Why the cost of CT increases with the decreasing of its CT
Ratio (Technical Reason)?
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Answer / k.prakashchandra
More primary and secondary turns are required to make up
for the lower primary current to maintain the secondary
current.Hence the core also will be bigger.
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Answer / isa
CT is a step up transformer thats why with the decrease of ct ratio the the current in the secondary side will increase as a result of decrease in secondary voltage ,which will cause more I sqr. losses which is not economical further.
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