why HT voltage rating in multiple of 11

Answer Posted / muneeb ahmad

it seems that it is due to form factor but Actually it is
not due to form factor,if there is necessarily multiple of
11 then how can we get 400,127 or etc etc....

i think by changing factors and certain conditions it is
possible to minor change in form factor then how we are
getting same form factor since the production of
electricity....

it is just a misconception of introduction of form factor....

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