Electric Power Industry Standard of the Peoples Republic of ChinaPDL/T5044一2014Replace DL/T5044一2004 and DL/T5120一2000Technical Code for Design of DC AuxiliaryPower Supply System for Power EngineeringTranslation sponsored by:China Electric Po Planning Engineering AssociationTranslated by:SUNTHER Consulting Co.Ltd.Reviewed by:North China Power Ergineering Co.,Ltd.CHINA ELECTRIC POWER PRESSBEIJING,2020