局(ju)(ju)(ju)放(fang)(fang)檢(jian)(jian)測(ce)(ce)儀(yi)(yi)調(diao)試(shi)(shi)過程中常見注意事(shi)項(xiang)：局(ju)(ju)(ju)放(fang)(fang)檢(jian)(jian)測(ce)(ce)儀(yi)(yi)（數(shu)字局(ju)(ju)(ju)放(fang)(fang)儀(yi)(yi)）適用(yong)于(yu)變(bian)壓(ya)器(qi)、GIS、開關柜、電(dian)(dian)纜(lan)、避雷器(qi)、互感器(qi)等高(gao)壓(ya)電(dian)(dian)氣設備的(de)(de)(de)局(ju)(ju)(ju)放(fang)(fang)帶電(dian)(dian)巡檢(jian)(jian)。電(dian)(dian)氣測(ce)(ce)試(shi)(shi)對局(ju)(ju)(ju)放(fang)(fang)檢(jian)(jian)測(ce)(ce)儀(yi)(yi)調(diao)試(shi)(shi)的(de)(de)(de)要求是比較嚴格的(de)(de)(de)，下(xia)面(mian)我(wo)們來看局(ju)(ju)(ju)放(fang)(fang)檢(jian)(jian)測(ce)(ce)儀(yi)(yi)調(diao)試(shi)(shi)過程中常見的(de)(de)(de)注意事(shi)項(xiang)。（1）試(shi)(shi)驗(yan)前，試(shi)(shi)品(pin)(pin)的(de)(de)(de)絕緣(yuan)表面(mian)（尤其是高(gao)壓(ya)端(duan)）應作清潔化處理（2）各連接(jie)點應接(jie)觸良好，尤其是高(gao)壓(ya)端(duan)不(bu)要留下(xia)尖銳(rui)的(de)(de)(de)接(jie)點，高(gao)壓(ya)導線應盡(jin)可(ke)(ke)能(neng)粗以(yi)防電(dian)(dian)暈，可(ke)(ke)用(yong)蛇(she)皮管。（3）輸入(ru)單(dan)元要盡(jin)量靠近(jin)試(shi)(shi)品(pin)(pin)，而(er)且接(jie)地(di)要可(ke)(ke)靠，（4）編織(zhi)銅帶。主機也(ye)須接(jie)地(di)，以(yi)保證安全。（5）試(shi)(shi)驗(yan)回路(lu)盡(jin)可(ke)(ke)能(neng)緊湊。即(ji)高(gao)壓(ya)連線盡(jin)可(ke)(ke)能(neng)短(duan)，試(shi)(shi)驗(yan)回路(lu)所圍(wei)面(mian)積盡(jin)可(ke)(ke)能(neng)小(xiao)(xiao)。（6）在(zai)進行110KV及以(yi)上等級的(de)(de)(de)局(ju)(ju)(ju)放(fang)(fang)試(shi)(shi)驗(yan)時，試(shi)(shi)品(pin)(pin)周圍(wei)的(de)(de)(de)懸(xuan)浮(fu)金屬物體應妥(tuo)善接(jie)地(di)。（7）考慮到油(you)浸式試(shi)(shi)品(pin)(pin)局(ju)(ju)(ju)部放(fang)(fang)電(dian)(dian)存在(zai)滯后效應，因此在(zai)局(ju)(ju)(ju)放(fang)(fang)試(shi)(shi)驗(yan)前幾小(xiao)(xiao)時，不(bu)要對試(shi)(shi)品(pin)(pin)施加超過局(ju)(ju)(ju)部放(fang)(fang)電(dian)(dian)試(shi)(shi)驗(yan)電(dian)(dian)壓(ya)的(de)(de)(de)高(gao)電(dian)(dian)壓(ya)。變(bian)壓(ya)器(qi)局(ju)(ju)(ju)放(fang)(fang)的(de)(de)(de)基礎知(zhi)識(shi)。廣州超聲波局(ju)(ju)(ju)放(fang)(fang)檢(jian)(jian)測(ce)(ce)標準

局放(fang)檢(jian)測系統具有哪(na)些優勢？軟硬(ying)(ying)件完全自主知(zhi)識產權；硬(ying)(ying)件采樣率高達100MS/s，可(ke)還原完整放(fang)電(dian)(dian)脈沖信(xin)(xin)號波(bo)形；HFCT頻帶覆蓋200kHz-50MHz范(fan)圍；光纖組(zu)網(wang)技(ji)術，即(ji)(ji)插即(ji)(ji)用，完全電(dian)(dian)氣隔離，長度(du)可(ke)達20km；3G/4G組(zu)網(wang)技(ji)術，應(ying)用靈活；電(dian)(dian)池供電(dian)(dian)，不受供電(dian)(dian)電(dian)(dian)源噪聲影響；全中文操作和專(zhuan)家(jia)分析軟件，具有圖譜、時(shi)頻域(yu)多(duo)種分析功能。怎么分析是否存(cun)在疑似局放(fang)信(xin)(xin)號？