Download pdf - Power Plant Achieves Reliable Boiler Drum Level Control ... · in this region which creates challenges for the company’s drum level measurement instrumentation. The primary level

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Page 1: Power Plant Achieves Reliable Boiler Drum Level Control ... · in this region which creates challenges for the company’s drum level measurement instrumentation. The primary level

POWER ROSEMOUNT 5300

RESULTS

•Reducedmaintenancewithnocalibrationrequired

•Increasedaccuracywithmorerapiddrumlevelreadings

•Eliminationofunwarrantedtripsduetocoldambientconditions

“Since converting to the Rosemount 5300 with Dynamic Vapor Compensation, unit reliability has significantly increased.”ManagerofGasandTurbineEngineering

APPLICATIONBoilerdrumlevelcontrolatacombinedcyclepowerplant.

CUSTOMERNAnaturalgascombinedcyclegasplantlocatedinUSAwithacapacityofover900MW

CHALLENGEDuringthewintermonths,sub-freezingtemperaturesarecommoninthisregionwhichcreateschallengesforthecompany’sdrumlevelmeasurementinstrumentation.

Theprimarylevelmeasurementontheboilerdrumsweredifferentialpressuretransmitterswithimpulsetubing(wetlegs).Duringwintermonthsfrozenwetlegscausederrorsintheindicateddrumlevelsresultinginunittrips.Toalleviatetheproblem,theimpulsetubeswereinsulatedandheattracedbuttheimpulsetubescontinuedtofreeze.

SOLUTIONAsaresult,thegassitesystemsengineerdecidedtoinvestigatealternativetechnologiestoimprovethereliabilityoftheboilerdrumlevelinstrumentation.WithsupportfromEmersonTMexperts,theyinstalledRosemount5300GuidedWaveRadarwithDynamicVaporCompensation(DVC)alongwithaRosemount9901bypasschamber.

Withprocessdesignconditionsexceeding2300psiand650°F,theRosemount5300withDVCprovidedfullycompensatedlevelmeasurements,independentofpressureandtemperature,resultinginaccurateandreliablelevelreadingsduringallstart-upandshut-downconditions,regardlessoftheweather.

Illustration showing how Dynamic Vapor Compensation works

Power Plant Achieves Reliable Boiler Drum Level Control with RosemountTM Guided Wave Radar

Page 2: Power Plant Achieves Reliable Boiler Drum Level Control ... · in this region which creates challenges for the company’s drum level measurement instrumentation. The primary level

“With the proven reliability of the Rosemount 5300 with DVC, we are working to implement them as a best practice for the combined cycle fleet”ManagerofGasandTurbineEngineering

INDUSTRY

Theplantusedatwooutofthreevotingsystemwiththreeredundantradarinstallations.Sinceinstallation,theRosemount5300withDynamicVaporCompensationhasprovedtobeveryreliable.Theradarlevelscannotdeviatefromeachotherbymorethan2.5"(6.35cm)withoutcausingtheboilertotrip.Sinceinstallation,theyhavealltrackedreliablyandwithinthemanufacturer’sspecification.

Emersontechniciansperformedon-sitestartupoftheradarsandprovidedformaltrainingforthesiteoperatorstoensureconfidenceinthenewproduct.

RESOURCESRosemount 5300 Guided Wave RadarEmersonProcess.com/Rosemount/Guided-Wave-Radar/5300

Emerson Process Management Power IndustryEmersonProcess.com/Industries/Power

StandardTermsandConditionsofSalecanbefoundatwww.Emerson.com/en-us/pages/Terms-of-Use.aspxTheEmersonlogoisatrademarkandservicemarkofEmersonElectricCo.RosemountandtheRosemountlogotypearetrademarksofEmersonProcessManagement.Allothermarksarethepropertyoftheirrespectiveowners.©2016EmersonProcessManagement.Allrightsreserved.

Global HeadquartersEmerson Process Management

6021InnovationBlvd

Shakopee,MN55379USA

+18009999307or+19529068888

+19529497001

[email protected]

Europe Regional OfficeEmerson Process ManagementEurope GmbH

Neuhofstrasse19aP.O.Box1046,

CH6340Baar,Switzerland

+41(0)417686111

+41(0)417686300

[email protected]

Asia Pacific Regional OfficeEmerson Process ManagementAsia Pacific Pte Ltd

1PandanCrescent

Singapore128461

+6567778211

+6567770947

[email protected]

Middle East & Africa Regional OfficeEmerson Process Management

EmersonFZEP.O.Box17033

JebelAliFreeZone-South2

Dubai,UnitedArabEmirates

+97148118100

+97148865465

[email protected]

00830-2100-4530RevAA

Linkedin.com/company/Emerson-Process-Management

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Youtube.com/user/RosemountMeasurement

Google.com/+RosemountMeasurement


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