变(Bian)压(Ya)器(Qi)直(Zhi)流(Liu)电(Dian)阻(Zu)测(Ce)试(Shi)仪(Yi)的(De)测(Ce)量(Liang)方(Fang)法(Fa)和(He)注(Zhu)意(Yi)事(Shi)项(Xiang)
发(Fa)布(Bu)时(Shi)间(Jian) : 2021-09-25 11:47:34
1、(?)变(Bian)压(Ya)器(Qi)直(Zhi)流(Liu)电(Dian)阻(Zu)测(Ce)试(Shi)仪(Yi)的(De)测(Ce)量(Liang)方(Fang)法(Fa)
测(Ce)量(Liang)直(Zhi)流(Liu)电(Dian)阻(Zu)是(Shi)变(Bian)压(Ya)器(Qi)试(Shi)验(Yan)中(Zhong)的(De)一(Yi)个(Ge)重(Zhong)要(Yao)项(Xiang)目(Mu)。(?)通(Tong)过(Guo)测(Ce)量(Liang),(?)可(Ke)以(Yi)检(Jian)查(Cha)出(Chu)设(She)备(Bei)的(De)导(Dao)电(Dian)回(Hui)路(Lu)有(You)无(Wu)接(Jie)触(Chu)不(Bu)良(Liang)、(?)焊(Han)接(Jie)不(Bu)良(Liang)、(?)线(Xian)圈(Quan)故(Gu)障(Zhang)及(Ji)接(Jie)线(Xian)错(Cuo)误(Wu)等(Deng)缺(Que)陷(Xian)。(?)在(Zai)中(Zhong)、(?)小(Xiao)型(Xing)变(Bian)压(Ya)器(Qi)的(De)实(Shi)际(Ji)测(Ce)量(Liang)中(Zhong),(?)大(Da)多(Duo)采(Cai)用(Yong)直(Zhi)流(Liu)电(Dian)桥(Qiao)法(Fa),(?)当(Dang)被(Bei)试(Shi)线(Xian)圈(Quan)的(De)电(Dian)阻(Zu)值(Zhi)在(Zai)1(?)欧(Ou)以(Yi)上(Shang)的(De)一(Yi)般(Ban)用(Yong)单(Dan)臂(Bi)电(Dian)桥(Qiao)测(Ce)量(Liang),(?)1(?)欧(Ou)以(Yi)下(Xia)的(De)则(Ze)用(Yong)双(Shuang)臂(Bi)电(Dian)桥(Qiao)测(Ce)量(Liang)。(?)在(Zai)使(Shi)用(Yong)双(Shuang)臂(Bi)电(Dian)桥(Qiao)接(Jie)线(Xian)时(Shi),(?)电(Dian)桥(Qiao)的(De)电(Dian)位(Wei)桩(Zhuang)头(Tou)要(Yao)靠(Kao)近(Jin)被(Bei)测(Ce)电(Dian)阻(Zu),(?)电(Dian)流(Liu)桩(Zhuang)头(Tou)要(Yao)接(Jie)在(Zai)电(Dian)位(Wei)桩(Zhuang)头(Tou)的(De)上(Shang)面(Mian)。(?)测(Ce)量(Liang)前(Qian),(?)应(Ying)先(Xian)估(Gu)计(Ji)被(Bei)测(Ce)线(Xian)圈(Quan)的(De)电(Dian)阻(Zu)值(Zhi),(?)将(Jiang)电(Dian)桥(Qiao)倍(Bei)率(Lu)选(Xuan)钮(Niu)置(Zhi)于(Yu)适(Shi)当(Dang)位(Wei)置(Zhi),(?)将(Jiang)非(Fei)被(Bei)测(Ce)线(Xian)圈(Quan)短(Duan)路(Lu)并(Bing)接(Jie)地(Di),(?)然(Ran)后(Hou)打(Da)开(Kai)电(Dian)源(Yuan)开(Kai)关(Guan)充(Chong)电(Dian),(?)待(Dai)充(Chong)足(Zu)电(Dian)后(Hou)按(An)下(Xia)检(Jian)流(Liu)计(Ji)开(Kai)关(Guan),(?)迅(Xun)速(Su)调(Diao)节(Jie)测(Ce)量(Liang)臂(Bi),(?)使(Shi)检(Jian)流(Liu)计(Ji)指(Zhi)针(Zhen)向(Xiang)检(Jian)流(Liu)计(Ji)刻(Ke)度(Du)中(Zhong)间(Jian)的(De)零(Ling)位(Wei)线(Xian)方(Fang)向(Xiang)移(Yi)动(Dong),(?)进(Jin)行(Xing)微(Wei)调(Diao),(?)待(Dai)指(Zhi)针(Zhen)平(Ping)稳(Wen)停(Ting)在(Zai)零(Ling)位(Wei)上(Shang)时(Shi)记(Ji)录(Lu)电(Dian)阻(Zu)值(Zhi),(?)此(Ci)时(Shi),(?)被(Bei)测(Ce)线(Xian)圈(Quan)电(Dian)阻(Zu)值(Zhi)=(?)倍(Bei)率(Lu)数(Shu)×测(Ce)量(Liang)臂(Bi)电(Dian)阻(Zu)值(Zhi)。(?)测(Ce)量(Liang)完(Wan)毕(Bi),(?)先(Xian)开(Kai)放(Fang)检(Jian)流(Liu)计(Ji)按(An)钮(Niu),(?)再(Zai)放(Fang)开(Kai)电(Dian)源(Yuan)开(Kai)关(Guan)
2、(?)变(Bian)压(Ya)器(Qi)直(Zhi)流(Liu)电(Dian)阻(Zu)测(Ce)试(Shi)仪(Yi)的(De)注(Zhu)意(Yi)事(Shi)项(Xiang)
在(Zai)测(Ce)量(Liang)过(Guo)程(Cheng)中(Zhong),(?)除(Chu)要(Yao)严(Yan)格(Ge)遵(Zun)守(Shou)电(Dian)气(Qi)安(An)全(Quan)规(Gui)程(Cheng)和(He)设(She)备(Bei)试(Shi)验(Yan)规(Gui)程(Cheng)外(Wai),(?)还(Huan)要(Yao)特(Te)别(Bie)注(Zhu)意(Yi):(?)
