Instrument Transformers | ElectricalWiki

Difference between Live tank and dead tank current transformer

Post author:ElectricalWiki
Post published:22 Jan 2020
Post category:Instrument Transformers
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Before we start, lets go back to CT basics, what a CT does , obviously a 2000/1 amp delivers 1 amp at secondary when 2000 amp is flowing or 0.5…

Terms related to CT/PT(Burden, Accuracy Class, Instrument Safety factor, knee point voltage etc.)

Post author:ElectricalWiki
Post published:18 Jan 2020
Post category:Instrument Transformers
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There are many terms we come across when we read about current transformer(CT) and Potential transformer(PT) or voltage transformer(VT) /capacitive voltage transformer( CVT). below are meaning of these terms. CT/PT…

What is CVT(Capacitive Voltage Transformer)

Post author:ElectricalWiki
Post published:15 Jan 2020
Post category:Instrument Transformers / Equipments
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The capacitive-coupled potential transformer (CCPT) or Capacitive Voltage Transformer is a Voltage Transformer with a capacitive circuit as shown in the figure below. The two Capacitor C1 and C2 here…