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带(Dai)电(Dian)检(Jian)测(Ce)

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 (?) (?)带(Dai)电(Dian)检(Jian)测(Ce)是(Shi)在(Zai)电(Dian)力(Li)设(She)备(Bei)通(Tong)电(Dian)运(Yun)行(Xing)状(Zhuang)态(Tai)下(Xia)进(Jin)行(Xing)监(Jian)测(Ce)的(De)一(Yi)种(Zhong)高(Gao)新(Xin)技(Ji)术(Shu)。(?)利(Li)用(Yong)传(Chuan)感(Gan)技(Ji)术(Shu)和(He)微(Wei)电(Dian)子(Zi)技(Ji)术(Shu)对(Dui)运(Yun)行(Xing)中(Zhong)的(De)设(She)备(Bei)进(Jin)行(Xing)实(Shi)时(Shi)监(Jian)测(Ce),(?)获(Huo)取(Qu)设(She)备(Bei)运(Yun)行(Xing)状(Zhuang)态(Tai)的(De)各(Ge)种(Zhong)物(Wu)理(Li)量(Liang)数(Shu)据(Ju),(?)并(Bing)对(Dui)其(Qi)进(Jin)行(Xing)分(Fen)析(Xi)处(Chu)理(Li),(?)预(Yu)测(Ce)运(Yun)行(Xing)状(Zhuang)况(Kuang),(?)根(Gen)据(Ju)实(Shi)时(Shi)数(Shu)据(Ju)得(De)出(Chu)检(Jian)测(Ce)报(Bao)告(Gao)。(?)带(Dai)电(Dian)检(Jian)测(Ce)是(Shi)了(Liao)为(Wei)保(Bao)证(Zheng)电(Dian)力(Li)系(Xi)统(Tong)的(De)运(Yun)行(Xing),(?)对(Dui)系(Xi)统(Tong)的(De)重(Zhong)要(Yao)设(She)备(Bei)的(De)运(Yun)行(Xing)状(Zhuang)态(Tai)进(Jin)行(Xing)的(De)监(Jian)视(Shi)与(Yu)检(Jian)测(Ce),(?)及(Ji)时(Shi)发(Fa)现(Xian)设(She)备(Bei)的(De)各(Ge)种(Zhong)劣(Lie)化(Hua)过(Guo)程(Cheng)的(De)发(Fa)展(Zhan),(?)以(Yi)求(Qiu)在(Zai)可(Ke)能(Neng)出(Chu)现(Xian)故(Gu)障(Zhang)或(Huo)性(Xing)能(Neng)下(Xia)降(Jiang)到(Dao)影(Ying)响(Xiang)正(Zheng)常(Chang)工(Gong)作(Zuo)之(Zhi)前(Qian),(?)及(Ji)时(Shi)维(Wei)修(Xiu)、(?)更(Geng)换(Huan),(?)避(Bi)免(Mian)发(Fa)生(Sheng)事(Shi)故(Gu)。(?)

 (?)开(Kai)关(Guan)柜(Gui)带(Dai)电(Dian)检(Jian)测(Ce)技(Ji)术(Shu)简(Jian)介(Jie)

 (?) (?)10kV开(Kai)关(Guan)柜(Gui)是(Shi)电(Dian)网(Wang)的(De)重(Zhong)要(Yao)组(Zu)成(Cheng)部(Bu)分(Fen),(?)其(Qi)运(Yun)行(Xing)的(De)稳(Wen)定(Ding)性(Xing)直(Zhi)接(Jie)影(Ying)响(Xiang)到(Dao)电(Dian)网(Wang)运(Yun)行(Xing)。(?)然(Ran)而(?),(?)传(Chuan)统(Tong)的(De)定(Ding)期(Qi)预(Yu)试(Shi)性(Xing)试(Shi)验(Yan)技(Ji)术(Shu)暴(Bao)露(Lu)出(Chu)来(Lai)的(De)问(Wen)题(Ti)无(Wu)法(Fa)满(Man)足(Zu)当(Dang)前(Qian)的(De)需(Xu)要(Yao),(?)因(Yin)此(Ci),(?)采(Cai)取(Qu)适(Shi)当(Dang)的(De)方(Fang)法(Fa)进(Jin)行(Xing)监(Jian)测(Ce)是(Shi)很(Hen)有(You)必(Bi)要(Yao)的(De)。(?)而(?)根(Gen)据(Ju)实(Shi)际(Ji)运(Yun)行(Xing)经(Jing)验(Yan)发(Fa)生(Sheng)故(Gu)障(Zhang)前(Qian)在(Zai)事(Shi)故(Gu)潜(Qian)伏(Fu)期(Qi)内(Nei)应(Ying)该(Gai)都(Du)可(Ke)能(Neng)有(You)放(Fang)电(Dian)现(Xian)象(Xiang)产(Chan)生(Sheng),(?)局(Ju)部(Bu)放(Fang)电(Dian)是(Shi)导(Dao)致(Zhi)10kV开(Kai)关(Guan)柜(Gui)设(She)备(Bei)绝(Jue)缘(Yuan)劣(Lie)化(Hua)发(Fa)生(Sheng)绝(Jue)缘(Yuan)故(Gu)障(Zhang)的(De)主(Zhu)要(Yao)原(Yuan)因(Yin),(?)其(Qi)检(Jian)测(Ce)和(He)评(Ping)价(Jia)已(Yi)经(Jing)成(Cheng)为(Wei)绝(Jue)缘(Yuan)状(Zhuang)况(Kuang)监(Jian)测(Ce)的(De)重(Zhong)要(Yao)手(Shou)段(Duan)。(?)为(Wei)了(Liao)能(Neng)将(Jiang)局(Ju)放(Fang)测(Ce)试(Shi)实(Shi)现(Xian)带(Dai)电(Dian)测(Ce)试(Shi),(?)近(Jin)年(Nian)来(Lai)发(Fa)现(Xian)了(Liao)通(Tong)过(Guo)在(Zai)线(Xian)测(Ce)量(Liang)开(Kai)关(Guan)柜(Gui)内(Nei)因(Yin)局(Ju)部(Bu)放(Fang)电(Dian)致(Zhi)使(Shi)其(Qi)金(Jin)属(Shu)壳(Ke)体(Ti)上(Shang)产(Chan)生(Sheng)的(De)瞬(Shun)·(?)间(Jian)对(Dui)地(Di)电(Dian)压(Ya)(Transient Earth Voltages,(?)以(Yi)下(Xia)简(Jian)称(Cheng)TEV),(?)检(Jian)测(Ce)判(Pan)断(Duan)设(She)备(Bei)内(Nei)部(Bu)是(Shi)否(Fou)存(Cun)在(Zai)绝(Jue)缘(Yuan)故(Gu)障(Zhang),(?)即(Ji)TEV检(Jian)测(Ce)法(Fa)。(?)具(Ju)有(You)以(Yi)下(Xia)优(You)点(Dian):(?)可(Ke)以(Yi)带(Dai)电(Dian)监(Jian)测(Ce)、(?)灵(Ling)敏(Min)度(Du)高(Gao)、(?)抗(Kang)干(Gan)扰(Rao)能(Neng)力(Li)强(Qiang),(?)能(Neng)进(Jin)行(Xing)有(You)效(Xiao)的(De)故(Gu)障(Zhang)定(Ding)位(Wei),(?)可(Ke)以(Yi)获(Huo)得(De)定(Ding)量(Liang)数(Shu)据(Ju)对(Dui)内(Nei)部(Bu)放(Fang)电(Dian)监(Jian)测(Ce)灵(Ling)敏(Min)度(Du)。(?)

 (?) (?)1  超(Chao)声(Sheng)波(Bo)和(He)TEV基(Ji)本(Ben)原(Yuan)理(Li)

 (?) (?)局(Ju)部(Bu)放(Fang)电(Dian)是(Shi)指(Zhi)发(Fa)生(Sheng)在(Zai)电(Dian)极(Ji)之(Zhi)间(Jian)但(Dan)并(Bing)未(Wei)贯(Guan)穿(Chuan)电(Dian)极(Ji)的(De)放(Fang)电(Dian),(?)这(Zhe)些(Xie)微(Wei)弱(Ruo)的(De)放(Fang)电(Dian)产(Chan)生(Sheng)累(Lei)积(Ji)效(Xiao)应(Ying)会(Hui)使(Shi)绝(Jue)缘(Yuan)的(De)介(Jie)电(Dian)性(Xing)能(Neng)逐(Zhu)渐(Jian)劣(Lie)化(Hua),(?)导(Dao)致(Zhi)整(Zheng)个(Ge)绝(Jue)缘(Yuan)击(Ji)穿(Chuan)。(?)局(Ju)部(Bu)放(Fang)电(Dian)主(Zhu)要(Yao)分(Fen)为(Wei)绝(Jue)缘(Yuan)材(Cai)料(Liao)内(Nei)部(Bu)放(Fang)电(Dian)、(?)表(Biao)面(Mian)放(Fang)电(Dian)、(?)导(Dao)体(Ti)尖(Jian)·(?)端(Duan)放(Fang)电(Dian)等(Deng),(?)并(Bing)以(Yi)电(Dian)磁(Ci)声(Sheng)波(Bo)、(?)气(Qi)体(Ti)形(Xing)式(Shi)等(Deng)释(Shi)放(Fang)能(Neng)·(?)量(Liang)。(?)

 (?) (?)1.1  超(Chao)声(Sheng)波(Bo)检(Jian)测(Ce)原(Yuan)理(Li)

