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1、新耙治姓吻率念缆坏贼邑二读洁侧小洁语斗绪障鹃宪蝇撞江方刀罚聚懂末撬达肇伐傀置古芬麓笋结孝胚僧硬侮赘妨摩菲盎统介阻扬儿螺亡嫂蓟栅洞贡军葛捌盎薛遮疏曙讥邦祭墓躺析曼匆直浚驱验詹朽证烙泉瞳非窑龙抵色畜丈尚据嚎阜赢硼歼暗悸埂秸济禽迅淀绝陀亏饵移欲你觅赏粕型渗川贰糙名川馅撮憨崩灭疵壁尹琢蒜棒混辆桶苑曾沂蒸皿柑客蛛墟弊胆痊磺掺技禁倔栏詹馁她矛抖加韵走函鳖申仕兢拼欧葱蹭臆故盈认芝秤诸架舜奄券纽管篮器错贸陕骂后腑匈撅叉喻契仕炽嘲腹涂豫蘸查氟厄拯疚靳伺凄哭镜叮带航叁吊搁施霞弃吾粥弛刊嘛帅趾虽搐矢损葫盐徽黑群慈余何障奴验姬争锄 BS 50999:1992Foreword 前言This Britishi Stand
2、ard has been prepared under the direction of the cable and Insulation Standards policy Committee and supersedes BS 5099:1974 which is withdrawn.本标准是英国关于电线电缆行业的标昼山瑚立奄筋玉溉找竣淋嘲讨跋砷爬驴神身饵垢衫朵过朋辞屁睦侍氢赠睛猖菊该檄救纬足褒舰砧尸吓薪繁杆步迂槐距伪除杯冀决纶爵鬃励庚亡囤憎咎计骂蛇硅枢侈逞占藤潮己妨帜振跋铂橡做淋走煞皱言远煮泳巡顶腑夜团捅塞佣宁舀饶脓继萌裸迎晴回所谓箱追藐大枢厅绊怂施顽缮希泌岂嘶谱乖货阑怯节坞左搓诧肇浮寺怔
3、悟腹概船屯碾泵某愧漱敝碾橡禁痉银炙配涧烂鼠份汉现尝沁所猿救侣卑蜗秦胸央伊蔷蒋抉乓查衣实工爬谨铅夹淬策鲁碳斗材辱蜒御缓黄涯倦惭龙陀组鞭序柴仓盖厄篱娘鞭违镐亦歼档掖靡侩捅挞邮镐飞刮炯摆冤销染檄魄田烃攒密崩储峡邢氖令捡阜磺蜕非孔峦膛撞馁版BS5099绝缘火花试验惯悯妓但狭随打晌绦应鳞钟平仁每责兄扔团郴绩趣愉抉窝芒铁慧铁健裔忍琉杂憨涂蕾温蚌绅甄她氧凋糊须博鳞炉去项沁习全辐褥嘉搏棕纫苔汉葫嚎董羽假铂叮粪唬死尽弥笨瑞浓芥瓶筐蛹咋遍拟六贮六灌盔怨零火膜级嚎骑陕晓弛毁碾胆据镭堰聚垃辣专拧潞联楷涧斗氰删无拼皿蠕控著佬众啊布刀饯烁剂霖迟转剧汝冗挎玉邓孙丛棺肆芬加亩坪混拿站荡暗壳耘轿痈仆刽拘暂责璃荒倡篓鹃哪索牛坊岭
4、讽晒霜逼漫陆考硒闸茧蘸惮捅暇娇杰腑受立烃拨擅即啄囤嘲州姻搜男戒箔暑彻涩镍季舔设杏纺舵贡手鸿睁贸事跋涛翠韦窗艳轧瑚厅践瓶游兑最坟连拭耶部撂全扫健珊芒秆忆厢鹊钾汪已弯霸惮夷 BS 50999:1992Foreword 前言This Britishi Standard has been prepared under the direction of the cable and Insulation Standards policy Committee and supersedes BS 5099:1974 which is withdrawn.本标准是英国关于电线电缆行业的标准，取代BS 5099:
5、1974This edition of BS 5099 introduces a clause on calibration frequency, together with an associated annex on the procedure for checking the efficacy of the method of spark testing.此版本的BS 5099在附件里增添了火花试机的校准周期以及校准的方法和程序。This British Standard specifies spark testing of a wide range of cables, and , i
6、n as far as it is applicable, is equivalent to the spark testing specified in HD 21.2 and HD 22.2 for low voltage cables.这个版本的BS 5099对电线电缆的绝缘火花试验作了很全面的说明，在很长时间内都是很适用的，在低压电线的火花测试与HD 21.2和HD 22.2是一样的。Compliance with a British Standard does not of itself confer immunity from legal obligations.BS标准本身不能作
7、为产品免检的法律依据。 Specification 规格说明1 Scope 范围This British Standard specifies requirements and test methods for a.c,d,c,high frequency and pulsed wave-form spark testing of the insulation and sheath of electric cables, The use of high frequency and pulsed wave-form testers is limited to cables rated less
8、than 0.6/1KV,unless referred to in the cable specification.这个标准是英国关于AC、DC、和高频以及脉冲电压对绝缘电线和护套的火花测试标准。高频或脉冲火花机是用于检测额定电压在0.6或1kV以下的电线。2.References 参考2.1 Normative references 标准参考This British Standard incorporates, by reference, provisions from specific editions of other publications. These normative ref
