Ø强大的(de)(de)TF-Map筛选功能(neng)，可根据等效时频(pin)(pin)图(tu)(tu)谱(TF-Map)分(fen)布情况，框选并禁用噪(zao)声及干(gan)扰信(xin)号(hao)区间(jian)，实(shi)时实(shi)现采集(ji)过程中的(de)(de)信(xin)噪(zao)分(fen)离；（如(ru)下图(tu)(tu)5所示）图(tu)(tu)5：TF-Map筛选功能(neng)Ø内(nei)置电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆典型放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)类(lei)型数据库及**识别系统，结合(he)神经网络、放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)特征参量实(shi)现绝缘缺陷类(lei)型识别；（如(ru)下页图(tu)(tu)6所示）(a)高(gao)(gao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)晕放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(b)低(di)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)晕放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(c)内(nei)部(bu)(bu)放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(d)沿面放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(e)悬(xuan)浮放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)图(tu)(tu)6：典型放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)类(lei)型的(de)(de)样本数据库(部(bu)(bu)分(fen))Ø具备分(fen)组筛选功能(neng)，基(ji)于(yu)放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)脉冲波(bo)形特征形成放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)TF-Map，根据TF-Map技术分(fen)离多源放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)及噪(zao)音(yin)的(de)(de)信(xin)号(hao)，并完成放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)类(lei)型或噪(zao)音(yin)识别；(如(ru)下页图(tu)(tu)7所示)图(tu)(tu)7：基(ji)于(yu)分(fen)组筛选的(de)(de)多源缺陷放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)信(xin)号(hao)和噪(zao)音(yin)信(xin)号(hao)分(fen)离及识别高(gao)(gao)压电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆的(de)(de)局部(bu)(bu)放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)监测试(shi)验如(ru)何(he)提高(gao)(gao)工(gong)作人员的(de)(de)安(an)全性？高(gao)(gao)频(pin)(pin)局部(bu)(bu)放(fang)(fang)(fang)(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)危害包括

八、使用方(fang)法1、将(jiang)控制台(tai)输(shu)出接(jie)(jie)(jie)(jie)(jie)至试(shi)验变(bian)压(ya)(ya)(ya)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)输(shu)入(ru)(ru)，将(jiang)控制台(tai)的(de)(de)(de)(de)仪表(biao)输(shu)入(ru)(ru)端(duan)接(jie)(jie)(jie)(jie)(jie)至试(shi)验变(bian)压(ya)(ya)(ya)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)仪表(biao)接(jie)(jie)(jie)(jie)(jie)线端(duan)；2、接(jie)(jie)(jie)(jie)(jie)入(ru)(ru)耦合电(dian)(dian)(dian)(dian)(dian)容器(qi)(qi)(qi)(qi)、检(jian)测阻抗盒、电(dian)(dian)(dian)(dian)(dian)脉冲局(ju)(ju)(ju)放(fang)(fang)仪或特高(gao)频(pin)局(ju)(ju)(ju)放(fang)(fang)仪；3、放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)模(mo)型(xing)(xing)操(cao)(cao)作方(fang)法3.1放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)模(mo)型(xing)(xing)下(xia)(xia)降操(cao)(cao)作：顺时针方(fang)向旋转(zhuan)(zhuan)手(shou)柄(bing)，直到手(shou)柄(bing)旋转(zhuan)(zhuan)不动，放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)模(mo)型(xing)(xing)接(jie)(jie)(jie)(jie)(jie)触(chu)(chu)高(gao)压(ya)(ya)(ya)导电(dian)(dian)(dian)(dian)(dian)杆；3.2放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)模(mo)型(xing)(xing)上(shang)升(sheng)操(cao)(cao)作：逆时针方(fang)向旋转(zhuan)(zhuan)手(shou)柄(bing)，直到手(shou)柄(bing)旋转(zhuan)(zhuan)不动，放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)模(mo)型(xing)(xing)升(sheng)到比较高(gao)点；3.3放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)模(mo)型(xing)(xing)一次(ci)只能操(cao)(cao)作一个，其它放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)模(mo)型(xing)(xing)必须(xu)旋转(zhuan)(zhuan)到比较高(gao)点；4、牢固接(jie)(jie)(jie)(jie)(jie)好(hao)所(suo)有试(shi)验设备(bei)的(de)(de)(de)(de)接(jie)(jie)(jie)(jie)(jie)地线；5、检(jian)查(cha)无误后(hou)合上(shang)控制台(tai)(箱)上(shang)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)源(yuan)开(kai)关，电(dian)(dian)(dian)(dian)(dian)源(yuan)指示灯亮；（注：此时如调压(ya)(ya)(ya)器(qi)(qi)(qi)(qi)不在(zai)零(ling)位(wei)，则(ze)将(jiang)调压(ya)(ya)(ya)器(qi)(qi)(qi)(qi)调回零(ling)位(wei)，零(ling)位(wei)指示灯亮。）6、按下(xia)(xia)合闸按钮(niu)，输(shu)出接(jie)(jie)(jie)(jie)(jie)触(chu)(chu)器(qi)(qi)(qi)(qi)合闸，将(jiang)电(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)慢慢升(sheng)高(gao)，直到局(ju)(ju)(ju)放(fang)(fang)仪上(shang)出现(xian)局(ju)(ju)(ju)放(fang)(fang)信号(hao)，此时记录放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)和局(ju)(ju)(ju)放(fang)(fang)波形。试(shi)验完成后(hou)，将(jiang)电(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)降为零(ling)后(hou)按下(xia)(xia)开(kai)关按钮(niu)。低压(ya)(ya)(ya)局(ju)(ju)(ju)部放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)仪手(shou)持(chi)式局(ju)(ju)(ju)部放(fang)(fang)电(dian)(dian)(dian)(dian)(dian)监测技术(shu)怎么样？