 (?) (?)当(Dang)高(Gao)压(Ya)电(Dian)气(Qi)设(She)备(Bei)内(Nei)部(Bu)存(Cun)在(Zai)局(Ju)部(Bu)放(Fang)电(Dian),(?)在(Zai)放(Fang)电(Dian)过(Guo)程(Cheng)中(Zhong),(?)随(Sui)着(Zhuo)放(Fang)电(Dian)的(De)发(Fa)生(Sheng),(?)伴(Ban)随(Sui)着(Zhuo)爆(Bao)裂(Lie)状(Zhuang)的(De)声(Sheng)发(Fa)射(She),(?)产(Chan)生(Sheng)超(Chao)声(Sheng)波(Bo),(?)且(Qie)很(Hen)快(Kuai)向(Xiang)四(Si)周(Zhou)介(Jie)质(Zhi)传(Chuan)播(Bo)。(?)伴(Ban)随(Sui)有(You)声(Sheng)波(Bo)能(Neng)·(?)量(Liang)的(De)放(Fang)出(Chu),(?)超(Chao)声(Sheng)波(Bo)信(Xin)号(Hao)以(Yi)某(Mou)一(Yi)速(Su)度(Du)通(Tong)过(Guo)不(Bu)同(Tong)介(Jie)质(Zhi)(隔(Ge)板(Ban)、(?)油(You)、(?)SF6气(Qi)体(Ti)等(Deng))以(Yi)球(Qiu)面(Mian)波(Bo)的(De)形(Xing)式(Shi)向(Xiang)四(Si)周(Zhou)传(Chuan)播(Bo)。(?)但(Dan)由(You)于(Yu)超(Chao)声(Sheng)波(Bo)频(Pin)率(Lu)高(Gao)其(Qi)波(Bo)长(Chang)较(Jiao)短(Duan),(?)因(Yin)此(Ci)它(Ta)的(De)方(Fang)向(Xiang)性(Xing)较(Jiao)强(Qiang),(?)从(Cong)而(?)它(Ta)的(De)能(Neng)·(?)量(Liang)较(Jiao)为(Wei)集(Ji)中(Zhong),(?)容(Rong)易(Yi)进(Jin)行(Xing)定(Ding)位(Wei)。(?)超(Chao)声(Sheng)波(Bo)检(Jian)测(Ce)主(Zhu)要(Yao)采(Cai)用(Yong)20 kHz以(Yi)上(Shang)频(Pin)率(Lu),(?)可(Ke)不(Bu)受(Shou)外(Wai)部(Bu)噪(Zao)声(Sheng)的(De)干(Gan)扰(Rao)。(?)通(Tong)常(Chang)认(Ren)为(Wei),(?)当(Dang)在(Zai)被(Bei)测(Ce)设(She)备(Bei)外(Wai)壳(Ke)的(De)接(Jie)缝(Feng)处(Chu)进(Jin)行(Xing)测(Ce)量(Liang)时(Shi),(?)由(You)于(Yu)探(Tan)头(Tou)完(Wan)全(Quan)置(Zhi)于(Yu)设(She)备(Bei)体(Ti)外(Wai),(?)放(Fang)电(Dian)信(Xin)号(Hao)通(Tong)过(Guo)绝(Jue)缘(Yuan)介(Jie)质(Zhi)衰(Shuai)减(Jian)很(Hen)严(Yan)重(Zhong),(?)灵(Ling)敏(Min)度(Du)较(Jiao)差(Cha)、(?)定(Ding)量(Liang)分(Fen)析(Xi)比(Bi)较(Jiao)困(Kun)难(Nan),(?)对(Dui)局(Ju)放(Fang)初(Chu)测(Ce)及(Ji)比(Bi)较(Jiao)严(Yan)重(Zhong)的(De)空(Kong)气(Qi)中(Zhong)的(De)放(Fang)电(Dian)才(Cai)比(Bi)较(Jiao)有(You)效(Xiao),(?)超(Chao)声(Sheng)波(Bo)测(Ce)量(Liang)放(Fang)电(Dian)工(Gong)作(Zuo)原(Yuan)理(Li)图(Tu)1所(Suo)示(Shi)


图(Tu)1超(Chao)声(Sheng)测(Ce)试(Shi)工(Gong)作(Zuo)原(Yuan)理(Li)图(Tu)
 

 (?) (?)1.2  TEV检(Jian)测(Ce)原(Yuan)理(Li)

 (?) (?)根(Gen)据(Ju)麦(Mai)克(Ke)斯(Si)韦(Wei)电(Dian)磁(Ci)场(Chang)理(Li)论(Lun),(?)局(Ju)部(Bu)放(Fang)电(Dian)现(Xian)象(Xiang)的(De)发(Fa)生(Sheng)产(Chan)生(Sheng)出(Chu)变(Bian)化(Hua)的(De)电(Dian)场(Chang),(?)变(Bian)化(Hua)的(De)电(Dian)场(Chang)激(Ji)起(Qi)磁(Ci)场(Chang),(?)而(?)变(Bian)化(Hua)的(De)磁(Ci)场(Chang)又(You)会(Hui)感(Gan)应(Ying)出(Chu)电(Dian)场(Chang),(?)这(Zhe)样(Yang),(?)交(Jiao)变(Bian)的(De)电(Dian)场(Chang)与(Yu)磁(Ci)场(Chang)相(Xiang)互(Hu)激(Ji)·(?)发(Fa)并(Bing)向(Xiang)外(Wai)传(Chuan)播(Bo),(?)形(Xing)成(Cheng)了(Liao)电(Dian)磁(Ci)波(Bo)。(?)通(Tong)过(Guo)放(Fang)电(Dian)产(Chan)生(Sheng)的(De)电(Dian)磁(Ci)波(Bo)通(Tong)过(Guo)金(Jin)属(Shu)箱(Xiang)体(Ti)的(De)接(Jie)缝(Feng)处(Chu)或(Huo)气(Qi)体(Ti)绝(Jue)缘(Yuan)开(Kai)关(Guan)的(De)衬(Chen)垫(Dian)传(Chuan)播(Bo)出(Chu)去(Qu),(?)同(Tong)时(Shi)产(Chan)生(Sheng)一(Yi)个(Ge)暂(Zan)态(Tai)电(Dian)压(Ya),(?)通(Tong)过(Guo)设(She)备(Bei)的(De)金(Jin)属(Shu)箱(Xiang)体(Ti)外(Wai)表(Biao)面(Mian)而(?)传(Chuan)到(Dao)地(Di)下(Xia)去(Qu)。(?)这(Zhe)些(Xie)电(Dian)压(Ya)脉(Mai)冲(Chong)是(Shi)于(Yu)1974年(Nian)由(You)Dr John Reeves首(Shou)先(Xian)发(Fa)现(Xian),并(Bing)把(Ba)它(Ta)命(Ming)名(Ming)为(Wei)暂(Zan)态(Tai)对(Dui)地(Di)电(Dian)压(Ya)(TEV)。(?)TEV在(Zai)设(She)备(Bei)内(Nei)部(Bu)产(Chan)生(Sheng)传(Chuan)播(Bo)如(Ru)图(Tu)2所(Suo)示(Shi)。(?)

图(Tu)2 TEV产(Chan)生(Sheng)示(Shi)意(Yi)图(Tu)
 

 (?) (?)当(Dang)开(Kai)关(Guan)柜(Gui)的(De)内(Nei)部(Bu)元(Yuan)件(Jian)对(Dui)地(Di)绝(Jue)缘(Yuan)发(Fa)生(Sheng)局(Ju)部(Bu)放(Fang)电(Dian)时(Shi),(?)小(Xiao)部(Bu)分(Fen)放(Fang)电(Dian)能(Neng)·(?)量(Liang)会(Hui)以(Yi)电(Dian)磁(Ci)波(Bo)的(De)形(Xing)式(Shi)转(Zhuan)移(Yi)到(Dao)柜(Gui)体(Ti)的(De)金(Jin)属(Shu)铠(Kai)装(Zhuang)上(Shang),(?)并(Bing)产(Chan)生(Sheng)持(Chi)续(Xu)约(Yue)几(Ji)十(Shi)纳(Na)秒(Miao)的(De)暂(Zan)态(Tai)脉(Mai)冲(Chong)电(Dian)压(Ya),(?)在(Zai)柜(Gui)体(Ti)表(Biao)面(Mian)按(An)照(Zhao)传(Chuan)输(Shu)线(Xian)效(Xiao)应(Ying)进(Jin)行(Xing)传(Chuan)播(Bo)。(?)地(Di)电(Dian)波(Bo)局(Ju)放(Fang)检(Jian)测(Ce)技(Ji)术(Shu)采(Cai)用(Yong)容(Rong)性(Xing)传(Chuan)感(Gan)器(Qi)探(Tan)头(Tou)检(Jian)测(Ce)柜(Gui)体(Ti)表(Biao)面(Mian)的(De)暂(Zan)态(Tai)脉(Mai)冲(Chong)电(Dian)压(Ya),(?)从(Cong)而(?)发(Fa)现(Xian)和(He)定(Ding)位(Wei)开(Kai)关(Guan)柜(Gui)内(Nei)部(Bu)的(De)局(Ju)部(Bu)放(Fang)电(Dian)缺(Que)陷(Xian)。(?)

 (?) (?)2  超(Chao)声(Sheng)波(Bo)、(?)TEV测(Ce)量(Liang)法(Fa)在(Zai)电(Dian)力(Li)系(Xi)统(Tong)中(Zhong)的(De)应(Ying)用(Yong)

 (?) (?)针(Zhen)对(Dui)大(Da)量(Liang)的(De)开(Kai)关(Guan)柜(Gui)设(She)备(Bei),(?)为(Wei)提(Ti)高(Gao)工(Gong)作(Zuo)效(Xiao)率(Lu),(?)减(Jian)少(Shao)工(Gong)作(Zuo)量(Liang),(?)测(Ce)试(Shi)过(Guo)程(Cheng)可(Ke)按(An)如(Ru)下(Xia)3个(Ge)步(Bu)骤(Zhou):(?)

 (?) (?)1) 先(Xian)行(Xing)使(Shi)用(Yong)便(Bian)捷(Jie)式(Shi)局(Ju)放(Fang)测(Ce)试(Shi)仪(Yi)对(Dui)设(She)备(Bei)进(Jin)行(Xing)普(Pu)测(Ce)(普(Pu)测(Ce)周(Zhou)期(Qi)为(Wei)3个(Ge)月(Yue)一(Yi)次(Ci)),(?)通(Tong)过(Guo)普(Pu)测(Ce)逐(Zhu)步(Bu)建(Jian)立(Li)起(Qi)设(She)备(Bei)状(Zhuang)态(Tai)库(Ku),(?)将(Jiang)正(Zheng)常(Chang)合(He)格(Ge)设(She)备(Bei)与(Yu)异(Yi)常(Chang)数(Shu)据(Ju)设(She)备(Bei)分(Fen)列(Lie)建(Jian)立(Li)状(Zhuang)态(Tai)库(Ku)。(?)

 (?) (?)2) 针(Zhen)对(Dui)有(You)问(Wen)题(Ti)或(Huo)异(Yi)常(Chang)数(Shu)据(Ju)库(Ku)设(She)备(Bei)开(Kai)展(Zhan)复(Fu)测(Ce)(普(Pu)测(Ce)后(Hou)7~10天(Tian)内(Nei)),(?)建(Jian)立(Li)复(Fu)测(Ce)档(Dang)案(An),(?)同(Tong)时(Shi)对(Dui)于(Yu)测(Ce)试(Shi)数(Shu)据(Ju)严(Yan)重(Zhong)超(Chao)标(Biao)设(She)备(Bei)采(Cai)用(Yong)便(Bian)捷(Jie)式(Shi)局(Ju)部(Bu)放(Fang)电(Dian)定(Ding)位(Wei)仪(Yi)进(Jin)行(Xing)故(Gu)障(Zhang)定(Ding)位(Wei)测(Ce)试(Shi)。(?)

 (?) (?)3) 结(Jie)合(He)停(Ting)电(Dian)计(Ji)划(Hua)和(He)安(An)排(Pai)专(Zhuan)人(Ren)对(Dui)缺(Que)陷(Xian)设(She)备(Bei)进(Jin)行(Xing)检(Jian)查(Cha)和(He)处(Chu)理(Li),(?)对(Dui)处(Chu)理(Li)的(De)设(She)备(Bei)记(Ji)录(Lu)处(Chu)理(Li)结(Jie)果(Guo)和(He)原(Yuan)因(Yin)分(Fen)析(Xi),(?)在(Zai)设(She)备(Bei)处(Chu)理(Li)完(Wan)毕(Bi)后(Hou)及(Ji)时(Shi)开(Kai)展(Zhan)局(Ju)放(Fang)测(Ce)试(Shi)对(Dui)比(Bi)处(Chu)理(Li)效(Xiao)果(Guo),(?)如(Ru)正(Zheng)常(Chang)更(Geng)新(Xin)状(Zhuang)态(Tai)库(Ku)。(?)

