Programm Photovoltaik Ausgabe 2009 ... - Bundesamt für Energie BFE

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Eidgenössisches Departement für Umwelt, Verkehr, Energie und Kommunikation UVEK Bundesamt für Energie BFE SOS-PVI - SECURITY OF SUPPLY PHOTO- VOLTAIC INVERTER COMBINED UPS, POWER QUALITY AND GRID SUPPORT FUNCTION IN A PHOTO- VOLTAIC INVERTER FOR WEAK LOW VOLTAGE GRIDS Annual Report 2008 Author and Co-Authors Patrick Gaillard Institution / Company Maxwell Technologies SA Address Route Montena 65, CH - 1728 Rossens Telephone, E-mail, Homepage +41 (0) 26 411 85 39, pgaillard@maxwell.com, www.maxwell.com Project- / Contract Number SES6-CT-2005-019883- SOS-PVi Duration of the Project (from – to) 01.10.2005 - 31.12.2008 Date December 2008 ABSTRACT The SoS-PVi project aims at developing an inverter, dedicated to the injection of photovoltaic energy into low voltage grids, with special features so that first, the impact on the grid of the very quick fluctuations of sun irradiation is minimised and even more, the PV system provides grid support on demand and secondly, the end user is protected against poor power quality and outages of the grid. 225/290
Objectives SoS-PV (Security of Supply with PV inverter) project intended to: � Minimise the impact of PV systems on the grid operation and planning, � Insure security and quality of electricity supply to houses and buildings with PV installations, � Increase performance ratio of PV systems, � Increase penetration of PV in the networks. In order to meet these global objectives, the target of the project is the production of a PV inverter with UPS functionalities basing on two different technologies for the storage system: � A system based on a lithium-ion battery bank, � A hybrid storage system, including a lead-acid battery bank, a supercapacitor and the electronic device to manage them. In addition detailed objectives are listed: � The SoS-PV inverter including storage function will be validated on 4 prototypes, which will then be available for demonstration systems, � The SoS-PV inverter will prove to be less than 30% more expensive than conventional PV inverters (excepting storage components), to have a low environmental impact, high energy efficiency and to maximise the PV production in comparison to conventional PV inverters, � The feasibility of additional functionalities will be studied, e.g. for integration in virtual power plants, � Barriers to the exploitation of the full benefits of the SoS-PV inverter will be identified. Work performed and achieved results A market study was performed with collection of data on weak grids in Europe (load profiles, grid quality), estimation of market potential for small scale distributed generation and grid stabilization systems in Europe, especially considering power and storage capacity provided. From the study of the national load profiles on the electricity network and of the irradiation curves, it was clear that for reaching a high penetration of PV energy, it will be necessary to delay the injection to peak load periods. The next figure shows the profile of a real consumption (data presented as 0/00 of simultaneity of the MV-LV transformer) as well as the simulation of the consumption with 10, 20 and 30% PV penetration and the average value of the daily consumption in the 3 scenarios. The load profile is representative of a mixed urban area with households and small businesses, during a winter day, in Spain. 0/00 simultaneity of the MV/LV transformer 900 800 700 600 500 400 300 200 100 Réal consumption Average real 10% PV penetration Average 10% penetration 20% PV penetration Average 20% PV penetration 30% PV penetration Average 30% PV penetration 0 00:00 02:00 04:00 06:00 08:00 10:00 12:00 Day hours 14:00 16:00 18:00 20:00 22:00 00:00 Figure 1: Load curve in an urban area in Spain: real, with 10 to 30% PV penetration and average on the day SOS-PVI, P. Gaillard, Maxwell Technologies 226/290 2/8
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Forschung, April 2009 Programm Phot
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Programm Photovoltaik Ausgabe 2009
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B. Ruhstaller, R. Häusermann, N. A
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PROGRAMM PHOTOVOLTAIK Eidgenössisc
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1. Programmschwerpunkte und anvisie
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Eine zweite Kategorie von Projekten
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Im Integrierten EU-Projekt ATHLET [
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Figur 3: Prototyp eines monolithisc
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SOLARMODULE UND GEBÄUDEINTEGRATION
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BEGLEITENDE THEMEN Das PSI beteilig
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Programme abgeschlossen. Die erste
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Messkampagnen - Messkampagne Wittig
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zielführend eingesetzt werden. Das
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[43] P. Renaud, L. Perret, (pierre.
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11. Verwendete Abkürzungen (inkl.
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D. Güttler, S. Bücheler, S. Seyrl
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Goals of the project The global pro
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1.2. Comparison of ZnO and SiOx int
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2. Processes 2.1. Microcrystalline
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3.2. Amorphous/amorphous silicon ta
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Fig.14: TEM cross section microcrys
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EQE 1.0 0.8 0.6 0.4 0.2 12.4 11.7 1
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4.7 Summary and perspectives for wo
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Acknowledgements We thank all the P
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Goals of the project The goals of t
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Eidgenössisches Departement für U
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3/3 on the front side. All the laye
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Introduction / Project Goals Prior
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3/4 Effective light trapping scheme
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Département fédéral de l’envir
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3/6 The Athlet consortium comprises
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5/6 Large area thin-film silicon ce
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3/4 Der verbesserte Lichteinfang is
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3/5 Results Microstructure characte
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5/5 Mechanical testing: The mechani
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Introduction / Project goals The fo
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Optimization of CdS chemical bath d
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Fig. 5: J-V curve (left) and extern
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3/7 Work performed and results achi
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5/7 Fig. 3: Raman spectra recorded
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7/7 Measurements of solar cells per
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Introduction / project objectives T
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Optimum Na dosage Sodium layer with
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application might become more impor
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In a second experiment the amount o
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3/9 After optimizing the In2S3 buff
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5/9 Indium sulfide layer characteri
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7/9 3) Semitransparent CIGS solar c
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9/9 Steps towards multi-junction so
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Figure 2: SEM picture of laser-abla
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Work progress and achievements duri
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Furthermore, with a good reproducib
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Main achievements - The association
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Introduction Dye-sensitized solar c
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3/4 So far, experiments were perfor
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3/5 Tasks of the collaboration part
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5/5 Figure 4: Maximum achievable sh
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Project Goals The goal is the estab
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Evaluation 2008 and Outlook 2009 L'
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Project Goals NAPOLYDE industrials
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� Organic large solar panel and
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Materials such as the conductive ca
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National and international collabor
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Project Goals The aim of FULLSPECTR
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In addition, every two years, the P
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The table below show the change of
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The table below shows the change of
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4. The UV-A tests with PMMA films c
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Introduction / Project Goals The co
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Fig. 4. Schematic illustration of a
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THINPV Eidgenössisches Departement
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3/6 IR laser source Pumping line IR
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5/6 Figure 2: Scheme of a monolithi
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5/5 Figure 2: Example of forecasted
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2/6 Einleitung / Projektziele Der r
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4/6 Die Technical Standards (TS) zu
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6/6 Im Jahr 2008 neu publizierte No
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Introduction and Goals PV ERA NET i
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Operational Level The networking ac
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Topical Areas: Complementarities, G
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International Cooperation According
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Programm Photovoltaik Ausgabe 2009 ... - Bundesamt für Energie BFE

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