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Why the transmission level voltages are multiples of 11?

Question asked by cutiermn in #Coffee Room on Aug 9, 2008
cutiermn
cutiermn · Aug 9, 2008
Rank E1 - BEGINNER
Hi this is manikandan an electrical engineer from chennai........ i am very glad to join in this forum. Let this be my first query

In india -
In the electrical power transmission-
why the transmission level voltages are multiples of 11

Example:

6.6kv, 11 kv,33kv, 66kv, 110kv, 220kv . If you find answer post me.

Pl find any technical reason beyond that....... are its traditional like our 50Hz story Posted in: #Coffee Room
khyzer shamsi
khyzer shamsi · Jun 6, 2012
Rank E1 - BEGINNER
voltages will always b in the multiple of 1.1.
those voltages which are not in the multiple of 1.1 are approximate.
the exact theoretical voltage will always be a multiple of 1.1
aarthivg
aarthivg · Jun 6, 2012
Rank B1 - LEADER
khyzer shamsi
voltages will always b in the multiple of 1.1.
Why it is so? Any particular reason for it.

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