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A Turner Group CompanyTurner Engine Control Solutions
Turner ECS Case studyDIVING SUPPORT VESSEL UPGRADE – DIESEL ELECTRIC PROPULSION
Januari 2012
Turner ECS Case study
SPEED CONTROL •Isochronousloadsharing •Droopmode •Bumplessswitchover droop/isochronousmode
SYNCHRONISATION •Auto/manual •+/-3Vdcvoltageinterface •Raise/lowerspeedinterface
LOAD SHARING •LONloadsharinglinescheck •kWloadsharing •kVarloadsharing •kWloaderrorcheck
DIESEL PROTECTION &SEQUENCING •Start/stopsequence •Alarm/shutdownhandling •Softloading/unloading
Background
TheBarProtectorisa112meterDP2diving
supportvessel,sailingunderDetNorske
Veritasclassification.
Partsobsolescence,engineinstabilitiesand
failuresoftheBarberColmangoverning
systemwerethereasonswhyTurnerEngine
ControlSolutionsreceivedaturnkeyorder
toreplacethecompletegovernorsystem,speedcontrol,loadsharing,synchronization
systemsandthePLC’sthatcontrolsthedieselengines.
ThePLC’swereoriginallyinstalledinwithdrawablecabinets.Allfieldwiringconnections
weremadebyconnectorswhichmadetroubleshootingverydifficultandtimeconsuming.
UPGRADE OF ALL ELECTRIC ACTUATORS, SPEED CONTROLS, SYNCHRONISATION, LOAD SHARING AND DIESEL PLC MODULES.
A Turner Group CompanyTurner Engine Control Solutions 2
DIVING SUPPORT VESSEL UPGRADE – DIESEL ELECTRIC PROPULSION
More information? Turner Engine Control Solutions BV
Hoofdweg601
2131BAHoofddorp
Tel:+31235662300
Fax:+31235642727
www.turner-ecs.com
Turner ECS Case study
PRODUCTS USED:
PROACT ACTUATOR •Healthystatusoutput •Softwareconfigurable •Advanceddiagnostics •Marinelisting •Errorlogging •PWMormAspeedsetting
ATLAS SC CONTROLS •Smartcoreboard •Powersenseboard •Powersupplyboard
Local operating panels •Overspeedmodule •Localcontrol •Raise/Lower
Human Machine Interface •Touchpanel •Citectsoftware
A Turner Group CompanyTurner Engine Control Solutions 3
Introduction Thisvesselisequippedwithfivedieselgenerators.Eachdieselgeneratorisratedat2.5MW
andhasa6.6kVgenerator.The6.6kVswitchgearsystemconsistsoftwosections,starboard
andportside.Bothbusbarsectionscanbecoupledbyatie-breakerwhichisnormallyclosed
underDPoperation.
Inbrief,theupgradeconsistedofseveralelements;engineeringofsoftware,production
ofelectricaldrawings,deliveryofhardware,installationofhardwareandcommissioning
ofthecompletesystemdescribedbelow,numerousmeetingstechnicalandcommercial,
DPtrialandFMEAtestswereheldandwitnessedbyGlobalMaritimeandDNV.
Thisprojectthrewupmanychallengestoourremitofensuringworkwascompletedontime
andtothesatisfactionoftheclient;verytightschedules,restrictedworkingspace,existing
drawingsthatappearednothavebeenupdatedandmajoroverhaulworkbeingcarriedout
onthedieselenginessimultaneouslywiththeupgradeofcontrolswereafewofthem.
ActuatorTheobsoleteBarberColmanactuators,typeDYNC16001-002-0-024havebeenreplaced
byaWoodwardProactdigitalmodelIIIactuator.
TheProactactuatorhasanintegrateddriverboardandhasastatusfailureoutputcontact.
ThisoutputcontactisfedbacktotheAtlasSCcontrolsystemforsupervisionandalarming.
