# Copyright 2016 ITEA 12004 SEAS Project.
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#      http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing,
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix vann: <http://purl.org/vocab/vann/> .
@prefix voaf: <http://purl.org/vocommons/voaf#> .
@prefix vs: <http://www.w3.org/2003/06/sw-vocab-status/ns#> .
@prefix cc: <http://creativecommons.org/ns#>.
@prefix foaf: <http://xmlns.com/foaf/0.1/>.
@prefix saref: <http://ontology.tno.nl/saref#>. #SAREF smart building appliances ontology
@prefix qudt: <http://data.qudt.org/qudt/owl/1.0.0/qudt.owl#> .
@prefix qudt-unit: <http://data.qudt.org/qudt/owl/1.0.0/unit.owl#> . #QUDT units
@prefix ssn: <http://www.w3.org/ns/ssn/>.
@prefix skos: <http://www.w3.org/2004/02/skos/core#>.
@prefix sdmx: <http://purl.org/linked-data/sdmx#>.

@prefix seas: <https://w3id.org/seas/>.
@base <https://w3id.org/seas/>.

seas:ElectricPowerSystemVocabulary rdf:type voaf:Vocabulary , owl:Ontology ;
  dc:title "SEAS-ElectricPowerSystem vocabulary"@en ;
  dc:description """The SEAS Electric Power System Vocabulary defines:
   1. Electric power systems that consume, produce, or store electricity,
   2. electrical connections between electric power systems, where electricity is exchanged, and
   3. electrical connection Points of electric power systems, through which electricity flows in/out the power systems."""@en ;
  dc:issued "2016-06-06"^^xsd:date ;
  dc:modified "2016-07-24"^^xsd:date ;
  dc:creator <http://www.maxime-lefrancois.info/me#> ;
  cc:license <https://creativecommons.org/licenses/by/4.0> ;
  vann:preferredNamespacePrefix "seas" ;
  vann:preferredNamespaceUri <https://w3id.org/seas/> ;  
#  owl:imports seas:SystemOntology , seas:EvaluationOntology ;
  owl:versionIRI <https://w3id.org/seas/ElectricPowerSystemVocabulary-1.0> ;
  owl:versionInfo "v1.0" .

## electric power system

seas:ElectricPowerSystem a owl:Class ;
  rdfs:label "Electric Power System"@en ;
  rdfs:comment """The class of electric power systems, i.e., systems that exchange electricity (i.e., electric power) with other systems.

  Electric power systems may consume, produce, or store electricity. Such systems are defined by subclasses of electric power system.
  Electric power systems that dissipate energy are thermodynamic systems (i.e., they can then dissipate heat).

  Electric power systems can exchange electricity with other electric power systems. 
  These exchange are only possible through electrical connections between electric power systems.

  Electric power systems can have sub power systems:

- The consumed or produced electricity of subsystems contribute to the consumed or produced electricity of the supersystem;
- the stored electricity of subsystems contribute to the stored electricity of super systems."""@en ;
  rdfs:subClassOf seas:System ;
  rdfs:subClassOf seas:ThermodynamicSystem ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:exchangesElectricityWith a owl:ObjectProperty , owl:SymmetricProperty ;
  rdfs:label "exchanges electricity with"@en ;
  rdfs:comment """Links an electric power system to another electric power system it exchanges electricity with. 

  This property can be qualified using class seas:ElectricalConnection, which connects (at least) the two electric power systems.
  For example, for the electricity to flow between a battery and a light, then they must share an electrical connection:

```
  <battery> a seas:ElectricPowerSystem .
  <light> a seas:ElectricPowerSystem .
  <battery> seas:exchangesElectricityWith <light> . 
```

  If there is an electrical connection between several electric power systems, then one may infer these electric power systems can exchange electricity."""@en ;
  rdfs:subPropertyOf seas:connectedTo ;
  rdfs:domain seas:ElectricPowerSystem ;
  rdfs:range seas:ElectricPowerSystem ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:subElectricPowerSystemOf a owl:ObjectProperty , owl:TransitiveProperty ;
  rdfs:label "sub electric power system of"@en ;
  rdfs:comment """Links an electric power system to its super electric power systems.
  The electricity of a sub power system contributes to the electricity of its super electric power system. For example,

- The consumed electricity of an electric power comsumer system contributes to the consumed electricity of its super electric power consumer system;
- The produced electricity of an electric power producer system contributes to the produced electricity of its super electric power producer system;
- the stored electricity of an electric power storage system contributes to the stored electricity of its super electric power storage system."""@en ;
  rdfs:domain seas:ElectricPowerSystem ;
  rdfs:range seas:ElectricPowerSystem ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .


## electrical connection

seas:ElectricalConnection a owl:Class ;
  rdfs:label "Electrical Connection"@en ;
  rdfs:comment """The class of electrical connections between electric power systems.
  an electrical connection describes potential electricity flows between the electric power systems it connects.
  For example, the following RDF graph states that a power bus connects two power lines and a transformer:

```
  <power_bus> a seas:ElectricalConnection ;
    seas:connectsSystem <power_line_1> , <transformer> , <power_line_2> .
```

  Only electric power systems and electrical connection points are connected through an electrical connection.
  A connection between electric power systems is not necessarily an electrical connection.

