IEEE C 37.20.6-2007 外壳用额定电压为4.76kV～38kV地面和试验装置的标准
作者:标准资料网 时间:2024-05-03 04:03:07 浏览:9778
来源:标准资料网
【英文标准名称】:Standardfor4.76kVto38kVratedgroundandtestdevicesusedinenclosures
【原文标准名称】:外壳用额定电压为4.76kV～38kV地面和试验装置的标准
【标准号】:IEEEC37.20.6-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;接地;电气工程;外壳;联锁装置;金属外壳;操作;选择器开关;选择开关;开关设备;测试
【英文主题词】:Definition;Definitions;Earthing;Electricalengineering;Enclosures;Interlocks;Metalcasings;Operation;Selectorswitch;Selectorswitches;Switchgears;Testing
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_130_10
【页数】:31P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 船用铝管折边松套铝法兰 |
| 中标分类： |
船舶 >>
船舶管路附件 >>
船用管件 |
| 替代情况： | 调整为CB/T 3846-1999 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1966-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 船舶 船舶管路附件 船用管件
【英文标准名称】:Safetyoftransformers,reactors,powersupplyunitsandcombinationsthereof.ParticularrequirementsandtestsfortransformersandpowersupplyunitsforclassIIIhandlampsfortungstenfilamentlamps
【原文标准名称】:电力变压器,电抗器,供电机组及其组合的安全性.Ⅲ类手用钨丝灯变压器和供电机组的详细要求和试验
【标准号】:BSEN61558-2-9-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-03-30
【实施或试行日期】:2011-03-30
【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】:定义(术语);尺寸选定;电气安全性;防火安全性;手提灯;灯;供电系统;功率变压器;防电击;安全性;安全隔离变压器;短路保护;试验;变压器;钨丝灯
【英文主题词】:Definitions;Dimensioning;Electricalsafety;Firesafety;Hand-portablelamps;Lamps;Powersupplysystem;Powertransformers;Protectionagainstelectricshocks;Safety;Safetyisolatingtransformers;Short-circuitprotection;Testing;Transformers;Tungstenlamps
【摘要】:Replacement:ThispartofIEC61558dealswiththesafetyoftransformersforclassIIIhandlampsfortungstenfilamentlampsandpowersupplyunitsincorporatingtransformersforclassIIIhandlampsfortungstenfilamentlamps.Transformersincorporatingelectroniccircuitsarealsocoveredbythisstandard.NOTE1Safetyincludeselectrical,thermal,mechanicalandchemicalaspects.Unlessotherwisespecified,fromhereonward,thetermtransformercoverstransformersforclassIIIhandlampsfortungstenfilamentlampsandpowersupplyunitsincorporatingtransformersforclassIIIhandlampsfortungstenfilamentlamps.Thispartisapplicabletostationaryorportablesingle-phaseair-cooled(naturalorforced)independentorassociateddry-typetransformers.Thewindingsmaybeencapsulatedornon-encapsulated.Thisstandardisapplicabletotransformersandpowersupply(linear)withinternaloperationalfrequenciesnotexceeding500Hz.ThisstandardusedincombinationwithPart2-16forswitchmodepowersupply(SMPS)unitsisalsoapplicabletopowersupplieswithinternaloperationalfrequencieshigherthan500Hz.Wherethetworequirementsareinconflict,themostseveretakeprecedence.Theratedsupplyvoltagedoesnotexceed1000Va.c.,andtheratedsupplyfrequencyandtheinternaloperationalfrequenciesdonotexceed500Hz.TransformersforclassIIIhandlampsfortungstenfilamentlampshavethefollowingadditionalcharacteristics:–theno-loadoutputvoltageandtheratedoutputvoltagedonotexceed50Va.c.or120Vripple-freed.c.;–thereisonlyasmalldifferencebetweentheno-loadvoltageandtheratedoutputvoltage.Theratedoutputdoesnotexceed:–10kVA.Thispartisnotapplicabletoexternalcircuitsandtheircomponentsintendedtobeconnectedtotheinputterminalsandoutputterminalsofthetransformers.Transformerscoveredbythispartareusedinapplicationswheredoubleorreinforcedinsulationbetweencircuitsisrequiredbytheinstallationrulesorbytheendproductstandard.NOTE2Attentionisdrawntothefollowing:-fortransformersintendedtobeusedinvehicles,onboardships,andaircraft,additionalrequirements(fromotherapplicablestandards,nationalrules,etc.)maybenecessary;-measurestoprotecttheenclosureandthecomponentsinsidetheenclosureagainstexternalinfluencessuchasfungus,vermin,termites,solar-radiation,andicingshouldalsobeconsidered;-thedifferentconditionsfortransportation,storage,andoperationofthetransformersshouldalsobeconsidered;-additionalrequirementsinaccordancewithotherappropriatestandardsandnationalrulesmaybeapplicabletotransformersintendedforuseinspecialenvironments.NOTE3Futuretechnologicaldevelopmentoftransformersmaynecessitateaneedtoincreasetheupperlimitofthefrequencies,untilthenthispartmaybeusedasaguidancedocument.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:18P.;A4
【正文语种】:英语
