Photovoltaic system: electrical equipments selection
From Electrical Installation Guide
Grid connected PV system <= 10kW (Residential)
One single phase inverter
- Typically, a 5kW grid-connected single-phase inverter. with UOC MAX 600V.
- One or two strings – Isctc < 25A, IAC < 32A.
- In this design there is no string protection.
- A PV main switch is necessary. When the inverter is indoors, an additional remote controlled switch at the DC cable entry point is recommended for emergencies services.
Fig. P23 : 10-100kW single multi MPPT inverter