标准名称：	加工钛合金ＭＪ螺纹带前引导的修正牙型螺母丝锥 ｄ＝３~３９ｍｍｐ＝０．５~２ｍｍ
中标分类：	航空、航天 >> 航空器与航天器制造用设备 >> 刀具
发布日期：	1994-06-01
实施日期：	1994-12-01
首发日期：	1900-01-01
作废日期：	1900-01-01
出版日期：	1900-01-01
页数：	24页

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【英文标准名称】:Windturbinegeneratorsystems-Part21:Measurementandassessmentofpowerqualitycharacteristicsofgridconnectedwindturbines
【原文标准名称】:风轮发电机系统第21部分：管道连接风轮机功率质量特性的测量和评定
【标准号】:IEC61400-21-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC88
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;风力电站;风力涡轮机;发电机;电力网供电;测量技术;电气工程;兼容性;电功率测量;规范(验收);涡轮机
【英文主题词】:Compatibility;Definition;Definitions;Electricpowersystems;Electricalengineering;Generators;Mainssupply;Measuringtechniques;Powermeasurement(electric);Ratings;Specification(approval);Turbines;Windpowerstations;Windturbines
【摘要】:ThispartofIEC61400includes:·definitionandspecificationofthequantitiestobedeterminedforcharacterizingthepowerqualityofagridconnectedwindturbine;·measurementproceduresforquantifyingthecharacteristics;·proceduresforassessingcompliancewithpowerqualityrequirements,includingestimationofthepowerqualityexpectedfromthewindturbinetypewhendeployedataspecificsite,possiblyingroups.Themeasurementproceduresarevalidforsinglewindturbineswithathree-phasegridconnection,andaslongasthewindturbineisnotoperatedtoactivelycontrolthefrequencyorvoltageatanylocationinthenetwork.Themeasurementproceduresarevalidforanysizeofwindturbine,thoughthisstandardonlyrequireswindturbinetypesintendedforPCCatMVorHVtobetestedandcharacterizedasspecifiedinthisstandard.Themeasuredcharacteristicsarevalidforthespecificconfigurationoftheassessedwindturbineonly.Otherconfigurations,includingalteredcontrolparametersthatcausethewindturbinetobehavedifferentlywithrespecttopowerquality,requireseparateassessment.Themeasurementproceduresaredesignedtobeasnon-site-specificaspossible,sothatpowerqualitycharacteristicsmeasuredatforexampleatestsitecanbeconsideredvalidalsoatothersites.TheproceduresforassessingcompliancewithpowerqualityrequirementsarevalidforwindturbineswithPCCatMVorHVinpowersystemswithfixedfrequencywithin±1Hz,andsufficientactiveandreactivepowerregulationcapabilitiesandsufficientloadtoabsorbthewindpowerproduction.Inothercases,theprinciplesforassessingcompliancewithpowerqualityrequirementsmaystillbeusedasaguide.NOTE1Thisstandardusesthefollowingtermsforsystemvoltage:-lowvoltage(LV)referstoUn≤1kV;-mediumvoltage(MV)refersto1kV35kV.NOTE2Theissueofinterharmonicsisnotaddressedinthisstandard,thoughitisunderconsiderationawaitingpropermeasurementandassessmentprocedurestobeestablishedbytheappropriateIECcommittee.
【中国标准分类号】:F11
【国际标准分类号】:17_220_20;27_180
【页数】:85P;A4
【正文语种】:英语