full list 10.12.2017:

IEC TS 61973:2012 High voltage direct current (HVDC) substation audible noise
IEC TS 62344:2013 Design of earth electrode stations for high-voltage direct current (HVDC) links - General guidelines
IEC TS 62672-1:2013 Reliability and availability evaluation of HVDC systems - Part 1: HVDC systems with line commutated converters
IEC TR 62681:2014 Electromagnetic performance of high voltage direct current (HVDC) overhead transmission lines
IEC TR 62978:2017 HVDC installations - Guidelines on asset management
IEC TR 63065:2017 Guidelines for operation and maintenance of line commutated converter (LCC) HVDC converter station


complete

[link Point to another website Only the registered members can access]