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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 ?
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Answer Posted / 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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