Re: 50hz vs 60hz for generation and transmission



Hey all,

Its almost proven that 60 Hz is better than 50 Hz then why countries
still running 50 Hz. I mean there should be some advantages in 50 Hz
too. Can someone throw a light on it.

Sandeep

nil_einne1@xxxxxxxxx wrote:
> Hey all,
>
> Although I was aware there are difference in motor, generator etc
> design between 50hz and 60hz, I was not aware that there was a
> sufficient efficiency difference between a 50hz generator or motor and
> a 60hz generator. However according to this website
> http://www.school-for-champions.com/science/ac_world_volt_freq.htm
> there is. It also claims there is a difference between losses in
> transformers and in transmission. I've been looking into this and based
> on the website and my searches I think I've got a basic idea of why it
> may be the case for generators, motors and transformers But I'm still a
> bit confused as to why there is a difference in transmission
> effieciency.
>
> Could someone explain the efficiency difference? I think my physics
> knowledge is good enough that I could probably understand a fairly
> technical explaination.
>
> Also, could someone comment on the accuracy of that website? Some of
> the details seem incorrect from what I've read. For example, wiki and
> other sources claim Tesla choose 60hz to eliminate flicker. Also, the
> website claims the US transmits power in 240V, it is stepped down at
> the household. I'm pretty sure this is incorrect and it seems to be
> confusing the US 3 wire single-phase system with a 240V transmission
> system.
>
> If the website is all a load of crock or even if it's not, a better
> website or series or websites is welcome as well :-)
>
> Cheers all

.



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