  Any electric power system that exchanges electricity through an electrical connection is connected at least through one of its power connection points to the electrical connection:
  if:

```
  <power_system> a seas:ElectricPowerSystem .
  <power_connection> a seas:ElectricalConnection .
  <power_system> seas:connectedThrough <power_connection> .
```

  then there exists `_:powerConnectionPoint` such that:

```
  _:powerConnectionPoint a seas:ElectricalConnectionPoint ;
    seas:connectionPointOf <power-system> ;
    seas:connectsSystemThrough <power_connection> .
```"""@en ;
  rdfs:subClassOf seas:Connection ;
  rdfs:subClassOf [ owl:onProperty seas:connectsSystem ; owl:allValuesFrom  seas:ElectricPowerSystem ] ;
  rdfs:subClassOf [ owl:onProperty seas:connectsSystemAt ; owl:allValuesFrom  seas:ElectricalConnectionPoint ] ;
  rdfs:subClassOf [ owl:onProperty seas:voltage ; owl:someValuesFrom  seas:Property ] ;
  owl:disjointWith seas:ElectricPowerSystem ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .


## electrical connection point

seas:ElectricalConnectionPoint a owl:Class ;
  rdfs:label "Electrical Connection Point"@en ;
  rdfs:comment """The class of electrical connection points of electric power systems, at which they may be electricaly connected to other systems.
  For example, an electric vehicle service equipment may have three electric power connection points: two different kinds of plugs that enable to charge electric vehicles, and a three phase power bus connection point to the grid:

```
  <electric_vehicle> a seas:ElectricPowerSystem ;
    seas:connectsAt <plug_high_voltage> , <normal_plug> , <three_phase_connection_point> .
  <plug_high_voltage> a seas:ElectricalConnectionPoint .
  <normal_plug> a seas:ElectricalConnectionPoint .
  <three_phase_connection_point> a seas:ElectricalConnectionPoint .
```

  Any system connected through an electrical connection is connected at one of its electrical connection points to the electrical connection:
  if:

```
  <system> a seas:System .
  <system> seas:connectedThrough <connection> .
  <connection> a seas:ElectricalConnection .
```

  then there exists `_:connectionPoint` such that:

```
  _:connectionPoint a seas:ElectricalConnection Point ;
    seas:connectionPointOf <system> ;
    seas:connectsSystemAt <connection> .
```

  An electrical connection point describes an electric signal, and the electricity that enters/leaves the electric power system.
  An electrical connection point only belongs to an electric power system, and connects it through electrical connections.
  A connection point of an electric power system is not necessarily an electrical connection."""@en ;
  rdfs:subClassOf seas:ConnectionPoint ;
  rdfs:subClassOf [ owl:onProperty seas:connectionPointOf ; owl:allValuesFrom  seas:ElectricPowerSystem ] ;
  rdfs:subClassOf [ owl:onProperty seas:connectsSystemThrough ; owl:allValuesFrom  seas:ElectricalConnection ] ;
  rdfs:subClassOf [ owl:onProperty seas:voltage ; owl:someValuesFrom  seas:Property ] ;
  rdfs:subClassOf [ owl:onProperty seas:current ; owl:someValuesFrom  seas:Property ] ;
  owl:disjointWith seas:ElectricPowerSystem ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

# specific subtypes

## electric power consumer

seas:ElectricPowerConsumer a owl:Class ;
  rdfs:label "Electric Power Consumer"@en ;
  rdfs:comment """An electric power consumer is an electric power system that is capable of consuming electricity."""@en ;
  rdfs:subClassOf seas:ElectricPowerSystem ;
  rdfs:subClassOf [ owl:onProperty seas:consumedElectricPower ; owl:someValuesFrom seas:Property ] ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:ElectricPowerProducer a owl:Class ;
  rdfs:label "Electric Power Producer"@en ;
  rdfs:comment """An electric power producer is an electric power system that is capable of producing electricity."""@en ;
  rdfs:subClassOf seas:ElectricPowerSystem ;
  rdfs:subClassOf [ owl:onProperty seas:producedElectricPower ; owl:someValuesFrom seas:Property ] ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:ElectricPowerStorageSystem a owl:Class ;
  rdfs:label "Electric Power Storage System"@en ;
  rdfs:comment """an electric power storage system is an electric power system that is capable of storing electricity. Usually a battery, an electric vehicle, or a microgrid"""@en ;
  rdfs:subClassOf seas:ElectricPowerSystem ;  
  rdfs:subClassOf [ owl:onProperty seas:storageElectricPower ; owl:someValuesFrom seas:Property ] ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:ElectricPowerTransmissionSystem a owl:Class ;
  rdfs:label "Electric Power Transmission System"@en ;
  rdfs:label "Sistema de Transmissão"@pt ;
  rdfs:comment """An electric power transmission system is an electric power system that is capable of transmitting electricity. 
  Usually to transmit electricity on a certain distance within an electric power network, or to transform it."""@en ;
  rdfs:subClassOf seas:ElectricPowerSystem ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:ElectricPowerLine a owl:Class ;
    rdfs:label "Electric Power Line"@en ;
    rdfs:comment """An electric power line is an electric transmission system that is capable of transmitting electricity on a certain distance within an electric power network.

