Since there are several faults and abnormalities in power systems with sharp changes (such as current chopping, or very high frequency switching), are there any Hall-effect transformers (capable of passing high frequency content of the waveform) installed in power systems?
Gerro J. Prinsloo
Dear Amin, I assume you want to do current sensing, for which you can look at this link
http://sensing.honeywell.com/index.php?ci_id=51431
Regards
Gerro
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Gregory Diana
Yes they are Very large ones. Look at LEM modules. ABB use them and have patented designs for large converter systems. They have high frequency response.
see
http://new.abb.com/low-voltage/products/current-and-voltage-sensors/current-sensors
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Majidreza Salehi
The LEM is suitable but it is expensive .You can use china brand ,
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