Chng 1: Tnh ton bo v my pht:-tnh ton bo v so lch-bo v chng chm t mt pha dng BI th t khng-bo v chng qu ti-bo v chng p tng ca MFT-bo v p cc tiu-bo dng cc i-bo v dng th t nghch- la chn phng thc bo vChng 2: Tnh ton bo v cho thanh gp:-Tnh ton bo v so lch dng in cho cc thanh gp ca nh my in v trm bin p-Tnh ton bo v thanh gp in p my pht,bo v so lch khng ton phn----------- la chn phng thc bo v cho thanh gpChng 3:Tnh ton bo v my bin p v my bin p t ngu-Tnh ton ngn mch-tnh ton bo v-Bo v chng ngn mch cc cun dy v cc u ra ca MBA-bo v chng cc loi h hng bn trong thng du ca MBA-Bo v chng dng tng cao do ngn mch ngoi-bo v chng chm t, bo v chng qu tiChng 4:Tnh ton bo v cho ng dy ti in-Tnh ton ngn mch-bo v dng in cc i-bo v khong cch-bo v ct nhanh-bo v dng in th t khngABBRIVIATIONS DESCRIPTIONA/M Automatic/ManualAAAC All Aluminum Alloy ConductorAAC All Aluminum ConductorACAR Aluminum Conductor Alloy ReinforcedACB Air Circuit BreakerACSR Aluminum Conductor Steel ReinforcedAFC Approved For ConstructionAFD Approved For DesignAHU Air Handling UnitANSI American National Standards InstituteAPFR Automatic Power Factor RegulatorAR Auto Reclose (Relay)ASAP As Soon As PossibleATS Automatic Transfer SwitchAUX AuxiliaryAVR Automatic Voltage RegulatorAWA Aluminum Wire Armoured (Cable)AWG American Wire GaugeBB Bus Bar (Protection)BCT Bushing Current TransformerBFP Boiler Feed-water PumpBHP Brake Horse PowerBIL Basic Impulse LevelBKR BreakerB/L Bill of LadingBM(BOM) Bill of MaterialBOO Build Own OperateBOP Balance Of PlantBOT Build Own TransferBS British Standards (institute)BSDG Black Start Diesel GeneratorC&F Cost & FreightCAR Construction All Risk (Insurance)CBF Circuit Breaker Fail (Protection)CBM CuBic Meter (M)CCPD Coupling Capacitor Potential DeviceCCPP Combined Cycle Power PlantCCW Counter Clock WiseCED Chiep Executive DirectorCEO Chiep Executive OfficerCFO Chiep Financial OfficerCFR Cost,and FreightCHU Chiller Handling UnitC/I Commercial InvoiceCIF Cost Insurance and FreightCIP Carriage and Insurance Paid ToCLR Current Limiting ReactorCM Construction ManagementC/O Certificate of OriginCOS Cut Out SwitchCPT Carriage Paid ToCS Control SwitchCT Current TransformerCTT Current Transformer Test TerminalCUB CubicleCVT Capacitive Voltage TransformerCU Copper conductorCW Clock WiseC/W Certificate of WeightCWP Cooling Water Pump (Circulating Water Pump)DAF Delivered At FrontierD/G Diesel GeneratorDCS Distributed Control SystemDEF Delivered Ex ShipDIFB Biased Differential (Relay)DIFF. Differenfial (Relay)DO Diesel OilDOL Direct On Line (Motor starting)DS Disconnecting SwitchDTR Digital Transient RecorderEF Earth Fault (Relay)EFF. EfficiencyE/L Export LicenseELCB Earth Leakage Circuit BreakerELR Earth Leakage RelayEM Engineering Manager / Earth MastEMS Energy Management SystemEOCR Electronic Over Current RelayEPC Engineering Procurenment ConstructionES Earthing SwitchESD Emergency Shut DownETA Estimated Time of ArrivalETD Estimated Time of DepartureEX ExcitorEXW Ex WorksFAS Free Alongside ShipFAT Factory (or Field or Final) Acceptance TestFCA Free CarrierFD Forced Draft ID(Induced Draft)FDR FeederFL Fluorescent Light (Lamp)FOB Free On BoardFOR Forced Outage Rate / Free On RailFRLS Flame Retardent(or Fire Resistant) Low SmokedFSA Fuel Supply AgreementFSD Fire Shut DownGCB Gas Circuit BreakerGEN GeneratorGIS Gas Insulated SwitchgearGIS Geographic Information SystemGPS Global Positioning SystemGPT Grounding Potential TransformerGT(G) Gas Turbine (Generator)GTY GantryHFO Heavy Fuel OilHPS High Pressure SodiumHRSG Heat Recovery Steam GeneratorHVAC Heating, Ventilation & Air ConditioningI/C Inspection CertiviateICT Interposing CTID Induced Draft FD(Induced Draft)IDMT Inverse Definite Minimum TimeIEC International Electrotechnical CommissionIEEE Institute of Electrical and Electronics EngineersIFA Issued For ApprovalIFC Issued For ConstructionIFD Issued For DesignIOM Inter Office MemorandumI/P Inusrance PolicyIPB Isolated Phase