Solare-datensysteme Solar-Log Manual de usuario Pagina 53

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53
Connecting accessories
External power meters/net energy meters
With multiple phase meters, a basic distinction is made between phase-exact and net energy meters.
Net energy meters provide the total values from all three phases. The meter calculates the total output
(also to and from the grid) of the individual phases and provides this total as a single value.
In the example:
Phase 1 supplies 3 kW via an inverter (single phase).
Phase 2 refers to 2 kW (energy)
Phase 3 refers to 1 kW (energy)
With an accumulating meter, this results in a total of 0 kW.
An example of an net energy meter is the Janitza UMG 104 and the Inepro Pro380-Mod.
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