NF C63-490-1997 低压开关设备和控制装置的部分试验组件通过推断的温升评估法

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【英文标准名称】:Amethodoftemperature-riseassessmentbyextrapolationforpartiallytype-testedassemblies(PTTA)oflowswithgearandcontrolgear.
【原文标准名称】:低压开关设备和控制装置的部分试验组件通过推断的温升评估法
【标准号】:NFC63-490-1997
【标准状态】:现行
【国别】:法国
【发布日期】:1997-07-01
【实施或试行日期】:1997-07-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Air;Assemblies;Assessment;Combination;Compositedevices;Coolingsurfaces;Design;Determination;Electriccontrolequipment;Electricalengineering;Enclosures;Extrapolation;Formulae;Heating;Heatingmeasurements;Heating-upcharacteristics;Installations;Instruments;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Low-voltagetechnology;Mathematicalcalculations;Measuringtechniques;Monitors;Partial;Processes;Qualificationtests;Ratings;Switchgear;Switchgearassemblies;Temperature;Temperaturerise;Temperaturerises;Testing;Voltage
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:30P.;A4
【正文语种】:其他


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Product Code:SAE J2000
Title:Internal Combustion Engines Piston Rings Keystone Rings
Issuing Committee:Piston And Ring Standards Committee
Scope:This SAE Standard is equivalent to ISO Standard 6624/1.Differences, where they exist, are shown in Appendix A.This SAE Standard specifies the essential dimensional features of T, TB, TM, K, KB, and KM keystone piston ring types.The requirements of this document apply to compression rings for reciprocating internal combustion engines up to and including 200 mm diameter.MIL-DTL-46177C, DETAIL SPECIFICATION: ARMOR, STEEL PLATE AND SHEET, WROUGHT, HOMOGENEOUS (1/8 TO LESS THAN 1/4 INCH THICK) (24 OCT 1998) [SUPERSEDING MIL-A-46177B)., This specification covers wrought-steel homogeneous plate and sheetfrom l/8 to less than l/4 inch inclusive in thickness (see 6.2).