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Updates Fronius docs adding consumption path (#22320)

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Co-authored-by: Matthias Alphart <farmio@alphart.net>
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Luis Alberto Pérez García 2022-06-28 16:08:49 +02:00 committed by GitHub
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@ -78,16 +78,29 @@ When a device is not responding correctly the update interval will increase to 1
## Energy dashboard
Recommended energy dashboard configuration for meter location in feed in path (`Meter location: 0`):
- For `Grid consumption` use the meters `Energy real consumed` entity.
- For `Return to grid` use the meters `Energy real produced` entity.
- For `Solar production`:
- If no battery is connected to an inverter: Add each inverters `Energy total` entity.
- If a battery is connected to an inverter: Use [Riemann sum](/integrations/integration/) over `Power photovoltaics` entity (from power_flow endpoint found in your `SolarNet` device)
- `Battery systems` aren't supported directly. Use [Template](/integrations/template) to split and invert negative values of `Power battery` entity (from power_flow) for charging power (W) and positive values for discharging power (W). Then use [Riemann sum](/integrations/integration/) to integrate each into energy values (kWh).
- For `Devices` use the Ohmpilots `Energy consumed` entity.
The energy meter integrated with Fronius devices can be installed (and configured) in two different installation positions: _"feed in path"_ (`meter_location` = 0) or _"consumption path"_ (`meter_location` = 1). In the first case, the meter provides all data you need but, in the second case, it doesn't so you need to calculate some of them by using helpers.
### Feed in path meter
Recommended energy dashboard configuration for meter location in feed in path:
- For `Grid consumption` use the meters `Energy real consumed` entity.
- For `Return to grid` use the meters `Energy real produced` entity.
### Consumption path meter
Recommended energy dashboard configuration for meter location in consumption path:
- The "Power Grid" entity provided by the Fronius API is positive on import and negative on export. Split it up into import- and export-power entities by using helpers with templates `max(states(sensor.power_grid) | float, 0)` and `max(0 - states(sensor.power_grid) | float, 0)`.
- Then use [Riemann sum](/integrations/integration/) to integrate these import-/export-power entities into energy values (kWh).
- Use these energy entities for `Grid consumption` and `Return to grid` in the energy dashboard configuration.
## Note
Fronius often provides firmware updates for the datamanager interfaces and the devices in their system, it's recommended to check and apply them regularly. This integration relies on functionality present in rather recent firmware.