Michael Koehl

发表

Impact of heavy soiling on the power output of PV modules

Christian Schill, Stefan Brachmann, M Heck, 2011, Optics + Photonics for Sustainable Energy.

SHC 2013, International Conference on Solar Heating and Cooling for Buildings and Industry September 23-25, 2013, Freiburg, Germany Task 39 exhibition - Assembly of polymeric components for a new generation of sola r thermal energy systems

Stephan Fischer, Michael Koehl, Sandrin Saile, 2014 .

Indoor and outdoor weathering of PV-modules

Werner Herrmann, Karl-Anders Weiss, Michael Koehl, 2008, Optics + Photonics for Sustainable Energy.

Permeation impact on metallization degradation

Michael Koehl, C. Peike, S. Hoffmann, 2012, Optics + Photonics for Sustainable Energy.

Light-soaking and power measurements of thin film modules

Karl-Anders Weiss, Michael Koehl, Simon Kratochwill, 2009, Optics + Photonics for Sustainable Energy.

Task 39 Exhibition – Assembly of Polymeric Components for a New Generation of Solar Thermal Energy Systems☆

Stephan Fischer, Michael Koehl, Sandrin Saile, 2014 .

Development and application of a UV light source for PV-module testing

Michael Koehl, Daniel Philipp, Norbert Lenck, 2009, Optics + Photonics for Sustainable Energy.

Round-robin test results on the temperature stability of a black chrome coating

Michael G. Hutchins, Sakae Tanemura, Ulrich Frei, 1990, Other Conferences.

Characterization of a-C:H/W and a-C:H/Cr solar selective absorber coatings

Wolfgang Graf, Michael Koehl, S Brunold, 1994, Other Conferences.

Inter-laboratory comparison of UV-light sources for accelerated durability testing of PV modules

Karl-Anders Weiss, Michael Koehl, Daniel Philipp, 2011, Optics + Photonics for Sustainable Energy.

Thermal stability studies of paint coatings for solar collector panels

Zorica Crnjak Orel, Boris Orel, Ulrich Frei, 1992, Other Conferences.

Measurement and simulation of dynamic mechanical loads on PV-modules

Karl-Anders Weiss, Michael Koehl, Marcus Assmus, 2009, Optics + Photonics for Sustainable Energy.

UV spectral radiometer on filter-model basis (UV-SPRAFIMO)

Anton Kaifel, Peter Koepke, Uwe Feister, 2003, SPIE Optics + Photonics.

Accelerated degradation studies of encapsulation polymers

Karl-Anders Weiss, Michael Koehl, Daniel Philipp, 2008, Optics + Photonics for Sustainable Energy.

Application of advanced methods for durability assessment of new absorber coatings

Stefan Brunold, Bo Carlsson, Michael Koehl, 1995, Optics & Photonics.

Origin of damp-heat induced cell degradation

Michael Koehl, C. Peike, Benjamin Thaidigsmann, 2013 .

Evaluation of high‐temperature exposure of photovoltaic modules

Nick Bosco, David C. Miller, David Miller, 2011 .

Desert applications of PV modules

Michael Koehl, Elisabeth Klimm, Jan Herrmann, 2014, 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC).

Non-destructive degradation analysis of encapsulants in PV modules by Raman Spectroscopy

Michael Koehl, C. Peike, K.-A. Weiß, 2011 .

Non-destructive determination of the cross-linking degree of EVA by Raman Spectroscopy

Michael Koehl, K. Weiß, M. Koehl, 2014 .

Evaluation of the accelerated life testing conditions for PV-modules based on measured and simulated weathering stress

Michael Koehl, Markus Heck, Stefan Wiesmeier, 2011, 2011 37th IEEE Photovoltaic Specialists Conference.

Interlaboratory Study to Determine Repeatability of the Damp-Heat Test Method for Potential-Induced Degradation and Polarization in Crystalline Silicon Photovoltaic Modules

Govindasamy Tamizhmani, Peter Hacke, Matthias Ebert, 2015, IEEE Journal of Photovoltaics.

Moisture as stress factor for PV-modules

Michael Koehl, M. Koehl, 2013, 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC).

Investigation on the impact of macro- and micro-climate on the potential induced degradation

Michael Koehl, M. Koehl, S. Hoffmann, 2013, 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC).

Measurement and simulation of vibrations of PV‐modules induced by dynamic mechanical loads

Michael Koehl, Marcus Assmus, Steffen Jack, 2011 .

Modelling of conditions for accelerated lifetime testing of Humidity impact on PV-modules based on monitoring of climatic data

M Heck, Michael Koehl, M. Heck, 2012 .

Application of Future TerraSAR Data for Improvement of Forest Resource Assessments

Stefan Leyk, Michael Koehl, M. Koehl, 2002 .

Development of Transparent and Opaque Vacuum Insulation Panels for Energy Efficient Buildings

Michael Koehl, Can Erkey, Malcolm Rochefort, 2015 .

PV module lifetime prediction and quality assurance as addressed by SOPHIA

P. Malbranche, Jiang Zhu, Ralph Gottschalg, 2014 .