26 Jun
2011
26 Jun
'11
5:55 p.m.
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.