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September 6, 2024 at 6:41 am
20171437
SubscriberI am curious as to why 0 current is applied to the magnet when simulating a permanent magnet motor.
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September 9, 2024 at 10:58 am
Aravind Babu
Ansys EmployeeIt is to make sure that the induced eddy currents are seen only in the magnet. In 2D the calculated eddy current is only seen in the Z axis, so it can be misinterpreted as a current flow, when in reality it's just scattered current loops in the material. So we assign zero current to force direct flow to be zero
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September 9, 2024 at 1:07 pm
20171437
SubscriberFirst of all, thank you for your kind reply.
Do you mean that the magnet also has conductivity, so it will automatically create a current loop within the simulation program?
And I don't really understand what you can see on the z-axis in the 2D analysis and the story that it can be confused with eddy currents.
I'd appreciate it if you could explain it in a little more detail.
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