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JDZ電壓互感器

更新時(shi)間(jian):2020-07-27 16:45:16

1.海拔高度不超過3000米; 2.周圍環境溫度不高于+40'C,不低于-5'C; 3.周圍空氣的相對濕度不大于65%(20'C); 4.滿足II級污穢等級; 5.安裝場所無腐蝕性的氣體
詳細介紹
電(dian)壓(ya)(ya)(ya)(ya)互感器是一種特殊的(de)(de)變(bian)(bian)壓(ya)(ya)(ya)(ya)器,具有變(bian)(bian)壓(ya)(ya)(ya)(ya)器的(de)(de)電(dian)壓(ya)(ya)(ya)(ya)變(bian)(bian)換、阻抗變(bian)(bian)換和電(dian)氣(qi)隔離三重作(zuo)用,它將高(gao)(gao)壓(ya)(ya)(ya)(ya)回路或低壓(ya)(ya)(ya)(ya)回路的(de)(de)高(gao)(gao)電(dian)壓(ya)(ya)(ya)(ya)轉變(bian)(bian)為(wei)低電(dian)壓(ya)(ya)(ya)(ya)(一般為(wei)100V),供(gong)給儀表和繼電(dian)保護裝置實(shi)現測量、計量、保護等作(zuo)用。
本(ben)產品(pin)符合IEC60044及GB20840.3-2013電流互(hu)感器(qi)標(biao)準。

產品(pin)優點:
1.體積(ji)小。
2.具(ju)有良好(hao)的絕(jue)緣(yuan)性能和(he)防潮性能。
3.安裝便捷,適(shi)合(he)任何位(wei)置任意方西安裝。
4.技(ji)術(shu)成熟 產品相對比較穩定。

一、概述
電壓(ya)互感器,為單相、戶內、干(gan)式全封(feng)閉產(chan)品,使(shi)用(yong)時單臺(tai)或(huo)二(er)臺(tai)一組(zu)(zu), 二(er)臺(tai)一組(zu)(zu)時為V/V連(lian)接, 三(san)臺(tai)一組(zu)(zu)時為 V /V/V連(lian)接(具體接線方式請(qing)查(cha)本文第六點)分別適(shi)用(yong)于額定頻(pin)率(lv) 50HZ 或(huo) 60HZ , 額定電壓(ya)為 3kV、6kV、10kV 電力系統中作電能計量、電壓(ya)監控和繼電保(bao)護(hu)用(yong)。

二(er)、結構(gou)特征
本電壓互(hu)感(gan)器(qi)主要采用環氧樹脂全封閉澆筑(zhu)(zhu)結構,將互(hu)感(gan)器(qi)的一次(ci)繞組(zu)二次(ci)繞組(zu)及鐵心澆筑(zhu)(zhu)在一起(qi)。
電壓互感器 雙繞組和三繞組電壓互感器的結構:
供測量用(yong)的電壓互(hu)感器,一般都(dou)做成單(dan)相(xiang)雙(shuang)繞組結構.當(dang)兩端絕(jue)緣(yuan)等級相(xiang)同時,可以單(dan)相(xiang)使(shi)(shi)用(yong),也可以組合起來(lai)作 三相(xiang)使(shi)(shi)用(yong)。對這種電壓互(hu)感器的主(zhu)要技術要求是保證必(bi)要的準確級。  
供接(jie)地保護(hu)用的電壓(ya)(ya)互感器還具有一個(ge)輔(fu)助(zhu)二次(ci)繞組(zu),稱三(san)繞組(zu)電壓(ya)(ya)互感器。三(san)相的輔(fu)助(zhu)二次(ci)繞組(zu)結成開口三(san)角(jiao)形,一旦系統發(fa)生單相接(jie)地時中性點出(chu)現(xian)位移,輔(fu)助(zhu)二次(ci)繞組(zu)上會出(chu)現(xian)一個(ge)零(ling)(ling)序電壓(ya)(ya),所以輔(fu)助(zhu)二次(ci)繞組(zu)現(xian)稱零(ling)(ling)序電壓(ya)(ya)線(xian)組(zu)。  
三繞組電(dian)壓(ya)(ya)互感器一(yi)(yi)般做成單(dan)相(xiang)(xiang),做成三相(xiang)(xiang)時應采用三相(xiang)(xiang)五拄(zhu)式(三相(xiang)(xiang)三柱旁扼式)鐵心(xin),且電(dian)壓(ya)(ya)在(zai)10kv及以(yi)下,這是為了提供(gong)零序磁通(tong)的(de)回(hui)路。對于這種電(dian)壓(ya)(ya)互感器,零序電(dian)壓(ya)(ya)繞組的(de)準確(que)級要求不高(gao),一(yi)(yi)般為3B級或6B級,以(yi)保證開口(kou)三角(jiao)端子電(dian)壓(ya)(ya)在(zai)一(yi)(yi)定范(fan)圍之內,但要求具(ju)有一(yi)(yi)定的(de)過勵(li)磁特(te)性。

