1. PV Pumping Systems for domestic water supply. R. EYRAS O. PERPIÑÁN J. HUNGRÍA I.RAI Montalbán, 9. 28014 Madrid E-mail: isofoton@isofoton.com 19th European Photovoltaic Solar Energy Conference and Exhibition CASES OF STUDY

2. CONTENTS: Field experiences Hardware Evolution Bos Evolution Hydraulic Systems Evolution Conclusions Results

3. GENERAL LAYOUT

4. YearTypeMaroccoAlgeriaTunisia The Gambia (*) PV Generator kWpTotal kWpDelivery/Day m4 Status % 1996M21 1,50 756100 1996M32 2,264,522289100 1996M43 3,009,004398100 1996M52 3,767,523441100 1998M12 0,751,50445100 1998M21 1,50 510100 1998M33 2,266,783414100 1998M43 3,009,004820100 1998M61 5,26 3075100 2002/03P2 20,440,88552100 2002/03P4 31,985,943554100 2002/03P5 92,9726,7318526100 2002/03P6 33,9611,886900100 2002/03P7 25,2810,566453100 2002/03P8 15,94 4189100 2002/03P9 17,04 4750100 2002/03P10 37,9223,7616057100 2002/03P12 29,9019,8015420100 2003/04Meda 1503 1,6012,8084050 2003/04Meda 21045 3,0057,00174050 2003/04Meda 3511 4,5031,50261050 2003/04Meda 4954 8,50153,00550050 2002 10 1,1011,00400100 2003 10 1,1011,00400100 TOTAL kWp435,41

5. Hardware Evolution 1996 Solar Inverter + Solar Pump 1999 Frequency Converter + AC Centrifugal Pump + Control Board 2002 Frequency Converter + AC Centrifugal Pump + PLC

6. Bos Evolution: support structures 1996 Floor 1997 Roof 1999 Roof 2002 Roof Abdi Nilemchane Imzoughen

7. Hydraulic Systems Evolution 1996 Level Sensor Pressure Switch 1999 PLC “Overlevel” Pipe 2002 Programación Pressure Switch Marruecos Gambia Meda

8. RESULTS: Sizing Operation Social Aspects

9. Results 1

10. Results 2

11. Results 3

12. Conclusions Frequency Converters: –Reliability –Cost effective –Efficiency Sizing charts Social aspects: key point