 (?) (?)2.1  测(Ce)试(Shi)过(Guo)程(Cheng)和(He)测(Ce)试(Shi)点(Dian)选(Xuan)取(Qu)

 (?) (?)测(Ce)试(Shi)过(Guo)程(Cheng)中(Zhong)需(Xu)要(Yao)严(Yan)格(Ge)遵(Zun)照(Zhao)仪(Yi)器(Qi)说(Shuo)明(Ming)要(Yao)求(Qiu),(?)做(Zuo)好(Hao)各(Ge)项(Xiang)防(Fang)护(Hu),(?)同(Tong)时(Shi)也(Ye)总(Zong)结(Jie)出(Chu)以(Yi)下(Xia)的(De)测(Ce)试(Shi)过(Guo)程(Cheng);

 (?) (?)1) 测(Ce)试(Shi)前(Qian)先(Xian)进(Jin)行(Xing)背(Bei)景(Jing)值(Zhi)测(Ce)试(Shi),(?)记(Ji)录(Lu)空(Kong)气(Qi)和(He)金(Jin)属(Shu)制(Zhi)品(Pin)背(Bei)景(Jing)声(Sheng)。(?)由(You)于(Yu)开(Kai)关(Guan)柜(Gui)外(Wai)部(Bu)的(De)电(Dian)磁(Ci)信(Xin)号(Hao)一(Yi)样(Yang)可(Ke)以(Yi)在(Zai)开(Kai)关(Guan)柜(Gui)上(Shang)产(Chan)生(Sheng)暂(Zan)态(Tai)对(Dui)地(Di)电(Dian)压(Ya)(TEV),(?)这(Zhe)些(Xie)信(Xin)号(Hao)源(Yuan)同(Tong)样(Yang)可(Ke)以(Yi)在(Zai)变(Bian)电(Dian)站(Zhan)内(Nei)的(De)金(Jin)属(Shu)物(Wu)品(Pin)上(Shang)产(Chan)生(Sheng)暂(Zan)态(Tai)对(Dui)地(Di)电(Dian)压(Ya),(?)如(Ru)金(Jin)属(Shu)门(Men)或(Huo)侧(Ce)栏(Lan)处(Chu),(?)测(Ce)试(Shi)金(Jin)属(Shu)面(Mian)板(Ban)上(Shang)的(De)背(Bei)景(Jing)值(Zhi)时(Shi)并(Bing)不(Bu)是(Shi)在(Zai)开(Kai)关(Guan)设(She)备(Bei)上(Shang)检(Jian)测(Ce),(?)应(Ying)该(Gai)在(Zai)金(Jin)属(Shu)门(Men)等(Deng)金(Jin)属(Shu)制(Zhi)品(Pin)上(Shang)检(Jian)测(Ce),(?)在(Zai)开(Kai)关(Guan)室(Shi)不(Bu)同(Tong)的(De)位(Wei)置(Zhi)检(Jian)测(Ce)3个(Ge)点(Dian)的(De)值(Zhi),(?)并(Bing)取(Qu)中(Zhong)间(Jian)值(Zhi)作(Zuo)为(Wei)背(Bei)景(Jing)信(Xin)号(Hao)的(De)参(Can)考(Kao)值(Zhi)。(?)

 (?) (?)2) 将(Jiang)TEV测(Ce)试(Shi)仪(Yi)器(Qi)探(Tan)头(Tou)贴(Tie)紧(Jin)开(Kai)关(Guan)柜(Gui)进(Jin)行(Xing)测(Ce)试(Shi)。(?)实(Shi)际(Ji)过(Guo)程(Cheng)中(Zhong)需(Xu)要(Yao)灵(Ling)活(Huo)的(De)变(Bian)换(Huan)采(Cai)用(Yong)TEV的(De)两(Liang)种(Zhong)测(Ce)试(Shi)模(Mo)式(Shi):(?)单(Dan)个(Ge)模(Mo)式(Shi)和(He)连(Lian)续(Xu)模(Mo)式(Shi),(?)如(Ru)遇(Yu)到(Dao)测(Ce)试(Shi)数(Shu)据(Ju)跳(Tiao)跃(Yue)比(Bi)较(Jiao)大(Da)的(De)时(Shi)候(Hou)可(Ke)以(Yi)两(Liang)种(Zhong)模(Mo)式(Shi)切(Qie)换(Huan)测(Ce)试(Shi),(?)选(Xuan)取(Qu)其(Qi)中(Zhong)读(Du)数(Shu)稳(Wen)定(Ding)做(Zuo)为(Wei)测(Ce)试(Shi)数(Shu)据(Ju);在(Zai)连(Lian)续(Xu)模(Mo)式(Shi)下(Xia)一(Yi)定(Ding)要(Yao)记(Ji)录(Lu)下(Xia)对(Dui)应(Ying)的(De)脉(Mai)冲(Chong)数(Shu)作(Zuo)为(Wei)后(Hou)续(Xu)的(De)辅(Fu)·(?)助(Zhu)判(Pan)断(Duan);在(Zai)连(Lian)续(Xu)模(Mo)式(Shi)下(Xia)时(Shi)候(Hou)可(Ke)能(Neng)有(You)时(Shi)会(Hui)有(You)数(Shu)据(Ju)连(Lian)续(Xu)跳(Tiao)动(Dong)比(Bi)较(Jiao)的(De)情(Qing)况(Kuang),(?)需(Xu)要(Yao)贴(Tie)紧(Jin)测(Ce)试(Shi)的(De)开(Kai)关(Guan)柜(Gui)面(Mian)板(Ban),(?)同(Tong)时(Shi)仔(Zi)细(Xi)观(Guan)察(Cha)数(Shu)据(Ju)选(Xuan)择(Ze)记(Ji)录(Lu)相(Xiang)对(Dui)稳(Wen)定(Ding)和(He)幅(Fu)度(Du)大(Da)的(De)为(Wei)测(Ce)试(Shi)数(Shu)据(Ju)。(?)

 (?) (?)3) 测(Ce)试(Shi)过(Guo)程(Cheng)中(Zhong)需(Xu)要(Yao)注(Zhu)意(Yi)对(Dui)干(Gan)扰(Rao)噪(Zao)声(Sheng)的(De)排(Pai)除(Chu)避(Bi)免(Mian)将(Jiang)手(Shou)机(Ji)靠(Kao)得(De)过(Guo)近(Jin)产(Chan)生(Sheng)干(Gan)扰(Rao);测(Ce)试(Shi)过(Guo)程(Cheng)中(Zhong)注(Zhu)意(Yi)荧(Ying)光(Guang)灯(Deng)及(Ji)风(Feng)机(Ji)扇(Shan)的(De)影(Ying)响(Xiang),(?)可(Ke)以(Yi)先(Xian)关(Guan)闭(Bi)后(Hou)进(Jin)行(Xing)测(Ce)试(Shi),(?)所(Suo)得(De)数(Shu)据(Ju)一(Yi)般(Ban)要(Yao)低(Di)几(Ji)dB;同(Tong)时(Shi)要(Yao)注(Zhu)意(Yi)配(Pei)电(Dian)房(Fang)周(Zhou)边(Bian)环(Huan)境(Jing)影(Ying)响(Xiang),(?)在(Zai)实(Shi)测(Ce)过(Guo)程(Cheng)中(Zhong)发(Fa)现(Xian)部(Bu)分(Fen)测(Ce)试(Shi)地(Di)点(Dian)的(De)微(Wei)波(Bo)发(Fa)射(She)塔(Ta)对(Dui)测(Ce)试(Shi)数(Shu)据(Ju)有(You)较(Jiao)大(Da)影(Ying)响(Xiang),(?)通(Tong)过(Guo)多(Duo)次(Ci)测(Ce)试(Shi)对(Dui)比(Bi)排(Pai)除(Chu)的(De)干(Gan)扰(Rao)因(Yin)数(Shu)后(Hou)测(Ce)试(Shi)结(Jie)果(Guo)属(Shu)正(Zheng)常(Chang)范(Fan)围(Wei);干(Gan)扰(Rao)过(Guo)大(Da)时(Shi)候(Hou)可(Ke)以(Yi)在(Zai)连(Lian)续(Xu)模(Mo)式(Shi)的(De)所(Suo)得(De)脉(Mai)冲(Chong)数(Shu)明(Ming)显(Xian)看(Kan)出(Chu),(?)此(Ci)时(Shi)脉(Mai)冲(Chong)数(Shu)一(Yi)般(Ban)会(Hui)达(Da)到(Dao)几(Ji)千(Qian)乃(Nai)至(Zhi)上(Shang)万(Wan)。(?)

 (?) (?)4) 采(Cai)用(Yong)超(Chao)声(Sheng)波(Bo)模(Mo)式(Shi)时(Shi)一(Yi)定(Ding)要(Yao)测(Ce)试(Shi)背(Bei)景(Jing)读(Du)数(Shu),(?)刚(Gang)开(Kai)始(Shi)测(Ce)试(Shi)时(Shi)调(Diao)整(Zheng)增(Zeng)益(Yi)到(Dao)大(Da),(?)如(Ru)果(Guo)读(Du)数(Shu)大(Da)大(Da)时(Shi)适(Shi)当(Dang)的(De)减(Jian)少(Shao)增(Zeng)益(Yi);将(Jiang)传(Chuan)感(Gan)器(Qi)对(Dui)准(Zhun)开(Kai)关(Guan)设(She)备(Bei)的(De)空(Kong)气(Qi)通(Tong)道(Dao)处(Chu)进(Jin)行(Xing)测(Ce)试(Shi),(?)如(Ru)断(Duan)路(Lu)器(Qi)电(Dian)缆(Lan)盒(He)、(?)母(Mu)线(Xian)柜(Gui)等(Deng)设(She)备(Bei),(?)在(Zai)测(Ce)量(Liang)的(De)时(Shi)候(Hou)一(Yi)定(Ding)要(Yao)注(Zhu)意(Yi)保(Bao)持(Chi)足(Zu)够(Gou)的(De)距(Ju)离(Li);超(Chao)声(Sheng)波(Bo)传(Chuan)感(Gan)器(Qi)沿(Yan)着(Zhuo)开(Kai)关(Guan)柜(Gui)上(Shang)的(De)缝(Feng)隙(Xi)扫(Sao)描(Miao)进(Jin)行(Xing)检(Jian)测(Ce),(?)传(Chuan)感(Gan)器(Qi)与(Yu)开(Kai)关(Guan)设(She)备(Bei)间(Jian)一(Yi)定(Ding)要(Yao)有(You)空(Kong)气(Qi)通(Tong)道(Dao),(?)用(Yong)来(Lai)保(Bao)证(Zheng)超(Chao)声(Sheng)波(Bo)信(Xin)号(Hao)可(Ke)以(Yi)传(Chuan)出(Chu)来(Lai)。(?)

