“Invensys Operations Management has been an important partner, offering us a cost-effective process control solution and has helped to sharpen our competitive edge.”

Mr. JinjianOperations

China Huaneng Group Powers up for Growth

Goals• BuildapowerplantintheAnhuiProvinceto

serviceitshighcommercialandindustrialenergydemands.

Challenges• InlightofChina’srapideconomicgrowth,there

hasbeeninadequateconstructionofpowerplants,resultinginshortages.Rapidexpansionincapacityisrequiredtoservicedemandsandavoidadditionalshortages.

• Connectthousandsofstationsatdataspeedsupto1GBbetweenswitches.

Solutions and Products• FoxboroDistributedControlSystem-I/ASeries®• FoxboroMeshNetwork

Results• Theplantreducedthepowershortagerisksin

theAnhuiProvinceandhashelpedacceleratethedevelopmentofitseconomy.

• Thedigitalcontrolsystemreliablymonitorsandcontrolsthepowerplant’s19,000I/Opoints,productionandprocessoptimization.

• Thefault-tolerantsystemdesignprovidescontinuousandreliablepowertotheprovince.

• Themoreadvancedcontrolsystemimprovedequipmentandunitperformance

INDUSTRY:POWER

China Huaneng Group www.chng.com.cn

Chaohu, China–In1978,afteryearsofstatecontrol,thegovernmentofChinaembarkedonasuccessfulprogramofeconomicreform.AsChina’seconomygrew,theChineseworkforceslowlybegantoevolve.Priortothe1978reforms,nearlyfourinfiveChineseworkedinagriculture;by1994,theratiowasoneintwo.

EconomicgrowthandthechangingdemographicoftheChineseworkerhavegonealongwaytocreateunprecedenteddemandforpowerandelectricity.In2006,China’selectricitydemandgrewby14%overthepreviousyear,whileinstalledcapacityincreasedbyapproximately100,000Megawatts(MW)toreach622,000MW,a20.3%increaseoverthepreviousyear.

Lookingahead,thegrowthinpowerdemandisexpectedtoremainstrong.Unfortunately,powerplantconstructionrateshavebeenunabletokeeppacewiththegrowingdemandforelectricity.

Withpowerplantsin23provinces,ChinaHuanengGroup(CHNG)hadalreadysuppliedmorethan70,000MWofelectricityby2007,makingitthelargestpowergeneratorinChina.Withamarketshareof10%ofnationalinstalledcapacity,CHNGisstillexpandingextensively.

Inaccordancewiththenationaleconomicdevelopmentplan,China’sindustrypoliciesandthemarketdemand,CHNGhasidentifieditsdevelopmentstrategythatbytheyear2010,itwillincreaseitsgenerationcapacityto80Gigawatts(GW),becomingoneoftheworld’stop500powercompanies.

Tomeettheever-growingpowerneedsinChina,CHNGisacceleratingitsmarketexpansionplans.ThenewHuanengChaohupowerplantisitsfirstdigitallyautomatedplant.CHNGhaschosenInvensysOperationsManagement,oneoftheworld’sleadingnamesintheautomationindustrytoprovidearangeofadvancedcontrolandsafetysolutionsservices.

A Bright Road Ahead

CHNG’sHuanengChaohupowerplantisanew,technologicallyadvanced,digitalpowerplantthatisspeciallydesignedtohousefoursupercriticalgeneratingunits,eachwithacapacityof600MW.Theconstructionisdividedintotwophaseswiththefirsttwounitscompletedin2008.

TheplantislocatedinChaohuCity,Anhuiprovince.ThisregionisenjoyingthemostvigorouseconomicgrowthinChinaand,therefore,thehighestdemandforpower.Thegoalofthisnewplantistonotonlyreducetheriskofpowershortages,buttofacilitatetheeconomicgrowthoftheprovince.

Inordertoachievethesegoals,CHNGrequiredapartnerwhocouldeffectivelyimplementanautomationsolutionunderanaggressivetimeframewhilekeepinganeyeonsafety.Todoso,CHNGforgedamutuallybeneficialandstrategicrelationshipwithInvensys.

