Electric Power Industry Standard of the Peoples Republic of ChinaPDL/T5224一2014Replace DL/T 5224-2005Technical Code for Design of HVDCEarth Return SystemTranslation sponsored by:China Electric Power Ia.aing Engineering AssociationTranslated by:SUNTHER Consulting Ce.,d.Reviewed by:Central Southern China le:tric Power Design InstituteCHINA ELECTRIC POWER PRESSBEIJING,2020