    An electric power line must be connected to two power connections, although this requirement cannot be modeled using OWL axioms if we want to remain in a decidable fragment."""@en ;
    rdfs:subClassOf seas:ElectricPowerTransmissionSystem ;
    rdfs:subClassOf [ owl:onProperty seas:length ; owl:someValuesFrom seas:Property ] ;
    rdfs:subClassOf [ owl:onProperty seas:temperature ; owl:someValuesFrom seas:Property ] ;
    rdfs:subClassOf [ owl:onProperty seas:resistance ; owl:someValuesFrom seas:Property ] ;
    rdfs:subClassOf [ owl:onProperty seas:reactance ; owl:someValuesFrom seas:Property ] ;
    rdfs:subClassOf [ owl:onProperty seas:susceptance ; owl:someValuesFrom seas:Property ] ;
    rdfs:subClassOf [ owl:onProperty seas:failure ; owl:someValuesFrom seas:Property ] ;
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:ElectricPowerTransformer a owl:Class ;
    rdfs:label "Electric Power Transformer"@en ;
    rdfs:comment """An electric power transformer is an electric power system that is capable of transforming electricity within a power network, between a primary connection point and a secondary connection point."""@en ;
    rdfs:subClassOf seas:ElectricPowerTransmissionSystem ;
    rdfs:subClassOf [ owl:onProperty seas:primarilyConnectedThrough ; owl:someValuesFrom seas:ElectricalConnection ] ;
    rdfs:subClassOf [ owl:onProperty seas:secondarilyConnectedThrough ; owl:someValuesFrom seas:ElectricalConnection ] ;
    rdfs:subClassOf [ owl:onProperty seas:connectsPrimarilyAt ; owl:someValuesFrom seas:ElectricalConnectionPoint ] ;
    rdfs:subClassOf [ owl:onProperty seas:connectsSecondarilyAt ; owl:someValuesFrom seas:ElectricalConnectionPoint ] ;
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:primarilyConnectedThrough a owl:ObjectProperty ;
      rdfs:label "primarily connected through"@en ;
      rdfs:comment "Links an electric power transformer to its primary connection"@en ;
      rdfs:subPropertyOf seas:connectedThrough ;
      rdfs:domain seas:ElectricPowerTransformer ;
      rdfs:range seas:ElectricalConnection ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .
      
    seas:secondarilyConnectedThrough a owl:ObjectProperty ;
      rdfs:label "secondarily connected through"@en ;
      rdfs:comment "Links an electric power transformer to its secondary connection"@en ;
      rdfs:subPropertyOf seas:connectedThrough ;
      rdfs:domain seas:ElectricPowerTransformer ;
      rdfs:range seas:ElectricalConnection ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .
      
    seas:connectsPrimarilyAt a owl:ObjectProperty ;
      rdfs:label "connects primarily at"@en ;
      rdfs:comment "Links an electric power transformer to its primary connection point"@en ;
      rdfs:subPropertyOf seas:connectedThrough ;
      rdfs:domain seas:ElectricPowerTransformer ;
      rdfs:range seas:ElectricalConnectionPoint ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .
      
    seas:connectsSecondarilyAt a owl:ObjectProperty ;
      rdfs:label "connects secondarily at"@en ;
      rdfs:comment "Links an electric power transformer to its secondary connection point"@en ;
      rdfs:subPropertyOf seas:connectedThrough ;
      rdfs:domain seas:ElectricPowerTransformer ;
      rdfs:range seas:ElectricalConnectionPoint ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .
      
    seas:tapChanger a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
      rdfs:label "tap Changer"@en ;
      rdfs:comment """The Tap changer to change the voltage regulation of the transformer."""@en ;
      rdfs:subPropertyOf seas:hasProperty ;
      rdfs:domain seas:PowerTransformer ;
      rdfs:range seas:VoltageProperty ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

# Electrical connection

seas:DirectCurrentConnection a owl:Class ;
  rdfs:label "Direct Current Connection"@en ;
  rdfs:comment "The class of electrical connections through which energy flows using direct current."@en ;
  rdfs:subClassOf seas:ElectricalConnection ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:TwoWireDirectCurrentPowerBus a owl:Class ;
    rdfs:label "Two Wire Direct Current Power Bus"@en ;
    rdfs:comment """A two wire direct current power bus is a connection composed of two wires (potentialy plus the protective earth): 
     wire for the positive;
     wire for the negative."""@en ;
    rdfs:subClassOf seas:DirectCurrentConnection ;  
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:ThreeWireDirectCurrentPowerBus a owl:Class ;
    rdfs:label "Three Wire Direct Current Power Bus"@en ;
    rdfs:comment """A three wire direct current power bus is a connection composed of three wires (potentialy plus the protective earth): 
     wire for the positive;
     wire for the mid-wire;
     wire for the negative."""@en ;
    rdfs:subClassOf seas:DirectCurrentConnection ;  
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:AlternatingCurrentConnection a owl:Class ;
  rdfs:label "Alternating Current Connection"@en ;
  rdfs:comment "The class of electrical power connections through which energy flows using alternating current."@en ;
  rdfs:subClassOf seas:ElectricalConnection ;
  owl:disjointWith seas:DirectCurrentConnection ;
  rdfs:subClassOf [ owl:onProperty seas:voltage ; owl:allValuesFrom seas:PeriodicProperty ] ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:ThreePhasePowerBus a owl:Class ;
    rdfs:label "Three Phase Power Bus"@en ;
    rdfs:comment """A three phase power bus is a connection composed of four wires (plus the protective earth): 
     wires R, S, T, for the phases;
     wire N for the neutral."""@en ;
    rdfs:subClassOf seas:AlternatingCurrentConnection ;  
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInStar a owl:ObjectProperty ;
      rdfs:label "connects system in star"@en ;
      rdfs:comment "Links a three phase power bus to one of the electric power systems it connects with a star configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInStarThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInStarThrough a owl:ObjectProperty ;
      rdfs:label "connected in star through"@en ;
      rdfs:comment "Links an electric power system to a three phase power bus connection with which it is connected with a star configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInStar ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInTriangle a owl:ObjectProperty ;
      rdfs:label "connects system in triangle"@en ;
      rdfs:comment "Links a three phase power bus to one of the electric power systems it connects with a triangle configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInTriangleThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInTriangleThrough a owl:ObjectProperty ;
      rdfs:label "connected in triangle through"@en ;
      rdfs:comment "Links an electric power system to a three phase power bus connection with which it is connected with a triangle configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInTriangle ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInStar owl:propertyDisjointWith seas:connectsSystemInTriangle .

