Hans Georg Beyer*, Gerd Heilschei*#, Stefan Bofinger#

*FB Elektrotechnik, Hochschule Magdeburg-Stendal (FH), D-39114 Magdeburg, Germany hans-georg. beyer@et. hs-magdeburg. de, fon: 0055 48 331 9379 216, fax: 0055 48 2345119 #meteocontrol GMbH, Stadtjagerstrasse 11, Augsburg, Germany.

Introduction

The EU-funded Project PVSat-2 aims at further development of procedures for the performance check of grid-connected PV-systems based on remotely sensed radiation data. Within this procedure a simple, but sufficiently performing model for the estimation of the MPP power output based on information of the irradiance input and the ambient temperature is required. Whereas in the forerunner of this project, PVSat, main emphasis was put on the modelling of modules with cells of the crystalline Silicon (cSi) type, PVSat-2 should cover the whole range of different cell technologies. Thus a model, able to reflect the efficiency characteristics of both the classic crystalline silicon and the various thin film technologies is required. In view of the handling of a big number of systems, the additional requirements to the model are the need of a restricted number of device specific input parameters only together with the ease of their determination.