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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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Joules heating in a Primary terminal of Current Transformer.

Posted Jun 15, 2012, 7:16 a.m. EDT Low-Frequency Electromagnetics, Heat Transfer & Phase Change Version 4.3 3 Replies

Saikat Dutta
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Hello..

I am trying to model a Primary terminal of A Current Transformer. The terminal is to carry a current of 300 Amps. I am stuck with how to inject the current into the system, so that I get the potential drop as well as the Heating of the terminal. Can anyone please help me out. I am attaching my model here.

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3 Replies Last Post Aug 31, 2012, 1:27 p.m. EDT
Saikat Dutta
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Posted: 1 decade ago Jun 15, 2012, 11:53 a.m. EDT
I have tried with potential at the terminal but still I am getting error. If anyone can help me , I would be grateful .

Thanks in advance.. :)
I have tried with potential at the terminal but still I am getting error. If anyone can help me , I would be grateful . Thanks in advance.. :)

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brockap3
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Posted: 1 decade ago Aug 31, 2012, 11:21 a.m. EDT
Hi, I am currently trying to model one of my inductors that I have done many times in past versions of COMSOL but appear to get the same error. I will be looking into this.
Hi, I am currently trying to model one of my inductors that I have done many times in past versions of COMSOL but appear to get the same error. I will be looking into this.
brockap3
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Posted: 1 decade ago Aug 31, 2012, 1:27 p.m. EDT
Just so you know, if you are still looking, the inductor_3d example model in the model library shows how it works somewhat well. I had to create a little air element between my terminals that acted as the terminal port with both + and - sides, and using the electrical circuit setup. That model is a good guide though.
Just so you know, if you are still looking, the inductor_3d example model in the model library shows how it works somewhat well. I had to create a little air element between my terminals that acted as the terminal port with both + and - sides, and using the electrical circuit setup. That model is a good guide though.

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