BusductIPP Independant Power ProducerISF Instrument Safety FactorITB Invitation To BidITP Inspection (and) Test PlanJB(J/B) Junction BoxJCS The Japanese Cable Manufacturer's Association StandardJEC Standard of the Japanese Electrotechnical CommitteeJEM The Standard of Japan Electrical Manufacturer's AssociationJIS Japanese Industrial StandardsL.O. Lube OilL/C Letter of CreditL/I Letter of IntentLA Linghtning ArresterLC Load CenterLCD Liquid Crystal DisplayLCP Local Control PanelLCS Local Control StationLE / LE Lead Engineer / Loss of Excitation (Relay)LED Light Emitting DiodeLFO Light Fuel OilLOR Lock Out RelayLRC Load Ratio ControllerLT Line TrapLTG LightingM/H Man HourM/M Man MonthMC Magnetic ContactorMCB Miniature Circuit BreakerMCC Motor Control CenterMCCB/M.O. Molded Case Circuit Breaker(Magnetic Only)MDF Main Distribution FrameMF Maintenance Free / Multiplying FactorMK Marshalling KioskMMI Man-Machine InterfaceMOF Metering OutfitMOM Minutes Of MeetingMOU Memorandom Of UnderstandingMOV Motor Operating ValveMPR Motor Projection Relay / Monthly Progress ReportMTBF Mean Time Between FailureMTO Material Take OffMVR Manual Voltage RegulatorNEC National Electrical CodeNEMA National Electrical Manufacturer's AssociationNGR(NER) Neutral Grounding Resister(Neutral Earthing Resister)NGT(NGTR) Neutral Grounding TransformerNLTC No Load Tap ChangerNPS Negative Phase Sequence (Relay)NSPB Non Segregate Phase BusductNVD Neutral Voltage DisplacementO&M Operation & MaintenanceOCB / MOCB Oil Circuit Breaker / Minmum Oil Circuit BreakerOCR Over Current RelayOJT On the Job TrainingOLTC On Load Tap ChangerONAN/ONAF Oil Nature Air Nature / Oil Nature Air ForcedOV Over Voltage (Relay)P&ID Piping and Instrument DiagramP.U Pressurization Unit / Per UnitP/O Purchase OrderPABX Private Automatic Branch ExchangerPB Push ButtonPC Procurement CoordinatorPCB Poly Chlorinated Bi-phenyl / Printed Circuit BoardPCS PiecesPD Project DirectorPE Project EngineerPFD Process Flow DiagramPI Post InsulatorPJT ProjectP/L Packing ListPLC Programmable Logic ControllerPLCC Power Line Carrier CommunicationPM Project ManagerPMT Project Management TeamPN Plant NorthPNL PanelPPA Power Purchase AgreementPQ Pre-QualificationPS Purchase SpecificationPSS Power System StabilizerPT Potential TransformerPTT Potential Transformer Test TerminalPVC Poly Vinyl ChlorideR/L Remote/LocalRCP Remote Control PanelREF Restriced Earth Fault (Relay)RFQ(RFP) Request For Quotation (Proposal)RIV Radio Inflenced VoltageRM. Ringgit MalaysiaRp. RupiahRP Reverse Power (Relay)RPM Revolution Per MinuteRs. RupeesRTD Resistance Temperature DetectorRTU Remote Terminal UnitRY RelayS.C Static CondenserS.R Series ReactorS/S SubstationSA Surge ArresterSBEF StandBy Earth Fault (Relay)SCADA Supervisory Control And Data AcquisitionSCR Silicon Controlled Rectifier / Short Circuit RatioSCS Substation Control SystemSER Sequence Event RecorderSIL Surge Impedance LoadingSLD Single Line DiagramSLS Synchronizing SwitchSPB Segregated Phase BusductSPST Single Pole Single ThrowSS Selector Switch or Syncro SwitchSSTD Solid State Trip DeviceST(G) Steam Turbine (Generator)STP Sewage Treatment PlantSW SwitchSWA (Galavinized) Steel Wire Armoured (Cable)SWGR SWITCHGEARSWYD SWITCHYARDSYN SynchronizingT/L Transmission LineTB Terminal BoardTBE, TBA Technical Bid Evaluation (Analysis)TBN TurbineTCS Trip Circuit Supervision (Relay)TCU Tele Counting UnitTE Electrical reset Trip (Relay)TEFC Totally Enclosed Fan CooledTEWAC Totally Enclosed Water (to) Air CooledTLP Transformer Local PanelTPN Triple Pole NeutralTR TransformerTRV Transient Recovery VoltageUPS Uninterruptable Power SupplyUV Under Voltage (Relay)VCB Vacuum Circuit BreakerVCS Vacuum Combination StarterVRO Voltage Restrained Overcurrent (Relay)VSAT Very Small Aperture TerminalVT Voltage TransformerWHRH Waste Heat Recovery BoilerXLPE Cross Linked Poly Ethylene (Insulation)Y2K Year 2000 (millenium bug)ZCT Zero-phase Current Transformer