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Anton Isidore /
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2023-09-28 14:47:45

Anton Isidore on Nostr: Photovoltaics Tip #2 In summer, you will have surplus of electricity. The electric ...

Photovoltaics Tip #2

In summer, you will have surplus of electricity. The electric boiler is therefore no-brainer. This way you can have ~half of the year hot water for free*.

Good idea is to have 3-phase heating spirial. This way you have basically the 3 independent heating elements (ideally 1.2kW each). Then you manage it in a way that you turn on/off those separate spirals so you can regulate consumption based on the amount of your surplus power.

This way you:
- don't overload one phase with 2-3kW spiral (basic invertors have limit around 3kW + they will start overheating if you run them at 3kW for long time)
- you won't be using your batteries that much, so it will prolong their lifespan (in island mode)
- you won't use expensive grid power when you have free solar one (in hybrid - grid connected mode)

*Ofc, the FV system comes with the aquisition costs.
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