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DIN EN 50557-2012 断路器自动重合闸装置要求.家庭及类似用途用RCBOs-RCCBs.德文版本EN50557-2011

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【英文标准名称】:Requirementsforautomaticreclosingdevices(ARDs)forcircuitbreakers-RCBOs-RCCBsforhouseholdandsimilaruses;GermanversionEN50557:2011
【原文标准名称】:断路器自动重合闸装置要求.家庭及类似用途用RCBOs-RCCBs.德文版本EN50557-2011
【标准号】:DINEN50557-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-08
【实施或试行日期】:2012-08-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;交流电流;交流电压;室温;自动重合闸;断路器;分类系统;接触安全装置;防腐蚀;切断;定义(术语);设计;差分电流开关;差分电流;消耗能量;家用电气设备;接地断路器;电气工程;电力设备;电气保护设备;电气安全性;电磁兼容性;电磁兼容性(EMC);故障电流;加热;家用(安装)设备;脉冲电压;检验;绝缘件;中断;漏电路径;极限;线路开关;低电压;处理;小型断路器;安装材料;接线顺序;过电流;过流断路器;过电流保护;过电流保护装置;过载继电器;过电压保护装置;产品信息;防电击;保护设备;对外来物的防护;绝缘保护;额定电流;评定;释放;剩余电流驱动的断路器;剩余电流控制器件;常规检验;自动断路器;短路;短路强度;开关;开关保险丝;开关设备;开关功率;试验;热稳定性;跳闸机构(断路器);抗震性
【英文主题词】:Accessories;Alternatingcurrent;Alternatingvoltages;Ambienttemperature;Automaticreclosing;Circuit-breakers;Classificationsystems;Contactsafetydevices;Corrosionprotection;Cutoff;Definitions;Design;Differentialcurrentswitches;Differentialcurrents;Dissipatedenergy;Domesticelectricalinstallations;Earth-leakagecircuit-breakers;Electricalengineering;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrents;Heating;Houseinstallations;Impulsevoltages;Inspection;Insulations;Interruptions;Leakagepaths;Limitations;Lineswitches;Lowvoltage;Marking;Miniaturecircuit-breakers;Mountingmaterials;Orderofconnection;Overcurrent;Overcurrentcircuit-breakers;Overcurrentprotection;Overcurrentprotectiondevices;Overloadrelays;Overvoltageprotection;Productinformation;Protectionagainstelectricshocks;Protectiondevices;Protectionsagainstforeignmatters;Protectiveinsulations;Ratedcurrent;Ratings;Release;Residualcurrentoperatedcircuit-breakers;Residualcurrent-operateddevices;Routinechecktests;Self-actingcircuit-breakers;Shortcircuits;Short-circuitstrength;Switches;Switch-fuses;Switchgear;Switchingpower;Testing;Thermalstability;Trippingmechanisms(circuit-breakers);Vibrationproofness
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:61P;A4
【正文语种】:德语


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【英文标准名称】:Lifejacketsandpersonalbuoyancyaids-Buoyancyaids-50N.
【原文标准名称】:NFEN393-1994的修改件1
【标准号】:NFS71-601/A1-1998
【标准状态】:作废
【国别】:法国
【发布日期】:1998-10-01
【实施或试行日期】:1998-10-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:安全要求;材料;检验;安全工程;作标记;试验;体育器材;水上运动设备;规范(验收);充气的;浮力;尺寸;使用说明;浮力救护;职业安全;防护服装;设计;救生衣;游泳器具;救生设备
【英文主题词】:
【摘要】:
【中国标准分类号】:U27
【国际标准分类号】:13_340_70
【页数】:20P;A4
【正文语种】:其他


