I've heard that most of the substations are rated in multiples of 1.11 bec

I've heard that most of the substations are rated in
multiples of 1.11 because of form factor.What is form factor?

Question Posted / karthik

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I've heard that most of the substations are rated in multiples of 1.11 because of form factor...

Answer / vikash

Form Factor= R.M.S value / Average value of current
= 1.11

R.M.S value stands for root mean square. It is defined as DC component of ac current which produces heating effect.

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I've heard that most of the substations are rated in multiples of 1.11 because of form factor...

Answer / prakash

why it is multiple of 11 means 10% considered as line loss
that why all voltage are in multiple of 11 11kv/33kv/66kv

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I've heard that most of the substations are rated in multiples of 1.11 because of form factor...

Answer / pugazhenthi

Form factor=RMS VALUE/AVERAGE
VALUE=1.11

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