v1.0
2017-08-24
The SEAS Electric Power System ontology
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.
Gabriel Santos
Lynda TEMAL
2016-06-06
seas
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An electrical ballast is a device placed in line with the load to limit the amount of current in an electrical circuit.
It may be a fixed or variable resistor.
A familiar and widely used example is the inductive ballast used in fluorescent lamps to limit the current through the tube,
which would otherwise rise to a destructive level due to the negative differential resistance artifact in the tube's voltage-current
characteristic. Ballasts vary greatly in complexity. They may be as simple as a resistor, inductor or capacitor (or a combination of these)
wired in series with the lamp; or as complex as the electronic ballasts used in compact fluorescent lamps and high-intensity discharge lamps.
(source:wikipedia)
Electrical Ballast
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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.
Sistema de Transmissão
Electric Power Transmission System
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The class of properties that are quantifiable and have a quantity kind of electric conductance.
Electric Conductance Property
Electric Power Line
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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.
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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.
Electric Power System
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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.
Two-Wire Direct Current Power Bus
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The class of evaluations for efficiency properties.
Efficiency Evaluation
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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.
Three-Wire Direct Current Power Bus
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The voltage is High according to IEC 60038.
High Voltage Evaluation
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The voltage is Extra-Low according to IEC 60038.
Extra-Low Voltage Evaluation
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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
Electric Power Storage System
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The class of properties that are quantifiable and have a quantity kind of electric power.
Electric Power Property
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The class of properties that are quantifiable and have a quantity kind of electric energy.
Electric Energy Property
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An electric power producer is an electric power system that is capable of producing electricity.
Electric Power Producer
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The voltage is Low according to IEC 60038.
Low Voltage
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The class of properties that are quantifiable and have a quantity kind of electric resistance.
Electric Resistance Property
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The class of properties that are quantifiable and have a quantity kind of electric susceptance.
Electric Susceptance Property
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The class of evaluations for electric conductance properties.
Electric Conductance Evaluation
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An electric power consumer is an electric power system that is capable of consuming electricity.
Electric Power Consumer
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The class of power connection points through which energy flows using split-phase alternating current.
Split Phase Current Connection Point
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The class of evaluations for electric resistance properties.
Electric Resistance Evaluation
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The class of evaluations for electric energy properties.
Electric Energy Evaluation
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A Magnetic ballast is a Ballast which is Magnetic
Magnetic ballast
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The voltage is Medium according to IEC 60038.
Medium Voltage
Electric Power Transformer
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.
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Charging Efficiency Property is a Efficiency Property which concern the charging process
Charging Efficiency Property
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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.
Three-Wire Direct Current Connection Point
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The class of properties that are quantifiable and use a quantity dimension of electric potential.
Voltage Property
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The voltage is Medium according to IEC 60038.
Medium Voltage Evaluation
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The voltage is Extra-Low according to IEC 60038.
Extra-Low Voltage
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The class of electric power connections through which energy flows using alternating current.
Alternating Current Connection
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A Facade Electric Power DistributionNetwork is an ElectricPowerDistributionNetwork which is hanging along a facade.
Facade Electric Power Distribution Network
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The class of evaluations for electric power properties.
Electric Power Evaluation
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The class of electric power connection points through which energy flows using alternating current.
Alternating Current Connection Point
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The class of properties that are quantifiable and measure the angle property .
Angle Property
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A single phase power bus is a connection composed of two wires (plus the protective earth):
wire for the phase;
wire for the neutral.
Single Phase Power Bus
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The class of electrical connection points through which energy flows using direct current.
Direct Current Connection Point
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The voltage is High according to IEC 60038.
High Voltage
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The class of properties that are quantifiable and use a quantity dimension of electric current.
Current Property
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A power box (USA) or feeder pillar (UK) is a cabinet for electrical equipment,
mounted in the street and controlling the electrical supply to a number of houses in a neighborhood. (source:wikipedia)
Power box
Electrical Connection
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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> .
```
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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.
Split Phase Power Bus
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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.
Three-Phase Power Bus
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An Overhead Electric Power DistributionNetwork is an ElectricPowerDistributionNetwork which is suspended in the air.
Overhead Electric Power Distribution Network
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The class of evaluations for voltage properties.
Voltage Evaluation
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A Digital ballast is a Ballast which is Digital
Digital ballast
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The class of evaluations for efficiency properties.
Charging Efficiency Evaluation
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An Underground Electric Power Distribution Network is an ElectricPowerDistributionNetwork which is buried underground.
Underground Electric Power Distribution Network
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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.
Three-Phase Connection Point
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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.
Two-Wire Direct Current Connection Point
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The class of properties that are quantifiable and have a quantity kind of electric reactance.
Electric Reactance Property
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An electronic ballast uses solid state electronic circuitry to provide the proper starting and operating electrical conditions to power discharge lamps.