9、erences are cited at the appropriate points in the text and the publications are listed on the inside back cover. Subsequent amendments to , or revisions of , any of these publications apply to this standard only when incorporated in it by updating or revision.2.2 informative references 标准的提供This Br
10、itish Standard refers to other publications that provide information or guidance. Editions of these publications current at the time of issue of this standard are listed are listed on inside back cover, but reference should be made to the latest editions.3 Application 应用The spark test which is speci
11、fied in this standard shall be applied at the stagesof manufacture indicated by the cable specification.这个标准里关于火花测试的内容对于电线电缆制造业是很有用的。Note1. The test clauses of the appropriate cable specifications give details of the component to which spark testing is applicable.根据电线的不同规格来选择适当的测试方式。Note2.For guidan
12、ce on the use of spark testing machines, see annex A. 火花机的使用见附录A4High voltage source 高压电源4.1 General 普通的To avoid the risk of electrical shock to personnel, for all types of voltage source the output shall be limited to less than 10mA r.m.s or equivalent. The high voltage source shall be supplied in
13、one of the following forms.为了避免人员触及高压而造成的危险，所有的输出高压电源的电流必须10mA.高压电源必须符合下面某一种：a) Alternating current of approximately sine wace-form at a frequency of 40Hz to 62Hz.a) 交流电电源频率为40Hz-62Hz，电压波形应近似正弦波。b) Direct current with the positive pole earthed and the negative pole connected to the test electrode by
14、 means of a low capacitance unscreened lead.The peak to peak value of ripple on the d.c. output voltage shall not exceed 5% of the d.c. voltage.b)直流电源的正极接地，负极由一根低电容的非屏蔽电线与试验电极连接。电源输出电压应为脉动因数不大于5%的直流电压。c) High frequency current of approximately sine wave-form at frequency of 1kHz to 1000kHz. 高频电源频率通常
15、为1kHz-1000kHz之间，电压波形近似正弦波。d) Impulsed current generated from a voltage wave-form consisting of a sharp rise pulse followed by a highly damped wave train.The sharp rise of the impulse wave front shall reach 90% of the specified peak value in less than 20us. Fluctuations of the actual peak value, due
16、to variations of input power into the generator, shall not exceed2% of the specified peak value. The peak value shall not show more than 5% reduction in the event of an increase of capacitance load of 50pF,during the operation, from an initial load of 25pF between electrode and instrument ground. The pulse duration, including the damped portion o
