Programm Photovoltaik Ausgabe 2008 ... - Bundesamt für Energie BFE

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PERFORMANCE ISAAC ACTIVITIES Annual Report 2007 Eidgenössisches Departement für Umwelt, Verkehr, Energie und Kommunikation UVEK Office fédéral de l’énergie OFEN Author and Co-Authors Gabi Friesen Institution / Company SUPSI, DACD, ISAAC-TISO Address Via Trevano, 6952 Canobbio, Switzerland Telephone, E-mail, Homepage +41 058 666 63 57, gabi.friesen@supsi.ch, http://www.isaac.supsi.ch Project- / Contract Number n° 019718 EU: (SES6) – Integrated project Duration of the Project (from – to) 01.01.2006 - 31.12.2009 Date December 2007 ABSTRACT The PERFORMANCE project, started in January 2006, is a 4 year project of the 6 th European Framework programme. It covers all pre-normative aspects from photovoltaic module to system level and from instantaneous device characterisation and system measurement to their life-time performance prediction and assessment. The limitations of current indoor and outdoor calibration measurement technology will be investigated and precision will be improved, covering current technologies as well as new and advanced cell and module concepts. Methods will be developed to connect from measurements of module power to module energy production. In a third pillar, methodologies for the assessment of the life-time performance of PV modules will be developed. Based on all these work packages, a modelling and analysis programme will provide the analytical understanding of PV performance in the broad and systematic manner mentioned above. Following this work programme, the project will produce a consistent set of measurement and modelling methodologies to create the transparency needed for the European market and industry. Next to this significant scientific effort, intense involvement of all European companies along the value chain will be organised systematically through feedback loops. Project results will be fed directly into standardisation processes on CENELEC and IEC level. The project is divided into 8 sub-projects: SP1 Traceable performance measurement of PV devices SP2 Energy delivery of photovoltaic devices SP3 PV system performance evaluation SP4 Modelling and analysis SP5 Service life assessment of PV modules SP6 PV as a building product SP7 Industry interaction and dissemination SP8 Standardisation processes The ISAAC institute is official partner of SP1, SP2 and SP4 and collaborates in SP6. Moreover it’s work-package leader of SP4.4 entitled “Annual Energy Rating Production and Device Comparator”. The scope of this report is to present the institute activities of the second project year. General information about the project can be found under http://www.pv-performance.org Seite 169 von 288
1. Traceable performance measurement of PV devices (SP1) 1.2 ISAAC 2007 Activities (SP1) 1.2.1 Round Robin tests (WP1.1) Two round robins are planned within the first two years of the project. The first of two c-Si module measurement round robin has been successfully concluded in May 2007 and the results were published at different conferences. The first thin film round robin is still under progress and the final results will be available for the begin of 2008. Preliminary results have been already published at the German PV Module Workshop organised by TÜV in Köln. Our laboratory terminated all measurements and the data were delivered to the coordinator of the sub-project (TÜV). Table 1 shows the 6 laboratories which participated at the c-Si measurement campaign with the respective applied equipment and procedures. All main European PV module test laboratories are here involved. The variety of test procedures and measuring equipments among the different test laboratories was advantageous to the study and strengthen the results. Test laboratory Simulator type Procedure for STC performance measurement Arsenal Berger, PSS8 Outdoor calibration of Isc and I-V measurement with pulsed solar simulator Ciemat Belval, Pasan IIIb I-V measurement with pulsed solar simulator, outdoor measurement for verification of indoor results ISE Belval, Pasan IIIb I-V measurement with pulsed solar simulator, multiflash measurement if required (I-V segment), module SR measurement to compensate for spectral mismatch JRC Spectrolab, Indoor measurement of Isc and SR for all modules, outdoor I-V LAPSS measurement (Isc scaled to indoor measured and mismatch corrected Isc), for comparison also indoor I-V measurement SUPSI Belval, Pasan IIIa Single-flash I-V measurement with pulsed solar simulator for noncritical technologies, multiflash method for modules with high efficiency cells (1 data point per flash) TÜV OSRAM HMI I-V measurement with steady-state solar simulator, use of spec- 4000W trally matched reference devices (mini-modules) Table 1: Description of test equipment and methods in the participating test laboratories. Results of the c-Si Round Robin Table 2 shows the crystalline silicon technologies investigated within the first RR. The first 3 are modules with high cell efficiencies, the forth is made of EFG cells and the last contains 8-inch cells. Manufacturer Technology SunPower Corporation back contact cells Sanyo Electric Co. Ltd. HIT Microsol International LL Fze. Motech technology SCHOTT Solar EFG Qcells AG 8-inch cells Table 2: Cell technologies circulated within the c-Si round-robin test The measurements executed by ISAAC in 2006 have been already described in detail within the first annual report. The final results of the intercomparison are: Figure 1 shows the comparison of the maximum power measurements between the laboratories. The data are referred to the average of the test samples. The spread for reported Pmax values lies all in the range ±2%. The ISAAC institute confirmed so its comparability with the other laboratories. The absence of differences between “standard” and high efficiency cell technologies, as visible by figure 2, proves that adequate measurement methods for high-efficiency (high capacitive) modules exist in all laboratories. Especially in our case this result is very important as we are the laboratory with the solar simulator with the shortest light pulse (plateau of 1.2-2ms). Seite 170 von 288 PERFORMANCE, G. Friesen, ISAAC-TISO 2/8
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Forschung, April 2008 Programm Phot
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Programm Photovoltaik Ausgabe 2008
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T. Meyer ORGAPVNET: Coordination Ac
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PROGRAMM PHOTOVOLTAIK Eidgenössisc
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1. Programmschwerpunkte und anvisie
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Ein neues KTI-Projekt Flexible Phot
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In einem neuen, durch den Axpo Natu
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Performanz und Energieproduktion vo
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ERGÄNZENDE PROJEKTE UND STUDIEN En
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in diesem Projekt für die Koordina
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Introduction The work to be reporte
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International Cooperation Internati
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Introduction Dye-sensitized solar c
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Referenzen Eine vollständige Liste
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Introduction and Goals PV ERA NET i
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Databases have been developed for o
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