1. AcadPV 10 AcadPV 10 kWp PV grid-connected system in Sofia,BG EC Project: PV Enlargement CL SENES – Sofia,BG Sofia Meeting 30 June

2. CL SENES – Sofia,BG Sofia Meeting 30 June Solar Potential: Location: CL SENES Building LA: N 42 o 42.399’ LO: E 23 o 18.830’ ALT: 551 m

3. CL SENES – Sofia,BG Sofia Meeting 30 June Electrical scheme:

4. CL SENES – Sofia,BG Sofia Meeting 30 June Expected Performance: 10 10 kWp PV => 13.2 MWh/ yr EC Joint Research Centre - ISPRA, Italy

5. CL SENES – Sofia,BG Sofia Meeting 30 June Design & Construction Aim: High Visual Impact

6. CL SENES – Sofia,BG Sofia Meeting 30 June Design & Construction: Final Vision

7. CL SENES – Sofia,BG Sofia Meeting 30 June Solar Generator: 10 kWp installed power

8. CL SENES – Sofia,BG Sofia Meeting 30 June PV Inverters & DC Wiring: Grid connection

9. Current Status: Meteo Data CL SENES – Sofia,BG Sofia Meeting 30 June

10. CL SENES – Sofia,BG Sofia Meeting 30 June Current Status: PV system Performance PV module: Readout 128 W PVsubfield2: Readout 2666 W

11. CL SENES – Sofia,BG Sofia Meeting 30 June Software Control Menus: PV system Configuration MPPTracking Range

12. CL SENES – Sofia,BG Sofia Meeting 30 June Main Results : 10 kWp PV array Control Electrometer Readings 1 st day of operation - 37 kWh/ day 1 st month of operation - 1210 kWh/ month Typical performance: ( PV subfield 2 - 3,3 kWp) Solar Generator : SP 3100-600 Inverter: SG Voltage: 317.2 V AC Voltage: 216.7 V SG Current: 8.94 A AC Current: 12.31 A Peak Readings: P max : 3132 W, V oc : 408.0 V, V MPPT : 318.3 V

13. CL SENES – Sofia,BG Sofia Meeting 30 June Current Problems: DL100 Data logger Communication Inverter Disconnection due to AC Grid Failure

14. CL SENES – Sofia,BG Sofia Meeting 30 June Local Grid Profile:

15. CL SENES – Sofia,BG Sofia Meeting 30 June Future Tasks: DAS installation, Seasonal Monitoring

16. CL SENES – Sofia,BG Sofia Meeting 30 June Conclusions: * 10 kWp PV system has been installed in BG * PV installation is connected to Low Voltage Public Grid * Excellent Performance and Trouble-free Operation * High Visual Impact