why all selected supply voltages are multiple of
11.i.e440,11 kv,33 kv,66 kv,110 kv etc
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Answer Posted / sakthivel cbe
its due to the form factor... the value of form factor is 1.11
F.F=(RMS voltage)/(avg.volatge)
the voltage in the the line is avg of sine wave we
generating. but we using RMS for our calculation...
therefore
RMS volt= Formfactor*avg voltage
RMS volt=1.11*avg volt...
thats y supply voltage are interms of multiples of 11
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