Answer Posted / dinesh kumar

There are two types of Cts
1.ACCT
2.DCCT
In ACCT if secondary is open during load it will damage the
CT due to high current ratio.
2,In DCCT the secondary is Equipmentload,ie,Bus bar

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2271

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why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1834

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What is the differentional relay...what is the work of this in power Tx. how it is works..

1920

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what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

2171

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what is the function of impulse relay

2510

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2028

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2619

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2324

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2323

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1642

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1406

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2577

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Do you know what is dry-out test in x'mer

2641

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2350

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2225

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