目前普遍使用(yong)的电(dian)(dian)(dian)缆(lan)(lan)绝缘性(xing)能评价(jia)方法主要有交(jiao)直(zhi)流(liu)耐(nai)压试验、**频耐(nai)压试验及基于(yu)振荡波电(dian)(dian)(dian)压的局(ju)部(bu)放电(dian)(dian)(dian)和(he)(he)介质损(sun)耗(hao)测(ce)(ce)量，以上传统方法*适用(yong)于(yu)电(dian)(dian)(dian)缆(lan)(lan)的离线(xian)监(jian)测(ce)(ce)，无法应用(yong)于(yu)运行中电(dian)(dian)(dian)缆(lan)(lan)的状态监(jian)测(ce)(ce)。便携式高频局(ju)部(bu)放电(dian)(dian)(dian)监(jian)测(ce)(ce)设备虽适用(yong)于(yu)电(dian)(dian)(dian)缆(lan)(lan)的离线(xian)和(he)(he)在(zai)线(xian)监(jian)测(ce)(ce)，但由于(yu)放电(dian)(dian)(dian)脉(mai)冲信号微弱，且在(zai)传输过程中存(cun)(cun)在(zai)衰(shuai)减(jian)(每1km距离衰(shuai)减(jian)约93%左右)及背景噪(zao)音干(gan)扰，现场应用(yong)时需多点分(fen)别(bie)监(jian)测(ce)(ce)，**终对测(ce)(ce)试结果进行汇总(zong)分(fen)析，存(cun)(cun)在(zai)工作(zuo)量大、实(shi)时性(xing)差等缺(que)点。本文介绍了分(fen)布式局(ju)部(bu)放电(dian)(dian)(dian)监(jian)测(ce)(ce)系统的构成及其在(zai)高压电(dian)(dian)(dian)缆(lan)(lan)线(xian)路交(jiao)接试验及在(zai)线(xian)重症监(jian)护(hu)中的应用(yong)，系统采用(yong)低功耗(hao)设计及无线(xian)组网技术(shu)，支持多点同步(bu)监(jian)测(ce)(ce)，为长距离新敷设电(dian)(dian)(dian)缆(lan)(lan)和(he)(he)疑似问(wen)题电(dian)(dian)(dian)缆(lan)(lan)的故障监(jian)测(ce)(ce)及绝缘性(xing)能评价(jia)提出解决方案。

