Etsi opws to egrapses thewrisa oti mperdepses to Laf me to Ls. To Laf de mas to edine, alla kapoios mporouse na to ipologisei. Nomizw pantws oti auto pou ekana egw einai episis swsto.

Gia tin prwti askisi den kserw ti exw katalavei. Egw nomizw oti den elege tin eswteriki tasi tou diakenou, alla tin tasi pou dimiourgeitai stous akrodektes tou stati. Etsi to katalava opws tin diavaza, alla meta apo tosi zaloura pote den eimai sigouros gia to ti exw diavasei...
Etsi ki alliws tha prepei na perasw apo to grafeio tou Dimoulia gia na mou dwsei bebaiwsi, epomenws tha tin rwtisw kai tha sas enimerwsw! Eplizw auti ti fora na to perasa, giati me ta xilia zoria tin pira tin kwloadeia...

Anyparkte, nomizw oti exeis mperdepsei kapoia pragmata. 1)To ω einai i gwniaki taxitia, i opoia antistoixei sti sixnotita tou diktiou, epomenws einai 2*pi*50. Mas elege episis oti i tasi stous akrodektes tou stati einai diplasia kai oxi i eswteriki tasi tou diakenou (koinws oti i Estat einau diplasia kai oxi i Ef).
2) H Laf einai i amoivaia epagwgi metaksi stati (a phase) kai dromea. DEN einai i sigxroni autepagwgi Ls. Gia na vreis tin E tha eprepe na kaneis diairesi:
E'/E=(2*pi*50*If')/(2*pi*60*If)
Elege episis oti gia If=350A kai 60Hz exoume E=15kV, opote vriskoume gia If=150A kai f=50Hz tin eswteriki tasi.