Whenthehealthystatusoutputsignalfromtheactuatorisde-energisedtheATLASSCwill
activatethe“startnextdiesel”relayandatthesametimetheATLASSCwillactivatethe
fuelsolenoidvalveinordertostopthedieselengine(inunhealthystate)andpullthefuel
racktozero.
More information? Turner Engine Control Solutions BV
Hoofdweg601
2131BAHoofddorp
Tel:+31235662300
Fax:+31235642727
www.turner-ecs.com
Speed controlColmen actuator
DIVING SUPPORT VESSEL UPGRADE – DIESEL ELECTRIC PROPULSION
Turner ECS Case study
Software ATLAS SC
•Dieselstart/stopsequencing •Dieselprotectionlogics •Speedcontrolalgorithm •Droop/isochronouslogics •Auto/manualsynchronizing •Softloading&unloading •Activeloadsharingalgorithm •Reactiveloadsharing algorithm •Loadshareerrordetection •ModbusHMIcommunication •LONnetworkcommunication •Back-upoverspeedprotection
A Turner Group CompanyTurner Engine Control Solutions 4
ATLAS SC control TogetherwiththeapplicationsoftwaretheATLAScontrolwillundertakethesynchronization
andloadsharing.AllATLASSCcontrolsareconnectedthroughtheLONcommunication
port.ByusingtheLONlinesaloadshareerrorcanbedetected.Incasealoadshareerror
occurstheapplicablecontrolwillimplementabumplessswitchovertodroopmodeand
analarmwillbeactivated.
Load sharing system and synchronization The functionality offered by the obsolet
BarberColman loadsharingunits, type
DYNZ80100andsynchronizationunit,type
DYNZ 10100 have been replaced by the
WoodwardATLASSCcontrol.
TheWoodwardATLASSCcontrolselected
forthisapplicationconsistsofasmartcore
board,powersupplyboardandapowersense
board.Thepowersenseboardconsistoftwo
three-phasevoltageinputs,twothree-phase
currentinputs,aspeedbiasinput,voltage
biasoutputtothevoltageregulatoranda
LONchannelcommunicationport.
DIVING SUPPORT VESSEL UPGRADE – DIESEL ELECTRIC PROPULSION
More information? Turner Engine Control Solutions BV
Hoofdweg601
2131BAHoofddorp
Tel:+31235662300
Fax:+31235642727
www.turner-ecs.com
Turner ECS Case study
A Turner Group CompanyTurner Engine Control Solutions 5
Local control cabinetAJaquetoverspeedprotectionmodulehas
beeninstalled.Intheoldsituationthecrew
hadthepossibilitytolowertheactualover-
speedtripsetpointbymeansofa
potentiometer.
In thenewsituation, anoverspeed test-
switchisusedtolowertheactualoverspeed
setpointtotesttheoverspeedtripcircuit.
By switching the local/remote switch to
remote, the speed/load of the engine can
beincreasedordecreasedmanually.
New control system after completion
Old diesel control drawers
Diesel PLC TheobsoleteNEBBStartomatPLC’shadbeeninstalledindrawers.Overtimetheconnectors
havebeendamagedwhichresultedinunexpectedshutdowns.
AllfunctionalityprovidedbytheStartomatPLChasbeenconvertedandprogrammedintothe
ATLASSCcontrol.AstheoperatorswantedtomaintainthesamemodeofoperationanHMI
andaplatewithstart,stopandresetswitchesincludingindicatorshasbeeninstalled.
DIVING SUPPORT VESSEL UPGRADE – DIESEL ELECTRIC PROPULSION
New HMI & start/stop buttonsDrawer with Startomat PLC
More information? Turner Engine Control Solutions BV
Hoofdweg601
2131BAHoofddorp
Tel:+31235662300
Fax:+31235642727
www.turner-ecs.com
A Turner Group CompanyTurner Engine Control Solutions
More information? Turner Engine Control Solutions BV
Hoofdweg601
2131BAHoofddorp
Tel:+31235662300
Fax:+31235642727
www.turner-ecs.com
6
