Re: Henry's current transformer problem
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For some ferrites, the Curie temperature, at which Br falls to zero, is not far above 100 degrees C. ? With best wishes DESIGN IT IN! OOO ¨C Own Opinions Only J M Woodgate and Associates Rayleigh England ? Sylvae in aeternum manent. ?
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From: LTspice@... [mailto:LTspice@...]
Sent: Friday, August 5, 2016 2:09 PM
To: LTspice@...
Subject: Re: [LTspice] Re: Henry's current transformer problem? ? From the available data we have not seen Br depending temperature change from 25¡ã C to 100¡ã C.
Bordodynov.
05.08.2016, 15:56, "hkafeman@... [LTspice]" <ltspice@...>:
> Borodoynov
>
> Thank you that looks like a good typical material to use.
>
> My understanding is then that given that I am operating at only 50Hz with just some high frequency transients, that any core losses will be insignificant.
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> Then I can model in LTSpice the effects of ambient temperature using e.g.:
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> Hc = 22 at 25C decreasing by 0.12 % per C
> Bs = 490m at 25C decreasing by 0.27 % per C
> Br = 100m at 25C - Does this have a temperature coefficient?
>
> Thanks and Regards
> Henry Kafeman
>
>
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