Wacky Weekend: NERC to relax power grid frequency strictures [OT]

Jussi Peltola pelzi at pelzi.net
Sun Jun 26 21:55:05 UTC 2011

On Sun, Jun 26, 2011 at 11:36:24PM +0200, Ingo Flaschberger wrote:
> but transforming is not easy.
> ac/ac transformers are easy tu build and very immune against lightning  
> strikes - inverter systems are not.

Switching DC is also problematic since there is no zero crossing to
extinguish the arc.

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