DLT 5220-2005 英文版 10kV以下架空配电线路设计技术规程.docx

ICS27.100

P62

RecordNo.J432—2005

ElectricPowerIndustryStandardofthePeoplesRepublicofChina

PDL/T5220—2005

SupersedeSDJ206—1987

CodeforDesigningOver-head

DistributionTransmission

Lineupto10kV

IssueDate:February14,2005ImplementationDate:June1,2005

IssuedbytheNationalDevelopmentandRefomCommissionofthePeoplesRepublicofChina

ElectricPowerIndustryStandardofthePeoplesRepublicofChina

PDL/T5220—2005

SupersedeSDJ206—1987

CodeforDesigningOver-head

DistributionTransmission

Lineupto10kV

Ⅱ

DL/T5220—2005

Foreword

ThecodeisrevisedfromSDJ206—1987CodeforDesigning

OverheadDistributionLineissuedbytheformerMinistryofWater

ConservancyandElectricPowerinJanuary1987,accordingtothe

NoticeconcerningReleaseoftheDevelopmentRevisionPlanofElectricPowerIndustryStandardin2000(GJMDL[2000]No.70)

issuedbytheformerStateEconomicandTradeCommission.

Ascomparedwiththeoriginalversion,thefollowingmajorrevisionsaremadeinthiscode:

(1)Thecodeisspecifictothedesignofoverheadelectricpowerlinesat10kVandbelowsoastomeetthepowersupplydemandinurbanandruralareas

(2)Tomeetthegrowingrequirementsonreliabilityofpowersupplyandenergyqualityinurbannetwork,since1990,insulatedoverheadconductorshavebeengraduallyappliedfordistributionlinesinlarge-andmiddle-sizedcitiesinChina.Therefore,theinformationregardingthedesignofinsulatedoverheadconductorsat10kVandbelowissupplementedinthisrevision.

(3)Supplementalcontentsonlinecrossinghasbeenincludedintherevision.Additionally,typicalmeteorologicalregionsareincorporatedherein.

(4)Thesectionsandarticlesintheorigi