DCPM_CoolingTest example: Cooling of a DCPM motor |
This information is part of the Modelica Standard Library maintained by the Modelica Association.
Test example: Demonstrate cooling of a DCPM motorVa |
Value: 100 Type: Voltage (V) Description: Actual armature voltage |
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Ve |
Value: 100 Type: Voltage (V) Description: Actual excitation voltage |
w0 |
Value: Modelica.Units.Conversions.from_rpm(1500) Type: AngularVelocity (rad/s) Description: No-load speed |
TLoad |
Value: 63.66 Type: Torque (N·m) Description: Nominal load torque |
JLoad |
Value: 0.15 Type: Inertia (kg·m²) Description: Load's moment of inertia |
TAmbient |
Value: 293.15 Type: Temperature (K) Description: Ambient temperature |
Ca |
Value: 20 Type: HeatCapacity (J/K) Description: Armature's heat capacity |
Cc |
Value: 50 Type: HeatCapacity (J/K) Description: Core's heat capacity |
Losses |
Value: dcpm.Ra * dcpm.IaNominal ^ 2 Type: Power (W) Description: Nominal Losses |
T0 |
Value: 293.15 Type: Temperature (K) Description: Reference temperature 20 degC |
dTCoolant |
Value: 10 Type: TemperatureDifference (K) Description: Coolant's temperature rise |
dTArmature |
Value: dcpm.TaNominal - T0 - dTCoolant / 2 Type: TemperatureDifference (K) Description: Armature's temperature rise over coolant |
G_armature_core |
Value: 2 * Losses / dTArmature Type: ThermalConductance (W/K) Description: Heat conductance armature - core |
G_core_cooling |
Value: 2 * Losses / dTArmature Type: ThermalConductance (W/K) Description: Heat conductance core - cooling |
CoolantFlow |
Value: 50 Type: VolumeFlowRate (m³/s) Description: Coolant flow |
dcpmData |
Value: Type: DcPermanentMagnetData |
dcpm |
Type: DC_PermanentMagnet Description: DC machine data |
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armatureVoltage |
Type: ConstantVoltage |
|
groundArmature |
Type: Ground |
|
loadInertia |
Type: Inertia |
|
loadTorque |
Type: Torque |
|
pulse |
Type: Pulse |
|
armature |
Type: HeatCapacitor |
|
armatureCore |
Type: ThermalConductor |
|
core |
Type: HeatCapacitor |
|
coreCooling |
Type: ThermalConductor |
|
inlet |
Type: Ambient |
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volumeFlow |
Type: VolumeFlow |
|
cooling |
Type: Pipe |
|
outlet |
Type: Ambient |
|
fixedTemperature |
Type: FixedTemperature |
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dcpmData |
Type: DcPermanentMagnetData |