By adding together the AC loads we can identify the maximum load that the dwelling may draw through the inverter, this allows us to determine the power rating of the inverter.
| Max Inst load | 2169.00 | W | Combined |
| Inverter input power | 2332.26 | W | Based on inverter efficiency. Currently set at 93%. |
| Suggested min power rating of inverter | 2400.00 | W |
Finding the right inverter sometimes feel like an art more than a science. A suitable inverter for this load is the Victron Phoenix inverter 1200 model, it is capable of providing a continuous power flow of 1000 watts with a peak surge power of 2400 watts. This is entirely acceptable given that our kettle has a power rating of 1800 Watts and will only run for a matter of minutes.
If we choose to include a back-up generator in our system then we need to make sure the inverter is capable of accepting an AC input and that is has the functionality to switch and optimize between battery power and generator power. A suitable inverter/charger is the Victron MultiPlus.
Choosing the correct inverter is an important part of the design process. Providing our inverter power rating has been selected appropriately and we keep within the voltage tolerance then we should not need to worry about the current entering the inverter. For more information on choosing an inverter please see the notes section
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