頻率ｆ：同一個(ge)(ge)信(xin)(xin)號群出現在數(shu)個(ge)(ge)不連續(xu)(xu)的頻率→明(ming)(ming)顯PD特(te)征(zheng)；密度(du)ｎ：兩(liang)個(ge)(ge)信(xin)(xin)號集(ji)中點(dian)(dian)有黃色即(ji)(ji)ｎ＞30 → 具有PD特(te)征(zheng)；相(xiang)位φ：兩(liang)個(ge)(ge)信(xin)(xin)號集(ji)中點(dian)(dian)的相(xiang)位差為(wei)180°→ 明(ming)(ming)顯PD特(te)征(zheng)；時(shi)間(jian)(jian)ｔ：一旦發生后(hou)則斷續(xu)(xu)或連續(xu)(xu)出現 → 明(ming)(ming)顯PD特(te)征(zheng)；首(shou)波(bo)上(shang)升沿時(shi)間(jian)(jian)ｔ：上(shang)升沿時(shi)間(jian)(jian)在幾(ji)十個(ge)(ge)ns→ 明(ming)(ming)顯PD特(te)征(zheng)。廣州局放(fang)貼牌應(ying)用超(chao)聲波(bo)局放(fang)巡(xun)檢(jian)儀為(wei)多(duo)信(xin)(xin)號通道、臺式、液晶顯示，系統可(ke)靠，故障(zhang)率低。

在(zai)做局(ju)(ju)放(fang)(fang)(fang)時(shi)如何(he)防(fang)止(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)?大家都知道(dao)，在(zai)做局(ju)(ju)放(fang)(fang)(fang)局(ju)(ju)部(bu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)會伴隨著(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，為了(le)防(fang)范電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，我們(men)首先要知道(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)是任(ren)何(he)形(xing)(xing)(xing)(xing)成的(de)。直(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)作(zuo)用下，正負(fu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)極(ji)(ji)(ji)均在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)附近(jin)聚集(ji)起(qi)空間(jian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷。在(zai)負(fu)極(ji)(ji)(ji)性電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)中，當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)碰撞電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)離(li)(li)后，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)被驅(qu)往遠離(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)的(de)空間(jian)，并形(xing)(xing)(xing)(xing)成負(fu)離(li)(li)子(zi)(zi)，在(zai)靠近(jin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)表(biao)面(mian)(mian)則聚集(ji)奇(qi)正離(li)(li)子(zi)(zi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場繼續(xu)加強時(shi)，正離(li)(li)子(zi)(zi)被吸進電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)，此時(shi)出(chu)現(xian)一脈(mo)沖電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，負(fu)離(li)(li)子(zi)(zi)則擴散到間(jian)隙(xi)空間(jian)。此后又重復(fu)開始下一個電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)離(li)(li)及帶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)粒子(zi)(zi)運動過程(cheng)。