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Update ic tplg authored by Giulia Biagioni's avatar Giulia Biagioni
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The topology (ic-tplg) module defines the ic-`tplg:hasTopologicalAssociation` property to connect a datapoint, timeseries or forecast with a topological location (`ic-tplg:TopologicalLocation`). For example, a measurement (or data-point) might be taken in a specific room, a power average might have been measured by a specific meter, a forecast might be valid for a specific region or grid segment, a power limit can be issued for a a certain grid connection point. Therefore, a topological association does not necessarily link to a geographical location. However, in case it corresponds to a geographical location, then this can be expressed, in terms of latitude and longitude (as a `geo:SpatialThing`), or as a building space within a building using SAREF for Building (`s4bldg:BuildingSpace`) or a geographical feature from the Geonames ontology (`gn:Feature`) which contains postal codes and country codes.
The ic-tplg module further offers the possibility to specify electrical phases (A, B, C, and Neutral) as instances of the `ic-tplg:ACMeasurementPhase` class. It also defines the instances L1, L2, and L3 that can be used as equivalent of A, B and C. Electrical phases are linked to a saref:Device via the ic-`tplg:hasMeasurementPhase` property. Moreover, the ic-tplg module allows to define the difference between two electrical phases, which is measured in voltage, as instances of the `ic-tplg:ACMeasurementPhaseDifference` class. For example, the `ic-tplg:PhaseToNeutralVoltageA` instance defines the difference "phase to neutral voltage A".
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The ic-tplg module further offers the possibility to specify electrical phases (A, B, C, and Neutral) as instances of the `ic-tplg:ACMeasurementPhase` class. It also defines the instances L1, L2, and L3 that can be used as equivalent of A, B and C. Electrical phases are linked to a saref:Device via the ic-`tplg:hasMeasurementPhase` property. Moreover, the ic-tplg module allows to define the difference between two electrical phases, which is measured in voltage, as instances of the `ic-tplg:ACMeasurementPhaseDifference` class. For example, the `ic-tplg:PhaseToNeutralVoltageA` instance defines the difference "phase to neutral voltage A".
![ic-tplg](uploads/7ebafe6e5a33cda364e71d812f2fe175/ic-tplg.drawio.png)
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