  seas:SinglePhasePowerBus a owl:Class ;
    rdfs:label "Single Phase Power Bus"@en ;
    rdfs:comment """A single phase power bus is a connection composed of two wires (plus the protective earth): 
     wire for the phase;
     wire for the neutral."""@en ;
    rdfs:subClassOf seas:AlternatingCurrentConnection ;  
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInRN a owl:ObjectProperty ;
      rdfs:label "connects system in RN"@en ;
      rdfs:comment "Links a three phase power bus to one of the electric power systems it connects with a RN configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInRNThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInRNThrough a owl:ObjectProperty ;
      rdfs:label "connected in RN through"@en ;
      rdfs:comment "Links an electric power system to a three phase power bus connection with which it is connected with a RN configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInRN ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInSN a owl:ObjectProperty ;
      rdfs:label "connects system in SN"@en ;
      rdfs:comment "Links a three phase power bus to one of the electric power systems it connects with a SN configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInSNThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInSNThrough a owl:ObjectProperty ;
      rdfs:label "connected in SN through"@en ;
      rdfs:comment "Links an electric power system to a three phase power bus connection with which it is connected with a SN configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInSN ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInTN a owl:ObjectProperty ;
      rdfs:label "connects system in TN"@en ;
      rdfs:comment "Links a three phase power bus to one of the electric power systems it connects with a TN configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInTNThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInTNThrough a owl:ObjectProperty ;
      rdfs:label "connected in TN through"@en ;
      rdfs:comment "Links an electric power system to a three phase power bus connection with which it is connected with a TN configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInTN ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInRN owl:propertyDisjointWith seas:connectsSystemInSN .
    seas:connectsSystemInSN owl:propertyDisjointWith seas:connectsSystemInTN .
    seas:connectsSystemInTN owl:propertyDisjointWith seas:connectsSystemInRN .

  seas:SplitPhasePowerBus a owl:Class ;
    rdfs:label "Split Phase Power Bus"@en ;
    rdfs:comment """A split-phase power bus is a connection composed of three wires (plus the protective earth): 

- wire for the hot 1 phase;
- wire for the neutral;
- wire for the hot 2 phase.

"""@en ;
    rdfs:subClassOf seas:AlternatingCurrentConnection ;
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInHot1N a owl:ObjectProperty ;
      rdfs:label "connects system in Hot1-to-N"@en ;
      rdfs:comment "Links a split-phase power bus to one of the electric power systems it connects with a hot1-to-N configuration."@en ;
      rdfs:domain seas:SplitPhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInHot1NThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInHot1NThrough a owl:ObjectProperty ;
      rdfs:label "connected in Hot1-to-N through"@en ;
      rdfs:comment "Links an electric power system to a split-phase power bus connection with which it is connected with a hot1-to-N configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:SplitPhasePowerBus ;
      owl:inverseOf seas:connectsSystemInHot1N ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInHot2N a owl:ObjectProperty ;
      rdfs:label "connects system in Hot2-to-N"@en ;
      rdfs:comment "Links a split-phase power bus to one of the electric power systems it connects with a hot2-to-N configuration."@en ;
      rdfs:domain seas:SplitPhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInHot2NThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInHot2NThrough a owl:ObjectProperty ;
      rdfs:label "connected in Hot2-to-N through"@en ;
      rdfs:comment "Links an electric power system to a split-phase power bus connection with which it is connected with a hot2-to-N configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:SplitPhasePowerBus ;
      owl:inverseOf seas:connectsSystemInHot2N ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInHot1Hot2 a owl:ObjectProperty ;
      rdfs:label "connects system in Hot1-to-Hot2"@en ;
      rdfs:comment "Links a split-phase power bus to one of the electric power systems it connects with a hot1-to-hot2 configuration."@en ;
      rdfs:domain seas:SplitPhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInHot1Hot2Through ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInHot1Hot2Through a owl:ObjectProperty ;
      rdfs:label "connected in Hot1-to-Hot2 through"@en ;
      rdfs:comment "Links an electric power system to a split-phase power bus connection with which it is connected with a hot1-to-hot2 configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:SplitPhasePowerBus ;
      owl:inverseOf seas:connectsSystemInHot1Hot2 ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInHot2Hot1 a owl:ObjectProperty ;
      rdfs:label "connects system in Hot2-to-Hot1"@en ;
      rdfs:comment "Links a split-phase power bus to one of the electric power systems it connects with a hot2-to-hot1 configuration."@en ;
      rdfs:domain seas:SplitPhasePowerBus ;
      rdfs:range seas:ElectricPowerSystem ;
      owl:inverseOf seas:connectedInHot2Hot1Through ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInHot2Hot1Through a owl:ObjectProperty ;
      rdfs:label "connected in Hot2-to-Hot1 through"@en ;
      rdfs:comment "Links an electric power system to a split-phase power bus connection with which it is connected with a hot2-to-hot1 configuration."@en ;
      rdfs:domain seas:ElectricPowerSystem ;
      rdfs:range seas:SplitPhasePowerBus ;
      owl:inverseOf seas:connectsSystemInHot2Hot1 ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectedInHot2Hot1Through owl:propertyDisjointWith seas:connectedInHot1Hot2Through .
    seas:connectedInHot2Hot1Through owl:propertyDisjointWith seas:connectedInHot2NThrough .
    seas:connectedInHot2Hot1Through owl:propertyDisjointWith seas:connectedInHot1NThrough .
    seas:connectedInHot1Hot2Through owl:propertyDisjointWith seas:connectedInHot2NThrough .
    seas:connectedInHot1Hot2Through owl:propertyDisjointWith seas:connectedInHot1NThrough .
    seas:connectedInHot2NThrough owl:propertyDisjointWith seas:connectedInHot1NThrough .


