1、 IEC 60904-9Edition 2.0 2007-10INTERNATIONAL STANDARD NORME INTERNATIONALEPhotovoltaic devices Part 9: Solar simulator performance requirements Dispositifs photovoltaques Partie 9: Exigences pour le fonctionnement des simulateurs solaires IEC60904-9:2007 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyr
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16、+41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60904-9Edition 2.0 2007-10INTERNATIONAL STANDARD NORME INTERNATIONALEPhotovoltaic devices Part 9: Solar simulator performance requirements Dispositifs photovoltaques Partie 9: Exigences pour le fonctionnement des simulateurs solaires INTERNATIONAL ELECTROTE
17、CHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE PICS 27.160 PRICE CODECODE PRIXISBN 2-8318-9347-X 2 60904-9 IEC:2007 CONTENTS FOREWORD.3 1 Scope and object5 2 Normative references .5 3 Terms and definitions .5 3.1 solar simulator.5 3.2 test plane 6 3.3 designated test area6 3.4 data sa
18、mpling time 6 3.5 data acquisition time .6 3.6 time for acquiring the I-V characteristic .6 3.7 effective irradiance6 3.8 spectral range .7 3.9 spectral match.7 3.10 non-uniformity of irradiance in the test plane .7 3.11 temporal instability of irradiance7 3.12 solar simulator classification8 4 Simu
19、lator requirements 8 5 Measurement procedures .9 5.1 Introductory remarks .9 5.2 Spectral match 9 5.3 Non-uniformity of irradiance on the test plane .10 5.4 Temporal instability of irradiance.11 5.4.1 Solar simulators for I-V measurement11 5.4.2 Solar simulators for irradiance exposure13 6 Name plat
20、e and data sheet.13 Bibliography15 Figure 1 Evaluation of STI for a long pulse solar simulator.12 Figure 2 Evaluation of STI for a short pulse solar simulator .12 Table 1 Global reference solar spectral irradiance distribution given in IEC 60904-37 Table 2 Definition of solar simulator classificatio
21、ns 8 Table 3 Example of solar simulator rating measurements.9 60904-9 IEC:2007 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PHOTOVOLTAIC DEVICES Part 9: Solar simulator performance requirements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardi
22、zation comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes Interna
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28、al or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition o
29、f this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct o
30、r indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable
31、for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60904-9 has bee
32、n prepared by IEC technical committee 82: Solar photovoltaic energy systems. This second edition cancels and replaces the first edition issued in 1995. It constitutes a technical revision. The main technical changes with respect to the previous edition are as follows: Added “Terms and definitions” c
33、lause Redefinition of solar simulator classification Added procedures for the measurement of classification parameters: Spectral match, temporal instability, non-uniformity of irradiance Provided details and guidance to address technology specific measurement effects The text of this standard is bas
34、ed on the following documents: 4 60904-9 IEC:2007 FDIS Report on voting 82/488/FDIS 82/498/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directiv
35、es, Part 2. A list of all parts of the IEC 60904 series, under the general title Photovoltaic devices, can be found on the IEC web site. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/
36、webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60904-9 IEC:2007 5 PHOTOVOLTAIC DEVICES Part 9: Solar simulator performance requirements 1 Scope and object IEC standards for pho
37、tovoltaic devices require the use of specific classes of solar simulators deemed appropriate for specific tests. Solar simulators can be either used for performance measurements of PV devices or endurance irradiation tests. This part of IEC 60904 provides the definitions of and means for determining
38、 simulator classifications. In the case of PV performance measurements, using a solar simulator of high class does not eliminate the need to quantify the influence of the simulator on the measurement by making spectral mismatch corrections and analyzing the influences of uniformity of irradiance of
39、the test plane and temporal stability on that measurement. Test reports for devices tested with the simulator shall list the class of simulator used for the measurement and the method used to quantify the simulators effect on the results. The purpose of this standard is to define classifications of
40、solar simulators for use in indoor measurements of terrestrial photovoltaic devices, solar simulators are classified as A, B or C for each of the three categories based on criteria of spectral distribution match, irradiance non-uniformity on the test plane and temporal instability. This standard pro
41、vides the required methodologies for determining the rating achieved by a solar simulator in each of the categories. This standard is referred to by other IEC standards in which class requirements are laid down for the use of solar simulators. Solar simulators for irradiance exposure should at least
42、 fulfil class CCC requirements where the third letter is related to long term instability. In the case of use for PV performance measurements, classification CBA is demanded where the third letter is related to the short term instability. 2 Normative references The following referenced documents are
43、 indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60904-3: Photovoltaic devices Part 3: Measurement principles for terrestrial photov
44、oltaic (PV) solar devices with reference spectral irradiance data 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 solar simulator A solar simulator can be used for two different applications: a) I-V measurement. b) Irradiance exposure. The eq
45、uipment is used to simulate the solar irradiance and spectrum. Simulators usually consist of three main components: (1) light source(s) and associated power supply; (2) any optics and filters required to modify the output beam to meet the classification requirements; 6 60904-9 IEC:2007 and (3) the n
46、ecessary controls to operate the simulator. Solar simulators shall be labelled by their mode of operation during a test cycle. These are steady state, single pulse, and multi-pulse. NOTE 1 Two types of solar simulators are commonly used to determine I-V characteristics: Steady-state and pulsed. The
47、pulsed solar simulators can be further subdivided into long pulse systems acquiring the total I-V characteristic during one flash and short pulse systems acquiring one I-V data point per flash. NOTE 2 Beside the light source, the lamp power supply and the optics, also the I-V data acquisition, the e
48、lectronic load and the operating software may be an integral part of the solar simulator. Requirements for the related measurement technique are included in other parts of the IEC 60904 series. 3.2 test plane the plane intended to contain the device under test at the reference irradiance level 3.3 d
49、esignated test area region of the test plane that is assessed for uniformity NOTE If required, typical geometries can be specified. A specification related to a circular geometry is also permitted. 3.4 data sampling time the time to take a single data set (irradiance, voltage, current). In the case of simultaneous measurement, this is given by the characteristic of the A/D converter. In the case of multiplexed systems the
