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WTP供水泵站.docx

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Operation,Maintenance&TroubleShooting2.7WTPTransmissionpumpstation KWSP-C1 PAGE\*MERGEFORMAT-1- CNTIC-BSEEC-JV CNTICBSEEC JV2.Operation,Maintenance&TroubleShootingV/PNO.PAGEPROJECTNAMEKARNAPHULIWATERSUPPLYPROJECTPHASE1(KWSP)-C1DOC.NO.CUSTOMCHITTAGONGWATERSUPPLY&SEWERAGEAUTHORITY(CWASA)Rev.NO.SubTitle7.TransmissionPumpMCCoperationsandmaintenance 7.TransmissionPumpMCCoperationsandmaintenance PAGE\*MERGEFORMAT-3- CNTIC-BSEEC-JV CNTICBSEEC JV2.Operation,Maintenance&TroubleShootingV/PNO.PAGEPROJECTNAMEKARNAPHULIWATERSUPPLYPROJECTPHASE1(KWSP)-C1DOC.NO.CUSTOMCHITTAGONGWATERSUPPLY&SEWERAGEAUTHORITY(CWASA)Rev.NO.SubTitle7.TransmissionPumpMCCoperationsandmaintenance 7.1Pumpstarting-MVINVERTER(VFD) PAGE\*MERGEFORMAT-16- CNTIC-BSEEC-JV 7.1Pumpstarting-OPERATIONANDMAINTAINOFMVINVERTER(VFD) 7.1.1INSPECTIONBEFOREPOWERON A,Verifythesourcevoltagetothedrivematchesthedrivespecification.Thedrive’sintendedinputvoltageisspecifiedonthefoillabellocatedinsidethecontrolpaneldoor.(Note:Thisfoillabelmaybelocatedinthecustomerconnectioncabinet.) B,Thedrive’smaximumoutputvoltageasstatedonthefoillabelshouldmatchthemotor’svoltageratingasstatedonthemotornameplate.Iftheydonotmatch,contactthefactory. 7.1.2．SendcontrolpowerofVFD.TURNTHECDS1SWITCHONVFDPANELTO“ON”POSITION,SOONTHEFANBIGINTORUNANDHMIWORKS. A,Energizethecontrolcircuitbreaker.Energizeinputvoltage. B,EnergizethemediumvoltagefeedtotheVFD.PushtheFaultResetButtonontheKeypadtoresetfaultsandalarms.Turnthemodeswitchfrom“OFF”to“LOCAL”,theModeontheKeypaddisplayreadsKYPD. C,Pushthe“MANSTART”buttononkeypad,Spinthemotorat50%speedandobserveproperrotation.OperatethedrivewithaSpeedDemandof60%. D,IncreasetheSpeedDemandwhilemonitoringthemotorvoltage.Themotorvoltageshouldreadaccordingtothefollowingtableforwaveformsat98.5%speed(985rpm). 7.1.3.VFDshutdown： BeforePushthe“MANSTART”buttononkeypad,spinthemotorlowSpeedDemandof20%.thenpushthe“MANSTOP”button,thepumpandmotorwillstopatonce.IfEmergencybuttonispushed,theMVbreakerwillbetrip. The400