An electronic ballast can be smaller and lighter than a comparably-rated magnetic one. An electronic ballast is usually quieter than a magnetic one,
which produces a line-frequency hum by vibration of the transformer laminations.
(source:wikipedia)
Electronic ballast
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The class of evaluations for angle properties.
Angle Evaluation
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The class of evaluations for current properties.
Current Evaluation
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Electric Power Distribution Network is a network used to distribute the electric power.
Figure below shows the taxonomy of Electric Power Distribution Network according to the installation mode of Electric Line or cable.
[![ElectricPowerDistributionNetworkTaxonomy](https://w3id.org/seas/ElectricPowerDistributionNetwork-1.png)](https://w3id.org/seas/ElectricPowerDistributionNetwork-1.png)
Electric Power Distribution Network.
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The voltage is Low according to IEC 60038.
Low Voltage Evaluation
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The class of electrical connections through which energy flows using direct current.
Direct Current Connection
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.
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Electrical Connection Point
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The class of electric power properties for alternating current.
An alternating current power property cannot be directly quantified. One must quantify its individual power properties.
Alternating Current Power Property
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The class of evaluations for electric reactance properties.
Electric Reactance Evaluation
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Efficiency signifies a level of performance that describes a process that uses the lowest amount of inputs to create the greatest
amount of outputs. Efficiency relates to the use of all inputs in producing any given
output, including personal time and energy. Efficiency is a measurable concept that can be
determined by determining the ratio of useful output to total input. It minimizes the waste
of resources such as physical materials, energy and time, while successfully achieving the
desired output.
Efficiency Property
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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.
Single Phase Connection Point
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The voltage is Extra-High according to IEC 60038.
Extra-High Voltage
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The class of evaluations for electric susceptance properties.
Electric Susceptance Evaluation
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The voltage is Extra-High according to IEC 60038.
Extra-High Voltage Evaluation
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Links an electrical connection point to one of its resistance properties.
There may be many resistance properties of an electrical connection point, so this property is not functional.
electric resistance
consumed electric energy
Links an electric energy system to the consumed electric energy.
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Links an electric power transformer to its primary connection point
connects primarily at
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Links a feature of interest to one of its electric energy properties.
There may be many energy properties for a feature of interest, so this property is not functional.
electric energy
connects system in RN
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Links a three-phase power bus to one of the electric power systems it connects with a RN configuration.
stable
Links a three-phase connection point to a three-phase power bus connection with which it is connected with a star configuration.
connects system in star through
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Links an electrical connection point to one of its susceptance properties.
There may be many susceptance properties of an electrical connection point, so this property is not functional.
electric susceptance
electric power balance
Links an electric power system, or an electrical connection point, to the balance between the incoming electric power and the outgoing electric power.
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Links an electric power system to the storage electric power.
storage electric power
stable
Links an electric power system to a three-phase power bus connection with which it is connected with a star configuration.
connected in star through
Links an alternating current power property to its apparent part (i.e., the module of the complex value).
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active power
stable
Links a three-phase power bus to one of the electric power systems it connects with a TN configuration.
connects system in TN
connected in Hot1-to-Hot2 through
stable
Links an electric power system to a split-phase power bus connection with which it is connected with a hot1-to-hot2 configuration.
stable
Links an electric power system to a three-phase power bus connection with which it is connected with a SN configuration.
connected in SN through
stable
Links a split-phase power bus to one of the electric power systems it connects with a hot1-to-N configuration.
connects system in Hot1-to-N
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Link the voltage property to the angle.
voltage angle
connects system in SN through
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Links a single phase connection point to a three-phase power bus connection with which it is connected with a SN configuration.
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Links a feature of interest to one of its electric power properties.
There may be many power properties for a feature of interest, so this property is not functional.
electric power
stable
Links a three-phase power bus to one of the three-phase connection points it connects with a star configuration.
connects system in star at
Links an electric energy system to the produced electric energy.
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produced electric energy
stable
connects system in RN through
Links a single phase connection point to a three-phase power bus connection with which it is connected with a RN configuration.
stable
Links an electric power system to a three-phase power bus connection with which it is connected with a RN configuration.
connected in RN through
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links a system to the systems its powers.
powers
stable
Links a three-phase power bus to one of the electric power systems it connects with a triangle configuration.
connects system in triangle
stable
Links a split-phase power bus to one of the electric power systems it connects with a hot1-to-hot2 configuration.
connects system in Hot1-to-Hot2
stable
Links an electric power system to a three-phase power bus connection with which it is connected with a triangle configuration.
connected in triangle through
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Links an electrical connection or an electrical connection point to one of its voltage properties.