如此循(xun)環(huan)，以致出(chu)現(xian)許多(duo)脈(mo)沖形(xing)(xing)(xing)(xing)式的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。若電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)繼續(xu)升(sheng)高(gao)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)脈(mo)沖頻率增加、負(fu)值增大，轉變為附輝光(guang)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)再升(sheng)高(gao)，出(chu)現(xian)負(fu)流(liu)(liu)注(zhu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，因其形(xing)(xing)(xing)(xing)狀又稱羽狀放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)或(huo)稱刷(shua)狀放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。當負(fu)流(liu)(liu)注(zhu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)得以繼續(xu)發展到對(dui)面(mian)(mian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)時(shi)，會導致火(huo)花放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，使整(zheng)個間(jian)隙(xi)擊(ji)穿(chuan)。正極(ji)(ji)(ji)性電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)附近(jin)也(ye)分布著(zhu)正離(li)(li)子(zi)(zi)，但不斷被推斥向間(jian)隙(xi)空間(jian)，而電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)則被吸進電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)，同樣形(xing)(xing)(xing)(xing)成重復(fu)脈(mo)沖電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)(yun)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)繼續(xu)升(sheng)高(gao)時(shi)，出(chu)現(xian)流(liu)(liu)注(zhu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，并可導致間(jian)隙(xi)擊(ji)穿(chuan)。

局(ju)(ju)(ju)放(fang)檢(jian)(jian)(jian)測(ce)(ce)(ce)儀(yi)電力(li)(li)方面(mian)應用(yong)(yong)與特點：局(ju)(ju)(ju)放(fang)檢(jian)(jian)(jian)測(ce)(ce)(ce)儀(yi)電力(li)(li)方面(mian)應用(yong)(yong)：任(ren)何(he)形式的(de)局(ju)(ju)(ju)放(fang)檢(jian)(jian)(jian)測(ce)(ce)(ce)定位，電弧、電痕和(he)電暈檢(jian)(jian)(jian)測(ce)(ce)(ce)；電氣設備變壓器(qi)(qi)、開關(guan)柜、環網(wang)柜、電纜(lan)頭、絕(jue)緣(yuan)子、斷路器(qi)(qi)、母(mu)線(xian)套管、CT/PT、電抗器(qi)(qi)、GIS/GCB、電源柜、通訊柜等(deng)局(ju)(ju)(ju)放(fang)檢(jian)(jian)(jian)測(ce)(ce)(ce)；SF6泄漏(lou)檢(jian)(jian)(jian)測(ce)(ce)(ce)；氣動系(xi)統(tong)泄漏(lou)檢(jian)(jian)(jian)測(ce)(ce)(ce)；機械(xie)故障(zhang)檢(jian)(jian)(jian)測(ce)(ce)(ce)等(deng)。產品特點：1.能(neng)(neng)夠先(xian)于其它檢(jian)(jian)(jian)測(ce)(ce)(ce)手段(duan)如紅外(wai)檢(jian)(jian)(jian)測(ce)(ce)(ce)而檢(jian)(jian)(jian)測(ce)(ce)(ce)到早期的(de)故障(zhang)現象。2.靈敏度高，能(neng)(neng)探測(ce)(ce)(ce)類似眨眼的(de)微弱信號(hao)。3.抗干擾能(neng)(neng)力(li)(li)強，能(neng)(neng)在復雜(za)環境(jing)使用(yong)(yong)。4.便(bian)攜式設備，攜帶方便(bian)，操作(zuo)簡(jian)單。5.通過(guo)長距(ju)(ju)探頭或超聲波(bo)遠(yuan)距(ju)(ju)接收器(qi)(qi)可以極大增加儀(yi)器(qi)(qi)的(de)檢(jian)(jian)(jian)測(ce)(ce)(ce)距(ju)(ju)離(li)可以檢(jian)(jian)(jian)測(ce)(ce)(ce)30米以上的(de)距(ju)(ju)離(li)，可以檢(jian)(jian)(jian)測(ce)(ce)(ce)45米以上的(de)距(ju)(ju)離(li)）局(ju)(ju)(ju)放(fang)試驗常見問題解析。