Invensys’consultativeservice,advancedtechnologyandcustomer-centricsolutionprovedtobeaperfectfit.Invensysprovidesareliableandadvancedautomationsolutionthatenablesareal-timeconvergenceofplantoperationsandenterpriseperformance.

Overcoming Obstacles

Morethanjustaproduct-provider,InvensyswasastrategicpartnertoCHNG.Asaglobaltechnology,softwareandconsultingfirmleadingsignificantchangeinprocessmanufacturing,plantoptimization,businessoperationsandenterpriseperformance,InvensyssuppliedCHNGanintegratedautomationconsultingservicebackedbycriticaltechnicalsupportandtraining.

Invensys’criticalinsighthelpedCHNGtomaximizetheirreturnofassetsthroughbalancingtheavailabilityandutilizationofequipment,energy,andfueloptimization.

“WeareverypleasedwithInvensys’successfulprocesscontrolimplementationasthisisthefirstdigitalpowerplantforCHNG.Invensyshasbeenanimportantpartner,offeringusacost-effectiveprocesscontrolsolutionandhashelpedtosharpenourcompetitiveedge,”saidMr.JinjianfromCHNG’sOperationsDepartment.“Thefastdatacommunicationinreal-timeandthesystem’sopenarchitecturehelpstopreserveCHNG’soriginalinvestment.”

ThissolutionincludedanadvancedFoxboroI/ASeriesDistributedControlSystemofmorethan19,000I/Opoints.Itwasusedtocontrolthenewplant’sboilers,turbinesandgenerators.

SubsystemapplicationsincludedDataAcquisitionSystem(DAS),FurnaceSafetySupervisorySystem(FSSS),BoilerandTurbineSequenceControlSystem(SCS),TurbineDigitalElectro-Hydraulic(DEH)controlsystem,FeedWaterPumpMechanicalElectro-Hydraulic(MEH)controlsystem,andEnvironmentalControlSystems(ECS).

Dedicatedtodigitalcommunicationeffectiveness,FoxboroI/ASeriesDistributedControlSystemuseda1Gigabyte(GB)Meshnetworkthatprovidedhigh-availabilityandself-healingnetworkperformance.

Moreover,Invensyssuppliedageneralinterface,whichcouldcommunicatewithothersystemsequippedwithModbus,ProfibusandHartprotocol.ThisopensystemrevolutionizedhowInvensyssold,deliveredandserviceditsclients,exceedingevenCHNG’sautomationandinformationneeds.

A Brighter Future

BytheendofAugust2008,PhaseIofthispowerplantprojecthadpassedsuccessfullythrough168stringenttests.ThisresoundingsuccessdemonstratedtheeaseandreliabilityoftheInvensyssolution.

Thisbest-in-classapproachinvolvingsuperiortechnology,reliableandaccurateinformationwasimplementedenterprise-wide.ThesuccessofPhaseIhasbeenapplaudedbyCHNG.Invensys’high-performanceculturecoupledwiththeunifiedprojectimplementationteamresultedinthesuccessfulimplementation.

Theresultsareimpressive.Invensysprovidedafault-tolerantsystemdesignwhichextendedunitavailability,advancedcontrolthatimprovedequipmentandunitperformanceandcontroloptimizationthatimprovedunitandstationperformance.

OverallinstallationcostswerereducedandtheopenarchitecturepreservedCHNG’sinitialhardwareinvestment.Workingtogether,InvensysandCHNGarepavingthewaytoabrighterfutureforChina.

Invensys,theInvensyslogo,ArchestrA,Avantis,Eurotherm,Foxboro,IMServ,InFusion,SimSci-Esscor,Triconex,andWonderwarearetrademarksofInvensysplc,itssubsidiariesoraffiliates.Allotherbrandsandproductnamesmaybethetrademarksorservicemarksoftheirrepresentativeowners.

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