There may be many voltage properties of an electrical connection or an electrical connection point, so this property is not functional.
voltage
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links a System to it powered system.
is powered by
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Links an electric energy system, or an electrical connection point, to the balance between the incoming electric energy and the outgoing electric energy.
electric energy balance
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Links an electrical connection point to one of its reactance properties.
There may be many reactance properties of an electrical connection point, so this property is not functional.
electric reactance
stable
Links an electric power system to a split-phase power bus connection with which it is connected with a hot1-to-N configuration.
connected in Hot1-to-N through
stable
connects system in SN
Links a three-phase power bus to one of the electric power systems it connects with a SN configuration.
Links a three-phase power bus to one of the electric power systems it connects with a star configuration.
stable
connects system in star
stable
Links an electric power system to a split-phase power bus connection with which it is connected with a hot2-to-hot1 configuration.
connected in Hot2-to-Hot1 through
stable
Links a split-phase power bus to one of the electric power systems it connects with a hot2-to-N configuration.
connects system in Hot2-to-N
stable
Links a three-phase power bus to one of the three-phase connection points it connects with a triangle configuration.
connects system in triangle at
stable
Links a three-phase power bus to one of the single phase connection points it connects with a TN configuration.
connects system in TN at
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Links an electric power transformer to its primary connection
primarily connected through
Links an electric power system to the produced electric power.
produced electric power
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Links an electrical connection point to one of its conductance properties.
There may be many conductance properties of an electrical connection point, so this property is not functional.
electric conductance
stable
Links a three-phase connection point to a three-phase power bus connection with which it is connected with a triangle configuration.
connects system in triangle through
Links an alternating current power property to its reactive part (i.e., the imaginary part of the complex value).
active power
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connected in Hot2-to-N through
Links an electric power system to a split-phase power bus connection with which it is connected with a hot2-to-N configuration.
stable
stable
Links a three-phase power bus to one of the single phase connection points it connects with a SN configuration.
connects system in SN at
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Links an electric power transformer to its secondary connection point
connects secondarily at
Links a single phase connection point to a three-phase power bus connection with which it is connected with a TN configuration.
stable
connects system in TN through
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Links an electrical connection point to one of its current properties.
There may be many current properties of a connection point, so this property is not functional.
electrical current
stable
Links a split-phase power bus to one of the electric power systems it connects with a hot2-to-hot1 configuration.
connects system in Hot2-to-Hot1
stable
Links an electric power system to a three-phase power bus connection with which it is connected with a TN configuration.
connected in TN through
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Links an electric power transformer to its secondary connection
secondarily connected through
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Links a three-phase power bus to one of the single phase connection points it connects with a RN configuration.
connects system in RN at
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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.
exchanges electricity with
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Links a three-phase power bus or a three-phase connection point to the voltage between its R and its S wires.
R-to-S voltage
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Links a three-phase connection point to the conductance between its T and its R wires.
T-to-R conductance
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Links a three-phase connection point to the reactance between its S and its N wires.
S-to-N reactance
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Links a three-phase connection point to the current in its R wire. By convention, the value is positive if it enters the system.
R Current
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Links a three-phase power bus or a three-phase connection point to the voltage between its T and its N wires.
T-to-N voltage
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Links a direct current connection point to the current in its mid-wire. By convention, the value is positive if it enters the system.
Please contact us in case this convention is incorrect.
mid wire current
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Links a direct current power bus or a direct current connection point to the voltage between its mid and its negative wires.
mid to negative voltage
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Links a three-phase connection point to the current in its T wire. By convention, the value is positive if it enters the system.
T Current
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Links a three-phase connection point to the conductance between its T and its N wires.
T-to-N conductance
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Links a three-phase connection point to the current in its N wire. By convention, the value is positive if it enters the system.
N Current
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Links a three-phase connection point to the conductance between its R and its S wires.
R-to-S conductance
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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.
sub electric power system of
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Links a three-phase power bus or a three-phase connection point to the voltage between its S and its T wires.
S-to-T voltage
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Links a direct current connection point to the susceptance between its positive and its mid wires.
positive to mid susceptance
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Links a three-phase connection point to the resistance between its S and its T wires.
S-to-T resistance
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Links a three-phase connection point to the susceptance between its S and its N wires.
S-to-N susceptance
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Links a direct current connection point to the resistance between its mid and its negative wires.
mid to negative resistance
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Links a direct current connection point to the current in its positive wire. By convention, the value is positive if it enters the system.
Please contact us in case this convention is incorrect.
positive wire current
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Links a direct current power bus or a direct current connection point to the voltage between its positive and its mid wires.
positive to mid voltage
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Links a three-phase connection point to the reactance between its T and its R wires.
T-to-R reactance
consumed electric power
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Links an electric power system to the consumed electric power.
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Links a three-phase connection point to the reactance between its R and its S wires.
R-to-S reactance
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Links a three-phase connection point to the resistance between its T and its R wires.