【英文标准名称】:StandardGuideforUsingtheGravityMethodforSubsurfaceInvestigation
【原文标准名称】:重力法探测地下的标准指南
【标准号】:ASTMD6430-1999(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:geophysics;gravity;microgravity;surfacegeophysics;Subsurfaceinvestigation--soil/rock;Gravitymethod
【摘要】:Concepts8212;Thisguidesummarizestheequipment,fieldprocedures,andinterpretationmethodsusedforthedeterminationofsubsurfaceconditionsduetodensityvariationsusingthegravitymethod.Gravitymeasurementscanbeusedtomapmajorgeologicfeaturesoverhundredsofsquaremilesandtodetectshallowsmallerfeaturesinsoilorrock.Insomeareas,thegravitymethodcandetectsubsurfacecavities.Anotherbenefitofthegravitymethodisthatmeasurementscanbemadeinmanyculturallydevelopedareas,whereothergeophysicalmethodsmaynotwork.Forexample,gravitymeasurementscanbemadeinsidebuildings;inurbanareas;andinareasofcultural,electrical,andelectromagneticnoise.Measurementofsubsurfaceconditionsbythegravitymethodrequiresagravimeter(Fig.1)andameansofdetermininglocationandveryaccuraterelativeelevationsofgravitystations.Theunitofmeasurementusedinthegravitymethodisthegal,basedonthegravitationalforceattheEarth''ssurface.TheaveragegravityattheEarth''ssurfaceisapproximately980gal.Theunitcommonlyusedinregionalgravitysurveysisthemilligal(10x2212;3gal).Typicalgravitysurveysforenvironmentalandengineeringapplicationsrequiremeasurementswithanaccuracyofafewx03BC;gals(10x2212;6gals),theyareoftenreferredtoasmicrogravitysurveys.Adetailedgravitysurveytypicallyusescloselyspacedmeasurementstations(afewfeettoafewhundredfeet)andiscarriedoutwithagravimetercapableofreadingtoafewx03BC;gals.Detailedsurveysareusedtoassesslocalgeologicorstructuralconditions.Agravitysurveyconsistsofmakinggravitymeasurementsatstationsalongaprofilelineorgrid.Measurementsaretakenperiodicallyatabasestation(astablenoise-freereferencelocation)tocorrectforinstrumentdrift.Gravitydatacontainanomaliesthataremadeupofdeepregionalandshallowlocaleffects.Itistheshallowlocaleffectsthatareofinterestinmicrogravitywork.Numerouscorrectionsareappliedtotherawfielddata.Thesecorrectionsincludelatitude,freeairelevation,Bouguercorrection(masseffect),Earthtides,andterrain.Afterthesubtractionofregionaltrends,theremainderorresidualBouguergravityanomalydatamaybepresentedasaprofileline(Fig.2)oronacontourmap.Theresidualgravityanomalymapmaybeusedforbothqualitativeandquantitativeinterpretations.AdditionaldetailsofthegravitymethodaregiveninTelfordetal(4);Butler(5);Nettleton(6);andHinze(7).ParameterBeingMeasuredandRepresentativeValues:Thegravitymethoddependsonlateralanddepthvariationsindensityofsubsurfacematerials.Thedensityofasoilorrockisafunctionofthedensityoftherock-formingminerals,theporosityofthemedium,andthedensityofthefluidsfillingtheporespace.Rockdensitiesvaryfromlessthan1.0g/cm3forsomevesicularvolcanicrockstomorethan3.5g/cm3forsomeultrabasicigneousrocks.AsshowninTable1,thenormalrangeislessthanthisand,withinaparticularsite,therealisticlateralcontrastsareoftenmuchless.Table1showsthatdensitiesofsedimentaryrocksaregenerallylowerthanthoseofigneousandmetamorphicrocks.Densitiesroughlyincreasewithincreasinggeologicagebecauseolderrocksareusuallylessporousandhavebeensubjecttogreatercompaction.Thedensitiesofsoilsandrocksarecontrolled,toaverylargeex...........
【中国标准分类号】:P10
【国际标准分类号】:07_060
【页数】:10P.;A4
【正文语种】:英语