【英文标准名称】:Acoustics.Referencezeroforthecalibrationofaudiometricequipment.Referenceequivalentthresholdsoundpressurelevelsforpuretonesinthefrequencyrange8kHzto16kHz
【原文标准名称】:声学.听力测定设备校正基准点.频率范围8kHz-16kHz的纯音参考等效域声压级
【标准号】:BSISOTR389-5-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-09-15
【实施或试行日期】:1998-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:耳机;声学;听觉阈;听觉;听力测定;声学设备;频率;校正;听力计;声强
【英文主题词】:audiometry;calibration;audiometers;frequencies;acousticequipment;soundintensity;acoustics;earphones;hearing(auditoryperception);auditorythreshold
【摘要】:
【中国标准分类号】:N65
【国际标准分类号】:13_140
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:Windturbines-Part21:Measurementandassessmentofpowerqualitycharacteristicsofgridconnectedwindturbines
【原文标准名称】:风力涡轮机.第21部分:并网风力涡轮机的功率质量特性的测量和评估
【标准号】:IEC61400-21-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC88
【标准类型】:()
【标准水平】:()
【中文主题词】:兼容性;定义;电力系统;电气工程;发电机;电力网供电;测量技术;电功率测量;额定值;规范(验收);涡轮机;风力电站;风力涡轮机
【英文主题词】:Activepower;Bond;Compatibility;Compatibilitytests;Definitions;Durability;Electricpowersystems;Electricalengineering;Energysupplysystems(buildings);Generators;Grids;Mainssupply;Measurementset-up;Measuringtechniques;Networkprotection;Powermeasurement;Powermeasurement(electric);Quality;Ratings;Specification(approval);Stress;Testing;Turbines;Voltagedips;Windpowerstations;Windturbines
【摘要】:ThispartofIEC61400includes:~definitionandspecificationofthequantitiestobedeterminedforcharacterizingthepowerqualityofagridconnectedwindturbine;~measurementproceduresforquantifyingthecharacteristics;~proceduresforassessingcompliancewithpowerqualityrequirements,includingestimationofthepowerqualityexpectedfromthewindturbinetypewhendeployedataspecificsite,possiblyingroups.Themeasurementproceduresarevalidforsinglewindturbineswithathree-phasegridconnection.Themeasurementproceduresarevalidforanysizeofwindturbine,thoughthispartofIEC61400onlyrequireswindturbinetypesintendedforPCC(PointofCommonCoupling)atMVorHVtobetestedandcharacterizedasspecifiedinthispartofIEC61400.Themeasuredcharacteristicsarevalidforthespecificconfigurationandoperationalmodeoftheassessedwindturbinetypeonly.Otherconfigurations,includingalteredcontrolparametersthatcausethewindturbinetobehavedifferentlywithrespecttopowerquality,requireseparateassessment.Themeasurementproceduresaredesignedtobeasnon-site-specificaspossible,sothatpowerqualitycharacteristicsmeasuredatforexampleatestsitecanbeconsideredvalidalsoatothersites.TheproceduresforassessingcompliancewithpowerqualityrequirementsarevalidforwindturbineswithPCCatMVorHVinpowersystemswithfixedfrequencywithin+1Hz,andsufficientactiveandreactivepowerregulationcapabilities.Inothercases,theprinciplesforassessingcompliancewithpowerqualityrequirementsmaystillbeusedasaguidance.ThispartofIEC61400isfortestingofwindturbines,thoughitcontainsinformationthatmayalsobeusefulfortestingofwindfarms.NOTEThispartofIEC61400usesthefollowingtermsforsystemvoltage:-Iowvoltage(LV)referstoUn≤1kV;-mediumvoltage(MV)refersto1kV【中国标准分类号】:F11
【国际标准分类号】:17_220_20;27_180
【页数】:120P;A4
【正文语种】:英语