MIL-S-8879C (NOTICE 3)
作者:标准资料网 时间:2024-05-18 15:55:07 浏览:9824
来源:标准资料网
MIL-S-8879C (NOTICE 3), MILITARY SPECIFICATION: SCREW THREADS, CONTROLLED RADIUS ROOT WITH INCREASED MINOR DIAMETER, GENERAL SPECIFICATION FOR (24 FEB 2003) [S/S BY SAE-AS8879]., MIL-S-8879C, dated 25 July 1991, and AMENDMENT 1, dated 2 September 1992, arehereby canceled, and superseded by the Society of Automotive Engineers (SAE)Aerospace Specification AS8879. Threads identified as Application Category揙ther Thread?in MIL-S-8879C are identified as 揅ategory 1?threads inAS8879. Threads identified as Application Category 揝afety Critical Thread攊n MIL-S-8879C are identified as 揅ategory 2?threads in AS8879.(Application for SAE publications should be addressed to the Society ofAutomotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.)
【英文标准名称】:Powerlinecommunicationapparatusandsystemsusedinlow-voltageinstallationsinthefrequencyrange1,6MHzto30MHz-Residential,commercialandindustrialenvironment-Immunityrequirements
【原文标准名称】:频率1.6MHz到30MHz的低压装置用输电线通信设备和系统.住宅、商业和工业环境.抗干扰性要求
【标准号】:BSEN50412-2-1-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-12-12
【实施或试行日期】:2005-12-12
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:商业的;通信系统;通信技术;定义;电气器具;(电网)电源;电气设备;电气工程;电驱动装置;电磁兼容性;家用设备;工业的;影响量;干扰抑制;低压设备;窄带;输电线;规范(验收);测试;测试条件;测试要求;轧制宽带材
【英文主题词】:Commercial;Communicationsystems;Communicationtechnology;Definition;Definitions;Electricappliances;Electricmains;Electricpowertransmissionlines;Electricalappliances;Electricalengineering;Electrically-operateddevices;Electromagneticcompatibility;EMC;Evaluations;Frequencyranges;Householdequipment;Industrial;Influencequantities;Interferencerejections;Interferencesuppression;Lowvoltagemains;Low-voltageinstallations;Narrowband;Operationallocation;Powerlines;Specification(approval);Testing;Testingconditions;Testingrequirements;Widebandcommunication
【摘要】:Thisstandardappliestoelectricalequipmentusingsignalsinthefrequencyrange1,6MHzto30MHztotransmitinformationonlowvoltageelectricalsystems,eitheronthepublicsupplysystemorwithininstallationsinconsumers?premises.Itdoesnotspecifythesignalmodulationmethodsnorthecodingmethodsnorfunctionalfeatures.Environmentalrequirementsandtestsarenotincluded.Theimmunityrequirementshavebeenselectedsoastoensureanadequatelevelofimmunityforapparatusatresidential,commercialandlightindustrialpremises(Class1environment),andindustrialpremisessuppliedfromadedicatedHV/MVorMV/LVtransformers(Class2environment).Theseveritylevelsrequiredbythisstandardmaynotcoverextremecaseswhichmayoccurinanylocationbutwithalowprobabilityofoccurrence.Inspecialcasessituationswillarisewherethelevelofdisturbancesmayexceedthelevelsspecifiedinthisstandard(e.g.whereahand-heldtransmitterisusedinproximitytoanapparatus).Intheseinstancesspecialmitigationmeasuresmayberequired.
【中国标准分类号】:M30
【国际标准分类号】:33_100_20
【页数】:22P.;A4
【正文语种】:英语
Product Code:SAE AMS4590
Title:Extrusions, Nickel-Aluminum Bronze, Martensitic, 78.5Cu - 10.5Al - 5.1Ni - 4.8Fe, Solution Heat Treated and Tempered (TQ50)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers one type of nickel-aluminum bronze in the form of extruded bars, rods, and tubes.
