>Once the breaker is closed in, there is no way the generator can get out= of >phase/frequency lock with the grid. Why? The frequency of the line is generated by a switcher (as I learned,= the mains voltage is generated in DC, and switched to AC in a HUGE bank of= SCRs), and there is a PLL locked to the external line frequency? It seems to be an interesting subject :o) --------------8<-------Corte aqui-------8<-------------- All the best!!! Alexandre Souza xandinho@interlink.com.br Linux User #85093 --------------8<-------Corte aqui-------8<-------------- -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads