Inanda Sandton Johannesburg
7kw GRID INTERACTIVE SYSTEM
- 7kw Schneider XW Inverters connected to 1-phase of 3 phase
- 1 x MPPT 150/60 controllers
- 8 x 100ah Solar battery banks.
- 16 x 165w Solar frontier panels.
- System layout.
The inverters are connected to supply grid and batteries. Solar panels supply power to the house via the inverters and keep the batteries in float charge at the same time. Limited power is used from the grid supply when solar is available. In times of power outages the connected phase will supply power to the house for 4 hours at 20% depth of discharge to the batteries. Connected loads for back- up power as chosen with our client were all lights, televisions, computers, garage door motors, electric gate, microwave oven, all fridges(4 fridges) with all security systems ie. Alarms, beams, and camera system with electric fencing.
Thin film solar was used due to shading and no trees were trimmed or cut. This system is modular and our client intends to add more solar panels at a later date. This will enable him to become grid independent.
This system is a good example of integration between grid, solar with back- up power and scope to become self-sufficient.