 (?) (?)测(Ce)试(Shi)中(Zhong)对(Dui)开(Kai)关(Guan)柜(Gui)测(Ce)试(Shi)点(Dian)的(De)选(Xuan)取(Qu):(?)测(Ce)试(Shi)过(Guo)程(Cheng)中(Zhong)应(Ying)确(Que)定(Ding)各(Ge)电(Dian)力(Li)设(She)备(Bei)所(Suo)处(Chu)位(Wei)置(Zhi),(?)主(Zhu)要(Yao)检(Jian)测(Ce)母(Mu)排(Pai)(连(Lian)接(Jie)处(Chu)、(?)穿(Chuan)墙(Qiang)套(Tao)管(Guan)。(?)支(Zhi)撑(Cheng)绝(Jue)缘(Yuan)部(Bu)件(Jian))、(?)断(Duan)路(Lu)器(Qi)、(?)CT、(?)PT、(?)电(Dian)缆(Lan)接(Jie)头(Tou)等(Deng)设(She)备(Bei)的(De)局(Ju)部(Bu)放(Fang)电(Dian)情(Qing)况(Kuang),(?)如(Ru)有(You)条(Tiao)件(Jian),(?)还(Huan)应(Ying)对(Dui)开(Kai)关(Guan)室(Shi)内(Nei)母(Mu)线(Xian)桥(Qiao)架(Jia)进(Jin)行(Xing)检(Jian)测(Ce)。(?)传(Chuan)感(Gan)器(Qi)应(Ying)尽(Jin)量(Liang)靠(Kao)近(Jin)观(Guan)察(Cha)窗(Chuang)、(?)通(Tong)风(Feng)口(Kou)等(Deng)局(Ju)放(Fang)信(Xin)号(Hao)容(Rong)易(Yi)泄(Xie)漏(Lou)部(Bu)位(Wei)的(De)金(Jin)属(Shu)面(Mian)板(Ban)上(Shang),(?)实(Shi)际(Ji)测(Ce)试(Shi)过(Guo)程(Cheng)中(Zhong)一(Yi)般(Ban)选(Xuan)取(Qu)前(Qian)面(Mian)面(Mian)板(Ban)上(Shang)、(?)中(Zhong)、(?)下(Xia)部(Bu),(?)后(Hou)面(Mian)板(Ban)的(De)上(Shang)、(?)中(Zhong)、(?)下(Xia)部(Bu)位(Wei),(?)侧(Ce)面(Mian)板(Ban)能(Neng)测(Ce)试(Shi)时(Shi)也(Ye)要(Yao)测(Ce)试(Shi)。(?)如(Ru)果(Guo)出(Chu)现(Xian)检(Jian)测(Ce)数(Shu)值(Zhi)较(Jiao)大(Da)的(De)情(Qing)况(Kuang),(?)建(Jian)议(Yi)测(Ce)量(Liang)3次(Ci)以(Yi)上(Shang)以(Yi)确(Que)定(Ding)测(Ce)试(Shi)结(Jie)果(Guo),(?)测(Ce)试(Shi)时(Shi)可(Ke)以(Yi)在(Zai)观(Guan)察(Cha)窗(Chuang)上(Shang)下(Xia)位(Wei)置(Zhi)测(Ce)试(Shi)对(Dui)比(Bi)数(Shu)据(Ju)。(?)

 (?) (?)2.2 数(Shu)据(Ju)分(Fen)析(Xi)判(Pan)断(Duan)

 (?) (?)在(Zai)结(Jie)合(He)实(Shi)测(Ce)经(Jing)验(Yan)以(Yi)及(Ji)同(Tong)行(Xing)测(Ce)试(Shi)的(De)经(Jing)验(Yan)基(Ji)础(Chu)上(Shang),(?)采(Cai)用(Yong)如(Ru)下(Xia)的(De)数(Shu)据(Ju)判(Pan)断(Duan)方(Fang)法(Fa):(?)

 (?) (?)1) 当(Dang)发(Fa)现(Xian)开(Kai)关(Guan)室(Shi)内(Nei)TEV背(Bei)景(Jing)值(Zhi)与(Yu)测(Ce)试(Shi)值(Zhi)都(Du)在(Zai)20dB以(Yi)下(Xia)时(Shi),(?)表(Biao)示(Shi)开(Kai)关(Guan)设(She)备(Bei)正(Zheng)常(Chang),(?)下(Xia)次(Ci)再(Zai)次(Ci)进(Jin)行(Xing)巡(Xun)检(Jian)。(?)

 (?) (?)2) 如(Ru)果(Guo)开(Kai)关(Guan)室(Shi)内(Nei)TEV背(Bei)景(Jing)值(Zhi)在(Zai)10dB以(Yi)下(Xia),(?)而(?)某(Mou)些(Xie)开(Kai)关(Guan)柜(Gui)的(De)测(Ce)试(Shi)值(Zhi)在(Zai)20dB~30dB,(?)应(Ying)对(Dui)该(Gai)开(Kai)关(Guan)柜(Gui)加(Jia)强(Qiang)关(Guan)注(Zhu),(?)观(Guan)察(Cha)以(Yi)后(Hou)检(Jian)测(Ce)幅(Fu)值(Zhi)的(De)变(Bian)化(Hua)趋(Qu)势(Shi)。(?)

 (?) (?)3) 如(Ru)果(Guo)开(Kai)关(Guan)室(Shi)内(Nei)TEV背(Bei)景(Jing)值(Zhi)10dB以(Yi)下(Xia),(?)而(?)某(Mou)些(Xie)开(Kai)关(Guan)柜(Gui)的(De)TEV测(Ce)试(Shi)值(Zhi)大(Da)于(Yu)30dB(相(Xiang)对(Dui)值(Zhi)大(Da)于(Yu)20dB),(?)而(?)表(Biao)明(Ming)该(Gai)开(Kai)关(Guan)柜(Gui)有(You)局(Ju)部(Bu)放(Fang)电(Dian)现(Xian)象(Xiang),(?)应(Ying)使(Shi)用(Yong)定(Ding)位(Wei)技(Ji)术(Shu)对(Dui)放(Fang)电(Dian)点(Dian)进(Jin)行(Xing)定(Ding)位(Wei)。(?)

 (?) (?)4) 如(Ru)果(Guo)开(Kai)关(Guan)室(Shi)内(Nei)TEV测(Ce)试(Shi)值(Zhi)和(He)背(Bei)景(Jing)值(Zhi)都(Du)在(Zai)30dB以(Yi)上(Shang),(?)且(Qie)并(Bing)没(Mei)有(You)发(Fa)现(Xian)在(Zai)某(Mou)个(Ge)开(Kai)关(Guan)柜(Gui)上(Shang)出(Chu)现(Xian)峰(Feng)值(Zhi),(?)应(Ying)使(Shi)用(Yong)定(Ding)位(Wei)技(Ji)术(Shu)来(Lai)判(Pan)断(Duan)信(Xin)号(Hao)源(Yuan)的(De)来(Lai)源(Yuan),(?)如(Ru)检(Jian)测(Ce)结(Jie)果(Guo)发(Fa)现(Xian)信(Xin)号(Hao)源(Yuan)来(Lai)自(Zi)开(Kai)关(Guan)柜(Gui),(?)而(?)不(Bu)是(Shi)外(Wai)界(Jie)的(De)干(Gan)扰(Rao)信(Xin)号(Hao),(?)应(Ying)使(Shi)用(Yong)定(Ding)位(Wei)技(Ji)术(Shu)对(Dui)放(Fang)电(Dian)点(Dian)进(Jin)行(Xing)定(Ding)位(Wei)。(?)

 (?) (?)5) 如(Ru)果(Guo)在(Zai)某(Mou)个(Ge)开(Kai)关(Guan)柜(Gui)的(De)超(Chao)声(Sheng)波(Bo)测(Ce)试(Shi)数(Shu)据(Ju)幅(Fu)值(Zhi)大(Da)于(Yu)6dB小(Xiao)于(Yu)20dB,(?)说(Shuo)明(Ming)开(Kai)关(Guan)柜(Gui)内(Nei)存(Cun)在(Zai)局(Ju)部(Bu)放(Fang)电(Dian),(?)需(Xu)要(Yao)进(Jin)行(Xing)复(Fu)测(Ce)。(?)

 (?) (?)6) 如(Ru)果(Guo)在(Zai)某(Mou)个(Ge)开(Kai)关(Guan)柜(Gui)的(De)超(Chao)声(Sheng)波(Bo)测(Ce)试(Shi)数(Shu)据(Ju)幅(Fu)值(Zhi)超(Chao)过(Guo)20dB,(?)说(Shuo)明(Ming)该(Gai)开(Kai)关(Guan)柜(Gui)内(Nei)部(Bu)存(Cun)在(Zai)严(Yan)重(Zhong)的(De)局(Ju)部(Bu)放(Fang)电(Dian),(?)应(Ying)尽(Jin)快(Kuai)组(Zu)织(Zhi)复(Fu)测(Ce),(?)密(Mi)切(Qie)关(Guan)注(Zhu)检(Jian)测(Ce)幅(Fu)值(Zhi)的(De)变(Bian)化(Hua)趋(Qu)势(Shi)。(?)

 (?) (?)7) 所(Suo)有(You)故(Gu)障(Zhang)处(Chu)理(Li)过(Guo)的(De)开(Kai)关(Guan)柜(Gui),(?)应(Ying)再(Zai)次(Ci)对(Dui)该(Gai)开(Kai)关(Guan)室(Shi)进(Jin)行(Xing)局(Ju)部(Bu)放(Fang)电(Dian)监(Jian)测(Ce),(?)检(Jian)测(Ce)结(Jie)果(Guo)跟(Gen)处(Chu)理(Li)前(Qian)进(Jin)行(Xing)比(Bi)较(Jiao),(?)衡(Heng)量(Liang)故(Gu)障(Zhang)处(Chu)理(Li)的(De)准(Zhun)确(Que)性(Xing)。(?)

 (?) (?)同(Tong)时(Shi)除(Chu)了(Liao)数(Shu)据(Ju)判(Pan)断(Duan),(?)还(Huan)应(Ying)结(Jie)合(He)设(She)备(Bei)类(Lei)型(Xing)进(Jin)行(Xing)横(Heng)向(Xiang)、(?)纵(Zong)向(Xiang)对(Dui)比(Bi),(?)对(Dui)于(Yu)同(Tong)一(Yi)开(Kai)关(Guan)柜(Gui)要(Yao)进(Jin)行(Xing)对(Dui)比(Bi)其(Qi)周(Zhou)期(Qi)历(Li)史(Shi)数(Shu)据(Ju)看(Kan)变(Bian)化(Hua)大(Da)小(Xiao)差(Cha)异(Yi),(?)如(Ru)果(Guo)增(Zeng)加(Jia)幅(Fu)度(Du)超(Chao)过(Guo)5~10dB以(Yi)上(Shang)都(Du)需(Xu)要(Yao)予(Yu)以(Yi)加(Jia)强(Qiang)关(Guan)注(Zhu);而(?)同(Tong)一(Yi)室(Shi)内(Nei)若(Ruo)是(Shi)相(Xiang)同(Tong)类(Lei)型(Xing)开(Kai)关(Guan)柜(Gui)差(Cha)异(Yi)过(Guo)大(Da)超(Chao)过(Guo)了(Liao)10dB时(Shi)需(Xu)要(Yao)引(Yin)起(Qi)注(Zhu)意(Yi),(?)并(Bing)需(Xu)要(Yao)进(Jin)行(Xing)现(Xian)场(Chang)分(Fen)析(Xi)是(Shi)否(Fou)柜(Gui)体(Ti)附(Fu)近(Jin)有(You)较(Jiao)近(Jin)的(De)干(Gan)扰(Rao)源(Yuan)以(Yi)及(Ji)跟(Gen)踪(Zong)关(Guan)注(Zhu)检(Jian)测(Ce)柜(Gui)体(Ti)是(Shi)否(Fou) 有(You)故(Gu)障(Zhang)缺(Que)陷(Xian)。(?)

