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Dilip sahasrabu
10-09-2008, 03:17 PM
Why the HV transmission voltages are always multiple of 11? Anybody?

nike123
10-09-2008, 06:03 PM
They are not always multiple of 11!
110
220
240
380
400
10000
33000
35000
66000
110000
735000
1150000

and many more variations.
http://en.wikipedia.org/wiki/Electric_power_transmission

Dilip sahasrabu
11-09-2008, 02:56 AM
Some engineer was quoting some form factor which is 1.1 hence it being multiple of 11 mostly, what do you say?

brianubaldo
11-09-2008, 04:00 AM
constant value to make standards for the whole world... for foreign unit/imported units from other countries can be used in some other country.. just an opinion..:)