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Why generally the Rating of Transformers are in additions
of 11 i.e. 11 kVA, 22 kVa, 33 kVA, etc........
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Answer Posted / ms.gayathri
The rating of transformer is always not in multiples of 11
i.e., the voltages are only in multiples due to the form
factor. Form factor is nothing but the physical size and
shape of a device. Which is approximately 1.11 derived from
the ratio between RMS value and Average value of the sine
waveform(analog).
| Is This Answer Correct ? | 11 Yes | 2 No |
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