船舶系泊试验大纲.docx

船舶系泊试验大纲.docx

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船舶系泊试验大纲

TESTPROGRAMONBOARDOFELECTRICPOWERSYSTEM

1.General

1.1Attendants

Thetestshallbeconductedincompliancewiththeprogramandwitnessedbypresentedofthesurveyorofclassificationsocietyandtheowner’srepresentative,unlessotherwisementioned.

1.2Testingcondition

Duringtesting,alltheelectricequipmentshallbekeptitsserviceconditionasnearaspracticable,andgaugesfixedontheinstrumentboardofequipmentshallgenerallybeusedforcheckingandtakingarecord.Eachtestshallbecarriedoutwhenthevesselismooredalongsidethebuilder’swharf,unlessotherwisementioned.

TESTPROGRAM

1ElectricPowerSystem

1.1MaindieselgeneratorsandEmergencygenerator

1.1.1General

Duringtestonboard,inprinciplewaterresistanceshallbeusedastestload（PF=1.0）exceptatseatrialorotherwisenoted.

1.1.2Insulationresistancetest

Beforeandafterthegeneratorheatrunningtest,insulationresistancebetweenthefollowingpointsshallbemeasuredbyuseofaDC500VMeggeranditshallbeconfirmedthattheresistanceis1mega-ohmorabove:

-Winding–ship’shull

-Spaceheater–ship’shull

TheresultsofabovetestarerecordedinattachedsheetsE-1,2,3,4onpages15,16,17,18.

1.1.3Heatruntest（Continuousloadtest）

Increasegeneratorloadgraduallyfromzerotofullandthenrunthegeneratorcontinuouslyfor60minutesunderfullloadcondition,15minutesunder110%fullloadatlast.

Measurethefollowingparametersandrecordthedataduringthistest.

Output（kW）,Frequency（Hz）,Voltage（V）,Current（A）,

Temperature（℃）ofAir,Frame,Stator,BearingandEngineroom.

Itshallbeconfirmedthatthegeneratorisfreefromanabnormalriseoftemperatureateachpart.

Thetemperatureshallbemeasuredbyusingofthermometermethod.

ThemeasurementpointsandresultsofmeasurementarerecordedinattachedsheetsE-5,6,7,8,onpages19,20,21,22.

1.1.4Voltagecharacteristictest（Loadcharacteristictest）

Atafullratedload,thevoltageandfrequencyshallbesettoaratedpointandmeasurementshallbetakenonthevoltageandfrequencyateachpointwiththeloadchangedasfollows:

100%-75%-50%-25%-0-25%-50%-75%-100%

Duringtheabovemeasurement,itshallbeconfirmedthatavoltagevariationateachpointiswithin±2.5%（11.3V）forMaingenerator,±3.5%（15.8V）forEm’cygenerator.

TheresultsofthemeasurementarerecordedinattachedsheetsE-9,10,11,12onpages23,24,25,26.

1.1.5Speedvariationtest（Voltageregulatingandgovernortest）

Thisshallmeasurethemomentaryvariationandthepermanentvariationofvoltageandfrequencywhenthefollowingloadissuddenlytakenofforon:

Maingen.:

Takenoff100%-0

Takenon0-45%-80%-100%

Em’cygen.:

Takenoff100%-0

Takenon0-75%-100%

Itshallbeconfirmedthattheregulationiswithinthefollowings:

Instantaneousfrequency:

±10%（±6Hz）

Settledfrequency:

±5%（±3Hz）（stabilizedtime5s）

Instantaneousvoltage:

-15%~+20%（-67.5V~+90V）

Settledvoltage:

Maingen:

±2.5%（±11.3V）

Em’cygen:

±3.5%（±15.8V）

TheresultsoftheabovetestarerecordedinattachedsheetsE-13,14,15,16onpages27,28,29,30.

1.1.6Parallelrunningtest（Maingeneratorsonly）

-Aftertwogeneratorsaremanuallyoperatedinparallel,firstregulatetheloadforeachgeneratorto75%ratedasinitialpointofparalleling,thentheloadofprovisionalbasegeneratorischangedas:

75%-50%-25%-50%-75%-100%-75%

Ineachpointoftheaboveloads,theeffectivepower,voltageandfrequencyshallbemeasuredandtheloadsharingistobesuchthattheactiveloadonanygeneratorisnottodifferfromitsproportionateshareofthetotalloadbymorethan15%.Themaximumvalueis600kWx15%=90kW.

Theloadsharingtestshallbecarriedoutbetweenanytwo

（2）generatorsetsofthree（3）,itscombinedgroupswillbe“No.1-No.2”Gen-sets,“No.2-No.3”Gen-setsand“No.3-No.1”Gen-sets.

TheresultsofabovetestarerecordedinattachedsheetsE-17,18,19onpages31,32,33.

Loadtransfertest（maingensetsonly）

Suchtestshouldbecarriedoutundertheconditionofregulatingtheloadofeachgeneratorto50%ratedoutputapproximately,totallyhavingthree（3）combinedgroupsandtestingsequenceasfollowing:

1）No.1&No.2Gen-setsinparallelrunning

ManuallysynchronizingoperatingtheNo.3Gen-set,thenmakingtheNo.1Gen-setoutofservice.

2）No.2&No.3Gen-setsinparallelrunning

ManuallysynchronizingoperatingtheNo.1Gen-set,thenmakingtheNo.2Gen-setoutofservice.

3）No.3&No.1Gen-setsinparallelrunning

ManuallysynchronizingoperatingtheNo.2Gen-set,thenmakingtheNo.3Gen-setoutofservice.

