CT equivalent model
CT equivalent model
(OP)
Does anybody have an equivalent model for a current transformer, please send it to me at dvdinesh@rediffmail.com.
Thanks in advance,
Regards
Dinesh.
Thanks in advance,
Regards
Dinesh.
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RE: CT equivalent model
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jXm Zb
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|Im' |
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===================
Where
I1 = primary current
I2' = secondary current referred to primary
Im' = magnetizing current - flowing down the page
I2' = I1'-Im'
Note that Im' represents an error current in the following sense: As Im' approaches zero, I2' approaches I1.
Xm = magnetizing reactance
Zb = burden (load) impedance
RE: CT equivalent model
Thanks once again.
Regards,
Dinesh.
RE: CT equivalent model
One question...why do you need to know this? Are you trying to model CT performance, or are you looking for something to use from a system modeling perspective?
RE: CT equivalent model
Any info on, How the dimensions of the CT affect its behaviour? and other details regarding CT design will help me a lot. Any websites giving information on this?
Thanks in advance..
RE: CT equivalent model
As for dimensions, the larger the cross-sectional area of the core, the lower the nominal operating flux.
If it were me, I would focus on the ratio.
RE: CT equivalent model
RE: CT equivalent model
I am also looking at other core material like "Nanocrystaline" which is more permeable that "Mu metal".
I will be thankful for any sugession or information on CTs suitable for this application.
RE: CT equivalent model
Also, are you saying that 3.5mm2 wire is good to carry 40A continuously?
Good luck.