Smart battery control
As of software version 3.6.0, the PLENTICORE G3 inverter has a smart generation and consumption forecast feature (smart battery control). Working in conjunction with a connected energy storage unit, this makes the power generated available to consumers within the household in an optimum manner.
Using this form of control allows the majority of the energy produced to be used by the consumer and therefore helps to cut electricity costs.
The smart battery control recognises and takes account of the times when the household uses the most energy. The system uses this information to make forecasts about how home consumption will change in the future and controls charging/discharging of the battery accordingly.
This ensures that the greatest amount possible of self-produced energy is used in the house and as little energy as possible is fed into the public grid unused.
The function should not be used if an electric vehicle is also being charged via the house network, because an accurate consumption forecast cannot then be made.
Using the smart generation and consumption forecast allows usage of the generated energy to be optimised (in addition to simply storing power) and all power limitations stipulated by law are satisfied at the same time (e.g. Renewable Energies Act 60% rule).
The smart battery control should only be activated if a limitation has been activated in the inverter. Means that the PV power connected to the inverter must be greater than the power that the inverter is feeding into the grid.
If storage of excess AC energy from local generation (Smart AC Link function) has been activated, the Smart Battery Control function is not available.
Example of control without smart battery control
1 | Home consumption (own requirement) |
2 | Battery charge |
3 | Feed-in to the public grid |
4 | Power limitation of feed-in to e.g. 50% |
5 | Unused PV energy |
Example of control with smart battery control
1 | Home consumption (own requirement) |
2 | Battery charge |
3 | Feed-in to the public grid |
4 | Power limitation of feed-in to e.g. 50% |
In the Control without smart battery control figure, you can see that without smart battery control the PV energy generated remains unused even when there is high solar irradiation due to the fact that e.g. there is a 50% power limitation.
Using the smart battery control with generation and consumption forecast, the battery is only charged if the excess energy cannot be consumed in the house network or fed into the public grid. The generated PV energy is therefore used in a sensible manner or stored in the battery.
As a result, the consumer increases his or her self-consumption and degree of self-sufficiency.