主要(yao)是(shi)(shi)依據《電(dian)(dian)(dian)(dian)力(li)設備交(jiao)(jiao)接和(he)預防性(xing)試驗(yan)(yan)(yan)規程》所規定的(de)(de)(de)項(xiang)目(mu)和(he)試驗(yan)(yan)(yan)周期，定期在(zai)(zai)(zai)停(ting)電(dian)(dian)(dian)(dian)狀態(tai)下(xia)(xia)進行(xing)(xing)絕緣性(xing)能試驗(yan)(yan)(yan)。其(qi)中變頻(pin)串(chuan)(chuan)(chuan)聯諧(xie)振(zhen)(zhen)試驗(yan)(yan)(yan)由(you)于試驗(yan)(yan)(yan)狀況接近電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)運行(xing)(xing)工況，因(yin)(yin)此成(cheng)為國內目(mu)前(qian)應用(yong)(yong)(yong)比較好(hao)的(de)(de)(de)試驗(yan)(yan)(yan)方(fang)(fang)法(fa)(fa)。但(dan)大量試驗(yan)(yan)(yan)及(ji)經(jing)(jing)驗(yan)(yan)(yan)表明，串(chuan)(chuan)(chuan)聯諧(xie)振(zhen)(zhen)耐壓(ya)(ya)(ya)試驗(yan)(yan)(yan)無法(fa)(fa)對電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)整體絕緣的(de)(de)(de)狀態(tai)進行(xing)(xing)定量評(ping)估，一些通過串(chuan)(chuan)(chuan)聯諧(xie)振(zhen)(zhen)耐壓(ya)(ya)(ya)試驗(yan)(yan)(yan)的(de)(de)(de)高(gao)(gao)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)在(zai)(zai)(zai)短期內仍有放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)擊穿的(de)(de)(de)現象。經(jing)(jing)過長(chang)期對高(gao)(gao)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)研究試驗(yan)(yan)(yan)和(he)實(shi)踐(jian)，認為局部放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)是(shi)(shi)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)絕緣故障的(de)(de)(de)先兆，有效檢(jian)測局部放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)是(shi)(shi)提(ti)高(gao)(gao)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)狀態(tai)檢(jian)修水平的(de)(de)(de)一種重要(yao)途(tu)徑。振(zhen)(zhen)蕩(dang)波電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)局放(fang)(fang)(fang)診(zhen)(zhen)斷(duan)與(yu)定位系統（簡稱OWTS系統）是(shi)(shi)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)"狀態(tai)檢(jian)修"的(de)(de)(de)一種新方(fang)(fang)法(fa)(fa)。