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簡要描述:電(dian)(dian)纜打耐(nai)(nai)壓(ya)(ya)(ya)試驗(yan)設備\耐(nai)(nai)壓(ya)(ya)(ya)測試儀具有諧振電(dian)(dian)路(lu)的無(wu)線(xian)電(dian)(dian)設備,用于完成(cheng)調諧、濾波和其它功能(neng),電(dian)(dian)力系統(tong)需(xu)要防止共振,以(yi)避免(mian)過電(dian)(dian)流和過電(dian)(dian)壓(ya)(ya)(ya)。
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電(dian)(dian)纜耐(nai)壓(ya)測(ce)試(shi)(shi)(shi)儀(yi)HTXZB廣泛應用(yong)于電(dian)(dian)力、冶金、石油、化工、等(deng)(deng)行業,適用(yong)于大(da)容量(liang)、高(gao)(gao)(gao)電(dian)(dian)壓(ya)的(de)電(dian)(dian)容性(xing)試(shi)(shi)(shi)品,如發(fa)電(dian)(dian)機、變壓(ya)器(qi)、GIS、高(gao)(gao)(gao)壓(ya)交聯(lian)電(dian)(dian)纜、互感器(qi)、套管等(deng)(deng)的(de)交接實驗(yan)(yan)和(he)預防性(xing)試(shi)(shi)(shi)驗(yan)(yan)。本(ben)公司在變頻(pin)串聯(lian)諧振高(gao)(gao)(gao)壓(ya)試(shi)(shi)(shi)驗(yan)(yan)領域(yu)自主研發(fa)的(de)變頻(pin)、調壓(ya)軟(ruan)件技術,于國(guo)內高(gao)(gao)(gao)壓(ya)試(shi)(shi)(shi)驗(yan)(yan)行業,利用(yong)這一(yi)技術采用(yong)16位精細變頻(pin)、10KHZ載波頻(pin)率、SPWM和(he)進口原(yuan)裝(zhuang)IPM整(zheng)體(ti)模塊設(she)計、制(zhi)造的(de)電(dian)(dian)纜耐(nai)壓(ya)試(shi)(shi)(shi)驗(yan)(yan)設(she)備,*符合國(guo)家有(you)關(guan)高(gao)(gao)(gao)壓(ya)實驗(yan)(yan)的(de)規程和(he)要求。
工作原理
電纜打耐壓試驗設備\耐壓測試儀運用串并聯諧振(zhen)(zhen)(zhen)的原理,通過(guo)調節(jie)變頻(pin)(pin)控制(zhi)(zhi)器的輸出(chu)頻(pin)(pin)率,使得回(hui)路(lu)中(zhong)的電(dian)(dian)抗(kang)(kang)器的電(dian)(dian)感L和(he)試(shi)(shi)品(pin)電(dian)(dian)容C發生諧振(zhen)(zhen)(zhen),諧振(zhen)(zhen)(zhen)電(dian)(dian)壓即為試(shi)(shi)品(pin)上所加電(dian)(dian)壓。通過(guo)調頻(pin)(pin)控制(zhi)(zhi)器提供供電(dian)(dian)電(dian)(dian)源(yuan),試(shi)(shi)驗電(dian)(dian)壓由勵磁變壓器經過(guo)初步升壓后,使高(gao)電(dian)(dian)壓加在電(dian)(dian)抗(kang)(kang)器L和(he)被(bei)試(shi)(shi)品(pin)CX上,通過(guo)改變調頻(pin)(pin)控制(zhi)(zhi)器的輸出(chu)頻(pin)(pin)率,使回(hui)路(lu)處(chu)于串聯諧振(zhen)(zhen)(zhen)狀(zhuang)態;回(hui)路(lu)的諧振(zhen)(zhen)(zhen)頻(pin)(pin)率取決于被(bei)試(shi)(shi)品(pin)電(dian)(dian)容CX和(he)電(dian)(dian)抗(kang)(kang)器的電(dian)(dian)感L,調節(jie)變頻(pin)(pin)控制(zhi)(zhi)器的輸出(chu)電(dian)(dian)壓,使試(shi)(shi)品(pin)上高(gao)壓達到所需(xu)要的電(dian)(dian)壓值。
用途:用于大(da)容量、高電(dian)壓電(dian)容性試品的交(jiao)流耐壓試驗;
用于(yu)10KV、35KV、110KV、220KV電纜交流(liu)耐壓(ya)試驗;
用于110KV、220KVGIS系統交(jiao)流耐壓試驗;
用于110KV、220KV高壓(ya)開關、PT、CT交流耐壓(ya)試驗;
用于大型變壓器和(he)發(fa)電機(ji)交流耐(nai)壓試驗;
特點:輸出標準正弦波,畸變率<0.5%
電纜打耐壓試驗設備\耐壓測試儀可整定試驗(yan)電壓、調頻范圍、保(bao)護電流、試驗(yan)時間
軟件自動(dong)精細調壓(ya),可自動(dong)存儲試驗數據
調頻(pin)范(fan)圍(wei):30--300HZ
調(diao)節分(fen)辨率:0.01--0.001HZ