[] a owl:AllDifferentClasses ; 
  owl:members ( 
    seas:SinglePhasePowerBus
    seas:SplitPhasePowerBus 
    seas:ThreePhasePowerBus ) .

# Electrical connection point 

seas:DirectCurrentConnectionPoint a owl:Class ;
  rdfs:label "Direct Current Connection Point"@en ;
  rdfs:comment "The class of electrical connection points through which energy flows using direct current."@en ;
  rdfs:subClassOf seas:ElectricalConnectionPoint ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:TwoWireDirectCurrentConnectionPoint a owl:Class ;
    rdfs:label "Two Wire Direct Current Connection Point"@en ;
    rdfs:comment """A two wire direct current connection point is a connection point composed of two wires (potentialy plus the protective earth): 
     wire for the positive;
     wire for the negative."""@en ;
    rdfs:subClassOf seas:DirectCurrentConnectionPoint ;  
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:ThreeWireDirectCurrentConnectionPoint a owl:Class ;
    rdfs:label "Three Wire Direct Current Connection Point"@en ;
    rdfs:comment """A three wire direct current power connection point is a connection point composed of three wires (potentialy plus the protective earth): 

- wire for the positive;
- wire for the mid-wire;
- wire for the negative.
"""@en ;
    rdfs:subClassOf seas:DirectCurrentConnectionPoint ;  
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:AlternatingCurrentConnectionPoint a owl:Class ;
  rdfs:label "Alternating Current Connection Point"@en ;
  rdfs:comment "The class of electrical power connection points through which energy flows using alternating current."@en ;
  rdfs:subClassOf seas:ElectricalConnectionPoint ;
  owl:disjointWith seas:DirectCurrentConnectionPoint ;
  rdfs:subClassOf [ owl:onProperty seas:voltage ; owl:allValuesFrom seas:PeriodicProperty ] ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:ThreePhaseConnectionPoint a owl:Class ;
    rdfs:label "Three Phase Connection Point"@en ;
    rdfs:comment """A three phase connection point is a connection point composed of four wires (plus the protective earth): 
- wires R, S, T, for the phases;
- wire N for the neutral.
"""@en ;
    rdfs:subClassOf seas:AlternatingCurrentConnectionPoint ;  
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInStarAt a owl:ObjectProperty ;
      rdfs:label "connects system in star at"@en ;
      rdfs:comment "Links a three phase power bus to one of the three phase connection points it connects with a star configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:ThreePhaseConnectionPoint ;
      owl:inverseOf seas:connectsSystemInStarThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInStarThrough a owl:ObjectProperty ;
      rdfs:label "connects system in star through"@en ;
      rdfs:comment "Links a three phase connection point to a three phase power bus connection with which it is connected with a star configuration."@en ;
      rdfs:domain seas:ThreePhaseConnectionPoint ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInStarAt ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInTriangleAt a owl:ObjectProperty ;
      rdfs:label "connects system in triangle at"@en ;
      rdfs:comment "Links a three phase power bus to one of the three phase connection points it connects with a triangle configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:ThreePhaseConnectionPoint ;
      owl:inverseOf seas:connectsSystemInTriangleThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInTriangleThrough a owl:ObjectProperty ;
      rdfs:label "connects system in triangle through"@en ;
      rdfs:comment "Links a three phase connection point to a three phase power bus connection with which it is connected with a triangle configuration."@en ;
      rdfs:domain seas:ThreePhaseConnectionPoint ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInTriangleAt ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInStarThrough owl:propertyDisjointWith seas:connectsSystemInTriangleThrough .

