?強大的TF-Map篩選(xuan)功(gong)能(neng)，可根據(ju)等效時(shi)頻圖(tu)(tu)譜(TF-Map)分布情況(kuang)，框(kuang)選(xuan)并(bing)禁(jin)用噪(zao)聲(sheng)及(ji)(ji)干擾(rao)信(xin)(xin)號區間(jian)，實時(shi)實現采集過程中的信(xin)(xin)噪(zao)分離(li)；（如下圖(tu)(tu)5所示）圖(tu)(tu)5：TF-Map篩選(xuan)功(gong)能(neng)?內置電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)典型(xing)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)類(lei)型(xing)數(shu)據(ju)庫及(ji)(ji)**識別(bie)(bie)系(xi)統，結合神經(jing)網絡、放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)特征(zheng)參(can)量(liang)實現絕緣缺陷(xian)類(lei)型(xing)識別(bie)(bie)；（如下頁圖(tu)(tu)6所示）(a)高(gao)(gao)電(dian)(dian)(dian)(dian)位(wei)電(dian)(dian)(dian)(dian)暈放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(b)低電(dian)(dian)(dian)(dian)位(wei)電(dian)(dian)(dian)(dian)暈放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(c)內部(bu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(d)沿面(mian)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(e)懸浮放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)圖(tu)(tu)6：典型(xing)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)類(lei)型(xing)的樣本(ben)數(shu)據(ju)庫(部(bu)分)?具(ju)備分組篩選(xuan)功(gong)能(neng)，基于放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)脈沖波形特征(zheng)形成放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)TF-Map，根據(ju)TF-Map技術分離(li)多源放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)及(ji)(ji)噪(zao)音的信(xin)(xin)號，并(bing)完成放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)類(lei)型(xing)或噪(zao)音識別(bie)(bie)；(如下頁圖(tu)(tu)7所示)圖(tu)(tu)7：基于分組篩選(xuan)的多源缺陷(xian)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)信(xin)(xin)號和噪(zao)音信(xin)(xin)號分離(li)及(ji)(ji)識別(bie)(bie)高(gao)(gao)壓電(dian)(dian)(dian)(dian)纜(lan)的局部(bu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)監(jian)測(ce)試驗(yan)如何提高(gao)(gao)工作人員的安全性？高(gao)(gao)頻局部(bu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)危害包(bao)括(kuo)

