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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 The information provided may be out of date.

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adding a electrical circuit to a coil

Posted 26.09.2013, 08:17 GMT-4 Low-Frequency Electromagnetics Version 4.3 2 Replies

Koushik Sasmal
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How can I add an electrical circuit with a coil? I have two coils and I am trying to find out the power transmission from the sending coil to the receiving coil.Please tell me how can I connect resistance and capacitance with the coils.
Also how can I feed power or connect an electrical circuit with a multi turn coil.I am using comsol 4.3.
2 Replies Last Post 27.09.2013, 07:33 GMT-4
kishore naik
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Posted: 1 decade ago 26.09.2013, 11:39 GMT-4
Dear
if u want to use circuit physics then add it from add study and add the circuit and there is example on transformer in comsol model

--
kishore Naik Mude
Dear if u want to use circuit physics then add it from add study and add the circuit and there is example on transformer in comsol model -- kishore Naik Mude
Koushik Sasmal
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Posted: 1 decade ago 27.09.2013, 07:33 GMT-4
Thanks for the reply.I checked the transformer example and my doubt is almost clear.
But I still have one doubt as to how to put the FEM model into the SPICE netlist.Below I give the netlist where I am having the query.

X1 2 0 primFEM
X2 3 0 secFEM
RsecExt 3 0 1
.SUBCKT primFEM Vprim i1 COMSOL: *
.ENDS
.SUBCKT secFEM Vsec i2 COMSOL: *
.ENDS
.END

please tell me what is Vprim i1 or Vsec i2. Is it the name of the file to be connected in Comsol? Are these variables defined in Comsol model?
tell me what is to be written there.
Thanks for the reply.I checked the transformer example and my doubt is almost clear. But I still have one doubt as to how to put the FEM model into the SPICE netlist.Below I give the netlist where I am having the query. X1 2 0 primFEM X2 3 0 secFEM RsecExt 3 0 1 .SUBCKT primFEM Vprim i1 COMSOL: * .ENDS .SUBCKT secFEM Vsec i2 COMSOL: * .ENDS .END please tell me what is Vprim i1 or Vsec i2. Is it the name of the file to be connected in Comsol? Are these variables defined in Comsol model? tell me what is to be written there.

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