⁇ ) by giving numerical data of an arbitrary light source, for example, a D65 light source, to the spectral irradiance S ( ⁇ ), it is possible to calculate the amount of power generated when the solar cell is used with the arbitrary light source.
  • the spectral irradiance S ( ⁇ ) of the reference sunlight is on the ground surface (AM1.5), but the power generation amount in the universe (AM0) or any region can also be calculated.
  • spectral irradiance L ( ⁇ ), spectral irradiance S ( ⁇ ), and spectral response P ( ⁇ ) with respect to JIS standard (C8910) are ⁇ m ( ⁇ ), ⁇ s ( ⁇ ) and Q ( It shall be read as ⁇ ).
  • the generated electric power under the irradiance of 1000 W / m ⁇ 2 > of standard sunlight can be calculated
  • the spectral sensitivity (spectral responsivity P ( ⁇ )) of a solar cell is determined depending on the material, but the amount of power generation and the like is subject to manufacturing variations due to variations in film thickness and the like. Changes.
  • the conversion result k of the generated power under the reference sunlight does not include the conversion coefficient k, and the influence due to such manufacturing variations can be eliminated.
  • the solar cell evaluation device further includes a spectral light source capable of performing bright line irradiation on the solar cell to be measured, and the calculation unit is provided in the solar cell.
  • the measurement result measured by the power measuring unit is set as the spectral response P ( ⁇ ) of the solar cell.
  • the spectral light source which can perform a bright line irradiation with respect to the solar cell of a measuring object is provided, and a half value width is 5 nm or less from the spectral light source as prescribed
  • the monochromatic light, the wavelength pitch of each monochromatic light being sequentially irradiated with light of 25 nm, and the measurement result of the generated power measured by the power measuring unit thereby is taken as the spectral response P ( ⁇ ) of the solar cell.
  • the spectral response P ( ⁇ ) of the solar cell By taking in the calculation unit, it is possible to eliminate the need to measure the spectral response P ( ⁇ ) in advance.
  • a solar cell evaluation apparatus and a solar cell evaluation method for evaluating a solar cell can be provided.

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  • General Physics & Mathematics (AREA)
  • Photovoltaic Devices (AREA)
PCT/JP2009/066105 2008-11-19 2009-09-15 太陽電池評価装置および太陽電池評価方法 WO2010058649A1 (ja)

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Application Number Priority Date Filing Date Title
US13/129,770 US8918298B2 (en) 2008-11-19 2009-09-15 Solar cell evaluation device and solar cell evaluation method
JP2010539183A JP5223928B2 (ja) 2008-11-19 2009-09-15 太陽電池評価装置および太陽電池評価方法
EP09827430.1A EP2355164A4 (de) 2008-11-19 2009-09-15 Vorrichtung zur überprüfung einer solarbatterie und verfahren zur überprüfung einer solarbatterie

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JP2008-295499 2008-11-19
JP2008295499 2008-11-19

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WO2011114835A1 (ja) * 2010-03-15 2011-09-22 コニカミノルタセンシング株式会社 ソーラシミュレータ光量評価装置、ソーラシミュレータ光量評価方法、太陽電池評価装置および太陽電池評価方法
JP2011258750A (ja) * 2010-06-09 2011-12-22 Konica Minolta Sensing Inc 太陽電池測定用基準セル保護装置ならびにそれを用いる基準セル装置および光源システム
WO2012020542A1 (ja) * 2010-08-11 2012-02-16 コニカミノルタセンシング株式会社 光源評価装置および太陽電池評価装置
WO2012035694A1 (ja) * 2010-09-14 2012-03-22 コニカミノルタセンシング株式会社 太陽電池評価装置および光源評価装置
WO2012081149A1 (ja) * 2010-12-16 2012-06-21 コニカミノルタセンシング株式会社 分光感度測定装置、太陽電池評価装置、分光感度校正方法および分光放射照度校正方法
CN102520330A (zh) * 2011-12-01 2012-06-27 华中科技大学 太阳能电池光伏器件伏安特性测试系统
WO2012172767A1 (ja) * 2011-06-14 2012-12-20 コニカミノルタオプティクス株式会社 分光感度測定装置、および、分光感度測定方法
WO2013069228A1 (ja) * 2011-11-11 2013-05-16 コニカミノルタ株式会社 太陽電池評価装置、および太陽電池評価方法
WO2013084441A1 (ja) * 2011-12-05 2013-06-13 コニカミノルタ株式会社 太陽電池の分光感度測定装置
US20130194564A1 (en) * 2012-01-26 2013-08-01 Solarworld Industries America, Inc. Method and apparatus for measuring photovoltaic cells
EP2458393A3 (de) * 2010-08-31 2013-09-25 SCHOTT Solar AG Verfahren zur Bestimmung der Kenngrössen einer photovoltaischen Einrichtung

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CN104953949B (zh) * 2015-06-24 2017-12-29 陕西众森电能科技有限公司 一种太阳电池及太阳电池组件的电性能测试方法

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US9513159B2 (en) 2010-03-15 2016-12-06 Konica Minolta, Inc. Solar simulator light-amount evaluation apparatus, solar simulator light-amount evaluation method, solar cell evaluation apparatus, and solar cell evaluation method
JP5660127B2 (ja) * 2010-03-15 2015-01-28 コニカミノルタ株式会社 ソーラシミュレータの光量評価装置、および、ソーラシミュレータの光量評価方法
JP2011258750A (ja) * 2010-06-09 2011-12-22 Konica Minolta Sensing Inc 太陽電池測定用基準セル保護装置ならびにそれを用いる基準セル装置および光源システム
US20130169306A1 (en) * 2010-08-11 2013-07-04 Yoshihiro Nishikawa Light Source Evaluation Device and Solar Cell Evaluation Device
WO2012020542A1 (ja) * 2010-08-11 2012-02-16 コニカミノルタセンシング株式会社 光源評価装置および太陽電池評価装置
JP2012039036A (ja) * 2010-08-11 2012-02-23 Konica Minolta Sensing Inc 太陽電池評価装置およびそれに用いられる光源評価装置
EP2605291A4 (de) * 2010-08-11 2018-03-28 Konica Minolta Optics, Inc. Lichtquellenbewertungsvorrichtung und solarzellenbewertungsverfahren
US8729919B2 (en) 2010-08-11 2014-05-20 Konica Minolta Optics, Inc. Light source evaluation device and solar cell evaluation device
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