我必须自己制作一个感应电机模型，我的第一步是复制一个已经存在的示例，即Electrical.Machines.Examples.AsynchronousInductionMachines.AIMC_DOL. 现在我已经复制了它，但我不能参数化它，AIM_SquirrelCage因为我不能设置它的所有默认值。请看附件。并帮助谢谢。
Errors:
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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)