Stand-Alone PV Systems, Part 2 Session 20a Stand-Alone PV Systems, Part 2 Design Considerations – Residential Scale November 10, 2015

Session 20 content Stand-Alone ResidentialPV Systems Scale of stand-alone systems Design basics Inverter and battery selection BOS components

Learning Outcomes An examination of the original photovoltaic systems at the residential scale.

Stand-Alone PV Systems – The Design Process Design steps in a stand-alone PV system Examination of site and estimation of performance Securing financing Carrying out PV system engineering and design Electrical loads (DC and/or AC) Connection to charge controllers and batteries Selection of inverter and BOS Securing relevant permits Construction Inspection Performance monitoring

Stand-Alone PV Systems – Design Steps Steps in stand-alone PV design Evaluation of solar availability, electrical consumption, essential electrical loads Battery selection PV array sizing Module selection Charge controller selection Inverter selection Balance of system

Stand-Alone PV Systems Stand-Alone Residence: Floor Plan

Stand-Alone PV Systems - Residence

Stand-Alone PV Systems Stand-Alone Residence: Battery Requirements

Stand-Alone PV Systems Stand-Alone Residence: Array Orientation

Stand-Alone PV Systems Stand-Alone Residence: Wiring

Stand-Alone PV Systems Stand-Alone Residence: Wiring Diagram