但(dan)此方(fang)(fang)法(fa)(fa)是(shi)(shi)先對XLPE電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)施加(jia)直(zhi)流(liu)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，利用(yong)(yong)(yong)形(xing)成(cheng)的(de)(de)(de)阻尼振(zhen)(zhen)蕩(dang)波條件下(xia)(xia)的(de)(de)(de)局放(fang)(fang)(fang)進行(xing)(xing)診(zhen)(zhen)斷(duan)與(yu)定位；而XLPE電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)直(zhi)流(liu)耐壓(ya)(ya)(ya)試驗(yan)(yan)(yan)容(rong)易(yi)引起電(dian)(dian)(dian)(dian)荷(he)積聚，電(dian)(dian)(dian)(dian)荷(he)積聚對電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)是(shi)(shi)有隱性(xing)傷害并且也易(yi)于產生假(jia)局放(fang)(fang)(fang)信(xin)號，此方(fang)(fang)法(fa)(fa)的(de)(de)(de)使用(yong)(yong)(yong)是(shi)(shi)值得進一步探討的(de)(de)(de)。因(yin)(yin)此我們(men)開發出(chu)交(jiao)(jiao)流(liu)衰(shuai)減阻尼振(zhen)(zhen)蕩(dang)波局放(fang)(fang)(fang)測試裝置,生產的(de)(de)(de)本裝置采用(yong)(yong)(yong)交(jiao)(jiao)流(liu)高(gao)(gao)壓(ya)(ya)(ya)源，在(zai)(zai)(zai)交(jiao)(jiao)流(liu)變頻(pin)串(chuan)(chuan)(chuan)聯諧(xie)振(zhen)(zhen)耐壓(ya)(ya)(ya)裝置上，附加(jia)峰值同(tong)步信(xin)號使串(chuan)(chuan)(chuan)聯諧(xie)振(zhen)(zhen)回路在(zai)(zai)(zai)峰值時(shi)停(ting)止(zhi)功(gong)率輸出(chu)，并同(tong)時(shi)閉(bi)合高(gao)(gao)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)子(zi)開關，形(xing)成(cheng)振(zhen)(zhen)蕩(dang)波阻尼振(zhen)(zhen)蕩(dang)，進行(xing)(xing)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)局部放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)測試。超(chao)聲(sheng)波局放(fang)(fang)(fang)巡(xun)檢(jian)儀具有檢(jian)測溫(wen)度(du)和(he)濕度(du)的(de)(de)(de)功(gong)能，可實(shi)時(shi)檢(jian)測環境溫(wen)濕度(du)。廣州超(chao)聲(sheng)波局放(fang)(fang)(fang)檢(jian)測標(biao)準

局放(fang)(fang)測試儀的放(fang)(fang)電檢測體系能感測出工作設備故障、振蕩、走漏及電氣部分放(fang)(fang)電所發作的高頻信號。廣州超(chao)聲波局放(fang)(fang)檢測標準

局(ju)(ju)部放(fang)電(dian)(dian)檢測(ce)儀局(ju)(ju)放(fang)試驗(yan)(yan)通用(yong)試驗(yan)(yan)方案：試驗(yan)(yan)目(mu)的(de)：證實試品在(zai)規(gui)定(ding)(ding)(ding)電(dian)(dian)壓(ya)下沒有高于(yu)(yu)規(gui)定(ding)(ding)(ding)值之局(ju)(ju)部放(fang)電(dian)(dian)；測(ce)定(ding)(ding)(ding)電(dian)(dian)壓(ya)上升時(shi)(shi)出現放(fang)電(dian)(dian)超過某一規(gui)定(ding)(ding)(ding)值時(shi)(shi)的(de)較(jiao)(jiao)低電(dian)(dian)壓(ya)(起始放(fang)電(dian)(dian)電(dian)(dian)壓(ya))和電(dian)(dian)壓(ya)下降(jiang)時(shi)(shi)放(fang)電(dian)(dian)低于(yu)(yu)規(gui)定(ding)(ding)(ding)值時(shi)(shi)較(jiao)(jiao)高電(dian)(dian)壓(ya)(終止放(fang)電(dian)(dian)電(dian)(dian)壓(ya))。測(ce)定(ding)(ding)(ding)在(zai)某一規(gui)定(ding)(ding)(ding)電(dian)(dian)壓(ya)下的(de)放(fang)電(dian)(dian)強度。