【英文标准名称】:Switchgear-UnitSubstations-Requirements
【原文标准名称】:开关设备.成套变电所.要求
【标准号】:ANSIC37.121-1989
【标准状态】:作废
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:变压器站;开关设备
【英文主题词】:Switchgear;Transformerposts
【摘要】:Thisstandardcoverstherequirementsforthree-phaseunitsubstationsforstep-downoperationintherangeof112.5kVAthrough10000kVAatprimaryvoltagesof601voltsthrough38kilovolts.Thestandardisintendedforuseasthebasisforthecoordinationofequipmentbyassistingintheselectionofcomponents.Avarietyofdesignsforunitsubstationsarepossibleusingvariouscombinationsofincomingsections,transformersections,outgoingsections,andtransition(throat)sections.SincethetransformersectiondeterminesthekVAandvoltagecapabilitiesofaunitsubstation,theratingsofthevarioustypesofunitsubstationsaredescribedintermsoftransformercapability.Thisstandarddoesnotcoverthefollowinginstallations:1)Substationsinwhichthetransformersectionincludesload-tap-changingequipment2)Substationsinwhichthetransformersectionisdescribedanddefinedas“network,”“subway,”“vault,”or“underground”inAmericanNationalStandardsC57.12.24-1989,C57.12.40-1982,andC57.12.57-198713)Substationsinwhichthetransformersectionisdescribedanddefinedas“pad-mounted”inAmericanNationalStandardsC57.12.22-1989,C57.12.26-1987,andC57.12.2714)Substationswithgas-insulatedequipment,suchassubstationsinsulatedwithSF6,describedinANSI/IEEEC37.122-198915)Rectifier-typesubstations6)Mobilesubstations7)Installationsinships,watercraft,railwayrollingstock,aircraft,orautomotivevehiclesotherthanmobilehomesandrecreationalvehicles8)Installationsformines9)Installationsofrailwaysforgeneration,transformation,transmission,ordistributionofpowerusedexclusivelyforoperationofrollingstock,orforinstallationsusedexclusivelyforsignalingandrailwaycommunicationpurposes.10)Installationsofcommunicationequipmentthatisundertheexclusivecontrolofcommunicationutilities,locatedoutdoorsorinbuildingspacesusedexclusivelyforsuchinstallations.11)Installationsundertheexclusivecontrolofelectricutilitiesforthepurposeofcommunication,ormetering;orforthegeneration,control,transformation,transmission,anddistributionofelectricenergylocatedinbuildingsusedexclusivelybyutilitiesforsuchpurposesorlocatedoutdoorsonpropertyownedorleasedbytheutilityoronpublichighways,streets,roads,etc;oroutdoorsbyestablishedrightsonprivateproperty.Itisintendedthattheincoming,outgoing,transformer,andtransitionsectionsincludedinaunitsubstationshallmeetthebasicrequirementsofapplicableindustrystandardsforthosesections.Inaddition,thesesectionsshallmeetanyadditionalrequirementsimposedbythisstandardwhentheyareusedaspartofaunitsubstation.
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:29P.;A4
【正文语种】:英语