BS EN 61800-2-1998 调速电驱动系统.一般要求.低压调频交流电驱动系统额定值规范

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【英文标准名称】:Adjustablespeedelectricalpowerdrivesystems.Generalrequirements.Ratingspecificationsforlowvoltageadjustablefrequencya.c.powerdrivesystems
【原文标准名称】:调速电驱动系统.一般要求.低压调频交流电驱动系统额定值规范
【标准号】:BSEN61800-2-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-12-15
【实施或试行日期】:1998-12-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:验收检验;交流电流;交流电动机;气候;交付使用;连续操作;定义(术语);尺寸选定;传动系统;接地;电力变换器;电的;电气工程;电气设备;电气安全性;电传动系统;环境条件;频率;额定电压装置;低压设备;低压技术;测量设备;使用条件;操作;性能;工作性能;动力驱动;动力传动系统;产品信息;随机试样;额定值;常规检验;半导体器件;标志;规范(验收);系统;测试;型式;警告标志
【英文主题词】:Acceptanceinspection;Alternatingcurrent;Alternating-currentmotors;Climate;Commissioning;Continuousoperation;Definitions;Dimensioning;Drivesystems;Earthing;Electricconvertors;Electrical;Electricalengineering;Electricalequipment;Electricalsafety;Electricaltransmissionsystems;Environmentalconditions;Frequencies;Installationsforratedvoltages;Low-voltageequipment;Low-voltagetechnology;Measuringequipment;Operatingconditions;Operation;Performance;Performanceinservice;Powerdrives;Powertransmissionsystems;Productinformation;Randomsamples;Ratings;Routinechecktests;Semiconductordevices;Signs;Specification(approval);Systems;Testing;Types;Warningsigns
【摘要】:ThispartofIEC61800appliestogeneralpurposeadjustablespeeda.c.drivesystemswhichincludepowerconversion,controlequipment,andalsoana.c.motorormotors.Excludedaretractionandelectricalvehicledrives.Itappliestosystemsconnectedtolinevoltagesupto1kVa.c,50Hzor60Hz,andloadsidefrequencyupto600Hz.EMCaspectsarecoveredinIEC61800-3.ThispartofIEC61800givesthecharacteristicsoftheconvertersandtheirrelationshipwiththecompletea.c.drivesystem.Italsostatestheirperformancerequirementswithrespecttoratings,normaloperatingconditions,overloadconditions,surgewithstandcapabilities,stability,protection,a.c.lineearthing,andtesting.Furthermore,itdealswithapplicationguidelines,suchascontrolstrategies,diagnostics,andtopologies.ThispartofIEC61800isintendedtodefineacompletea.c.PDSintermsofitsperformanceandnotintermsofindividualsubsystemfunctionalunits.
【中国标准分类号】:K20
【国际标准分类号】:29_200
【页数】:94P.;A4
【正文语种】:英语


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【英文标准名称】:SpecificationforNon-ReinforcedExtrudedTeeConnectionsforPipingApplications
【原文标准名称】:管道非增强挤制T形接头规范
【标准号】:ANSI/ASTMF2014-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Connections;Extruded;Flangecouplings;Flanges;Fluidsystems;Joints;Nonreinforced;Pipetees;Pipelines;Pipes;Piping;Pipingsystem;Specification
【摘要】:Thisspecificationcoversthepipematerialsanddimensionsforproducingnon-reinforcedextrudedteeconnectionsmanufacturedbymechanicalformingprocesses.Theterm"extrudedteeconnection"appliestobutt-weldorsocket-weldconnections.Thisspecificationreferstotheformingprocessthatleadstoweldingorbrazing.Thenon-reinforcedextrudedpipeteeconnectionisanalternativetotheteefittings,nozzle,andotherweldedconnections.Thenon-reinforcedextrudedpipeteeconnectionhasbeenwidelyusedforsystemsinthemarine,processpiping,food,pharmaceutical,andsimilarindustries.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.TheextrudedteeconnectionwillbeweldedinaccordancewithSpecificationF722.BrazingofteeconnectionswillbeinaccordancewithANSIB31.5.
【中国标准分类号】:J15
【国际标准分类号】:23_040_60
【页数】:
【正文语种】:英语


【英文标准名称】:Analysisofsurfaceactiveagents(rawmaterials)-Sodiumalkylbenzenesulphonates-Methodfordeterminationofmeanrelativemolecularmass
【原文标准名称】:表面活性剂(原料)的分析.烷基苯磺酸钠.平均分子量测定方法
【标准号】:BS6829-3.1-1989
【标准状态】:现行
【国别】:英国
【发布日期】:1989-03-31
【实施或试行日期】:1989-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;试验条件;苯;钠有机化合物;试验设备;表面活性剂;磺酸盐化合物;烷基化合物;溶剂萃取方法;再现性;分子量;气相液相色谱分析
【英文主题词】:Alkylcompounds;Determination;Gaschromatography;Molecularweight;Surfactants;Testing;Tests
【摘要】:Desulphonationinphosphoricacid,extractionwithlightpetroleumanddeterminationbygas-liquidchromatography.Applicableonlytostraight-chainsodiumalkylbenzenesulphonates.
【中国标准分类号】:G72
【国际标准分类号】:71_100_40
【页数】:10P.;A4
【正文语种】:英语