 (?) (?)由(You)于(Yu)两(Liang)种(Zhong)测(Ce)试(Shi)方(Fang)法(Fa)的(De)差(Cha)异(Yi)及(Ji)特(Te)性(Xing),(?)表(Biao)面(Mian)放(Fang)电(Dian)成(Cheng)功(Gong)的(De)检(Jian)测(Ce)方(Fang)法(Fa)是(Shi)使(Shi)用(Yong)超(Chao)声(Sheng)波(Bo)技(Ji)术(Shu),(?)因(Yin)为(Wei)表(Biao)面(Mian)放(Fang)电(Dian)发(Fa)出(Chu)的(De)TEV信(Xin)号(Hao)要(Yao)比(Bi)内(Nei)部(Bu)放(Fang)电(Dian)的(De)要(Yao)小(Xiao)很(Hen)多(Duo)。(?)此(Ci)外(Wai)表(Biao)面(Mian)放(Fang)电(Dian)所(Suo)产(Chan)生(Sheng)的(De)电(Dian)磁(Ci)波(Bo)信(Xin)号(Hao)频(Pin)率(Lu)也(Ye)比(Bi)TEV传(Chuan)感(Gan)器(Qi)的(De)检(Jian)测(Ce)频(Pin)率(Lu)要(Yao)低(Di),(?)很(Hen)多(Duo)情(Qing)况(Kuang)下(Xia)表(Biao)面(Mian)放(Fang)电(Dian)不(Bu)会(Hui)被(Bei)TEV传(Chuan)感(Gan)器(Qi)检(Jian)测(Ce)到(Dao),(?)但(Dan)可(Ke)以(Yi)被(Bei)超(Chao)声(Sheng)波(Bo)传(Chuan)感(Gan)器(Qi)所(Suo)检(Jian)测(Ce)到(Dao)。(?)实(Shi)测(Ce)过(Guo)程(Cheng)中(Zhong)许(Xu)多(Duo)TEV测(Ce)试(Shi)集(Ji)中(Zhong)于(Yu)15~17dB的(De)柜(Gui),(?)但(Dan)测(Ce)试(Shi)超(Chao)声(Sheng)波(Bo)达(Da)到(Dao)了(Liao)25~28dB,(?)通(Tong)过(Guo)检(Jian)查(Cha)发(Fa)现(Xian)了(Liao)缺(Que)陷(Xian)得(De)到(Dao)了(Liao)印(Yin)证(Zheng)。(?)所(Suo)以(Yi)测(Ce)试(Shi)局(Ju)放(Fang)结(Jie)果(Guo)一(Yi)定(Ding)要(Yao)综(Zong)合(He)TEV和(He)超(Chao)声(Sheng)波(Bo)两(Liang)方(Fang)面(Mian)来(Lai)看(Kan),(?)测(Ce)试(Shi)过(Guo)程(Cheng)中(Zhong)两(Liang)者(Zhe)都(Du)需(Xu)要(Yao)进(Jin)行(Xing),(?)可(Ke)是(Shi)起(Qi)到(Dao)良(Liang)好(Hao)的(De)互(Hu)补(Bu)效(Xiao)果(Guo)。(?)

 (?) (?)通(Tong)过(Guo)大(Da)量(Liang)的(De)测(Ce)试(Shi)发(Fa)现(Xian)了(Liao)异(Yi)常(Chang)数(Shu)据(Ju)柜(Gui),(?)测(Ce)试(Shi)数(Shu)据(Ju)主(Zhu)要(Yao)集(Ji)中(Zhong)于(Yu):TEV范(Fan)围(Wei)为(Wei)5~45dB;超(Chao)声(Sheng)波(Bo)数(Shu)据(Ju)集(Ji)中(Zhong)于(Yu)6~28dB,(?)总(Zong)之(Zhi),(?)测(Ce)试(Shi)发(Fa)现(Xian)问(Wen)题(Ti)主(Zhu)要(Yao)集(Ji)中(Zhong)于(Yu)电(Dian)缆(Lan)头(Tou)、(?)电(Dian)缆(Lan)故(Gu)障(Zhang)指(Zhi)示(Shi)器(Qi)、(?)开(Kai)关(Guan)真(Zhen)空(Kong)管(Guan)连(Lian)接(Jie)母(Mu)排(Pai)处(Chu)、(?)穿(Chuan)墙(Qiang)套(Tao)管(Guan)处(Chu)等(Deng),(?)因(Yin)此(Ci)测(Ce)试(Shi)过(Guo)程(Cheng)中(Zhong)需(Xu)要(Yao)对(Dui)这(Zhe)些(Xie)部(Bu)分(Fen)多(Duo)加(Jia)关(Guan)注(Zhu)。(?)
 

 (?) (?)变(Bian)压(Ya)器(Qi)带(Dai)电(Dian)检(Jian)测(Ce)技(Ji)术(Shu)方(Fang)案(An)

 (?) (?)1. 设(She)计(Ji)规(Gui)范(Fan)性(Xing)引(Yin)用(Yong)文(Wen)件(Jian)

 (?) (?)下(Xia)列(Lie)文(Wen)件(Jian)中(Zhong)的(De)条(Tiao)款(Kuan)通(Tong)过(Guo)本(Ben)规(Gui)范(Fan)的(De)引(Yin)用(Yong)而(?)成(Cheng)为(Wei)本(Ben)规(Gui)范(Fan)的(De)条(Tiao)款(Kuan),(?)其(Qi)新(Xin)版(Ban)本(Ben)适(Shi)用(Yong)于(Yu)本(Ben)规(Gui)范(Fan)。(?)

 (?) (?)GB50150电(Dian)气(Qi)装(Zhuang)置(Zhi)安(An)装(Zhuang)工(Gong)程(Cheng)电(Dian)气(Qi)设(She)备(Bei)交(Jiao)接(Jie)试(Shi)验(Yan)标(Biao)准(Zhun)

 (?) (?)GB/T7354局(Ju)部(Bu)放(Fang)电(Dian)测(Ce)量(Liang)

 (?) (?)GB/T7252变(Bian)压(Ya)器(Qi)油(You)中(Zhong)溶(Rong)解(Jie)气(Qi)体(Ti)分(Fen)析(Xi)和(He)判(Pan)断(Duan)标(Biao)准(Zhun)

 (?) (?)GB/T5654液(Ye)体(Ti)绝(Jue)缘(Yuan)材(Cai)料(Liao)工(Gong)频(Pin)相(Xiang)对(Dui)介(Jie)电(Dian)常(Chang)数(Shu)、(?)介(Jie)质(Zhi)损(Sun)耗(Hao)因(Yin)数(Shu)和(He)体(Ti)积(Ji)电(Dian)阻(Zu)率(Lu)的(De)测(Ce)量(Liang)

 (?) (?)DL/T596电(Dian)力(Li)设(She)备(Bei)预(Yu)防(Fang)性(Xing)试(Shi)验(Yan)规(Gui)程(Cheng)

 (?) (?)DL/T664带(Dai)电(Dian)设(She)备(Bei)红(Hong)外(Wai)诊(Zhen)断(Duan)应(Ying)用(Yong)规(Gui)范(Fan)

 (?) (?)DL419电(Dian)力(Li)用(Yong)油(You)名(Ming)词(Ci)术(Shu)语(Yu)

 (?) (?)DL429.9绝(Jue)缘(Yuan)油(You)介(Jie)电(Dian)强(Qiang)度(Du)测(Ce)定(Ding)法(Fa)

 (?) (?)Q/GDW168 输(Shu)变(Bian)电(Dian)设(She)备(Bei)状(Zhuang)态(Tai)检(Jian)修(Xiu)试(Shi)验(Yan)规(Gui)程(Cheng)

 (?) (?)Q/GDW169油(You)浸(Jin)式(Shi)变(Bian)压(Ya)器(Qi)(电(Dian)抗(Kang)器(Qi))状(Zhuang)态(Tai)评(Ping)价(Jia)导(Dao)则(Ze)

 (?) (?)Q/GDW170油(You)浸(Jin)式(Shi)变(Bian)压(Ya)器(Qi)(电(Dian)抗(Kang)器(Qi))状(Zhuang)态(Tai)检(Jian)修(Xiu)导(Dao)则(Ze)

 (?) (?)3 定(Ding)义(Yi)

 (?) (?)3.1 带(Dai)电(Dian)检(Jian)测(Ce)

 (?) (?)一(Yi)般(Ban)采(Cai)用(Yong)便(Bian)携(Xie)式(Shi)检(Jian)测(Ce)设(She)备(Bei),(?)在(Zai)运(Yun)行(Xing)状(Zhuang)态(Tai)下(Xia),(?)对(Dui)设(She)备(Bei)状(Zhuang)态(Tai)量(Liang)进(Jin)行(Xing)的(De)现(Xian)场(Chang)检(Jian)测(Ce),(?)其(Qi)检(Jian)测(Ce)方(Fang)式(Shi)为(Wei)带(Dai)电(Dian)短(Duan)时(Shi)间(Jian)内(Nei)检(Jian)测(Ce),(?)有(You)别(Bie)于(Yu)长(Chang)期(Qi)连(Lian)续(Xu)的(De)在(Zai)线(Xian)监(Jian)测(Ce)。(?)

 (?) (?)3.2 高(Gao)频(Pin)局(Ju)部(Bu)放(Fang)电(Dian)检(Jian)测(Ce)

 (?) (?)高(Gao)频(Pin)局(Ju)部(Bu)放(Fang)电(Dian)检(Jian)测(Ce)技(Ji)术(Shu)是(Shi)指(Zhi)对(Dui)频(Pin)率(Lu)介(Jie)于(Yu)3MHz-30MHz区(Qu)间(Jian)的(De)局(Ju)部(Bu)放(Fang)电(Dian)信(Xin)号(Hao)进(Jin)行(Xing)采(Cai)集(Ji)、(?)分(Fen)析(Xi)、(?)判(Pan)断(Duan)的(De)一(Yi)种(Zhong)检(Jian)测(Ce)方(Fang)法(Fa)。(?)

 (?) (?)3.3 红(Hong)外(Wai)热(Re)像(Xiang)检(Jian)测(Ce)

 (?) (?)利(Li)用(Yong)红(Hong)外(Wai)热(Re)像(Xiang)技(Ji)术(Shu),(?)对(Dui)电(Dian)力(Li)系(Xi)统(Tong)中(Zhong)具(Ju)有(You)电(Dian)流(Liu)、(?)电(Dian)压(Ya)致(Zhi)热(Re)效(Xiao)应(Ying)或(Huo)其(Qi)他(Ta)致(Zhi)热(Re)效(Xiao)应(Ying)的(De)带(Dai)电(Dian)设(She)备(Bei)进(Jin)行(Xing)检(Jian)测(Ce)和(He)诊(Zhen)断(Duan)。(?)