八、使用(yong)方(fang)(fang)法(fa)1、將(jiang)(jiang)控制臺(tai)(tai)輸(shu)(shu)出(chu)接至(zhi)試(shi)驗變(bian)壓器(qi)的輸(shu)(shu)入，將(jiang)(jiang)控制臺(tai)(tai)的儀(yi)(yi)(yi)表(biao)輸(shu)(shu)入端接至(zhi)試(shi)驗變(bian)壓器(qi)的儀(yi)(yi)(yi)表(biao)接線(xian)端；2、接入耦合電(dian)(dian)(dian)(dian)容器(qi)、檢測阻(zu)抗盒、電(dian)(dian)(dian)(dian)脈沖局(ju)放(fang)(fang)(fang)(fang)儀(yi)(yi)(yi)或特高(gao)頻局(ju)放(fang)(fang)(fang)(fang)儀(yi)(yi)(yi)；3、放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)模(mo)型(xing)操作(zuo)(zuo)方(fang)(fang)法(fa)3.1放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)模(mo)型(xing)下(xia)降操作(zuo)(zuo)：順時針方(fang)(fang)向旋(xuan)(xuan)轉手柄，直(zhi)到(dao)手柄旋(xuan)(xuan)轉不動，放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)模(mo)型(xing)接觸(chu)高(gao)壓導電(dian)(dian)(dian)(dian)桿(gan)；3.2放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)模(mo)型(xing)上(shang)升操作(zuo)(zuo)：逆時針方(fang)(fang)向旋(xuan)(xuan)轉手柄，直(zhi)到(dao)手柄旋(xuan)(xuan)轉不動，放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)模(mo)型(xing)升到(dao)比較高(gao)點；3.3放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)模(mo)型(xing)一次只能操作(zuo)(zuo)一個(ge)，其它放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)模(mo)型(xing)必須(xu)旋(xuan)(xuan)轉到(dao)比較高(gao)點；4、牢固接好所有試(shi)驗設備的接地線(xian)；5、檢查無(wu)誤后(hou)(hou)合上(shang)控制臺(tai)(tai)(箱)上(shang)的電(dian)(dian)(dian)(dian)源開(kai)關，電(dian)(dian)(dian)(dian)源指(zhi)示燈(deng)亮；（注：此(ci)時如(ru)調(diao)(diao)壓器(qi)不在(zai)零(ling)位，則將(jiang)(jiang)調(diao)(diao)壓器(qi)調(diao)(diao)回(hui)零(ling)位，零(ling)位指(zhi)示燈(deng)亮。）6、按(an)(an)下(xia)合閘按(an)(an)鈕，輸(shu)(shu)出(chu)接觸(chu)器(qi)合閘，將(jiang)(jiang)電(dian)(dian)(dian)(dian)壓慢慢升高(gao)，直(zhi)到(dao)局(ju)放(fang)(fang)(fang)(fang)儀(yi)(yi)(yi)上(shang)出(chu)現局(ju)放(fang)(fang)(fang)(fang)信號，此(ci)時記錄放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓和局(ju)放(fang)(fang)(fang)(fang)波(bo)形。試(shi)驗完成后(hou)(hou)，將(jiang)(jiang)電(dian)(dian)(dian)(dian)壓降為零(ling)后(hou)(hou)按(an)(an)下(xia)開(kai)關按(an)(an)鈕。低壓局(ju)部放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)儀(yi)(yi)(yi)手持式(shi)局(ju)部放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)監測技術怎么樣(yang)？

目前(qian)普遍使用(yong)(yong)(yong)的(de)(de)(de)(de)電(dian)(dian)纜(lan)絕緣(yuan)性(xing)能評(ping)價方(fang)法主(zhu)要(yao)有交(jiao)直流(liu)耐壓(ya)試驗、**頻(pin)耐壓(ya)試驗及(ji)基于(yu)振蕩波電(dian)(dian)壓(ya)的(de)(de)(de)(de)局部放(fang)電(dian)(dian)和介質損耗測(ce)量(liang)(liang)，以上傳統(tong)方(fang)法*適用(yong)(yong)(yong)于(yu)電(dian)(dian)纜(lan)的(de)(de)(de)(de)離線(xian)(xian)監(jian)(jian)測(ce)，無法應(ying)(ying)用(yong)(yong)(yong)于(yu)運行中電(dian)(dian)纜(lan)的(de)(de)(de)(de)狀(zhuang)態監(jian)(jian)測(ce)。便攜(xie)式(shi)高頻(pin)局部放(fang)電(dian)(dian)監(jian)(jian)測(ce)設(she)備雖適用(yong)(yong)(yong)于(yu)電(dian)(dian)纜(lan)的(de)(de)(de)(de)離線(xian)(xian)和在(zai)(zai)線(xian)(xian)監(jian)(jian)測(ce)，但(dan)由(you)于(yu)放(fang)電(dian)(dian)脈沖信號(hao)微弱(ruo)，且在(zai)(zai)傳輸過程中存在(zai)(zai)衰(shuai)減(每(mei)1km距(ju)離衰(shuai)減約93%左右(you))及(ji)背景噪音干擾，現(xian)場應(ying)(ying)用(yong)(yong)(yong)時需多點(dian)(dian)分(fen)別監(jian)(jian)測(ce)，**終對(dui)測(ce)試結果進(jin)行匯總分(fen)析，存在(zai)(zai)工(gong)作(zuo)量(liang)(liang)大、實時性(xing)差(cha)等(deng)缺點(dian)(dian)。本(ben)文介紹了分(fen)布式(shi)局部放(fang)電(dian)(dian)監(jian)(jian)測(ce)系統(tong)的(de)(de)(de)(de)構成及(ji)其在(zai)(zai)高壓(ya)電(dian)(dian)纜(lan)線(xian)(xian)路交(jiao)接試驗及(ji)在(zai)(zai)線(xian)(xian)重(zhong)癥監(jian)(jian)護(hu)中的(de)(de)(de)(de)應(ying)(ying)用(yong)(yong)(yong)，系統(tong)采用(yong)(yong)(yong)低功耗設(she)計及(ji)無線(xian)(xian)組網(wang)技術，支(zhi)持多點(dian)(dian)同步監(jian)(jian)測(ce)，為長距(ju)離新敷設(she)電(dian)(dian)纜(lan)和疑似問題電(dian)(dian)纜(lan)的(de)(de)(de)(de)故(gu)障(zhang)監(jian)(jian)測(ce)及(ji)絕緣(yuan)性(xing)能評(ping)價提(ti)出(chu)解(jie)決方(fang)案。

