Abstract
Future space laboratories require large lightweight solar arrays in the multi-kilowatt range. The basic requirements for solar arrays for future missions and the optimum methods for their realization are described. Three basic candidate concepts are discussed and analysed: semi-flexible foldable arrays, flexible fold-out and roll-out arrays. The flexible roll-out solar array DORA, designed for a 9 kW-mission and presently built at AEG-Telefunken for qualification tests, is described in detail. This system is designed as a basic unit to be modularly integrated to cover the power demand of communication satellites up to extremely high power systems like space stations. A first and attractive application of the present DORA-array is proposed for advanced Space Lab missions with the purpose to increase the Space Lab power capability significantly.
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