9 Basic PV (Solar Electric) Fall 2015
-
Upload
lonnie-gamble -
Category
Education
-
view
290 -
download
0
Transcript of 9 Basic PV (Solar Electric) Fall 2015
Lecture 7Solar Electric Configuration
E-101 - Energy and Sustainability Professor Lonnie Gamble
Sustainable Living Department Maharishi University of Management
This presentation was prepared on solar powered computers
Sunlight to Electricity in 1839
How a solar cell works
• https://www.youtube.com/watch?v=K76r41jaGJg
• http://video.pbs.org/video/980039287
• Saved by the Sun
Solar cellSolar Cell
Solar panel: Number of Cells = Battery voltage x 3
Ex: Charge 12 volt battery:12 x 3= 36 cells
Photovoltaics: Sunlight Directly Into Electricity
PV Specs
Suntech 170
Open Circuit Voltage Voc 44 voltsShort Circuit current Isc 5.4 ampsPeak Power Voltage Vpp 35.6 voltsPeak Power Current Ipp 5.05 amps
Basic Configurations
PV Direct
Water Pumping SystemBullock Brothers Farm, Orcas Island, Washington
Off-Grid
Hybrid
• Ecovillage system diagram• Solar wind hydro• BGS campus system photos
SEED (Sustainability Education and Enterprise Development) Center
Grid Tie – BatteriesAlaska Project Interior/exterior
Grid Tie – No Batteries
Inverter Specs
PV Specs
Suntech 170
Open Circuit Voltage Voc 44 voltsShort Circuit current Isc 5.4 ampsPeak Power Voltage Vpp 35.6 voltsPeak Power Current Ipp 5.05 amps
• Maharishi School Solar
Add Brian in hole and brian welding rack
Maharishi School Solar
DC Disconnect
Inverter (SMA Sunny Boy)
Meter
AC Disconnect
Microinverter Grid Tie
Natural Energy Lab of Hawaii AuthorityNELHA
North Kona, Big Island , Hawaii
American Wire Gauge