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

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

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

4. 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

5. 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

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

7. Stand-Alone PV Systems - Residence

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

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

10. Stand-Alone PV Systems
Stand-Alone Residence: Wiring

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