Technical Evaluation of a Low-cost, Low-power Photovoltaic Water Pumping DC System and Comparison Assessment with a Typical Marketed PV Pump

C PROTOGEROPOULOS and N TSELIKIS, The European Congress on Renewable Energy Implementation, Athens, Greece, 5-7 May 1997, pp. 743-754.14th EC Photovoltaic Solar Energy Conference, Barcelona, Spain, 30 June to 4 July 1997, Vol. II, pp. 2542-2545, ISBN 1-901675-02-7