Results 261 to 270 of about 12,864,962 (300)

Regeneration of Potential Induced Degradation Affected Modules

2016
There are certain regeneration methods to recover photovoltaic modules which are affected with potential-induced degradation (PID) in a PV-plant. The aim of these investigations is to compare the effectiveness of the solutions of two well-established providers with the concept of grounding as well as a high voltage power supply, which will serve as a ...
Hinz, C., Koch, S., Weber, T., Berghold, J.   +3 more
openaire   +1 more source

Potential inhibitors of the ascorbate-induced β-glucan degradation

Food Chemistry, 2012
Abstract The effects of several radical scavengers and oxidation inhibitors on ascorbate-induced hydroxyl radicals, responsible for β-glucan oxidation, were studied by ESR spin trapping. The most effective compounds in decreasing the radical formation in β-glucan solutions were phytic acid, sulphite and enzymes (catalase and superoxide dismutase ...
Audrey M. Faure, Linda H. Münger, Laura Nyström   +2 more
openaire   +1 more source

Kinetic Description and Modeling of Potential Induced Degradation

2013
28th European Photovoltaic Solar Energy Conference and Exhibition; 3321 ...
Taubitz, C., Kröber, M., Schütze, M., Köntopp, M.B.   +3 more
openaire   +1 more source

A modeling framework for potential induced degradation in PV modules

SPIE Proceedings, 2015
Major sources of performance degradation and failure in glass-encapsulated PV modules include moisture-induced gridline corrosion, potential-induced degradation (PID) of the cell, and stress-induced busbar delamination. Recent studies have shown that PV modules operating in damp heat at -600 V are vulnerable to large amounts of degradation, potentially
Peter Bermel, Reza Asadpour, Chao Zhou, Muhammad A. Alam   +3 more
openaire   +1 more source

Survey of potential-induced degradation in thin-film modules

Journal of Photonics for Energy, 2015
CdTe and CIGS type modules were tested for potential-­‐induced degradation with positive and negative 1,000 V bias applied to the active cell circuit in an 85°C, 85% relative humidity environmental chamber. Both CdTe module types tested exhibited degradation under negative bias. I-­‐V curve data indicated the first module type was affected sequentially
Peter Hacke, Kent Terwilliger, Stephen H. Glick, Greg Perrin, John Wohlgemuth, Sarah Kurtz, Keith Showalter, John Sherwin, Eric Schneller, Stephen Barkaszi, Ryan Smith   +10 more
openaire   +2 more sources

Influence of Surface and Process Induced Defects on Potential-Induced Degradation and Regeneration

2013
28th European Photovoltaic Solar Energy Conference and Exhibition; 831 ...
Schütt, A., Carstensen, J., Wagner, J.-M., Föll, H.   +3 more
openaire   +1 more source

Oxygen Potential Gradient Induced Degradation of Oxides

Journal of the Korean Ceramic Society, 2012
In many applications of functional oxides originally homogeneous materials are exposed to gradients in the chemical potential of oxygen. Prominent examples are solid oxide fuel cells (SOFCs) or oxygen permeation membranes (OPMs). Other thermodynamic potential gradients are gradients of electrical potential, temperature or uni-axial pressure.
openaire   +1 more source

Investigations of Potential Induced Degradation of Silicon Photovoltaic Modules

2011
In the last few years, it became apparent that system voltage can lead to substantial long-term potential induced degradation (PID) of photovoltaic modules via shunting of the incorporated wafer based screen-printed solar cells. The leakage current from the module frames to the cells through the encapsulating material is supposed to cause this effect ...
Schütze, M., Junghänel, M., Friedrichs, O., Wichtendahl, R., Scherff, M., Müller, J., Wawer, P.   +6 more
openaire   +1 more source

Potential Induced Degradation Occurrence in Photovoltaic Power Plant

2017
This paper discusses a photovoltaic power plant affected by Potentially Induced Degradation (PID). In the work is presented the initial analysis of PID detection through the thermal image camera and subsequent examination of the extent of degradation on individual PV modules placed in the negative part of string WR14.
Hylsky, J., Strachala, D., Vanek, J., Mucha, J.   +3 more
openaire   +1 more source

Potential Induced Degradation Mechanism Observed at Module Level

2013
28th European Photovoltaic Solar Energy Conference and Exhibition; 2988 ...
Lin, C.-W., Tsai, Y.-L., Yang, C.-M., Su, T.-W., Huang, M.-Y., Wu, Z.C.   +5 more
openaire   +1 more source