demonstration

5

LTRIITY

AdemonstrationprojectforsmartgridstartedinTianjin

OnApril7,theconstructionof110-kVHechanglu

intelligentsubstationinTianjinBinhaiNewAreawas

started,inauguratingthecomprehensivedemonstration

projectforsmartgridinSino-SingaporeTianjinEco-City.

Theeco-cityisanimportantstrategiccooperativeproject

ingto

theoverallplanoftheeco-city,theproportionofrenewable

energywillnotbelessthan20%,whichmayaccountfor

about24.62%ofthetotalelectricityconsumption.

Asthesymbolicprojectinthedevelopmentplanof

Tianjinsmartgrid,thisprojectintheeco-cityisthefirstone

udesnotonlythe

intelligentgeneration,transmission,substation,distribution

network,butalsoelectricityconsumptioncomprising

informationacquisitionsystems,two-waymutual-acting

marketingsystems,intelligentresidentialblocks(highri

buildings/houholds),andelectricvehiclecharging&

dischargingstations,aswellastheintegratedintelligent

dispatchingcontrolcenteranddynamicmultidimensional

annedthatby

theendof2011,asmartgridmergingwatermeter,gas

meter,electricmeter,cableTVnetwork,communication

network,internetandpowernetworktogetherwillbe

establishedtorealizeinformationmanagement,real-time

analysis,automaticmeter-readingandelectricalhome

appliancescontrol.

Bao—DeDCprojectwentintocommercial

operation

OnApril11,theNorthwest—CentralChina(Sichuan)DCinterconn-

ectionproject,±500kVBaoji—Deyang(Bao—De)DCtransmission

project,smoothlypasd14-daytrialoperation,andformallywentinto

newasputintomono-poleoperationon

December28,2009,andputintobipoleoperationonMarch28this

hemono-polewentintooperation,ithasplayedamajorrole

duringwintertimeandincombatingdroughtforSichuangrid,andwill

effectivelyguaranteethereliablepowersupplyduringShanghaiWorld

Expoperiod.

Incompliancewiththeinterconnectionscaleof3GW,theavailable

dailypowersupplywillreach70GWh,whichisbeneficialfor

hydropowerinter-basincompensativeregulation,hydropowerandthermal

powercoordination,reducingtherervecapacityofpowergrid,and

strengtheningcapacitiestocombatnaturaldisastersandthepowersupply

reliabilityaswell.

Overthetrialoperationperiod,therewereabout0.8-TWhelectricity

transferredfromNorthwestgridtoCentralChinagridthroughBao—De

DClinewiththemaximumtransmissionpowerof3GWandtheaverage

transmissionpowerofover2GW,reachingthedesignedcapacity.

Bao—DeDCprojectisthefirstlong-distance,terminal-to-terminal

conventionalDCtransmissionprojectwhichisindependentlydesigned,

completed,nsfromBaojiconverter

stationofShaanxiFengqiangcountyandendsatWanshouqiaoconverter

stationofSichuanDeyangcity,passingthroughShaanxi,Gansuand

Sichuanthreeprovinceswiththetotallengthof534km.

ToolsandAppliancesfor

liveworkingonUHVDC

pasdacceptance

Therearchanddevelopmentin

UHVDC±800-kVlinemaintenanceand

live-linetoolsandapplianceswasthe

keyscientificandtechnologicalproject

whichispropodbytheStateGridin

2009andthencarriedoutbyHBEHV

Transmission&SubstationCompany.

Thecompanyhassuccessfullydeveloped

nineitemsoftoolsandappliances,such

aslarge-tonnageporcelaininsulator

clampingsandlarge-tonnagesix-split

conductorhoists,aswellasapproaches

availableforlinerepairandlive-

lsocompiledthe

maintenanceguidebookandoperating

panyisawarded

nationalpatentofutitilitymodelforlarge

knifeclampandthetripletdead-end

clampudforinsulatorstrings.

2010.2EECC