毕业论文外文翻译-高层建筑供配电系统设计

毕业论文外文翻译-高层建筑供配电系统设计DesignofPowerSupplyandDistributionSystemforHigh-riseBuildingsAbstractPowersupplyanddistributionsystemisthelifelineofhigh-risebuildings.Thedesignofpowersupplyanddistributionsystemisbasedonthecharacteristicsofhigh-risebuildings,whichrequiresnotonlyreliablesupplyofpower,butalsothesafetyofelectricityutilizationandefficientenergyconsumption.Inthispaper,thedesignofpowersupplyanddistributionsystemforhigh-risebuildingsisdiscussed,focusingontheselectionofpowersupplymode,thedesignofpowerdistributionsystem,thedesignofgroundingsystem,theselectionofelectricalequipmentandthedesignoflightningprotectionsystem.Theapplicationofadvancedtechnologiessuchasdistributedpowersupply,energymanagementandcontrolsystem,andintelligentelectricalequipmentcanimprovetheenergyefficiencyandutilizationofhigh-risebuildings,reduceenergyconsumptionandcarbonemissions,andpromotethedevelopmentofgreenbuildings.Keywords:high-risebuildings;powersupplyanddistributionsystem;energyefficiency;greenbuildingsIntroductionHigh-risebuildingsareanimportantsymbolofurbandevelopmentandrepresentthetrendofmodernarchitecture.Withthecontinuousimprovementofpeople’slivingstandards,thedemandforhigh-risebuildingsisincreasing.Powersupplyanddistributionsystemisanessentialpartofhigh-risebuildings,whichplaysacrucialroleintheoperationandmaintenanceofbuildings.Thedesignofpowersupplyanddistributionsystemforhigh-risebuildingsneedstoconsidermanyfactors,suchastechnicalperformance,safetyandreliability,energyefficiency,economicbenefitsandenvironmentalprotection,etc.Inrecentyears,withtherapiddevelopmentofnewenergyandadvancedtechnology,thedesignofpowersupplyanddistributionsystemforhigh-risebuildingshasundergonesignificantchanges,whichfocusonimprovingenergyefficiencyandreducingemissions.Thispaperanalyzesthedesignofpowersupplyanddistributionsystemforhigh-risebuildings,summarizestheselectionprinciplesanddesignmethodsofvarioussystems,andexplorestheapplicationofnewtechnologiestoimproveenergyefficiencyandpromotethedevelopmentofgreenbuildings.1.SelectionofPowerSupplyModeThepowersupplymodeisthebasicfoundationofpowersupplyanddistributionsystemofhigh-risebuildings.Intheselectionofpowersupplymode,itisnecessarytoconsiderthecharacteristicsofthebuildingandthesurroundingenvironment,andensurethereliabilityandsafetyofpowersupply.Currently,themainpowersupplymodesforhigh-risebuildingsaregrid-connectedpowersupplyanddistributedpowersupply.1.1Grid-connectedPowerSupplyGrid-connectedpowersupplyisatraditionalpowersupplymode,whichiswidelyusedinhigh-risebuildings.Ithastheadvantagesofreliablepowersupply,convenientoperationandmaintenance,andstablevoltageandfrequency.However,grid-connectedpowersupplyisvulnerabletonaturaldisasterssuchastyphoonsandearthquakes,andmaycausepoweroutages,whichwillaffectthenormallifeandworkofresidents.Moreover,thedevelopmentofdistributionnetworkislimitedbythecapacityofthegrid,whichmaycauseoverloadedoperationandreducetheenergyefficiencyofhigh-risebuildings.1.2DistributedPowerSupplyDistributedpowersupplyisanewpowersupplymode,whichcanimprovetheenergyefficiencyofhigh-risebuildingsandreducethedependenceonthegrid.Distributedpowersupplyincludescombinedheatandpower(CHP),solarpower,windpowerandotherrenewableenergysources.CHPisahighlyefficientpowergenerationtechnology,whichcangenerateelectricityandheatatthesametime,andutilizethewasteheatforairconditioninganddomestichotwater.Solarpowerandwindpowerarecleanenergysources,whichhavetheadvantagesofzeroemissionsandlongservicelife.Distributedpowersupplycanreducethetransmissionanddistributionlossesofpowersupply,andimprovetheenergyefficiencyofhigh-risebuildings.However,theinitialinvestmentofdistributedpowersupplyisrelativelyhigh,andthetechnicallevelofelectricalequipmentandmaintenancemanagementisdemanding.2.DesignofPowerDistributionSystemThepowerdistributionsystemisresponsibleforthepowertransmissionanddistributionofhigh-risebuildings,whichshouldensurethesafetyandreliabilityofthepowersupply.Thedesignofpowerdistributionsystemincludestheselectionofpowerdistributionequipment,thelayoutofpowerdistributionroom,andthecalculationofpowerload.2.1SelectionofPowerDistributionEquipmentTheselectionofpowerdistributionequipmentshouldmeettherequirementsoftechnicalperformance,safetyandreliability,andenergyefficiency.Themainpowerdistributionequipmentincludesswitchgear,transformer,busbar,distributionpanel,etc.Theswitchgearshouldhavethefunctionofover-currentprotection,short-circuitprotectionandearthleakageprotection,andshouldhavetheadvantagesofsmallvolume,lownoiseandhighreliability.Thetransformershouldbeselectedaccordingtothecapacityandvoltagelevel,andshouldhavetheadvantagesoflowloss,highefficiencyandsmallsize.Thebusbarshouldhavetheadvantagesofhighstrength,goodconductivityandlowresistance.Thedistributionpanelshouldhavethefunctionsofmetering,control,protectionandcommunication,andshouldbeeasytooperateandmaintain.2.2LayoutofPowerDistributionRoomThelayoutofpowerdistributionroomshouldbereasonableandconvenientforoperationandmaintenance.Thepowerdistributionroomshouldbelocatednearthepowersupplyentrance,andshouldhavetheadvantagesofgoodventilation,dry,cleanandspacious.Thepowerdistributionroomshouldbeequippedwiththenecessarysecuritymeasures,suchasfireprevention,explosion-proof,andlightningprotection.2.3CalculationofPowerLoadThecalculationofpowerloadisthekeytothedesignofpowerdistributionsystem.Thepowerloadincludeslightingload,airconditioningload,powerloadandspecialload,etc.Thecalculationofpowerloadshouldtakeintoaccountthediversityofload,thepossibilityofpeakload,andthecapacityofpowersupplyequipment.Theprimaryconsiderationistoensurethesafetyandreliabilityofpowersupply,andthentoimprovetheenergyefficiencyofpowerutilization.3.DesignofGroundingSystemThegroundingsystemisanimportantsafetymeasureforhigh-risebuildings.Thedesignofgroundingsystemshouldmeettherequirementsofelectricalsafetyandelectrostaticdischargeprotection.3.1ElectricalSafetyThegroundingsystemshouldhavethefunctionsoflightningprotection,over-voltageprotection,over-currentprotectionandearthleakageprotection,etc.Thegroundingresistanceshouldbelessthanthespecifiedvalue,andthegroundingwireshouldhavegoodconductivityandcorrosionresistance.Thegroundingsystemshouldbecomprehensivelytestedandmaintainedregularly.3.2ElectrostaticDischargeProtectionTheelectrostaticdischargeprotectionistopreventtheaccumulationofstaticelectricityandthedamageofelectricalequipment.Thedesignofelectrostaticdischargeprotectionincludestheselectionofanti-staticgroundingmaterial,thesettingofanti-staticfloor,andtheinstallationofanti-staticequipment.Theelectrostaticdischargeprotectionisespeciallyimportantfordatacentersandsensitiveelectricalequipment.4.SelectionofElectricalEquipmentTheselectionofelectricalequipmentisanimportantpartofthedesignofpowersupplyanddistributionsystemforhigh-risebuildings.Theselectionofelectricalequipmentshouldmeettherequirementsoftechnicalperformance,safetyandreliability,environmentalprotectionandenergyefficiency.4.1TechnicalPerformanceTheelectricalequipmentshouldmeettherelevantnationalandinternationalstandards,andhavethecharacteristicsofhighefficiency,lownoise,longservicelifeandeasymaintenance.Theelectricalequipmentshouldhavethefunctionsofprotection,control,measurementandcommunication,andshouldbecompatiblewiththeautomationsystem.4.2SafetyandReliabilityTheelectricalequipmentshouldhavethefunctionsofover-currentprotection,short-circuitprotection,groundconnectionprotectionandlightningprotection,etc.Theelectricalequipmentshouldbeinstalledandmaintainedbyqualifiedpersonnel,andshouldbetestedandcheckedregularlytoensurethesafetyandreliabilityofpowersupplyanddistributionsystem.4.3EnvironmentalProtectionandEnergyEfficiencyTheelectricalequipmentshouldhavetheadvantagesofenvironmentalprotectionandenergyefficiency,andshouldmeettherequirementsofgreenbuildingstandards.Theelectricalequipmentshouldhavethefunctionsofpowermonitoring,energymanagementandcontrol,andshouldbeabletooptimizetheenergyutilizationandreducetheenergyconsumption.5.DesignofLightningProtectionSystemThelightningprotectionsystemisanimportantsafetymeasureforhigh-risebuildings,whichcanpreventthedamageoflightningtoelectricalequipmentandhumanlife.Thedesignoflightningprotectionsystemincludestheselectionoflightningprotectiondevice,theinstallationoflightningrod,theconnectionofgroundingwire,andthecalculationoflightningprotectionzone.5.1SelectionofLightningProtectionDeviceThelightningprotectiondeviceshouldhavethefunctionsoflightningprotection,over-voltageprotection,surgeprotectionandelectromagneticpulseprotection,etc.Thelightningprotectiondeviceshouldbereliableanddurable,andshouldmeettherelevantnationalandinternationalstandards.5.2InstallationofLightningRodThelightningrodshouldbeinstalledontheroofofhigh-risebuildings,andshouldbeconnectedwiththegroundingsystem.Thelightningrodshouldbeplacedinahighposition,andshouldbemadeoflightandstrongmaterials,suchasaluminumalloyorstainlesssteel.Thelightningrodshouldbeinspectedregularlytoensureitseffectiveness.5.3ConnectionofGroundingWireThegroundingwireshouldbeconnectedwiththelightningrod,thegroundingsystem,andtheelectricalequipment.Thegroundingwireshouldhavetheadvantagesoflowresistance,goodconductivityandcorrosionresistance.Thegroundingwireshouldbetestedandcheckedregularlytoensureitseffectiveness.5.4CalculationofLightningProtectionZoneThecalculationoflightningprotectionzoneisthebasisforthedesignoflightningprotectionsystem.Thelightningprotectionzoneincludesthedirectlightningstrikezoneandtheinducedlightningzone.Thedirectlightningstrikezoneistheareacoveredbythelightningrod,andtheinducedligh