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WHAT HAPPEN WHEN CT SECONDARY OPEN DURING LOAD
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Answer Posted / javed
CT means current transformer which help us to measure the
large amount of current by step down the value of current
to low value. CT primary wdg handle the large amount of
current due to which large amount of heat is produce at
primary winding so we use insulating oil which help to
provide insulation as well as provide cooling. If we open
its secondary winding, the secondary current will reduce to
zero, which cause increase in voltage across its secondary
open terminal and that leads to increase in primary
current, with increase in primary current temperature of
oil in CT also increase and oil start burn which leads to
blast in CT
| Is This Answer Correct ? | 33 Yes | 6 No |
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