  seas:SinglePhaseConnectionPoint a owl:Class ;
    rdfs:label "Single Phase Connection Point"@en ;
    rdfs:comment """A single phase connection point is a connection point composed of two wires (plus the protective earth): 

- wire for the phase;
- wire for the neutral."""@en ;
    rdfs:subClassOf seas:AlternatingCurrentConnectionPoint ;  
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInRNAt a owl:ObjectProperty ;
      rdfs:label "connects system in RN at"@en ;
      rdfs:comment "Links a three phase power bus to one of the single phase connection points it connects with a RN configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:SinglePhaseConnectionPoint ;
      owl:inverseOf seas:connectsSystemInRNThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInRNThrough a owl:ObjectProperty ;
      rdfs:label "connects system in RN through"@en ;
      rdfs:comment "Links a single phase connection point to a three phase power bus connection with which it is connected with a RN configuration."@en ;
      rdfs:domain seas:SinglePhaseConnectionPoint ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInRNAt ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInSNAt a owl:ObjectProperty ;
      rdfs:label "connects system in SN at"@en ;
      rdfs:comment "Links a three phase power bus to one of the single phase connection points it connects with a SN configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:SinglePhaseConnectionPoint ;
      owl:inverseOf seas:connectsSystemInSNThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInSNThrough a owl:ObjectProperty ;
      rdfs:label "connects system in SN through"@en ;
      rdfs:comment "Links a single phase connection point to a three phase power bus connection with which it is connected with a SN configuration."@en ;
      rdfs:domain seas:SinglePhaseConnectionPoint ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInSNAt ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInTNAt a owl:ObjectProperty ;
      rdfs:label "connects system in TN at"@en ;
      rdfs:comment "Links a three phase power bus to one of the single phase connection points it connects with a TN configuration."@en ;
      rdfs:domain seas:ThreePhasePowerBus ;
      rdfs:range seas:SinglePhaseConnectionPoint ;
      owl:inverseOf seas:connectsSystemInTNThrough ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInTNThrough a owl:ObjectProperty ;
      rdfs:label "connects system in TN through"@en ;
      rdfs:comment "Links a single phase connection point to a three phase power bus connection with which it is connected with a TN configuration."@en ;
      rdfs:domain seas:SinglePhaseConnectionPoint ;
      rdfs:range seas:ThreePhasePowerBus ;
      owl:inverseOf seas:connectsSystemInTNAt ;
      vs:term_status "stable" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:connectsSystemInRNThrough owl:propertyDisjointWith seas:connectsSystemInSNThrough .
    seas:connectsSystemInSNThrough owl:propertyDisjointWith seas:connectsSystemInTNThrough .
    seas:connectsSystemInTNThrough owl:propertyDisjointWith seas:connectsSystemInRNThrough .

  seas:SplitPhaseConnectionPoint a owl:Class ;
    rdfs:label "Split Phase Current Connection Point"@en ;
    rdfs:comment "The class of power connection points through which energy flows using split-phase alternating current."@en ;
    rdfs:subClassOf seas:AlternatingCurrentConnectionPoint ;
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

[] a owl:AllDifferentClasses ; 
  owl:members ( 
    seas:SinglePhaseCurrentConnectionPoint 
    seas:SplitPhaseCurrentConnectionPoint 
    seas:ThreePhaseConnectionPoint ) .

## properties

seas:resistance a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "Resistance"@en ;
  rdfs:comment """The electrical power line resistance."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:domain seas:PowerLine ;
  rdfs:range seas:ResistanceProperty ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:impedance a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "Impedance"@en ;
  rdfs:comment """The electrical power line impedance/reactance."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:domain seas:PowerLine ;
  rdfs:range seas:ImpedanceProperty ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:susceptance a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "Susceptance"@en ;
  rdfs:comment """The electrical power line susceptance."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:domain seas:PowerLine ;
  rdfs:range seas:SusceptanceProperty ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:voltage a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "voltage" ;
  rdfs:comment """Voltage is the voltage at some electrical connection, or at some electrical connection point."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:domain seas:FeatureOfInterest ;
  rdfs:range seas:VoltageProperty ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:VoltageProperty a owl:Class ;
    rdfs:label "Voltage Property"@en ;
    rdfs:comment "The class of voltage signals."@en ;
    rdfs:subClassOf seas:TimeDependentProperty ;
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:ExtraLowVoltage a owl:Class ;
      rdfs:label "Extra-Low Voltage "@en ;
      rdfs:comment """The voltage is Extra-Low according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageProperty ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:LowVoltage a owl:Class ;
      rdfs:label "Low Voltage "@en ;
      rdfs:comment """The voltage is Low according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageProperty ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:MediumVoltage a owl:Class ;
      rdfs:label "Medium Voltage "@en ;
      rdfs:comment """The voltage is Medium according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageProperty ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:HighVoltage a owl:Class ;
      rdfs:label "High Voltage "@en ;
      rdfs:comment """The voltage is High according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageProperty ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:ExtraHighVoltage a owl:Class ;
      rdfs:label "Extra-High Voltage "@en ;
      rdfs:comment """The voltage is Extra-High according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageProperty ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