GZPD-4D/3型(xing)（13年至今已是第三(san)代；本文皆以三(san)通道的(de)(de)GZPD-4D/3型(xing)为例）是我公司结合多年局(ju)放(fang)(fang)监测(ce)技(ji)术(shu)研(yan)发及工程(cheng)技(ji)术(shu)服务(wu)的(de)(de)丰富经验、吸取GZPD-234/3型(xing)及国(guo)内(nei)外类似产品的(de)(de)技(ji)术(shu)亮点和(he)用(yong)户评价(jia)度而研(yan)制(zhi)的(de)(de)分布式局(ju)部(bu)(bu)放(fang)(fang)电(dian)(dian)(dian)(dian)监测(ce)与评价(jia)系(xi)统(tong)(tong)。本系(xi)统(tong)(tong)集成(cheng)高性能数据采集单元(yuan)、云服务(wu)器、4G/5G传输、边缘计算、分布式组(zu)网、TF-Map分组(zu)筛(shai)选、神经网络(luo)、故障数据库(ku)等先(xian)进技(ji)术(shu)理(li)念，成(cheng)功应用(yong)于(yu)高压电(dian)(dian)(dian)(dian)缆的(de)(de)耐压试验局(ju)部(bu)(bu)放(fang)(fang)电(dian)(dian)(dian)(dian)监测(ce)及带电(dian)(dian)(dian)(dian)状态下短期或(huo)长期重症监护，并通过中国(guo)电(dian)(dian)(dian)(dian)力科学研(yan)究院的(de)(de)检测(ce)认(ren)证(zheng)后(hou)取得了报告(gao)证(zheng)书(shu)（下图(tu)1所(suo)(suo)示(shi)）、甲方指定机构检测(ce)的(de)(de)报告(gao)证(zheng)书(shu)（下图(tu)2所(suo)(suo)示(shi)）。GZPD-2300系(xi)列(lie)分布式GIS耐压同步局(ju)部(bu)(bu)放(fang)(fang)电(dian)(dian)(dian)(dian)监测(ce)与定位系(xi)统(tong)(tong)的(de)(de)功能特点是什么？

4.6智能(neng)分(fen)(fen)析界(jie)面(mian)智能(neng)分(fen)(fen)析界(jie)面(mian)功能(neng)包(bao)括Ø文(wen)件导入；Ø图(tu)(tu)(tu)(tu)(tu)(tu)谱(pu)(pu)(pu)展示(shi)：等效时频(pin)图(tu)(tu)(tu)(tu)(tu)(tu)谱(pu)(pu)(pu)(TF-Map)、主PRPD图(tu)(tu)(tu)(tu)(tu)(tu)谱(pu)(pu)(pu)、子PRPD图(tu)(tu)(tu)(tu)(tu)(tu)谱(pu)(pu)(pu)、脉冲(chong)波(bo)形、波(bo)形频(pin)谱(pu)(pu)(pu)；Ø参数展示(shi)：脉冲(chong)数、平均幅值(zhi)、比较大幅值(zhi)、峰值(zhi)频(pin)率等；Ø分(fen)(fen)组(zu)筛选：添(tian)加分(fen)(fen)组(zu)、删除分(fen)(fen)组(zu)、重置分(fen)(fen)析、合并(bing)分(fen)(fen)组(zu)；（如下图(tu)(tu)(tu)(tu)(tu)(tu)13、14所(suo)示(shi)）Ø放电(dian)(dian)类型识(shi)别。图(tu)(tu)(tu)(tu)(tu)(tu)13：分(fen)(fen)组(zu)筛选-电(dian)(dian)晕(yun)放电(dian)(dian)图(tu)(tu)(tu)(tu)(tu)(tu)14：分(fen)(fen)组(zu)筛选-其他(噪音)五(wu)、产(chan)品案(an)例5.1现(xian)场(chang)安装(a)山东济南220kV黄彩II号线(xian)(b)河(he)南洛阳新(xin)市区的10kV寨门1#(c)山东济南220kV黄屯线(xian)(d)浙江(jiang)绍(shao)兴35kV九水1402线(xian)(e)河(he)北省送变电(dian)(dian)有限(xian)公司高压电(dian)(dian)缆耐压同步(bu)局(ju)(ju)部(bu)放电(dian)(dian)监(jian)测技术服务(wu)图(tu)(tu)(tu)(tu)(tu)(tu)15：现(xian)场(chang)安装及交(jiao)付图(tu)(tu)(tu)(tu)(tu)(tu)片（图(tu)(tu)(tu)(tu)(tu)(tu)a~d为(wei)代(dai)，图(tu)(tu)(tu)(tu)(tu)(tu)e为(wei)第二代(dai)）GZPD-2300系(xi)列分(fen)(fen)布式GIS耐压同步(bu)局(ju)(ju)部(bu)放电(dian)(dian)监(jian)测与定位系(xi)统(tong)的应(ying)用实例。低压局(ju)(ju)部(bu)放电(dian)(dian)仪

