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I WANT TO KNOW LONGFORM OF CT/PT USEDIN POWER PROJECTS OR
HT SWITCH YARD.
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Answer Posted / binod
CT is called as current transformer and is used for
measuring current.it is always used in series.normally it's
secondary is rated 1A or 5A.
PT is called as potential tansformer and used for measuring
voltage.it is always used in parallel.normally it's
secondary is rated 110v.
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