Abstract
The combined efficiency i.e. electrical and thermal of a simple flat plate solar hybrid PV/T water/air collector system is low. Therefore above systems are commercially not viable till date. To make these systems commercially viable, development in the system configurations can be done by modifying PV absorber shape, size and materials, and also by attaching various types of diffuse reflectors or flat concentrators to the sides of commercial PV module. PV absorber surface design with various configurations such as simple open air channel, single pass with rectangular tunnel, spiral flow absorber collector, thin metallic sheet suspended at the middle of air channel, fins at the back wall of an air duct etc., are used in a simple flat plate solar hybrid PV/T water/air collector systems to enhance its system performance at one sun concentration and above. This article reviews a simple flat plate hybrid PV/T water/air collector systems with and without PV absorber surface design with various configurations as discussed above. Finally effect of attaching a flat concentrators or diffuse reflectors with unglazed and glazed surface on performance of these systems is also discussed and analyzed.
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