WOLFRAM SYSTEMMODELER

ControlledTemperature

Control temperature of a resistor

Diagram

Wolfram Language

In[1]:=
SystemModel["Modelica.Thermal.HeatTransfer.Examples.ControlledTemperature"]
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Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

A constant voltage of 10 V is applied to a temperature dependent resistor of 10*(1+(T-20C)/(235+20C)) Ohms, whose losses v**2/r are dissipated via a thermal conductance of 0.1 W/K to ambient temperature 20 degree C. The resistor is assumed to have a thermal capacity of 1 J/K, having ambient temperature at the beginning of the experiment. The temperature of this heating resistor is held by an OnOff-controller at reference temperature within a given bandwidth +/- 1 K by switching on and off the voltage source. The reference temperature starts at 25 degree C and rises between t = 2 and 8 seconds linear to 50 degree C. An appropriate simulating time would be 10 seconds.

Parameters (2)

TAmb

Value: 293.15

Type: Temperature (K)

Description: Ambient Temperature

TDif

Value: 2

Type: TemperatureDifference (K)

Description: Error in Temperature

Outputs (1)

TRes

Default Value: heatingResistor.T_heatPort

Type: Temperature (K)

Description: Resulting Temperature

Components (11)

ground

Type: Ground

constantVoltage

Type: ConstantVoltage

heatCapacitor

Type: HeatCapacitor

heatingResistor

Type: HeatingResistor

fixedTemperature

Type: FixedTemperature

temperatureSensor

Type: TemperatureSensor

thermalConductor

Type: ThermalConductor

idealSwitch

Type: IdealOpeningSwitch

ramp

Type: Ramp

onOffController

Type: OnOffController

logicalNot

Type: Not