局(ju)部(bu)放电是在绝缘系统不连(lian)续(xu)时(shi)引起的。高频局(ju)部(bu)放电危(wei)害(hai)包括(kuo)

3、悬浮(fu)放(fang)(fang)电(dian)(dian)例如(ru)静电(dian)(dian)屏蔽和其它浮(fu)动(dong)部(bu)(bu)件。由松动(dong)或(huo)(huo)(huo)浮(fu)动(dong)部(bu)(bu)件产(chan)(chan)(chan)生的(de)(de)(de)放(fang)(fang)电(dian)(dian)可能性很大，通常易于检测，放(fang)(fang)电(dian)(dian)趋向于反复(fu)，其放(fang)(fang)电(dian)(dian)电(dian)(dian)荷在nC到gC间(jian)(jian)转变(bian)。4、气隙(xi)放(fang)(fang)电(dian)(dian)绝(jue)(jue)缘(yuan)(yuan)(yuan)子(zi)制造时(shi)造成的(de)(de)(de)内(nei)部(bu)(bu)空隙(xi)和实验闪络引起的(de)(de)(de)表面(mian)痕迹(ji)，还包括或(huo)(huo)(huo)是因电(dian)(dian)极的(de)(de)(de)表面(mian)粗糙或(huo)(huo)(huo)是来自制造时(shi)嵌入的(de)(de)(de)金(jin)属微粒。此外因环(huan)氧树(shu)脂(zhi)与金(jin)属电(dian)(dian)极的(de)(de)(de)收缩(suo)系(xi)数(shu)不(bu)同，也(ye)会(hui)形成气泡或(huo)(huo)(huo)空隙(xi)。这(zhei)些(xie)GIS的(de)(de)(de)绝(jue)(jue)缘(yuan)(yuan)(yuan)缺(que)陷类型(xing)极有可能会(hui)在GIS中产(chan)(chan)(chan)生局(ju)部(bu)(bu)放(fang)(fang)电(dian)(dian)，在绝(jue)(jue)缘(yuan)(yuan)(yuan)体中的(de)(de)(de)局(ju)部(bu)(bu)放(fang)(fang)电(dian)(dian)甚(shen)至(zhi)会(hui)腐蚀绝(jue)(jue)缘(yuan)(yuan)(yuan)材料，进一步发展(zhan)成为树(shu)枝，并导致绝(jue)(jue)缘(yuan)(yuan)(yuan)击穿。5、盆(pen)(pen)式(shi)绝(jue)(jue)缘(yuan)(yuan)(yuan)子(zi)沿(yan)面(mian)放(fang)(fang)电(dian)(dian)当GIS长(zhang)期(qi)运行中在盆(pen)(pen)式(shi)绝(jue)(jue)缘(yuan)(yuan)(yuan)子(zi)的(de)(de)(de)表面(mian)难免会(hui)沉(chen)积一些(xie)尘埃，会(hui)改变(bian)盆(pen)(pen)式(shi)绝(jue)(jue)缘(yuan)(yuan)(yuan)子(zi)的(de)(de)(de)电(dian)(dian)场分(fen)布，从而(er)在物(wu)体表面(mian)产(chan)(chan)(chan)生爬电(dian)(dian)(污(wu)闪)现象；而(er)长(zhang)时(shi)间(jian)(jian)的(de)(de)(de)污(wu)闪会(hui)加速(su)盆(pen)(pen)式(shi)绝(jue)(jue)缘(yuan)(yuan)(yuan)子(zi)的(de)(de)(de)老化。高(gao)频局(ju)部(bu)(bu)放(fang)(fang)电(dian)(dian)危害包括

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