Solar Photovoltaic Systems
Cells, Modules, Arrays
- A cell is a single PV junction
- A module is usually several cells in series
- An array is several modules wired in series and parallel
Cells, Modules, Arrays
This section covers the conversion of incident solar radiation at a panel to electricity.
PV cells in series
- Can we determine the IV curve for a module from the IV curve for a single cell?
- How do the curves stack?
Series stacking
- In series, voltages add
- Currents must be matched
Cells in series
Modules in series
Parallel stacking
- In parallel, currents add
- Voltages must be matched
Parallel modules
Array stacking
