1、CHINACODEElectric Power Industry Standard of the Peoples Republic of ChinaPDL/T5224-2014Replace DL/T 5224-2005Technical Code for Design of HVDCEarth Return System高压直流输电大地返回系统设计技术规程(英文版)Issue Date:June 29,2014Implementation Date:November 1,2014Issued by National Energy AdministrationElectric Power In
2、dustry 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 Planning Engineering AssociationTranslated by:SUNTHER Consulting Co.,Ltd.Reviewed by:Central Southern China Electric Power Design InstituteCHINA ELECTRIC POWER PRESSBEIJING.2020