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Designing a Current Sensor

Hi to all
To sense amount of current in MV(20kv) lines ,I need to design and
make a CT
(Three phase).I tried Rogofsky method before it caused unintentional
noise in output.
Or introduce any vendor for similar products.
I appretiate any idea to do this.
Mehrnaz
 
S

scada

Jan 1, 1970
0
Hi to all
To sense amount of current in MV(20kv) lines ,I need to design and
make a CT
(Three phase).I tried Rogofsky method before it caused unintentional
noise in output.
Or introduce any vendor for similar products.
I appretiate any idea to do this.
Mehrnaz

You need an industrial manufacture. There are many types of CT's available,
Bushing, in line, metering, relays, etc... There are dozens of manufactures
out there, this is one I use:
http://www.geindustrial.com/cwc/home
 
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