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maha avatar image
maha asked

Peak shaving

Was wird durch diese Einstellung erreicht?

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ESS
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4 Answers
netrange avatar image
netrange answered ·

Wo hast du denn diese Einstellung hergezaubert. Gibt es eine neue FW?

Er rasiert eben die Spitzen ! :) wird wohl ne Art Messwertrundung sein ? Keine Ahnung

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maha avatar image
maha answered ·

Keine Ahnung geht mir auch so...:-)

Ja, Beta-Software:

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netrange avatar image netrange commented ·
... Und natürlich noch ohne Changelog :)
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ojack avatar image
ojack answered ·

Changes v3.00~15 -> v3.00~17


General


ESS: Add peak shaving option (by observing the AC input current limit using PowerAssist)

Peak shaving already worked in Keep batteries charged mode; no changes there, other than making it more obvious by adding in the Peak shaving menu entry.

Peak shaving did not work will in the Optimised modes. It did work as long as battery SOC was above the configured ESS Minimum SOC level, but once discharged there the system would not assist the loads. This is now solved: use the new peak shaving option in the ESS menu, to let the system keep PowerAssisting when needed. And as soon as the peak is over, it will recharge the battery using power from the grid, while prioritising solar. Note that there is a 5% hysteresis on that: lets say Minimum SOC is set to 80%, it will then start recharging back to that 80% once (by peak shaving) the battery dropped to 75%.

The default setting, when using the Optimised mode, is off. To not change behaviour of running systems.

Warning: this works for the critical loads only. Not by energy meter.

For further details, see screenshots below.

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ojack avatar image
ojack answered ·
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Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.