Package Modelica.​Electrical.​MultiPhase.​Sensors
Multiphase potential, voltage and current Sensors

Information

This package contains multiphase potential, voltage, and current sensors.

Extends from Modelica.​Icons.​SensorsPackage (Icon for packages containing sensors).

Package Contents

NameDescription
AronSensorthreephase Aron sensor for active power
CurrentQuasiRMSSensorContinuous quasi current RMS sensor for multi phase system
CurrentSensorMultiphase current sensor
MultiSensorMultiphase sensor to measure current, voltage and power
PotentialSensorMultiphase potential sensor
PowerSensorMultiphase instantaneous power sensor
ReactivePowerSensorthreephase sensor for reactive power
VoltageQuasiRMSSensorContinuous quasi voltage RMS sensor for multi phase system
VoltageSensorMultiphase voltage sensor

Model Modelica.​Electrical.​MultiPhase.​Sensors.​PotentialSensor
Multiphase potential sensor

Information

Contains m potential sensors (Modelica.Electrical.Analog.Sensors.PotentialSensor), thus measuring the m potentials phi[m] of the m pins of plug_p.

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device).

Parameters

TypeNameDefaultDescription
Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugplug_p 
output RealOutputphi[m]Absolute voltage potential as output signal

Model Modelica.​Electrical.​MultiPhase.​Sensors.​VoltageSensor
Multiphase voltage sensor

Information

Contains m voltage sensors (Modelica.Electrical.Analog.Sensors.VoltageSensor), thus measuring the m potential differences v[m] between the m pins of plug_p and plug_n.

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device).

Parameters

TypeNameDefaultDescription
Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugplug_p 
NegativePlugplug_n 
output RealOutputv[m]Voltage between pin p and n (= p.v - n.v) as output signal

Model Modelica.​Electrical.​MultiPhase.​Sensors.​VoltageQuasiRMSSensor
Continuous quasi voltage RMS sensor for multi phase system

Information

This sensor determines the continuous quasi RMS value of a multi phase voltage system, representing an equivalent RMS voltage V vector or phasor. If the voltage waveform deviates from a sine curve, the output of the sensor will not be exactly the average RMS value.

 V = sqrt(sum(v[k]^2 for k in 1:m)/m)

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device) and Modelica.​Electrical.​MultiPhase.​Interfaces.​TwoPlug (Component with one polyphase electrical port).

Parameters

TypeNameDefaultDescription
Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugplug_pPositive polyphase electrical plug with m pins
NegativePlugplug_nNegative polyphase electrical plug with m pins
output RealOutputVContinuous quasi RMS of voltage

Model Modelica.​Electrical.​MultiPhase.​Sensors.​CurrentSensor
Multiphase current sensor

Information

Contains m current sensors (Modelica.Electrical.Analog.Sensors.CurrentSensor), thus measuring the m currents i[m] flowing from the m pins of plug_p to the m pins of plug_n.

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device).

Parameters

TypeNameDefaultDescription
Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugplug_p 
NegativePlugplug_n 
output RealOutputi[m]current in the branch from p to n as output signal

Model Modelica.​Electrical.​MultiPhase.​Sensors.​CurrentQuasiRMSSensor
Continuous quasi current RMS sensor for multi phase system

Information

This sensor determines the continuous quasi RMS value of a multi phase current system, representing an equivalent RMS current vector I or phasor. If the current waveform deviates from a sine curve, the output of the sensor will not be exactly the average RMS value.

 I = sqrt(sum(i[k]^2 for k in 1:m)/m)

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device) and Modelica.​Electrical.​MultiPhase.​Interfaces.​TwoPlug (Component with one polyphase electrical port).

Parameters

TypeNameDefaultDescription
Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugplug_pPositive polyphase electrical plug with m pins
NegativePlugplug_nNegative polyphase electrical plug with m pins
output RealOutputIContinuous quasi average RMS of current

Model Modelica.​Electrical.​MultiPhase.​Sensors.​PowerSensor
Multiphase instantaneous power sensor

Information

This power sensor measures instantaneous electrical power of a multiphase system and has a separated voltage and current path. The plugs of the voltage path are pv and nv, the plugs of the current path are pc and nc. The internal resistance of each current path is zero, the internal resistance of each voltage path is infinite.

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device).

Parameters

TypeNameDefaultDescription
Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugpcPositive plug, current path
NegativePlugncNegative plug, current path
PositivePlugpvPositive plug, voltage path
NegativePlugnvNegative plug, voltage path
output RealOutputpower 

Model Modelica.​Electrical.​MultiPhase.​Sensors.​MultiSensor
Multiphase sensor to measure current, voltage and power

Information

This multi sensor measures currents, voltages and instantaneous electrical power of a multiphase system and has separated voltage and current paths. The plugs of the voltage paths are pv and nv, the plugs of the current paths are pc and nc. The internal resistance of each current path is zero, the internal resistance of each voltage path is infinite.

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device).

Parameters

TypeNameDefaultDescription
Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugpcPositive plug, current path
NegativePlugncNegative plug, current path
PositivePlugpvPositive plug, voltage path
NegativePlugnvNegative plug, voltage path
output RealOutputi[m]Current as output signal
output RealOutputv[m]Voltage as output signal
output RealOutputpower[m]Instantaneous power as output signal
output RealOutputpowerTotalSum of instantaneous power as output signal

Model Modelica.​Electrical.​MultiPhase.​Sensors.​AronSensor
threephase Aron sensor for active power

Information

Contains 2 power meters (Modelica.Electrical.Analog.Sensors.PowerSensor) to measure total active power in a threephase system.

This device works only for sinusoidal voltages and currents in threephase systems without neutral.

Elmar Schrüfer, Leonhard Reindl, Bernhard Zagar: Elektrische Messtechnik. Carl Hanser Verlag.
Reinhard Lerch: Elektrische Messtechnik. Springer Vieweg.

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device).

Parameters

TypeNameDefaultDescription
final Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugplug_p 
NegativePlugplug_n 
output RealOutputpoweractive power

Model Modelica.​Electrical.​MultiPhase.​Sensors.​ReactivePowerSensor
threephase sensor for reactive power

Information

Contains 3 power meters (Modelica.Electrical.Analog.Sensors.PowerSensor) to measure total reactive power in a threephase system.

Thomas Mühl: Elektrische Messtechnik. Springer Vieweg.

Extends from Modelica.​Icons.​RotationalSensor (Icon representing a round measurement device).

Parameters

TypeNameDefaultDescription
final Integerm3Number of phases

Connectors

TypeNameDescription
PositivePlugplug_p 
NegativePlugplug_n 
output RealOutputreactivePowerreactive power

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