Why the cost of CT increases with the decreasing of its CT Ratio (Technical Re

Why the cost of CT increases with the decreasing of its CT
Ratio (Technical Reason)?

Question Posted / deepak

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Why the cost of CT increases with the decreasing of its CT Ratio (Technical Reason)?..

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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Why the cost of CT increases with the decreasing of its CT Ratio (Technical Reason)?..

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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