  seas:VoltageEvaluation a owl:Class ;
    rdfs:label "Voltage Evaluation"@en ;
    rdfs:comment "The class of voltage signal evaluations."@en ;
    rdfs:subClassOf seas:TimeContextualizedEvaluation ;
    vs:term_status "testing" ;
    rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:ExtraLowVoltageEvaluation a owl:Class ;
      rdfs:label "Extra-Low Voltage Evaluation"@en ;
      rdfs:comment """The voltage is Extra-Low according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageEvaluation ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:LowVoltageEvaluation a owl:Class ;
      rdfs:label "Low Voltage Evaluation"@en ;
      rdfs:comment """The voltage is Low according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageEvaluation ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:MediumVoltageEvaluation a owl:Class ;
      rdfs:label "Medium Voltage Evaluation"@en ;
      rdfs:comment """The voltage is Medium according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageEvaluation ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:HighVoltageEvaluation a owl:Class ;
      rdfs:label "High Voltage Evaluation"@en ;
      rdfs:comment """The voltage is High according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageEvaluation ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

    seas:ExtraHighVoltageEvaluation a owl:Class ;
      rdfs:label "Extra-High Voltage Evaluation"@en ;
      rdfs:comment """The voltage is Extra-High according to IEC 60038."""@en ;
      rdfs:subClassOf seas:VoltageEvaluation ;
      vs:term_status "testing" ;
      rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .


seas:current a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "current" ;
  rdfs:comment """Current is the voltage at some electrical connection point."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:domain seas:FeatureOfInterest ;
  rdfs:range seas:Property ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .


seas:consumedElectricPower a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "consumed electric power" ;
  rdfs:comment """Consumed Electric Power is the electric power that is consumed by the electric power system, usually a load, a battery, or a microgrid."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:domain seas:ElectricPowerSystem ;
  rdfs:range seas:Property ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:producedElectricPower a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "produced electric power" ;
  rdfs:comment """Produced Electric Power is the electric power that is produced by the electric power system, usually a generator, a battery, or a microgrid."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:domain seas:ElectricPowerSystem ;
  rdfs:range seas:Property ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:storageElectricPower a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "storage electric power" ;
  rdfs:comment """Storage Electric Power is the electric power that is stored by the electric power system, usually a battery, or a microgrid."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:domain seas:ElectricPowerSystem ;
  rdfs:range seas:Property ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:incomingElectricPower a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "incoming electric power" ;
  rdfs:comment """Incoming electric power is:
  (a) the sum of the electric power that enter the system from the exterior, or
  (b) the electric power that enters the system through this connection point."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:range seas:Property ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:outgoingElectricPower a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "outgoing electric power" ;
  rdfs:comment """Outgoing electric power is:
  (a) the sum of the electric power that leaves the system from the exterior, or
  (b) the electric power that leaves the system through this connection point."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:range seas:Property ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:electricPowerBalance a seas:PropertyKey, owl:ObjectProperty , owl:FunctionalProperty ;
  rdfs:label "electric power balance" ;
  rdfs:comment """Electric power balance is the difference between the incoming electric power and the outgoing electric power."""@en ;
  rdfs:subPropertyOf seas:hasProperty ;
  rdfs:range seas:Property ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .


# concept lists

# CL_POWER
seas:power a skos:ConceptScheme, sdmx:CodeList;
  rdfs:label "Power - codelist scheme"@en;
  skos:prefLabel "Power - codelist scheme"@en;
  skos:notation "CL_POWER";
  rdfs:comment """This code list enables to interpret the given electric power value."""@en;
  skos:note """This code list enables to interpret the given electric power value."""@en;
  skos:definition seas:power ;
  rdfs:seeAlso seas:Power ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:Power a rdfs:Class, owl:Class;
  rdfs:subClassOf skos:Concept ;
  rdfs:label "Power - codelist class"@en;
  rdfs:comment """This code list enables to interpret the given power value."""@en;
  rdfs:seeAlso seas:power ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:power-Active-Power a skos:Concept, seas:EvaluationInterpretationConcept, seas:Fourier;
  rdfs:label "Active Power"@en ;
  skos:prefLabel "Active Power"@en ;
  skos:notation "P" ;
  rdfs:comment """Active Power means that the given value measures the active power of the electric signal, in (W)."""@en ;
  skos:definition """Active Power means that the given value measures the active power of the electric signal, in (W)."""@en ;
  skos:topConceptOf seas:power;
  skos:inScheme   seas:power;
  seas:dimension seas:power ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:power skos:hasTopConcept seas:power-Active-Power .

seas:power-Reactive-Power a skos:Concept, seas:EvaluationInterpretationConcept, seas:Fourier;
  rdfs:label "Reactive Power"@en ;
  skos:prefLabel "Reactive Power"@en ;
  skos:notation "Q" ;
  rdfs:comment """Reactive Power means that the given value measures the reactive power of the electric signal, in (var)."""@en ;
  skos:definition """Reactive Power means that the given value measures the reactive power of the electric signal, in (var)."""@en ;
  skos:topConceptOf seas:power;
  skos:inScheme   seas:power;
  seas:dimension seas:power ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:power skos:hasTopConcept seas:power-Reactive-Power .

