Comments (9)
christiankral
commented on August 15, 2024
Incorporated all initial conditions in tag v0.9.3
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christiankral
commented on August 15, 2024
Thanks for pointing out the missing initial conditions. I hope they're all fixed by now.
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tbeu
commented on August 15, 2024
All warnings are gone except
Warning In WindPowerPlants.Examples.GenericPlantElectricRealData
The structure of the initial equation system is singular.Equations are missing.
plant.windturbine.turbine.phi:
| plant.generator.mechanicalPowerSensor.flange_a.phi --> plant.generator.mechanicalPowerSensor.flange_a.phi=plant.idealGear.ratio* plant.windturbine.turbine.phi;
Equations, which do not assign a variable:
.
Message Name: Check.Singular
Warning In WindPowerPlants.Examples.GenericPlantElectricRealData
There is no unique solution for the variable plant.windturbine.turbine.phi. If applicable, add a fixed initial value, initial equation or initial assignment.
Message Name: InitialSystem.IterationVar
Warning In WindPowerPlants.Examples.GenericPlantElectricRealData
There is no start attribute of state plant.windturbine.phi. It is set to 0.
Message Name: Check.StartAttrMissing
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tbeu
commented on August 15, 2024
Setting plant.windturbine.phi.fixed = true removes all of these 3 warnings left.
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christiankral
commented on August 15, 2024
Fixed master with fixed=true for plant.windturbine.phi.
I hope everything works now. Please check and let me know.
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tbeu
commented on August 15, 2024
Now it is overdetermined, i.e. too many fixed variables.
Warning In WindPowerPlants.Examples.GenericPlantRayleigh
The system of equations for the initial value computation is overdetermined.
Free some of the following fixations:
plant.windturbine.flange_a.phi(start=plant.windturbine.phi.start)
Message Name: InitialSystem.ToManyInitialEqns.Start
Warning In WindPowerPlants.Examples.GenericPlantRealData
The system of equations for the initial value computation is overdetermined.
Free some of the following fixations:
plant.windturbine.flange_a.phi(start=plant.windturbine.phi.start)
Message Name: InitialSystem.ToManyInitialEqns.Start
Warning In WindPowerPlants.Examples.Modelica2015Conference.GenericPlant_A
The system of equations for the initial value computation is overdetermined.
Free some of the following fixations:
plant.windturbine.flange_a.phi(start=plant.windturbine.phi.start)
Message Name: InitialSystem.ToManyInitialEqns.Start
Warning In WindPowerPlants.Examples.Modelica2015Conference.GenericPlant_B
The system of equations for the initial value computation is overdetermined.
Free some of the following fixations:
plant.windturbine.flange_a.phi(start=plant.windturbine.phi.start)
Message Name: InitialSystem.ToManyInitialEqns.Start
Warning In WindPowerPlants.Examples.Modelica2015Conference.GenericPlant_C
The system of equations for the initial value computation is overdetermined.
Free some of the following fixations:
plant.windturbine.flange_a.phi(start=plant.windturbine.phi.start)
Message Name: InitialSystem.ToManyInitialEqns.Start
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tbeu
commented on August 15, 2024
Setting plant.windturbine.phi.fixed = true not generally but only in WindPowerPlants.Examples.GenericPlantElectricRealData did work out.
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christiankral
commented on August 15, 2024
My fault, I forgot to remove the original initial equation. Please test again.
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tbeu
commented on August 15, 2024
Fix confirmed.
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Related Issues (16)
- use of non-standard "NumberOfIntervals" annotation HOT 2
- Update Eberhart2015 reference HOT 3
- Numerically strange cp value HOT 16
- cpVal function: Possible typo HOT 8
- HTML conventions are not followed for h3 HOT 1
- Start time behavior of TriangleAndStep is wrong
- Change license to BSD 3 HOT 1
- Fix version wrong annotation version number and data
- Add unit of energy to output of power integrator in examples
- Enable of dialog in WindPowerPlants.WindSources.RealData is wrong
- Switch to MSL 3.2.3
- Switch to MSL 3.2.3 HOT 1
- Use full qualified class names in all examples to simlify duplication HOT 1
- Fully set initial conditions of simulation examples
- Change lambda1 to lambda_i in function WindPowerPlants.Functions.cpVal
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