1(?))(?)在(Zai)线(Xian)圈(Quan)温(Wen)度(Du)稳(Wen)定(Ding)的(De)情(Qing)况(Kuang)下(Xia)进(Jin)行(Xing)测(Ce)量(Liang),(?)要(Yao)求(Qiu)变(Bian)压(Ya)器(Qi)油(You)箱(Xiang)上(Shang)、(?)下(Xia)部(Bu)的(De)温(Wen)度(Du)之(Zhi)差(Cha)不(Bu)超(Chao)过(Guo)3(?)℃(?);(?)
2)(?)由(You)于(Yu)变(Bian)压(Ya)器(Qi)线(Xian)圈(Quan)存(Cun)有(You)电(Dian)感(Gan),(?)测(Ce)量(Liang)时(Shi)的(De)充(Chong)电(Dian)电(Dian)流(Liu)不(Bu)太(Tai)稳(Wen)定(Ding),(?)一(Yi)定(Ding)要(Yao)在(Zai)电(Dian)流(Liu)稳(Wen)定(Ding)后(Hou)再(Zai)计(Ji)数(Shu),(?)必(Bi)要(Yao)时(Shi)需(Xu)采(Cai)取(Qu)缩(Suo)短(Duan)充(Chong)电(Dian)时(Shi)间(Jian)的(De)措(Cuo)施(Shi)
3)(?)尽(Jin)量(Liang)减(Jian)少(Shao)试(Shi)验(Yan)回(Hui)路(Lu)中(Zhong)的(De)导(Dao)线(Xian)接(Jie)触(Chu)电(Dian)阻(Zu),(?)运(Yun)行(Xing)中(Zhong)的(De)变(Bian)压(Ya)器(Qi)分(Fen)接(Jie)头(Tou)常(Chang)受(Shou)油(You)膜(Mo)等(Deng)污(Wu)物(Wu)的(De)影(Ying)响(Xiang)使(Shi)其(Qi)接(Jie)触(Chu)不(Bu)良(Liang),(?)一(Yi)般(Ban)需(Xu)切(Qie)换(Huan)数(Shu)次(Ci)后(Hou)再(Zai)测(Ce)量(Liang),(?)以(Yi)免(Mian)造(Zao)成(Cheng)判(Pan)别(Bie)错(Cuo)误(Wu)。(?)
4)(?)测(Ce)量(Liang)变(Bian)压(Ya)器(Qi)低(Di)压(Ya)侧(Ce)时(Shi),(?)所(Suo)有(You)人(Ren)员(Yuan)应(Ying)与(Yu)高(Gao)压(Ya)侧(Ce)保(Bao)持(Chi)适(Shi)当(Dang)安(An)全(Quan)距(Ju)离(Li)。(?)
5)(?)仪(Yi)器(Qi)在(Zai)运(Yun)输(Shu)、(?)储(Chu)存(Cun)及(Ji)工(Gong)作(Zuo)中(Zhong)应(Ying)避(Bi)免(Mian)强(Qiang)烈(Lie)震(Zhen)动(Dong)、(?)阳(Yang)光(Guang)直(Zhi)射(She)和(He)磁(Ci)场(Chang)的(De)影(Ying)响(Xiang),(?)存(Cun)放(Fang)保(Bao)管(Guan)仪(Yi)器(Qi)时(Shi),(?)应(Ying)注(Zhu)意(Yi)环(Huan)境(Jing)温(Wen)度(Du)和(He)湿(Shi)度(Du),(?)应(Ying)放(Fang)在(Zai)干(Gan)燥(Zao)、(?)通(Tong)风(Feng)、(?)无(Wu)腐(Fu)蚀(Shi)气(Qi)体(Ti)的(De)地(Di)方(Fang)为(Wei)宜(Yi),(?)不(Bu)得(De)受(Shou)潮(Chao)、(?)雨(Yu)淋(Lin)、(?)暴(Bao)晒(Shai),(?)使(Shi)用(Yong)时(Shi)轻(Qing)拿(Na)、(?)轻(Qing)放(Fang),(?)不(Bu)得(De)跌(Die)落(Luo)。(?)