SAE AIR801 Oscillographic Method for Measuring Spark Energy of Capacitor Discharge Ignition Systems (NONCURRENT May 1989

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Product Code:SAE AIR801
Title:Oscillographic Method for Measuring Spark Energy of Capacitor Discharge Ignition Systems (NONCURRENT May 1989)
Issuing Committee:E-30 Propulsion Ignition Systems Committee
Scope:The efficiency of any electrical machine is the ratio of the output to input and is generally expressed in per cent. In the case of ignition systems the input power can be supplied from a battery, 115, volt, 400 cycle generator or an engine driven alternator which is integral to the ignition system. Regardless of the input power source, the ignition unit functions to form this power into a spark for the ignition of combustible mixtures. A spark between two electrodes (igniter plug electrodes) is the most acceptable way for igniting a combustible mixture. The wide variation of the combustible mixtures found in the region of the igniter plug electrodes compels manufacturers to provide a wide variation in ignition systems. The design parameters of the ignition system (spark rate per second, spark energy, duration of the spark) are generally arrived at by empirical engine testing. Thus it is very important that means be provided for testing the energy of the spark independent of the final system application.
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【英文标准名称】:Prentypeelectriccablesforaircraft
【原文标准名称】:飞行器用普兰式电缆
【标准号】:BS2E21-1957
【标准状态】:作废
【国别】:英国
【发布日期】:1957-12-23
【实施或试行日期】:1957-12-23
【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】:过电压试验;飞行器部件;低温试验;电气布线系统;单芯电缆;定型试验;性能试验;额定电流;弯曲试验;热老化试验;色码;电阻测量;浸入试验;作标记;护套电缆;绝缘电缆;多芯电缆;名称与符号;抗拉试验;尺寸;电缆
【英文主题词】:Aircraftcomponents;Bendtesting;Colourcodes;Designations;Dimensions;Electriccables;Electricwiringsystems;Heatageingtests;Immersiontests(corrosion);Insulatedcables;Low-temperaturetesting;Marking;Multicorecables;Overvoltagetests;Performancetesting;Ratedcurrent;Resistancemeasurement;Sheathedcables;Single-corecables;Tensiletesting;Typetesting
【摘要】:1.ThisBritishStandardspecifiestherequirementsfor'Pren'typecablesforaircraftwiringofcircuitswherethepotentialbetweenconductors,orbetweenaconductorandmetalbraidortheaircraftstructuredocsnotexceed600volts(r.m.s.)involtageand1600c/sinfrequency;alsowhereanycombinationofambienttemperatureandconductorcurrentforcontinuousservicedoesnotpro-duceastabilizedconductortemperatureinexcessof90℃.Thesecablesarcsuitableforfixedwiringinaircraftwhenlowtemperatures(……75℃)arcencountered,butarenotsuitableforsevereflexingbelow……40℃.ThecablesdonotsupportcombustionbuttheyshouldnotberegardedascomplyingwiththerequirementsofBritishStandardG.100,Generalrequirementsforelectricalequipmentandindicatinginstrumentsforaircraftinregardtofireresistance.Thecablesareunsuitableforusewithoutadditionalprotectioninareaswhereester-basedfluidsarepresent.Thegenericname'Pren'shallbeappliedonlytocablescoveredbythisBritishStandardandcomplyingwithallrequirementsofthespecification.Thestandardincludesthefollowingfourrangesofcables,thecompletenomenclatureofwhichisgiveninAppendixA:—.a.Pren.Cablewithacopperconductorandaninsulationofglassbraidandpolychioroprenecom-pound,forsinglecorecables:multi-corecableshaveanoverallfinishofglassbraidandlacquer:theconductoroftheUniflexprencableisofabraidedconstructionwhichshallnotbeonastringcentre.b.Prenal.SimilartothePrenrangebutwithaconductorofaluminiuminsteadofcopper.c.Prenmet.SimilartothePrenrangebutwiththeadditionofametalbraid.d.Prensheath.Multi-corePrencablessheathedwithapolychioroprenecompoundinplaceofthelacqueredglassbraid.
【中国标准分类号】:V40
【国际标准分类号】:49_060
【页数】:16P.;A4
【正文语种】:英语


基本信息
标准名称:机械电炉钢单位产量综合能I耗计算方法及限额
替代情况:替代DBl2/T 046.1-1994
发布日期:2008-01-21
实施日期:2008-03-01
首发日期:
作废日期:
主管部门:天津市质量技术监督局
出版社:中国标准出版社
出版日期:2008-03-01
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