Sum: add Power and Energy distribution channels #2923
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Codecov ReportAttention: Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## develop #2923 +/- ##
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+ Coverage 56.62% 56.64% +0.02%
- Complexity 9504 9515 +11
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Files 2251 2252 +1
Lines 96049 96155 +106
Branches 7090 7097 +7
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+ Hits 54382 54461 +79
- Misses 39667 39689 +22
- Partials 2000 2005 +5 |
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We are discussing this feature in the Community: https://community.openems.io/t/proposal-add-power-and-energy-distribution-channels-to-sum/3283/9 |
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This PR adds a feature to closely analyze in real-time and for historic values, how the power and energy distributed between Grid, Production, Energy-Storage-System and Consumption, i.e. how much grid-buy energy was charged to the battery; how much grid-sell energy was discharged from a battery, etc.
This PR adds new Channels to the
_sumcomponent, that represent power and energy distribution:PRODUCTION_TO_CONSUMPTION_POWER/PRODUCTION_TO_CONSUMPTION_ENERGYPRODUCTION_TO_GRID_POWER/PRODUCTION_TO_GRID_ENERGYPRODUCTION_TO_ESS_POWER/PRODUCTION_TO_ESS_ENERGYGRID_TO_CONSUMPTION_POWER/GRID_TO_CONSUMPTION_ENERGYESS_TO_CONSUMPTION_POWER/ESS_TO_CONSUMPTION_ENERGYGRID_TO_ESS_POWER/GRID_TO_ESS_ENERGY/ESS_TO_GRID_ENERGYThe unit test in
PowerDistributionTest.javashows some example distributions:-1000 W, Production2000 W, ESS Discharge500 W(Consumption is1500 Win this case)1000 WProduction-to-Consumption1000 WProduction-to-Grid500 WESS-to-ConsumptionThese values will be useful in a UI visualization in future. The feature has been successfully tested locally on my private system.
One downside of the approach with
CalculateEnergyFromPoweris, that the resulting energy values might be slightly different to e.g.CONSUMPTION_ACTIVE_ENERGY. It's difficult to overcome this - but in reality a fewWhdifference might not make a difference.