T-to-R resistance
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Links an electric energy system, or an electrical connection point, to the outgoing electric energy.
(a) the sum of the electric energy that leaves the system from the exterior, or
(b) the electric energy that leaves the system through this connection point.
outgoing electric energy
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Links a direct current connection point to the reactance between its mid and its negative wires.
mid to negative reactance
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Links a three-phase power bus or a three-phase connection point to the voltage between its T and its R wires.
T-to-R voltage
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Links a three-phase connection point to the susceptance between its T and its R wires.
T-to-R susceptance
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Links a three-phase power bus or a three-phase connection point to the voltage between its S and its N wires.
S-to-N voltage
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Links a direct current connection point to the susceptance between its positive and its negative wires.
positive to negative susceptance
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Links a three-phase connection point to the susceptance between its R and its S wires.
R-to-S susceptance
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Links a single phase connection point to the conductance between its phase and neutral wires.
phase to neutral conductance
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Links a three-phase connection point to the susceptance between its S and its T wires.
S-to-T susceptance
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Links a direct current connection point to the reactance between its positive and its negative wires.
positive to negative reactance
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Links a direct current power bus or a direct current connection point to the voltage between its positive and its negative wires.
positive to negative voltage
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Links a three-phase connection point to the current in its S wire. By convention, the value is positive if it enters the system.
S Current
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Links a single phase connection point to the reactance between its phase and neutral wires.
phase to neutral reactance
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Links a direct current connection point to the conductance between its mid and its negative wires.
mid to negative conductance
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Links a three-phase connection point to the resistance between its R and its S wires.
R-to-S resistance
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Links a three-phase connection point to the conductance between its S and its T wires.
S-to-T conductance
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Links a direct current connection point to the conductance between its positive and its negative wires.
positive to negative conductance
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Links a single phase connection point to the current in its phase wire. By convention, the value is positive if it enters the system.
phase wire current
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Links a three-phase power bus or a three-phase connection point to the voltage between its R and its N wires.
R-to-N voltage
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The lenght of the feature of interest
length
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Links an electric energy system to the stored electric energy.
stored electric energy
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Links a direct current connection point to the reactance between its positive and its mid wires.
positive to mid reactance
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Links a three-phase connection point to the susceptance between its R and its N wires.
R-to-N susceptance
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Links a three-phase connection point to the susceptance between its T and its N wires.
T-to-N susceptance
outgoing electric power
Links an electric power system, or an electrical connection point, to the outgoing electric power.
(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.
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Links a three-phase connection point to the reactance between its T and its N wires.
T-to-N reactance
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Links a single phase connection point to the resistance between its phase and neutral wires.
phase to neutral resistance
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Links a direct current connection point to the resistance between its positive and its negative wires.
positive to negative resistance
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The efficiency of the feature of interest.
efficiency
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The Tap changer to change the voltage regulation of the transformer.
tap Changer
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Links a three-phase connection point to the resistance between its T and its N wires.
T-to-N resistance
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Links an electric energy system, or an electrical connection point, to the incoming electric energy.
(a) the sum of the electric energy that enter the system from the exterior, or
(b) the electric energy that enters the system through this connection point.
incoming electric energy
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Links a three-phase connection point to the reactance between its S and its T wires.
S-to-T reactance
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Links a single phase connection point to the susceptance between its phase and neutral wires.
phase to neutral susceptance
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Links a direct current connection point to the current in its negative wire. By convention, the value is positive if it enters the system.
Please contact us in case this convention is incorrect.
negative wire current
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Links a direct current connection point to the conductance between its positive and its mid wires.
positive to mid conductance
Links an alternating current power property to its active part (i.e., the real part of the complex value).
active power
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Links an alternating current power property to its imported active energy, often in Wh/10.
imported active znergy
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Links a direct current connection point to the susceptance between its mid and its negative wires.
mid to negative susceptance
incoming electric power
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Links an electric power system, or an electrical connection point, to the incoming electric power.
(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.
testing
Links a three-phase connection point to the reactance between its R and its N wires.
R-to-N reactance
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Links an alternating current power property to its power factor (i.e., the cosinus of the voltage with respect to current, unitless).
power factor evaluation
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Links a single phase connection point to the current in its neutral wire. By convention, the value is positive if it leaves the system.
neutral wire current
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Links a direct current connection point to the resistance between its positive and its mid wires.
positive to mid resistance
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Links a three-phase connection point to the conductance between its S and its N wires.
S-to-N conductance
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Links a single phase power bus or a single phase connection point to the voltage between its phase and neutral wires.
phase to neutral voltage
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Links a three-phase connection point to the resistance between its R and its N wires.
R-to-N resistance
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Links a three-phase connection point to the resistance between its S and its N wires.
T-to-N resistance
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Links a three-phase connection point to the conductance between its R and its N wires.
R-to-N conductance