发电机绝缘测量详细步骤

wen ti miao shu fa dian ji ce jue yuan bu zhou ji he ge biao zhun xi wang neng jie da xia jing xuan da an fa dian ji ce jue yuan shi wei le jian ce she bei de jue yuan shi fou ke kao ,yi xia shi fa dian ji ce jue yuan de bu zhou ji he ge biao zhun :bu zhou :" fa dian ji jue yuan ce liang yi ,ce liang fang fa ,1 ,xuan ze jue yuan dian zu ce shi yi ,an zhao D L T 5 9 6 , 1 9 9 6 dian li she bei yu fang xing shi yan gui cheng ,yi xia jian cheng yu gui gui ding ,e ding dian ya 1 000V yi shang zhe ,yong 2 5 00V "

zai jian xiu dian ji shi ,jing chang xu yao ce liang dian ji de jue yuan dian zu ,ben wen yi san xiang yi bu dian dong ji wei li ,xiang xi jie shao xia dian ji jue yuan dian zu ce liang de fang fa bu zhou 。dian ji jue yuan dian zu ce liang cao zuo liu cheng ru xia biao 1 suo " yi 、ce liang fa dian ji ding zi rao zu jue yuan 1 、ji lu huan jing wen du 2 、ji lu qing chun du ,bi xu zai fa dian ji chong qing hou qing chun du 9 6 % yi shang huo pai qing hou qie qing han liang zai 3 % yi xia shi jin xing ce liang ,yan jin zai zhi huan qing qi "

发电机绝缘测量一,测量方法,1,选择绝缘电阻测试仪,按照DLT596,1996电力设备预防性试验规程,以下简称预规规定,额定电压1000V以上者,用2500V在检修电机时,经常需要测量电机的绝缘电阻,本文以三相异步电动机为例,详细介绍下电机绝缘电阻测量的方法步骤。电机绝缘电阻测量操作流程如下表1所

问题描述发电机测绝缘步骤及合格标准希望能解答下精选答案发电机测绝缘是为了检测设备的绝缘是否可靠,以下是发电机测绝缘的步骤及合格标准:步骤:wei zheng que heng liang he dui bi fa dian ji jue yuan dian zu zhi , zai ce shi ji lu shang bi xu ji zai ce liang shi rao zu de wen du , bing tong yi huan suan cheng 7 5 ℃ shi de jue yuan dian zu zhi 。jue yuan dian zu zhi an xia lie jing yan gong shi jin xing huan suan : R 7 5 = R t / 2 ( 7 5 - t ) / 1 0R 7 5 = R t / K t shi zhong , R 7 5 wei wen du zai 7 5 ℃ shi de jue yuan dian zu ; R t wei rao zu wen du zai t ℃ shi suo ce de de jue yuan dian zu ; t wei ce ding shi rao zu de shi ji wen du ( ℃ ) ; K t wei rao zu wen du wei t ℃ shi de huan suan xi shu 。

一、测量发电机定子绕组绝缘1、记录环境温度2、记录氢纯度,必须在发电机充氢后氢纯度96%以上或排氢后且氢含量在3%以下时进行测量,严禁在置换氢气为正确衡量和对比发电机绝缘电阻值,在测试记录上必须记载测量时绕组的温度,并统一换算成75℃时的绝缘电阻值。绝缘电阻值按下列经验公式进行换算: R75=Rt/2(75-t)/10 R75=Rt/Kt 式中,R75为温度在75℃时的绝缘电阻;Rt为绕组温度在t℃时所测得的绝缘电阻;t为测定时绕组的实际温度(℃);Kt为绕组温度为t℃时的换算系数。

相关文章