BS 7816-3-1998 聚合物长期辐射老化的测定.低压电缆材料使用的监控程序

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【英文标准名称】:Determinationoflong-termradiationageinginpolymers-Proceduresforin-servicemonitoringoflow-voltagecablematerials
【原文标准名称】:聚合物长期辐射老化的测定.低压电缆材料使用的监控程序
【标准号】:BS7816-3-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-07-15
【实施或试行日期】:1998-07-15
【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】:额定电压;扭矩;老化试验;老化;扭转试验;低电压;损耗因数;密度测量;电缆护套;局部放电;聚氯乙烯;热老化试验;核辐射;绝缘电缆;电缆;塑料;辐射;电绝缘材料;核电站;含量测定;分光光度法;文献索引;化学分析和试验;低压电器;材料的物理性质;电气试验;断裂伸长;硬度试验;增塑剂;红外线辐射;试验设备;反射系数;高聚物;声学检验;抗氧化
【英文主题词】:Ageingtests;Electricalengineering;Electricalinsulatingmaterials;Insulatingmaterials;Low-tensioncables;Polymerisates;Radiationresistance;Testing
【摘要】:Thistechnicalreportsummarizesthemaincablemonitoringtechniqueswhicharecurrentlybeingassessedworldwide.Thesetechniquesareprimarilyaimedatmonitoringdegradationoflow-voltagecables.Mostofthemethodsareatthedevelopmentstageandrequirein-plantevaluationbeforetheycouldberecommendedasstandardtechniques.Theadvantagesanddisadvantagesofeachmethod,anditscurrentstateofdevelopment,areoutlinedinthefollowingsections.Therearetwoaspectsofcablemonitoringthatneedtobetakenintoaccount-techniquessuitableforageingevaluationandtechniquessuitableformonitoringfaultsincables.Themethodsdiscussedmay,insomecases,bemoresuitableformonitoringfaultsthanforevaluatingthedegreeofdegradationofthecablematerials.
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:40P.;A4
【正文语种】:英语


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【英文标准名称】:ULStandardforSafetyOverheatingProtectionforMotors[Superseded:UL519,UL547]
【原文标准名称】:电动机过热保护UL安全性标准[替代:UL519、UL547]
【标准号】:UL2111BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-02-09
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Covers:a)Impedance-protectedmotors;b)Thermal-device-protectedmotors;andc)Thermal-protectivedevices.Therequirementsinthisstandardapplyonlytomotorsrated600Vorless.Therequirementsinthisstandardareintendedtoevaluateaspecificmotorwithagivenprotector.Wheneitherthemotorortheprotectorischanged,aseparateevaluationisrequired.Therequirementsinthisstandardcover:a)Impedance-protectedmotors;b)Thermal-device-protectedmotors;andc)Thermal-protectivedevices.Therequirementsinthisstandardapplyonlytomotorsrated600Vorless.Therequirementsinthisstandardareintendedtoevaluateaspecificmotorwithagivenprotector.Wheneitherthemotorortheprotectorischanged,aseparateevaluationisrequired.Thisstandardwaslistedforpublicreviewinthe3/23/2001issueofStandardsAction.Itisbeingresubmittedduetothefollowingchangestothetext.[see30-dayPRtextinemail]
【中国标准分类号】:K20
【国际标准分类号】:29_160_30
【页数】:
【正文语种】:英语


Product Code:SAE AS85049/140
Title:Connector Accessories, Electrical Boots, Heat-Shrinkable, Straight, Category 9
Issuing Committee:Ae-8c1 Connectors Committee
Scope:Scope unavailable.