TheresultsofabovearerecordedinattachedsheetE-20onpage34.

1.2Generatorprotectingdevice

Forthefollowinggeneratorprotectingdevices,onlythedemonstrationcarriedout,becausedeviceshavebeenexactlyadjustedatmanufacturer’sworkingshop.

Settingmarksaretobeconfirmed.

1.2.1Reversepowerprotection（maingensetsonly）

Eachmaingeneratorshallbegivenareversepowerprotectionasmentionedbelowanditshallbeconfirmedthatthereversepowerrelay（orequaldevice）startstoworkproperlyandtheaircircuitbreakeropensatasettime.

Settingofreversepower:

-10%ofrating（60kW）

Delaytime10±2sec

Thisdemonstrationshallbeconductedonceandtimefromreversepowersupplytobreakeropeningshallbemeasuredforreference.

TheresultsoftheabovetestarerecordedinattachedsheetE-21onpage35.

1.2.2Over-currentprotection

Thisdemonstrationshallbecarriedoutintheconditionthatnoloadisappliedontheprimemover.

Theover-currentrelay（orequaldevice）ateachphaseofthegeneratorshallbefedwithcurrentsasmentionedbelowanditshallbeconfirmedthattherelay（orequaldevice）startstoworkproperlyandtheaircircuitbreakeropensatasettingtime.

Settingvalue:

Maingen:

962Ax110%x120%=1270A

Delaytime20±3sec

Em’cygen:

192x110%x120%=253A

Delaytime20±3sec

Thisdemonstrationshallbeconductedonceandtimefromover-currentsupplytobreakeropeningshallbemeasuredforreference.

TheresultsoftheabovetestarerecordedinattachedsheetE-22onpage35.

1.2.3Preferentialtriptest（MSBonly）

Thisdemonstrationshallbecarriedoutintheconditionthatnoloadisappliedontheprimemover.

Theover-currentrelay（orequaldevice）forpreferentialtripforeachmaingeneratorshallbefedwithcurrentsasmentionedbelowanditshallbeconfirmedthatrelay（orequaldevice）startstoworkproperlyandtheover-currentrelay（orequaldevice）closesinasettimetoletthe1stand2ndstepnonessentialconsumer’sbreakerstripbyshunttripdevices.

Itshallbeconfirmedthatthealarmlampsforpreferentialtripareliton.

Settingofcurrent:

For1stStep:

962x120%=1152A

Delaytime10±2s

For2ndStep:

963x120%=1152A

Delaytime15±2s

Thisdemonstrationshallbecarriedoutonceandtimefromovercurrentsupplytorelevantbreakerstrippingshallbemeasuredforreference.

TheresultsoftheabovetestarerecordedinattachedsheetE-23onpages36,37.

1.2.4Undervoltagetriptest

TheACB（aircircuitbreaker）shalltripwhenbusbarvoltagedropto180V~300V,

TheresultsoftheabovearerecordedinattachedsheetE-24onpage38.

1.3Interlockingtestofshoreconnection

InterlockingtestofshoreconnectionistoconfirmthereliabilityofinterlockingcircuitbetweenMCCBofshoreconnectionandACBofeachgenerator.

Thatis,theshorepowercircuitbreakerontheMSBcannotbeswitchedonifanyoneACBofthree（3）generatorsisinclosepositionorviceversa,anyoneACBofthree（3）generatorscannotbeswitchedoniftheshorepowercircuitbreakerontheMSBisincloseposition.

TheresultsoftheabovetestarerecordedinattachedsheetE-25onpage38.

1.4

Autostarttestforem’cygeneratorandinterlockingtestbetweenMSBandESB

Thistestshallconfirmthereliabilityofthefollowingfunctions:

1）Simulateaconditionofblack-outonbusbar,thetiebreakerbetweenMSBandESBwillundervoltagetrip,theemergencygeneratorwillbestartedautomaticallyandsupplypowertoESBwithin45seconds.

2）Afterrecoveryofpowersupplyonbusbar,atfirsttheACBofem’cygeneratortobetripped,thenthebustiebreakerbetweenMSBandESBtobeclosed,andtheem’cygeneratortobestoppedafteradelaytime.Theprocessisalsotobeautomatic.

TheresultsoftheabovetestarerecordedinattachedsheetE-26onpage38.

1.5Powermanagementsystem

Thetestmentionedbelowshallbecarriedoutinautomodefortherelativegenerators.

1.5.1Autostarttestofstandbygeneratorafterblack-out

Incaseofblack-out,thestandbydieselgeneratorsetshouldbestartedimmediatelyandconnectedtothenetworkautomatically.Thetestshallbecarriedoutaccordingtothefollowingprocedure:

No.

AutostartstandbyD/Gafterblack-out

1

-RunNo.1D/Gonthebusbar

-SelectNo.2D/Gasfirstprioritystandbyset

-SimulateNo.1D/Gshutdownsignal,thenNo.1D/Gshouldbetrippedimmediatelyandblack-outonthebusbar

-No.2D/Gshouldbeautomaticallystartedandconnectedtothebusbarafterestablisheditsvoltageandrecoverpowersupply

2

-RunNo.2D/Gonthebusbar

-SelectNo.3D/Gasfirstprioritystandbyset

-SimulateNo.2D/Gshutdownsignal,thenNo.2D/Gshouldbetrippedimmediatelyandblack-outonthebusbar

-No.3D/Gshouldbeautomaticallystartedandconnectedtothebusbarafterestablisheditsvoltageandrecoverpowersupply

3

-RunNo.3D/Gonthebusbar

-SelectNo.1D/Gasfirstprioritystandbyset

-SimulateNo