GZPD-4D/3型（13年至今已是(shi)第三(san)代；本文皆以三(san)通(tong)道的(de)(de)(de)GZPD-4D/3型為例(li)）是(shi)我(wo)公司結合多年局(ju)放監(jian)(jian)測技術研發及(ji)工程技術服務的(de)(de)(de)豐富經驗、吸取(qu)GZPD-234/3型及(ji)國內(nei)外類似產品的(de)(de)(de)技術亮點和用(yong)戶評(ping)價度而研制(zhi)的(de)(de)(de)分布式局(ju)部放電監(jian)(jian)測與評(ping)價系(xi)統。本系(xi)統集成(cheng)高(gao)性能數據采集單元、云服務器(qi)、4G/5G傳輸、邊緣計(ji)算、分布式組網(wang)、TF-Map分組篩選(xuan)、神經網(wang)絡、故障數據庫等(deng)先(xian)進技術理念，成(cheng)功應用(yong)于(yu)高(gao)壓電纜的(de)(de)(de)耐壓試(shi)驗局(ju)部放電監(jian)(jian)測及(ji)帶(dai)電狀(zhuang)態下短期或長期重癥(zheng)監(jian)(jian)護，并通(tong)過中國電力科學研究院的(de)(de)(de)檢測認(ren)證后取(qu)得了報告證書（下圖1所示）、甲方指定機構檢測的(de)(de)(de)報告證書（下圖2所示）。GZPD-2300系(xi)列分布式GIS耐壓同步局(ju)部放電監(jian)(jian)測與定位系(xi)統的(de)(de)(de)功能特(te)點是(shi)什么？

4.6智能(neng)分(fen)析(xi)界面(mian)智能(neng)分(fen)析(xi)界面(mian)功能(neng)包括?文件導(dao)入(ru)；?圖(tu)譜(pu)展示(shi)：等效時(shi)頻圖(tu)譜(pu)(TF-Map)、主PRPD圖(tu)譜(pu)、子(zi)PRPD圖(tu)譜(pu)、脈(mo)沖波(bo)形、波(bo)形頻譜(pu)；?參(can)數展示(shi)：脈(mo)沖數、平均幅(fu)值、比(bi)較大幅(fu)值、峰(feng)值頻率(lv)等；?分(fen)組(zu)篩選(xuan)：添加分(fen)組(zu)、刪除分(fen)組(zu)、重置分(fen)析(xi)、合并(bing)分(fen)組(zu)；（如下圖(tu)13、14所示(shi)）?放電(dian)(dian)(dian)類型識別(bie)。圖(tu)13：分(fen)組(zu)篩選(xuan)-電(dian)(dian)(dian)暈放電(dian)(dian)(dian)圖(tu)14：分(fen)組(zu)篩選(xuan)-其(qi)他(噪音)五、產品案例5.1現場安裝(zhuang)(a)山東(dong)濟(ji)南220kV黃彩II號線(xian)(b)河南洛陽新(xin)市區(qu)的10kV寨門1#(c)山東(dong)濟(ji)南220kV黃屯線(xian)(d)浙江紹興35kV九水1402線(xian)(e)河北省(sheng)送變電(dian)(dian)(dian)有(you)限公司高壓(ya)電(dian)(dian)(dian)纜(lan)耐壓(ya)同(tong)步局部放電(dian)(dian)(dian)監測技(ji)術服(fu)務圖(tu)15：現場安裝(zhuang)及交付圖(tu)片（圖(tu)a~d為代，圖(tu)e為第二代）GZPD-2300系列(lie)分(fen)布式GIS耐壓(ya)同(tong)步局部放電(dian)(dian)(dian)監測與定位系統的應用實(shi)例。低壓(ya)局部放電(dian)(dian)(dian)儀