藍色大屏幕顯示試驗數據
打(da)印輸出電壓、調頻和(he)試品電容量等試驗數據
超小、超輕、積木型干(gan)(gan)式電(dian)抗器和干(gan)(gan)式變壓器
配(pei)置靈活(huo),電抗器采用(yong)多臺(tai)式,視被(bei)試設備(bei)可并、串(chuan)使用(yong)
配備(bei)補償(chang)電容(rong)器輕負載(如短(duan)電纜(lan))并聯,可(ke)使諧振頻(pin)率小于(yu)65HZ,更(geng)
接近工頻50HZ
系(xi)統(tong)具有過電流、過電壓及放(fang)電保護功能,可有效保護人身及設(she)備安(an)全
技術指(zhi)標:輸出容(rong)量:3~200KVA
輸入電(dian)壓:380V50HZ/220V50HZ
輸(shu)出(chu)電(dian)壓:0~50KV 0~100KV 0~150KV 0~200KV
0~250KV 0~300KV
由(you)電(dian)(dian)(dian)感L和電(dian)(dian)(dian)容C組(zu)成的(de)電(dian)(dian)(dian)路(lu)可(ke)以在一個或多個頻率上諧(xie)(xie)振,稱(cheng)為諧(xie)(xie)振電(dian)(dian)(dian)路(lu),在電(dian)(dian)(dian)子和無線電(dian)(dian)(dian)工程(cheng)(cheng)中,經常(chang)需(xu)要(yao)(yao)從(cong)(cong)許多電(dian)(dian)(dian)信號(hao)中選擇(ze)(ze)我們(men)需(xu)要(yao)(yao)的(de)電(dian)(dian)(dian)信號(hao),同時抑制或濾除我們(men)不需(xu)要(yao)(yao)的(de)電(dian)(dian)(dian)信號(hao),所以我們(men)需(xu)要(yao)(yao)一個選擇(ze)(ze)電(dian)(dian)(dian)路(lu),即諧(xie)(xie)振電(dian)(dian)(dian)路(lu);另一方面,在電(dian)(dian)(dian)力工程(cheng)(cheng)中,由(you)于電(dian)(dian)(dian)路(lu)的(de)諧(xie)(xie)振,可(ke)能會產生過電(dian)(dian)(dian)壓或過電(dian)(dian)(dian)流等危(wei)害(hai)(hai),因此,無論從(cong)(cong)使用(yong)方面還是(shi)從(cong)(cong)限制其危(wei)害(hai)(hai)的(de)角度來看,研究諧(xie)(xie)振電(dian)(dian)(dian)路(lu)具有(you)重要(yao)(yao)意義。
無源(yuan)(不含獨(du)立電(dian)(dian)源(yuan))電(dian)(dian)感線(xian)圈(quan)電(dian)(dian)容線(xian)性定常電(dian)(dian)路(lu)在(zai)特定頻(pin)率(lv)的(de)外部電(dian)(dian)源(yuan)作用下表(biao)現出(chu)純(chun)電(dian)(dian)阻的(de)現象,這個(ge)特定頻(pin)率(lv)是電(dian)(dian)路(lu)的(de)諧(xie)(xie)振(zhen)(zhen)頻(pin)率(lv),以(yi)諧(xie)(xie)振(zhen)(zhen)為主要工作狀(zhuang)態的(de)電(dian)(dian)路(lu)稱為諧(xie)(xie)振(zhen)(zhen)電(dian)(dian)路(lu),具有諧(xie)(xie)振(zhen)(zhen)電(dian)(dian)路(lu)的(de)無線(xian)電(dian)(dian)設備,用于完成調諧(xie)(xie)、濾波(bo)和其(qi)它(ta)功能,電(dian)(dian)力系統(tong)需要防(fang)止共(gong)振(zhen)(zhen),以(yi)避免過電(dian)(dian)流(liu)和過電(dian)(dian)壓。
成套組成
成(cheng)套裝置組成(cheng)為變頻(pin)調(diao)壓(ya)電源、勵磁變壓(ya)器(qi)(qi)、電抗器(qi)(qi)、分壓(ya)器(qi)(qi)及補償電容(rong)器(qi)(qi)。
技術參數
環境(jing)溫(wen)度:-10~45℃
環境濕度:≤90%
海拔高度:≤2000M
電(dian)源輸(shu)入:220V±10%單相(xiang) 50Hz 輸(shu)出0~220V(≤10KW)
380V±10%三(san)相 50Hz 輸出0~400V
額定試驗容量:0~8000KVA(選(xuan)擇)
諧振電壓:0~1000KV(選擇)
頻率調節范圍:0.1~300Hz
系統測量精度:0.5級(ji)
頻(pin)率(lv)(lv)調節(jie)分頻(pin)率(lv)(lv):0.01Hz
不穩定(ding)度:≤0.05%
輸出波形:正弦波
波形畸變率:≤0.5%
噪聲:≤60dB
電抗(kang)器Q值:30~200(選擇)
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