三、環境條件
1.海拔高度不超(chao)過3000米;
2.周圍環境溫度不高(gao)于+40'C,不低于-5'C;
3.周圍空氣的相對濕度不大于65%(20'C);
4.滿足II級(ji)污穢等級(ji);
5.安裝場所無(wu)腐蝕性的氣體

四、技術表

型號

額定電(dian)壓比(bi) (V)

準確級組合

額定輸出(VA)

極限輸出 (VA)

額定絕緣水平(ping)(kV)

JDZ10-10(6)
(RZL-10)

6000/100

0.2/0.5/1

15/30/60

200

7.2/32/60

10000/10

3/3P(6P)

50/50

12/42/75


電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)器(qi)(qi)是一個(ge)(ge)(ge)帶鐵心(xin)(xin)的變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)。它主(zhu)要(yao)(yao)由一、二(er)次(ci)(ci)(ci)(ci)線圈(quan)、鐵心(xin)(xin)和(he)絕緣組(zu)(zu)成(cheng)。當在(zai)(zai)一次(ci)(ci)(ci)(ci)繞(rao)(rao)組(zu)(zu)上施加一個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)U1時,在(zai)(zai)鐵心(xin)(xin)中就(jiu)產生一個(ge)(ge)(ge)磁(ci)通φ,根(gen)據電(dian)(dian)(dian)(dian)(dian)磁(ci)感(gan)(gan)應定(ding)律,則(ze)在(zai)(zai)二(er)次(ci)(ci)(ci)(ci)繞(rao)(rao)組(zu)(zu)中就(jiu)產生一個(ge)(ge)(ge)二(er)次(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)U2。改變(bian)一次(ci)(ci)(ci)(ci)或二(er)次(ci)(ci)(ci)(ci)繞(rao)(rao)組(zu)(zu)的匝數,可以產生不同的一次(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)與二(er)次(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)比(bi),這(zhe)就(jiu)可組(zu)(zu)成(cheng)不同比(bi)的電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)器(qi)(qi)。電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)器(qi)(qi)將高電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)按比(bi)例轉換成(cheng)低電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya),即100V,電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)器(qi)(qi)一次(ci)(ci)(ci)(ci)側接在(zai)(zai)一次(ci)(ci)(ci)(ci)系統,二(er)次(ci)(ci)(ci)(ci)側接測量(liang)儀表、繼電(dian)(dian)(dian)(dian)(dian)保護等(deng);主(zhu)要(yao)(yao)是電(dian)(dian)(dian)(dian)(dian)磁(ci)式(shi)的(電(dian)(dian)(dian)(dian)(dian)容式(shi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)器(qi)(qi)應用廣泛),另有(you)非電(dian)(dian)(dian)(dian)(dian)磁(ci)式(shi)的,如電(dian)(dian)(dian)(dian)(dian)子式(shi)、光電(dian)(dian)(dian)(dian)(dian)式(shi)。

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