IEC 60700-1-2015 pdf download

IEC 60700-1-2015 pdf download.Thyristor valves for high voltage direct current (HVDC) power transmission – Part 1: Electrical testing. This part of IEC 60700 applies to thyristor valves with metal oxide surge arresters directly connected between the valve terminals, for use in a line commutated converter for high voltage d.c. power...