 (?) (?)3.4 超(Chao)声(Sheng)波(Bo)信(Xin)号(Hao)检(Jian)测(Ce)

 (?) (?)超(Chao)声(Sheng)波(Bo)检(Jian)测(Ce)技(Ji)术(Shu)是(Shi)指(Zhi)对(Dui)频(Pin)率(Lu)介(Jie)于(Yu)20kHz-200kHz区(Qu)间(Jian)的(De)声(Sheng)信(Xin)号(Hao)进(Jin)行(Xing)采(Cai)集(Ji)、(?)分(Fen)析(Xi)、(?)判(Pan)断(Duan)的(De)一(Yi)种(Zhong)检(Jian)测(Ce)方(Fang)法(Fa)。(?)

 (?) (?)3.5 高(Gao)频(Pin)局(Ju)部(Bu)放(Fang)电(Dian)检(Jian)测(Ce)

 (?) (?)高(Gao)频(Pin)检(Jian)测(Ce)技(Ji)术(Shu)是(Shi)指(Zhi)对(Dui)频(Pin)率(Lu)介(Jie)于(Yu)300MHz-3000MHz区(Qu)间(Jian)的(De)局(Ju)部(Bu)放(Fang)电(Dian)信(Xin)号(Hao)进(Jin)行(Xing)采(Cai)集(Ji)、(?)分(Fen)析(Xi)、(?)判(Pan)断(Duan)的(De)一(Yi)种(Zhong)检(Jian)测(Ce)方(Fang)法(Fa)。(?)

 (?) (?)3.6 暂(Zan)态(Tai)地(Di)电(Dian)压(Ya)检(Jian)测(Ce)

 (?) (?)局(Ju)部(Bu)放(Fang)电(Dian)发(Fa)生(Sheng)时(Shi),(?)在(Zai)接(Jie)地(Di)的(De)金(Jin)属(Shu)表(Biao)面(Mian)将(Jiang)产(Chan)生(Sheng)瞬(Shun)时(Shi)地(Di)电(Dian)压(Ya),(?)这(Zhe)个(Ge)地(Di)电(Dian)压(Ya)将(Jiang)沿(Yan)金(Jin)属(Shu)的(De)表(Biao)面(Mian)向(Xiang)各(Ge)个(Ge)方(Fang)向(Xiang)传(Chuan)播(Bo)。(?)通(Tong)过(Guo)检(Jian)测(Ce)地(Di)电(Dian)压(Ya)实(Shi)现(Xian)对(Dui)电(Dian)力(Li)设(She)备(Bei)局(Ju)部(Bu)放(Fang)电(Dian)的(De)判(Pan)别(Bie)和(He)定(Ding)位(Wei)。(?)

 (?) (?)3.7 接(Jie)地(Di)电(Dian)流(Liu)测(Ce)量(Liang)

 (?) (?)通(Tong)过(Guo)电(Dian)流(Liu)互(Hu)感(Gan)器(Qi)或(Huo)钳(Qian)形(Xing)电(Dian)流(Liu)表(Biao)对(Dui)设(She)备(Bei)接(Jie)地(Di)回(Hui)路(Lu)的(De)接(Jie)地(Di)电(Dian)流(Liu)进(Jin)行(Xing)检(Jian)测(Ce)。(?)

 (?) (?)3.8 相(Xiang)对(Dui)介(Jie)质(Zhi)介(Jie)质(Zhi)损(Sun)耗(Hao)因(Yin)数(Shu)

 (?) (?)两(Liang)个(Ge)电(Dian)容(Rong)型(Xing)设(She)备(Bei)在(Zai)并(Bing)联(Lian)情(Qing)况(Kuang)下(Xia)或(Huo)异(Yi)相(Xiang)相(Xiang)同(Tong)电(Dian)压(Ya)下(Xia)在(Zai)电(Dian)容(Rong)末(Mo)端(Duan)测(Ce)得(De)两(Liang)个(Ge)电(Dian)流(Liu)矢(Shi)量(Liang)差(Cha),(?)对(Dui)该(Gai)差(Cha)值(Zhi)进(Jin)行(Xing)正(Zheng)切(Qie)换(Huan)算(Suan),(?)换(Huan)算(Suan)所(Suo)得(De)数(Shu)值(Zhi)叫(Jiao)做(Zuo)相(Xiang)对(Dui)介(Jie)质(Zhi)介(Jie)质(Zhi)损(Sun)耗(Hao)因(Yin)数(Shu)。(?)

 (?) (?)3.9 SF6气(Qi)体(Ti)分(Fen)解(Jie)物(Wu)检(Jian)测(Ce)

 (?) (?)在(Zai)电(Dian)弧(Hu)、(?)局(Ju)部(Bu)放(Fang)电(Dian)或(Huo)其(Qi)他(Ta)不(Bu)正(Zheng)常(Chang)工(Gong)作(Zuo)条(Tiao)件(Jian)作(Zuo)用(Yong)下(Xia),(?)SF6气(Qi)体(Ti)将(Jiang)生(Sheng)成(Cheng)SO2、(?)H2S等(Deng)分(Fen)解(Jie)产(Chan)物(Wu)。(?)通(Tong)过(Guo)对(Dui)SF6气(Qi)体(Ti)分(Fen)解(Jie)物(Wu)的(De)检(Jian)测(Ce),(?)达(Da)到(Dao)判(Pan)断(Duan)设(She)备(Bei)运(Yun)行(Xing)状(Zhuang)态(Tai)的(De)目(Mu)的(De)。(?)

 (?) (?)3.10 SF6气(Qi)体(Ti)泄(Xie)漏(Lou)成(Cheng)像(Xiang)法(Fa)检(Jian)测(Ce)

 (?) (?)通(Tong)过(Guo)利(Li)用(Yong)成(Cheng)像(Xiang)法(Fa)技(Ji)术(Shu)(如(Ru):(?)激(Ji)光(Guang)成(Cheng)像(Xiang)法(Fa)、(?)红(Hong)外(Wai)成(Cheng)像(Xiang)法(Fa)),(?)可(Ke)实(Shi)现(Xian)SF6设(She)备(Bei)的(De)带(Dai)电(Dian)检(Jian)漏(Lou)和(He)泄(Xie)漏(Lou)点(Dian)的(De)准(Zhun)确(Que)定(Ding)位(Wei)。(?)

 (?) (?)3.11 金(Jin)属(Shu)护(Hu)套(Tao)接(Jie)地(Di)系(Xi)统(Tong)

 (?) (?)为(Wei)限(Xian)制(Zhi)电(Dian)缆(Lan)金(Jin)属(Shu)护(Hu)套(Tao)感(Gan)应(Ying)电(Dian)压(Ya),(?)将(Jiang)电(Dian)缆(Lan)金(Jin)属(Shu)护(Hu)套(Tao)通(Tong)过(Guo)不(Bu)同(Tong)方(Fang)式(Shi)与(Yu)地(Di)电(Dian)位(Wei)连(Lian)接(Jie)构(Gou)成(Cheng)的(De)完(Wan)整(Zheng)系(Xi)统(Tong)。(?)

 (?) (?)4 总(Zong)则(Ze)

 (?) (?)4.1 对(Dui)电(Dian)力(Li)设(She)备(Bei)的(De)带(Dai)电(Dian)检(Jian)测(Ce)是(Shi)判(Pan)断(Duan)运(Yun)行(Xing)设(She)备(Bei)是(Shi)否(Fou)存(Cun)在(Zai)缺(Que)陷(Xian),(?)预(Yu)防(Fang)设(She)备(Bei)损(Sun)坏(Huai)并(Bing)保(Bao)证(Zheng)运(Yun)行(Xing)的(De)重(Zhong)要(Yao)措(Cuo)施(Shi)之(Zhi)一(Yi)。(?)

 (?) (?)4.2 带(Dai)电(Dian)检(Jian)测(Ce)实(Shi)施(Shi)原(Yuan)则(Ze)

 (?) (?)带(Dai)电(Dian)检(Jian)测(Ce)的(De)实(Shi)施(Shi),(?)应(Ying)以(Yi)保(Bao)证(Zheng)人(Ren)员(Yuan)、(?)设(She)备(Bei)安(An)·(?)全(Quan)、(?)电(Dian)网(Wang)可(Ke)靠(Kao)性(Xing)为(Wei)前(Qian)提(Ti),(?)安(An)排(Pai)设(She)备(Bei)的(De)带(Dai)电(Dian)检(Jian)测(Ce)工(Gong)作(Zuo)。(?)在(Zai)具(Ju)体(Ti)实(Shi)施(Shi)时(Shi),(?)应(Ying)根(Gen)据(Ju)本(Ben)地(Di)区(Qu)实(Shi)际(Ji)情(Qing)况(Kuang)(设(She)备(Bei)运(Yun)行(Xing)情(Qing)况(Kuang)、(?)电(Dian)磁(Ci)环(Huan)境(Jing)、(?)检(Jian)测(Ce)仪(Yi)器(Qi)设(She)备(Bei)等(Deng)),(?)依(Yi)据(Ju)本(Ben)规(Gui)范(Fan),(?)制(Zhi)定(Ding)适(Shi)合(He)本(Ben)地(Di)区(Qu)的(De)实(Shi)施(Shi)细(Xi)则(Ze)或(Huo)补(Bu)充(Chong)规(Gui)定(Ding)。(?)

 (?) (?)4.2.1 带(Dai)电(Dian)局(Ju)部(Bu)放(Fang)电(Dian)检(Jian)测(Ce)判(Pan)定(Ding)

 (?) (?)带(Dai)电(Dian)局(Ju)部(Bu)放(Fang)电(Dian)检(Jian)测(Ce)中(Zhong)缺(Que)陷(Xian)的(De)判(Pan)定(Ding)应(Ying)排(Pai)除(Chu)干(Gan)扰(Rao),(?)综(Zong)合(He)考(Kao)虑(Lu)信(Xin)号(Hao)的(De)幅(Fu)值(Zhi)、(?)大(Da)小(Xiao)、(?)波(Bo)形(Xing)等(Deng)因(Yin)素(Su),(?)确(Que)定(Ding)是(Shi)否(Fou)具(Ju)备(Bei)局(Ju)部(Bu)放(Fang)电(Dian)特(Te)征(Zheng)。(?)

 (?) (?)4.2.2 缺(Que)陷(Xian)定(Ding)位(Wei)

 (?) (?)电(Dian)力(Li)设(She)备(Bei)互(Hu)相(Xiang)关(Guan)联(Lian),(?)在(Zai)某(Mou)设(She)备(Bei)上(Shang)检(Jian)测(Ce)到(Dao)缺(Que)陷(Xian)时(Shi),(?)应(Ying)当(Dang)对(Dui)相(Xiang)邻(Lin)设(She)备(Bei)进(Jin)行(Xing)检(Jian)测(Ce),(?)正(Zheng)确(Que)定(Ding)位(Wei)缺(Que)陷(Xian)。(?)同(Tong)时(Shi),(?)采(Cai)用(Yong)多(Duo)种(Zhong)检(Jian)测(Ce)技(Ji)术(Shu)进(Jin)行(Xing)联(Lian)合(He)分(Fen)析(Xi)定(Ding)位(Wei)。(?)