seas:power-Apparent-Power a skos:Concept, seas:EvaluationInterpretationConcept, seas:Fourier;
  rdfs:label "Apparent Power"@en ;
  skos:prefLabel "Apparent Power"@en ;
  skos:notation "S" ;
  rdfs:comment """Apparent Power means that the given value measures the apparent power of the electric signal, in (VA)."""@en ;
  skos:definition """Apparent Power means that the given value measures the apparent power of the electric signal, in (VA)."""@en ;
  skos:topConceptOf seas:power;
  skos:inScheme   seas:power;
  seas:dimension seas:power ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:power skos:hasTopConcept seas:power-Apparent-Power .

seas:power-Power-Factor a skos:Concept, seas:EvaluationInterpretationConcept, seas:Fourier;
  rdfs:label "Power Factor"@en ;
  skos:prefLabel "Power Factor"@en ;
  skos:notation "cos phi" ;
  rdfs:comment """Power Factor means that the given value measures the cosinus of the voltage with respect to current, unitless."""@en ;
  skos:definition """Power Factor means that the given value measures the cosinus of the voltage with respect to current, unitless."""@en ;
  skos:topConceptOf seas:power;
  skos:inScheme   seas:power;
  seas:dimension seas:unitless ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:power skos:hasTopConcept seas:power-Power-Factor .

seas:power-Imported-Active-Energy a skos:Concept, seas:EvaluationInterpretationConcept, seas:Fourier;
  rdfs:label "Imported Active Energy"@en ;
  skos:prefLabel "Imported Active Energy"@en ;
  skos:notation "ActEner" ;
  rdfs:comment """Imported Active Energy means that the given value measures the imported active energy, often in Wh/10."""@en ;
  skos:definition """Imported Active Energy means that the given value measures the imported active energy, often in Wh/10."""@en ;
  skos:topConceptOf seas:power;
  skos:inScheme   seas:power;
  seas:dimension seas:energy ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:power skos:hasTopConcept seas:power-Imported-Active-Energy .

# CL_TP
seas:tp a skos:ConceptScheme, sdmx:CodeList;
  rdfs:label "Three Phase - codelist scheme"@en;
  skos:prefLabel "Three Phase - codelist scheme"@en;
  skos:notation "CL_TP";
  rdfs:comment """This code list enables to interpret the given value with respect to the connections in three phase."""@en;
  skos:note """This code list enables to interpret the given value with respect to the connections in three phase."""@en;
  skos:definition seas:tp ;
  rdfs:seeAlso seas:Tp ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary .

seas:Tp a rdfs:Class, owl:Class;
  rdfs:subClassOf skos:Concept ;
  rdfs:label "Three Phase - codelist class"@en;
  skos:note """This code list enables to interpret the given value with respect to the connections in three phase."""@en;
  rdfs:seeAlso seas:tp ;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 


seas:tp-R a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "R"@en ;
  skos:prefLabel "R"@en ;
  skos:notation "R" ;
  rdfs:comment """Relative to phase R."""@en ;
  skos:definition """Relative to phase R."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-R .

seas:tp-S a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "S"@en ;
  skos:prefLabel "S"@en ;
  skos:notation "S" ;
  rdfs:comment """Relative to phase S."""@en ;
  skos:definition """Relative to phase S."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-S .

seas:tp-T a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "T"@en ;
  skos:prefLabel "T"@en ;
  skos:notation "T" ;
  rdfs:comment """Relative to phase T."""@en ;
  skos:definition """Relative to phase T."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-T .

seas:tp-N a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "N"@en ;
  skos:prefLabel "N"@en ;
  skos:notation "N" ;
  rdfs:comment """Relative to phase N."""@en ;
  skos:definition """Relative to phase N."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-N .


seas:tp-RN a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "RN"@en ;
  skos:prefLabel "RN"@en ;
  skos:notation "RN" ;
  rdfs:comment """From phase R to neutral."""@en ;
  skos:definition """From phase R to neutral."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-RN .

seas:tp-SN a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "SN"@en ;
  skos:prefLabel "SN"@en ;
  skos:notation "SN" ;
  rdfs:comment """From phase S to neutral."""@en ;
  skos:definition """From phase S to neutral."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-SN .

seas:tp-TN a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "TN"@en ;
  skos:prefLabel "TN"@en ;
  skos:notation "TN" ;
  rdfs:comment """From phase T to neutral."""@en ;
  skos:definition """From phase T to neutral."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-TN .

seas:tp-RS a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "RS"@en ;
  skos:prefLabel "RS"@en ;
  skos:notation "RS" ;
  rdfs:comment """From phase R to phase S."""@en ;
  skos:definition """From phase R to phase S."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-RS .

seas:tp-ST a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "ST"@en ;
  skos:prefLabel "ST"@en ;
  skos:notation "ST" ;
  rdfs:comment """From phase S to phase T."""@en ;
  skos:definition """From phase S to phase T."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-ST .

seas:tp-TR a skos:Concept, seas:EvaluationInterpretationConcept, seas:Tp;
  rdfs:label "TR"@en ;
  skos:prefLabel "TR"@en ;
  skos:notation "TR" ;
  rdfs:comment """From phase T to phase R."""@en ;
  skos:definition """From phase T to phase R."""@en ;
  skos:topConceptOf seas:tp;
  skos:inScheme   seas:tp;
  vs:term_status "testing" ;
  rdfs:isDefinedBy seas:ElectricPowerSystemVocabulary . 

seas:tp skos:hasTopConcept seas:tp-TR .