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POInduction Motor Modelica
 

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    <p>I have to made an Induction Motor Model by myself and my first step was to just replicate an already existing example i.e. <code>Electrical.Machines.Examples.AsynchronousInductionMachines.AIMC_DOL</code>. Now I have replicated it but I can't parameterize the <code>AIM_SquirrelCage</code> because I can't set all the default values in it. Please see attachments. And help thanks. </p> <pre><code>Errors: ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Symbolic 04:26:49 0:0-0:0 Too few equations, underdetermined system. The model has 485 equation(s) and 488 variable(s) Translation 04:26:49 0:0-0:0 Parameter aimc.statorCore.coreParameters.wRef has neither value nor start value, and is fixed during initialization (fixed=true) Translation 04:26:49 0:0-0:0 Parameter aimc.strayLoad.strayLoadParameters.wRef has neither value nor start value, and is fixed during initialization (fixed=true) Translation 04:26:49 0:0-0:0 Parameter aimc.friction.frictionParameters.wRef has neither value nor start value, and is fixed during initialization (fixed=true) Translation 04:26:49 D:/SF/OpenModelica1.9.0/lib/omlibrary/Modelica 3.2.1/Electrical/Machines.mo 12984:7-12987:74 Modification or redeclaration of protected elements is not allowed. Element: aimc.internalThermalPort, modification: redeclare final .Modelica.Electrical.Machines.Interfaces.InductionMachines.ThermalPortAIMC internalThermalPort. Translation 04:26:49 0:0-0:0 Parameter aimc.friction.frictionParameters.wRef has neither value nor start value, and is fixed during initialization (fixed=true) Translation 04:26:49 0:0-0:0 Parameter wRef has neither value nor start value, and is fixed during initialization (fixed=true) Translation 04:26:49 0:0-0:0 Parameter aimc.statorCore.coreParameters.VRef has neither value nor start value, and is fixed during initialization (fixed=true) </code></pre>
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    1. COI assume that Modelica is an electrical/physics modeling/simulation package of some sort. (Google suggests similar to Simulink.) There are a few folks around here who use it (based on a search of prior questions) but a lot of folks have no idea what it is and thus consider your question too vague. Your question is a bit light on input data, regardless.
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    2. COI agree that your question is a bit light on input data, in order to help you we need at least the modelica code of your model. Which modelica-based simulation tool are you using? Which version of the Modelica Standard Library? These errors refers to the check of whiich model (AIM_SquirrelCage, or whole InductionMachine)?
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