局(ju)部放電(dian)是在(zai)絕緣系統不連續(xu)時引起的。高頻局(ju)部放電(dian)危(wei)害包括

3、懸浮(fu)放(fang)電(dian)(dian)(dian)例如靜電(dian)(dian)(dian)屏蔽和(he)其它浮(fu)動(dong)(dong)部(bu)(bu)(bu)件(jian)。由松動(dong)(dong)或浮(fu)動(dong)(dong)部(bu)(bu)(bu)件(jian)產生的(de)放(fang)電(dian)(dian)(dian)可能性很大，通常易于檢(jian)測，放(fang)電(dian)(dian)(dian)趨向(xiang)于反復，其放(fang)電(dian)(dian)(dian)電(dian)(dian)(dian)荷在(zai)(zai)nC到gC間轉變(bian)。4、氣隙放(fang)電(dian)(dian)(dian)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)子(zi)制造時造成的(de)內部(bu)(bu)(bu)空隙和(he)實(shi)驗閃(shan)(shan)絡引起的(de)表(biao)(biao)面(mian)(mian)痕跡(ji)，還包括或是(shi)因(yin)電(dian)(dian)(dian)極(ji)的(de)表(biao)(biao)面(mian)(mian)粗糙或是(shi)來(lai)自制造時嵌(qian)入的(de)金屬微粒。此(ci)外因(yin)環氧樹(shu)脂與金屬電(dian)(dian)(dian)極(ji)的(de)收縮系(xi)數不同，也會(hui)形成氣泡或空隙。這些GIS的(de)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)缺陷類型極(ji)有可能會(hui)在(zai)(zai)GIS中產生局(ju)部(bu)(bu)(bu)放(fang)電(dian)(dian)(dian)，在(zai)(zai)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)體(ti)中的(de)局(ju)部(bu)(bu)(bu)放(fang)電(dian)(dian)(dian)甚至會(hui)腐蝕絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)材(cai)料(liao)，進(jin)一步發展成為樹(shu)枝，并導致絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)擊穿。5、盆式(shi)(shi)(shi)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)子(zi)沿(yan)面(mian)(mian)放(fang)電(dian)(dian)(dian)當(dang)GIS長(chang)期(qi)運(yun)行中在(zai)(zai)盆式(shi)(shi)(shi)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)子(zi)的(de)表(biao)(biao)面(mian)(mian)難免會(hui)沉積一些塵埃(ai)，會(hui)改(gai)變(bian)盆式(shi)(shi)(shi)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)子(zi)的(de)電(dian)(dian)(dian)場分布，從而(er)在(zai)(zai)物體(ti)表(biao)(biao)面(mian)(mian)產生爬電(dian)(dian)(dian)(污閃(shan)(shan))現象；而(er)長(chang)時間的(de)污閃(shan)(shan)會(hui)加速盆式(shi)(shi)(shi)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)子(zi)的(de)老化。高(gao)頻(pin)局(ju)部(bu)(bu)(bu)放(fang)電(dian)(dian)(dian)危(wei)害包括

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