試驗(yan)(yan)條件(jian)：交流(liu)電(dian)(dian)源電(dian)(dian)壓(ya)應為(wei)正(zheng)弦波(bo)，不應有過大的(de)高次諧波(bo)。試品的(de)電(dian)(dian)氣、機械、溫度條件(jian)應良好且穩定(ding)(ding)(ding)。由于(yu)(yu)電(dian)(dian)壓(ya)回滯現象的(de)影(ying)響，在(zai)試驗(yan)(yan)前至少幾小(xiao)時(shi)(shi)以(yi)上的(de)時(shi)(shi)間內，不要承受(shou)超過規(gui)定(ding)(ding)(ding)的(de)局(ju)(ju)部放(fang)電(dian)(dian)試驗(yan)(yan)電(dian)(dian)壓(ya)較(jiao)(jiao)高值以(yi)上的(de)電(dian)(dian)壓(ya)。廣州超聲波(bo)局(ju)(ju)放(fang)檢測(ce)標(biao)準

南京方(fang)(fang)(fang)德(de)瑞(rui)(rui)能電(dian)力(li)(li)科技(ji)(ji)有(you)限公(gong)司(si)位于八(ba)卦洲街道東江路A棟辦公(gong)樓(lou)5-1088，擁(yong)有(you)一支專業的技(ji)(ji)術(shu)(shu)(shu)(shu)團(tuan)隊。方(fang)(fang)(fang)德(de)瑞(rui)(rui)能是南京方(fang)(fang)(fang)德(de)瑞(rui)(rui)能電(dian)力(li)(li)科技(ji)(ji)有(you)限公(gong)司(si)的主營品(pin)(pin)牌，是專業的電(dian)力(li)(li)技(ji)(ji)術(shu)(shu)(shu)(shu)研(yan)(yan)發(fa)、技(ji)(ji)術(shu)(shu)(shu)(shu)咨詢、技(ji)(ji)術(shu)(shu)(shu)(shu)服務；電(dian)力(li)(li)設備、高(gao)低壓設備、儀(yi)(yi)器儀(yi)(yi)表(biao)、電(dian)子(zi)(zi)元器件(jian)技(ji)(ji)術(shu)(shu)(shu)(shu)研(yan)(yan)發(fa)、技(ji)(ji)術(shu)(shu)(shu)(shu)服務、設計(ji)、銷售(shou)(shou)；電(dian)力(li)(li)工程(cheng)設計(ji)；工程(cheng)咨詢；電(dian)力(li)(li)系(xi)統軟(ruan)件(jian)銷售(shou)(shou)。（依法須經批準的項(xiang)目，經相(xiang)關(guan)(guan)部(bu)門批準后方(fang)(fang)(fang)可(ke)(ke)開(kai)展(zhan)經營活(huo)動）公(gong)司(si)，擁(yong)有(you)自己的技(ji)(ji)術(shu)(shu)(shu)(shu)體系(xi)。我公(gong)司(si)擁(yong)有(you)強(qiang)大(da)的技(ji)(ji)術(shu)(shu)(shu)(shu)實力(li)(li)，多年來一直專注于電(dian)力(li)(li)技(ji)(ji)術(shu)(shu)(shu)(shu)研(yan)(yan)發(fa)、技(ji)(ji)術(shu)(shu)(shu)(shu)咨詢、技(ji)(ji)術(shu)(shu)(shu)(shu)服務；電(dian)力(li)(li)設備、高(gao)低壓設備、儀(yi)(yi)器儀(yi)(yi)表(biao)、電(dian)子(zi)(zi)元器件(jian)技(ji)(ji)術(shu)(shu)(shu)(shu)研(yan)(yan)發(fa)、技(ji)(ji)術(shu)(shu)(shu)(shu)服務、設計(ji)、銷售(shou)(shou)；電(dian)力(li)(li)工程(cheng)設計(ji)；工程(cheng)咨詢；電(dian)力(li)(li)系(xi)統軟(ruan)件(jian)銷售(shou)(shou)。（依法須經批準的項(xiang)目，經相(xiang)關(guan)(guan)部(bu)門批準后方(fang)(fang)(fang)可(ke)(ke)開(kai)展(zhan)經營活(huo)動）的發(fa)展(zhan)和創(chuang)新，打(da)造高(gao)指標產品(pin)(pin)和服務。自公(gong)司(si)成立以來，一直秉承“以質(zhi)量求(qiu)(qiu)生存，以信譽求(qiu)(qiu)發(fa)展(zhan)”的經營理念，始終(zhong)堅持以客戶的需求(qiu)(qiu)和滿意為重點，為客戶提供良好的微機保護，弧光保護，測溫(wen)產品(pin)(pin)，電(dian)力(li)(li)監(jian)控系(xi)統及云(yun)平(ping)臺(tai)，從而使公(gong)司(si)不斷發(fa)展(zhan)壯大(da)。

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