 (?) (?)4.2.3 与(Yu)设(She)备(Bei)状(Zhuang)态(Tai)评(Ping)价(Jia)相(Xiang)结(Jie)合(He)

 (?) (?)状(Zhuang)态(Tai)检(Jian)测(Ce)是(Shi)开(Kai)展(Zhan)设(She)备(Bei)状(Zhuang)态(Tai)评(Ping)价(Jia)的(De)基(Ji)础(Chu),(?)为(Wei)消(Xiao)隐(Yin)除(Chu)患(Huan)、(?)更(Geng)新(Xin)改(Gai)造(Zao)提(Ti)供(Gong)必(Bi)要(Yao)的(De)依(Yi)据(Ju)。(?)同(Tong)时(Shi),(?)状(Zhuang)态(Tai)评(Ping)价(Jia)为(Wei)较(Jiao)差(Cha)的(De)设(She)备(Bei)、(?)家(Jia)族(Zu)缺(Que)陷(Xian)设(She)备(Bei)等(Deng)是(Shi)下(Xia)一(Yi)周(Zhou)期(Qi)状(Zhuang)态(Tai)检(Jian)测(Ce)的(De)重(Zhong)点(Dian)对(Dui)象(Xiang)。(?)目(Mu)的(De)都(Du)是(Shi)尽(Jin)大(Da)可(Ke)能(Neng)控(Kong)制(Zhi)设(She)备(Bei)故(Gu)障(Zhang)停(Ting)电(Dian)风(Feng)险(Xian)、(?)减(Jian)少(Shao)事(Shi)故(Gu)损(Sun)失(Shi)。(?)

 (?) (?)4.2.4 与(Yu)电(Dian)网(Wang)运(Yun)行(Xing)方(Fang)式(Shi)结(Jie)合(He)

 (?) (?)同(Tong)一(Yi)电(Dian)网(Wang)在(Zai)不(Bu)同(Tong)运(Yun)行(Xing)方(Fang)式(Shi)下(Xia)存(Cun)在(Zai)不(Bu)同(Tong)的(De)关(Guan)键(Jian)风(Feng)险(Xian)点(Dian),(?)阶(Jie)段(Duan)性(Xing)的(De)带(Dai)电(Dian)检(Jian)测(Ce)工(Gong)作(Zuo)应(Ying)围(Wei)绕(Rao)电(Dian)网(Wang)运(Yun)行(Xing)方(Fang)式(Shi)来(Lai)展(Zhan)开(Kai),(?)对(Dui)关(Guan)键(Jian)设(She)备(Bei)适(Shi)度(Du)加(Jia)强(Qiang)测(Ce)试(Shi)能(Neng)有(You)效(Xiao)防(Fang)范(Fan)停(Ting)电(Dian)、(?)电(Dian)网(Wang)事(Shi)故(Gu)。(?)

 (?) (?)4.2.5 与(Yu)停(Ting)电(Dian)检(Jian)测(Ce)结(Jie)合(He)

 (?) (?)带(Dai)电(Dian)检(Jian)测(Ce)是(Shi)对(Dui)常(Chang)规(Gui)停(Ting)电(Dian)检(Jian)测(Ce)的(De)弥(Mi)补(Bu),(?)同(Tong)时(Shi)也(Ye)是(Shi)对(Dui)停(Ting)电(Dian)检(Jian)测(Ce)的(De)指(Zhi)导(Dao)。(?)但(Dan)是(Shi)带(Dai)电(Dian)检(Jian)测(Ce)也(Ye)不(Bu)能(Neng)解(Jie)决(Jue)全(Quan)部(Bu)问(Wen)题(Ti),(?)必(Bi)要(Yao)时(Shi)、(?)部(Bu)分(Fen)常(Chang)规(Gui)项(Xiang)目(Mu)还(Huan)是(Shi)需(Xu)要(Yao)停(Ting)电(Dian)检(Jian)测(Ce)。(?)所(Suo)以(Yi)应(Ying)以(Yi)带(Dai)电(Dian)检(Jian)测(Ce)为(Wei)主(Zhu),(?)辅(Fu)以(Yi)停(Ting)电(Dian)检(Jian)测(Ce)。(?)

 (?) (?)4.2.6 横(Heng)向(Xiang)与(Yu)纵(Zong)向(Xiang)比(Bi)较(Jiao)

 (?) (?)同(Tong)样(Yang)运(Yun)行(Xing)条(Tiao)件(Jian)、(?)同(Tong)型(Xing)号(Hao)的(De)电(Dian)力(Li)设(She)备(Bei)之(Zhi)间(Jian)进(Jin)行(Xing)横(Heng)向(Xiang)比(Bi)较(Jiao),(?)同(Tong)一(Yi)设(She)备(Bei)历(Li)次(Ci)检(Jian)测(Ce)进(Jin)行(Xing)纵(Zong)向(Xiang)比(Bi)较(Jiao),(?)是(Shi)有(You)效(Xiao)的(De)发(Fa)现(Xian)潜(Qian)在(Zai)问(Wen)题(Ti)的(De)方(Fang)法(Fa)。(?)

 (?) (?)4.2.7 新(Xin)技(Ji)术(Shu)应(Ying)用(Yong)

 (?) (?)带(Dai)电(Dian)检(Jian)测(Ce)已(Yi)被(Bei)证(Zheng)实(Shi)为(Wei)有(You)效(Xiao)的(De)检(Jian)测(Ce)手(Shou)段(Duan),(?)新(Xin)技(Ji)术(Shu)不(Bu)断(Duan)涌(Yong)现(Xian)。(?)在(Zai)保(Bao)证(Zheng)电(Dian)网(Wang)、(?)设(She)备(Bei)安(An)·(?)全(Quan)的(De)前(Qian)提(Ti)下(Xia),(?)积(Ji)极(Ji)探(Tan)索(Suo)使(Shi)用(Yong)新(Xin)技(Ji)术(Shu),(?)积(Ji)累(Lei)经(Jing)验(Yan),(?)保(Bao)证(Zheng)电(Dian)网(Wang)运(Yun)行(Xing)。(?)

 (?) (?)4.3 在(Zai)进(Jin)行(Xing)与(Yu)温(Wen)度(Du)和(He)湿(Shi)度(Du)有(You)关(Guan)的(De)各(Ge)种(Zhong)检(Jian)测(Ce)时(Shi)(如(Ru)红(Hong)外(Wai)热(Re)像(Xiang)检(Jian)测(Ce)等(Deng)),(?)应(Ying)同(Tong)时(Shi)测(Ce)量(Liang)环(Huan)境(Jing)温(Wen)度(Du)与(Yu)湿(Shi)度(Du)。(?)

 (?) (?)4.4 进(Jin)行(Xing)检(Jian)测(Ce)时(Shi),(?)环(Huan)境(Jing)温(Wen)度(Du)一(Yi)般(Ban)应(Ying)高(Gao)于(Yu)+5℃(?);室(Shi)外(Wai)检(Jian)测(Ce)应(Ying)在(Zai)良(Liang)好(Hao)天(Tian)气(Qi)进(Jin)行(Xing),(?)且(Qie)空(Kong)气(Qi)相(Xiang)对(Dui)湿(Shi)度(Du)一(Yi)般(Ban)不(Bu)高(Gao)于(Yu)80%。(?)

 (?) (?)4.5 室(Shi)外(Wai)进(Jin)行(Xing)红(Hong)外(Wai)热(Re)像(Xiang)检(Jian)测(Ce)宜(Yi)在(Zai)日(Ri)出(Chu)之(Zhi)前(Qian)、(?)日(Ri)落(Luo)之(Zhi)后(Hou)或(Huo)阴(Yin)天(Tian)进(Jin)行(Xing)。(?)

 (?) (?)4.6 室(Shi)内(Nei)检(Jian)测(Ce)局(Ju)部(Bu)放(Fang)电(Dian)信(Xin)号(Hao)宜(Yi)采(Cai)取(Qu)临(Lin)时(Shi)闭(Bi)灯(Deng)、(?)关(Guan)闭(Bi)无(Wu)线(Xian)通(Tong)讯(Xun)器(Qi)材(Cai)等(Deng)措(Cuo)施(Shi),(?)以(Yi)减(Jian)少(Shao)干(Gan)扰(Rao)信(Xin)号(Hao)。(?)

 (?) (?)4.7 进(Jin)行(Xing)设(She)备(Bei)检(Jian)测(Ce)时(Shi),(?)应(Ying)结(Jie)合(He)设(She)备(Bei)的(De)结(Jie)构(Gou)特(Te)点(Dian)和(He)检(Jian)测(Ce)数(Shu)据(Ju)的(De)变(Bian)化(Hua)规(Gui)律(Lu)与(Yu)趋(Qu)势(Shi),(?)进(Jin)行(Xing)全(Quan)·(?)面(Mian)地(Di)、(?)系(Xi)统(Tong)地(Di)综(Zong)合(He)分(Fen)析(Xi)和(He)比(Bi)较(Jiao),(?)做(Zuo)出(Chu)综(Zong)合(He)判(Pan)断(Duan)。(?)

 (?) (?)4.8 对(Dui)可(Ke)能(Neng)立(Li)即(Ji)造(Zao)成(Cheng)事(Shi)故(Gu)或(Huo)扩(Kuo)大(Da)损(Sun)·(?)伤(Shang)的(De)缺(Que)陷(Xian)类(Lei)型(Xing)(如(Ru)涉(She)及(Ji)固(Gu)体(Ti)绝(Jue)缘(Yuan)的(De)放(Fang)电(Dian)性(Xing)严(Yan)重(Zhong)缺(Que)陷(Xian)、(?)产(Chan)气(Qi)速(Su)率(Lu)超(Chao)过(Guo)标(Biao)准(Zhun)注(Zhu)意(Yi)值(Zhi)等(Deng)),(?)应(Ying)尽(Jin)快(Kuai)停(Ting)电(Dian)进(Jin)行(Xing)针(Zhen)对(Dui)性(Xing)诊(Zhen)断(Duan)试(Shi)验(Yan),(?)或(Huo)采(Cai)取(Qu)其(Qi)它(Ta)较(Jiao)稳(Wen)妥(Tuo)的(De)监(Jian)测(Ce)方(Fang)案(An)。(?)

 (?) (?)4.9 在(Zai)进(Jin)行(Xing)带(Dai)电(Dian)检(Jian)测(Ce)时(Shi),(?)带(Dai)电(Dian)检(Jian)测(Ce)接(Jie)线(Xian)应(Ying)不(Bu)影(Ying)响(Xiang)被(Bei)检(Jian)测(Ce)设(She)备(Bei)的(De)可(Ke)靠(Kao)性(Xing)。(?)

 (?) (?)4.10 当(Dang)采(Cai)用(Yong)一(Yi)种(Zhong)检(Jian)测(Ce)方(Fang)法(Fa)发(Fa)现(Xian)设(She)备(Bei)存(Cun)在(Zai)问(Wen)题(Ti)时(Shi),(?)要(Yao)采(Cai)用(Yong)其(Qi)它(Ta)可(Ke)行(Xing)的(De)方(Fang)法(Fa)进(Jin)一(Yi)步(Bu)进(Jin)行(Xing)联(Lian)合(He)检(Jian)测(Ce),(?)检(Jian)测(Ce)过(Guo)程(Cheng)中(Zhong)发(Fa)现(Xian)异(Yi)常(Chang)信(Xin)号(Hao),(?)应(Ying)注(Zhu)意(Yi)组(Zu)合(He)技(Ji)术(Shu)的(De)应(Ying)用(Yong)进(Jin)行(Xing)关(Guan)联(Lian)分(Fen)析(Xi)。(?)

