Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva ....

Spacing of Transformers ratings are
10kva,15kva,25kva,63kva,110kva,150kva .........so on
Q) Why transformer are not manufactured having ratings in
between or other than these standard ratings ?

Question Posted / subhojit mukherjee

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Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why ..

Answer / engr. kashif

They also come in many other ratings such as 40KVA etc...

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Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why ..

Answer / raj

present already use of transformer rating 55Kva in anathapur areas,and next upcoming in 40kva rating.

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Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why ..

Answer / jagadish

basically in transformer power and frequency is always constant . also in electrical machines the elctrical instrument is represented in power so that transformer is represented in kva . moreover transformer ll only say in kva b'cos the designer of transformer ll not know the power factor of consumer load . so that transformer is represented in kva only not in watts

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