2Barlow R, McNelis B, Derrick A. Status and experience of solar PV pumping in developing countries [ C ]. In Proc. 10 Europe. PV Solar Energy Conf. , Lisbon, Por- tugal, 1991:1143-1146.
3Roger J A. Calculations and in Situ experimental data on a water pumping system directly connected to an 1/2 kW photovoltaic converter array[ C ]. Photovoltaie So- lar Energy Engineering Conference, Luxembourg, sept. , 1977:27-30.
4Appelbaum J. Staring and steady-state characteristic of DC motors powered by solar cell generators [ J ]. IEEE Transactions on Energy Conversion, 1986,1 ( 1 ) :23-29.
5Applebaum J. The quality of load matching in a direct- coupling photovoltaic system [ J ]. IEEE Transactions on Energy Conversion, 1987,2(4) :31-38.
6Singer S, Appelbaum J. Staring characteristics of direct current motors powered by solar cells [ J ]. IEEE Trans- actions on Energy Conversion, 1993,8 (1) :18-26.
7Zaki A, Eskander M. Matching of photovoltaic motor- pump systems for maximum efficiency operation [ J ]. Renewable Energy, 1996,7 (3) : 279-288.
8Betka A, Moussi A. Performance optimization of a pho- tovoltaic induction motor pumping system [ J ]. Renew- able Energy,2004,29( 3 ) :2167-2181.
9Swamy C, Singh B, Singh B P. Dynamic performance of a permanent magnet brushless DC motor powered by a PV array for water pumping [ J ]. Solar Energy Materials and Solar Cells, 1995,36 (5) : 187-200.
10Eskander M, Zaki A. A maximum efficiency photovol- taic induction motor pump system [ J ]. Renewable En- ergy,1997,10 ( 1 ) :53-60.
