优变电站电气设备的设计和性能规定（中英文对照）

变电站电气设备的设计和性能规定（中英文对照）目录TABLEOFCONTENTS电气特殊要求ElectricalSpecialRequirements1简介Introduction2工程范围Scopeofwork3主电源Mainspowersupply4供电Powersupply5STP及互联网服务供应商的设计标准STPandISPdesigncriteria611kv配电611kvpowerdistribution部分章节示例如下：4供电4Powersupply4.1ThepowersupplyarrangementfortheSTPshallbeasperSinglelinediagrams,DrawingNo.NMT/BWSSP-II/S1c/KCV/E/1001,NMT/BWSSP-II/S1C/KCV/E/1002.为STP电源安排应为每单线图，图号NMT/BWSSP-II/S1c/KCV/E/1001，NMT/BWSSP-II/S1C/KCV/E/1002。4.2ThepowersupplyarrangementfortheISPSshallbeasperSinglelinediagram,DrawingNo.NMT/BWSSP-II/S1c/AGA/E/1010.互联网服务供应商的电力供应安排应为每单线图，图号NMT/BWSSP-II/S1c/AGA/E/1010。4.3ThepowersupplyarrangementfortheISPSshallbeasperSinglelinediagram,DrawingNo.NMT/BWSSP-II/S1c/SAR/E/1011.互联网服务供应商的电力供应安排应为每单线图，图号NMT/BWSSP-II/S1c/SAR/E/1011。5STP及互联网服务供应商的设计标准5STPandISPdesigncriteriaAllelectricalequipmentwillberatedfor45qCdesignedambienttemperature.TheinstallationwillgenerallyconformtoIndianStandards/IEC.将所有电气设备额定45qC设计的环境温度。安装一般会符合印度标准/IEC。Thefollowingfactorsshallbeconsideredforproperselectionofelectricalapparatusorequipmentforareaswhereflammablegasorvapoursmayrise.可燃性气体或蒸气可能上升为地方的电气设备或设备的正确选择应考虑以下因素。a)Areaclassificationa）地区分类TheclassificationofareashallbeasperIS5571&IS5572,basedonthedegreeofprobabilitywithwhichexplosiveconcentrationsofcombustiblegasorvapourmayariseininstallationsintermsofboththefrequencyofoccurrenceandprobabledurationofexistenceoneachoccasion.区域分类应为每IS5571和5572，爆炸性浓度的可燃气体或蒸气可能在安装发生的频率和每次存在时间可能出现的概率程度的基础上。5.7备用柴油发电机组5.7Standbydieselgeneratorset5.7.1K&CValleySTP:Thereshallbeoneno11kVStandbyDieselGeneratorSetwithAMFPanel&AcousticEnclosure.ThecapacityoftheStandbyGeneratoratshallbesizedforpowerbackupforallcriticalloadswhicharerequiredforcontinuousoperationoftheplant.Thecapacityshallbeminimumof50%oftotalworkingloadofthePlantand10%ContingencyovertheseloadsshallbeconsideredwhilesizingtheDGSet.须有一个没有11千伏备用柴油发电机与AMF面板及声学附件。备用发电机的容量应为权力大小，备份所有关键工厂连续运行所需的负载。容量应最低50％的总的工作负载，这些负载的厂房及10％的应急应被视为同时总干事集的大小。AutomaticMainFailurePanel:OneAMF(AutomaticMainFailurePanel)shallbeprovidedforeachDieselGeneratorSet.TheAMFshallincludetwoincomingcircuitbreakers,onefrommains(BESCOM/KPTCL)andonefromastandbypower,withbothelectricalandmechanicalinterlocksystembetweenthemainsandthestandbypower.自动主要不合格小组：应为每个柴油发电机组提供一个AMF（自动主要不合格小组）。AMF的应包括两个传入的断路器，电源（BESCOM/KPTCL），从一备用电源和电源之间的电气和机械联锁系统备用电源。ThecapacitorbanksprovidedshallbeofbusconnectedtypewithAutomaticPowerfactorcorrection,thesystemshallbedesignedsuchthatapowerfactorofnotlessthan0.98ismaintained.提供电容银行应自动功率因数校正，总线连接类型系统应设计，保持了不低于0.98的功率因数。Automaticallycontrolledmultistagepowerfactorcorrectionshallbeprovided.2Nos.PFCpanelsprovidingnolessthan8NoPFCstagesperpanelshallbeprovidedeachconnectedtoonebussectionofthedistributionoard.ThePFoneachhalfoftheboardshallbemonitoredandcorrespondingPFCcapacitorsswitchedinandoutautomaticallyindiscretestagesinordertomaintainasetpointPFvalue.应提供自动控制多级功率因数校正。2号PFC板提供不低于8每块面板无PFC级应提供每个连接到一个配电板的总线部分。应监测和相应的PFC电容器切换和自动退出，以保持设定点PF值离散阶段。EachpanelshallbeconfiguredsuchthatnoPFCcapacitorstagesshalloperatewhenthestandbygeneratorispoweringthesideofthedistributionboa