 (?) (?)4.11 当(Dang)设(She)备(Bei)存(Cun)在(Zai)问(Wen)题(Ti)时(Shi),(?)信(Xin)号(Hao)应(Ying)具(Ju)有(You)可(Ke)重(Zhong)复(Fu)观(Guan)测(Ce)性(Xing),(?)对(Dui)于(Yu)偶(Ou)发(Fa)信(Xin)号(Hao)应(Ying)加(Jia)强(Qiang)跟(Gen)踪(Zong),(?)并(Bing)尽(Jin)量(Liang)查(Cha)找(Zhao)偶(Ou)发(Fa)信(Xin)号(Hao)原(Yuan)因(Yin)。(?)

 (?) (?)4.12 老(Lao)旧(Jiu)设(She)备(Bei)局(Ju)部(Bu)放(Fang)电(Dian)带(Dai)电(Dian)检(Jian)测(Ce)

 (?) (?)带(Dai)电(Dian)高(Gao)频(Pin)局(Ju)部(Bu)放(Fang)电(Dian)检(Jian)测(Ce)需(Xu)从(Cong)末(Mo)屏(Ping)引(Yin)下(Xia)线(Xian)抽(Chou)取(Qu)信(Xin)号(Hao),(?)很(Hen)多(Duo)老(Lao)旧(Jiu)设(She)备(Bei)没(Mei)有(You)末(Mo)屏(Ping)引(Yin)下(Xia)线(Xian),(?)不(Bu)能(Neng)有(You)效(Xiao)进(Jin)行(Xing)带(Dai)电(Dian)检(Jian)测(Ce),(?)可(Ke)以(Yi)在(Zai)工(Gong)作(Zuo)中(Zhong)结(Jie)合(He)停(Ting)电(Dian)安(An)装(Zhuang)末(Mo)屏(Ping)端(Duan)子(Zi)箱(Xiang)和(He)引(Yin)下(Xia)线(Xian),(?)为(Wei)带(Dai)电(Dian)检(Jian)测(Ce)创(Chuang)造(Zao)条(Tiao)件(Jian)。(?)从(Cong)末(Mo)屏(Ping)抽(Chou)取(Qu)信(Xin)号(Hao)时(Shi),(?)尽(Jin)量(Liang)采(Cai)用(Yong)开(Kai)口(Kou)抽(Chou)取(Qu)信(Xin)号(Hao),(?)不(Bu)影(Ying)响(Xiang)被(Bei)检(Jian)测(Ce)设(She)备(Bei)的(De)可(Ke)靠(Kao)运(Yun)行(Xing)。(?)

 (?) (?)4.13 带(Dai)电(Dian)检(Jian)测(Ce)信(Xin)号(Hao)表(Biao)现(Xian)出(Chu)的(De)家(Jia)族(Zu)性(Xing)特(Te)征(Zheng)

 (?) (?)应(Ying)重(Zhong)视(Shi)带(Dai)电(Dian)检(Jian)测(Ce)发(Fa)现(Xian)家(Jia)族(Zu)性(Xing)缺(Que)陷(Xian)的(De)分(Fen)析(Xi)统(Tong)计(Ji)工(Gong)作(Zuo),(?)查(Cha)找(Zhao)缺(Que)陷(Xian)发(Fa)生(Sheng)的(De)本(Ben)质(Zhi)原(Yuan)因(Yin),(?)着(Zhuo)重(Zhong)从(Cong)设(She)备(Bei)的(De)设(She)计(Ji)、(?)材(Cai)质(Zhi)、(?)工(Gong)艺(Yi)等(Deng)方(Fang)面(Mian)查(Cha)找(Zhao),(?)总(Zong)结(Jie)同(Tong)型(Xing)、(?)同(Tong)厂(Chang)、(?)同(Tong)工(Gong)艺(Yi)的(De)设(She)备(Bei)是(Shi)否(Fou)存(Cun)在(Zai)同(Tong)样(Yang)缺(Que)陷(Xian)隐(Yin)患(Huan),(?)并(Bing)分(Fen)析(Xi)这(Zhe)些(Xie)缺(Que)陷(Xian)在(Zai)带(Dai)电(Dian)状(Zhuang)态(Tai)下(Xia)表(Biao)征(Zheng)出(Chu)来(Lai)的(De)信(Xin)号(Hao)是(Shi)否(Fou)具(Ju)有(You)家(Jia)族(Zu)性(Xing)特(Te)征(Zheng)。(?)

 (?) (?)5 变(Bian)压(Ya)器(Qi)检(Jian)测(Ce)项(Xiang)目(Mu)、(?)周(Zhou)期(Qi)和(He)标(Biao)准(Zhun)

 (?) (?)5.1  红(Hong)外(Wai)热(Re)像(Xiang)检(Jian)测(Ce)

 (?) (?)检(Jian)测(Ce)变(Bian)压(Ya)器(Qi)箱(Xiang)体(Ti)、(?)储(Chu)油(You)柜(Gui)、(?)套(Tao)管(Guan)、(?)引(Yin)线(Xian)接(Jie)头(Tou)及(Ji)电(Dian)缆(Lan)终(Zhong)端(Duan),(?)红(Hong)外(Wai)热(Re)像(Xiang)图(Tu)显(Xian)示(Shi)应(Ying)无(Wu)异(Yi)常(Chang)温(Wen)升(Sheng)、(?)温(Wen)差(Cha)和(He)/或(Huo)相(Xiang)对(Dui)温(Wen)差(Cha)。(?)检(Jian)测(Ce)和(He)分(Fen)析(Xi)方(Fang)法(Fa)参(Can)考(Kao)DL/T664。(?)

 (?) (?)5.2  油(You)中(Zhong)溶(Rong)解(Jie)气(Qi)体(Ti)分(Fen)析(Xi)

 (?) (?)对(Dui)于(Yu)66kV及(Ji)以(Yi)上(Shang)设(She)备(Bei),(?)除(Chu)例(Li)行(Xing)试(Shi)验(Yan)外(Wai),(?)新(Xin)投(Tou)运(Yun)、(?)对(Dui)核(He)心(Xin)部(Bu)件(Jian)或(Huo)主(Zhu)体(Ti)进(Jin)行(Xing)解(Jie)体(Ti)性(Xing)检(Jian)修(Xiu)后(Hou)重(Zhong)新(Xin)投(Tou)运(Yun)的(De)变(Bian)压(Ya)器(Qi),(?)在(Zai)投(Tou)运(Yun)后(Hou)的(De)1、(?)4、(?)10、(?)30天(Tian)各(Ge)进(Jin)行(Xing)一(Yi)次(Ci)本(Ben)项(Xiang)试(Shi)验(Yan)。(?)若(Ruo)有(You)增(Zeng)长(Chang)趋(Qu)势(Shi),(?)即(Ji)使(Shi)小(Xiao)于(Yu)注(Zhu)意(Yi)值(Zhi),(?)也(Ye)应(Ying)缩(Suo)短(Duan)试(Shi)验(Yan)周(Zhou)期(Qi)。(?)烃(Ting)类(Lei)气(Qi)体(Ti)含(Han)量(Liang)较(Jiao)高(Gao)时(Shi),(?)应(Ying)计(Ji)算(Suan)总(Zong)烃(Ting)的(De)产(Chan)气(Qi)速(Su)率(Lu)。(?)取(Qu)样(Yang)及(Ji)测(Ce)量(Liang)程(Cheng)序(Xu)参(Can)考(Kao)GB/T7252,(?)同(Tong)时(Shi)注(Zhu)意(Yi)设(She)备(Bei)技(Ji)术(Shu)文(Wen)件(Jian)的(De)特(Te)别(Bie)提(Ti)示(Shi)。(?)当(Dang)怀(Huai)疑(Yi)有(You)内(Nei)部(Bu)缺(Que)陷(Xian)(如(Ru)听(Ting)到(Dao)异(Yi)常(Chang)声(Sheng)响(Xiang))、(?)气(Qi)体(Ti)继(Ji)电(Dian)器(Qi)有(You)信(Xin)号(Hao)、(?)经(Jing)历(Li)了(Liao)过(Guo)负(Fu)荷(He)运(Yun)行(Xing)以(Yi)及(Ji)发(Fa)生(Sheng)了(Liao)出(Chu)口(Kou)或(Huo)近(Jin)区(Qu)短(Duan)路(Lu)故(Gu)障(Zhang)时(Shi),(?)应(Ying)进(Jin)行(Xing)额(E)外(Wai)的(De)取(Qu)样(Yang)分(Fen)析(Xi)。(?)

 (?) (?)5.3  高(Gao)频(Pin)局(Ju)部(Bu)放(Fang)电(Dian)检(Jian)测(Ce)

 (?) (?)检(Jian)测(Ce)从(Cong)套(Tao)管(Guan)末(Mo)屏(Ping)接(Jie)地(Di)线(Xian)、(?)高(Gao)压(Ya)电(Dian)缆(Lan)接(Jie)地(Di)线(Xian)(变(Bian)压(Ya)器(Qi)为(Wei)电(Dian)缆(Lan)出(Chu)线(Xian)结(Jie)构(Gou))、(?)铁(Tie)芯(Xin)和(He)夹(Jia)件(Jian)接(Jie)地(Di)线(Xian)上(Shang)取(Qu)信(Xin)号(Hao)。(?)正(Zheng)常(Chang)时(Shi)应(Ying)无(Wu)典(Dian)型(Xing)放(Fang)电(Dian)图(Tu)谱(Pu)。(?)当(Dang)怀(Huai)疑(Yi)有(You)局(Ju)部(Bu)放(Fang)电(Dian)时(Shi),(?)比(Bi)较(Jiao)其(Qi)它(Ta)检(Jian)测(Ce)方(Fang)法(Fa),(?)如(Ru)油(You)中(Zhong)溶(Rong)解(Jie)气(Qi)体(Ti)分(Fen)析(Xi)、(?)超(Chao)高(Gao)频(Pin)局(Ju)部(Bu)放(Fang)电(Dian)检(Jian)测(Ce)、(?)超(Chao)声(Sheng)波(Bo)检(Jian)测(Ce)等(Deng)方(Fang)法(Fa)对(Dui)该(Gai)设(She)备(Bei)进(Jin)行(Xing)综(Zong)合(He)分(Fen)析(Xi)。(?)

 

郑(Zheng)州(Zhou)市(Shi)蓝(Lan)清(Qing)科(Ke)技(Ji)有(You)限(Xian)公(Gong)司(Si) 版(Ban)权(Quan)所(Suo)有(You) 备(Bei)案(An)号(Hao):豫(Yu)ICP备(Bei)11005459号(Hao)-8  营(Ying)业(Ye)执(Zhi)照(Zhao)  带(Dai)电(Dian)清(Qing)洗(Xi)工(Gong)程(Cheng)  技(Ji)术(Shu)支(Zhi)持(Chi):(?)      关(Guan)于(Yu)极(Ji)限(Xian)词(Ci)、(?)绝(Jue)对(Dui)性(Xing)用(Yong)词(Ci)与(Yu)功(Gong)能(Neng)性(Xing)用(Yong)词(Ci)等(Deng)广(Guang)告(Gao)法(Fa)禁(Jin)用(Yong)词(Ci)失(Shi)效(Xiao)和(He)免(Mian)责(Ze)声(Sheng)明(Ming)  
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