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技術文章

三相電容電感試驗儀適用于各種電力設備

通過風能(neng)、太陽能(neng)等可再生(sheng)能(neng)源發電(dian)電(dian)解水制得(de)的氫(qing)氣被稱為綠氫(qing)。預(yu)計到(dao)2030年,國內各地區(qu)綠氫供需(xu)基本自給自足(zu),西北地區(qu)的綠氫產量(liang)及需(xu)求量(liang)在各地區中均為*高。預計到2060年,西北(bei)地(di)區(qu)依(yi)然是我國(guo)*大綠(lv)(lv)(lv)氫(qing)產地(di),產量超出本地(di)需(xu)(xu)求(qiu),但華(hua)(hua)東、西南(nan)、華(hua)(hua)南(nan)、華(hua)(hua)北(bei)、華(hua)(hua)中等(deng)地(di)區(qu)的綠(lv)(lv)(lv)氫(qing)供給(gei)難(nan)以滿足(zu)本地(di)需(xu)(xu)求(qiu),需(xu)(xu)要(yao)實現跨區(qu)域輸送。從遠(yuan)期(qi)來看,我國(guo)綠(lv)(lv)(lv)氫(qing)發展在(zai)地(di)理分布(bu)上存(cun)在(zai)供需(xu)(xu)不匹配問題(ti),綠(lv)(lv)(lv)氫(qing)生產與消費需(xu)(xu)求(qiu)呈(cheng)現逆向分布(bu)的特征。保障能源(yuan)保障、經(jing)濟(ji)供給(gei),需(xu)(xu)要(yao)對(dui)綠(lv)(lv)(lv)氫(qing)進(jin)行遠(yuan)距離、大規模(mo)輸送。



一、產品(pin)概述(WBDG-2000三相(xiang)電容(rong)電感試驗儀適用(yong)于(yu)各種電力設備

無(wu)(wu)(wu)功(gong)(gong)(gong)(gong)補償(chang)(chang)電(dian)(dian)(dian)(dian)容(rong)器(qi)是(shi)滿足電(dian)(dian)(dian)(dian)力(li)系統(tong)無(wu)(wu)(wu)功(gong)(gong)(gong)(gong)平衡(heng)的(de)(de)(de)重要(yao)(yao)(yao)(yao)設備(bei)。近年來無(wu)(wu)(wu)功(gong)(gong)(gong)(gong)問題得到了電(dian)(dian)(dian)(dian)業部門的(de)(de)(de)普遍重視,無(wu)(wu)(wu)功(gong)(gong)(gong)(gong)補償(chang)(chang)成套裝置(zhi)已大量投入配電(dian)(dian)(dian)(dian)網運(yun)行。電(dian)(dian)(dian)(dian)能(neng)(neng)供給(gei)要(yao)(yao)(yao)(yao)求(qiu)系統(tong)有功(gong)(gong)(gong)(gong)與無(wu)(wu)(wu)功(gong)(gong)(gong)(gong)實(shi)時平衡(heng)。因此,無(wu)(wu)(wu)功(gong)(gong)(gong)(gong)補償(chang)(chang)裝置(zhi)應滿足自動跟蹤(zong)、實(shi)時補償(chang)(chang)的(de)(de)(de)要(yao)(yao)(yao)(yao)求(qiu),這就(jiu)不可避(bi)免地要(yao)(yao)(yao)(yao)頻繁(fan)投、切無(wu)(wu)(wu)功(gong)(gong)(gong)(gong)補償(chang)(chang)電(dian)(dian)(dian)(dian)容(rong)器(qi)組(zu)(zu)。電(dian)(dian)(dian)(dian)容(rong)器(qi)組(zu)(zu)的(de)(de)(de)投、切操作(zuo),就(jiu)會產生過電(dian)(dian)(dian)(dian)流與過電(dian)(dian)(dian)(dian)壓(ya)沖擊,引起電(dian)(dian)(dian)(dian)容(rong)器(qi)損(sun)壞。為(wei)保(bao)證設備(bei)的(de)(de)(de)可靠性(xing),早期(qi)發(fa)現電(dian)(dian)(dian)(dian)容(rong)器(qi)缺陷,避(bi)免故障擴大,需要(yao)(yao)(yao)(yao)定期(qi)進行檢(jian)(jian)測(ce)。而在現場電(dian)(dian)(dian)(dian)容(rong)器(qi)都(dou)是(shi)成組(zu)(zu)并聯的(de)(de)(de),傳統(tong)方法是(shi)將(jiang)電(dian)(dian)(dian)(dian)容(rong)匯流排拆(chai)除,然(ran)后用(yong)老式(shi)電(dian)(dian)(dian)(dian)容(rong)表進行測(ce)量,由(you)于(yu)電(dian)(dian)(dian)(dian)容(rong)器(qi)組(zu)(zu)是(shi)由(you)幾十至上百個小電(dian)(dian)(dian)(dian)容(rong)器(qi)組(zu)(zu)成,要(yao)(yao)(yao)(yao)拆(chai)線測(ce)量電(dian)(dian)(dian)(dian)容(rong)量的(de)(de)(de)工作(zuo)量很大,而且經常(chang)拆(chai)線會使得螺絲滑牙或(huo)沒有上緊而留(liu)下隱患,也(ye)容(rong)易(yi)造(zao)成電(dian)(dian)(dian)(dian)容(rong)的(de)(de)(de)二次損(sun)壞。因此,非常(chang)期(qi)望有一種測(ce)試(shi)儀器(qi)不用(yong)拆(chai)線就(jiu)能(neng)(neng)測(ce)量各個小電(dian)(dian)(dian)(dian)容(rong)器(qi)的(de)(de)(de)電(dian)(dian)(dian)(dian)容(rong)量,減輕(qing)檢(jian)(jian)修人(ren)員的(de)(de)(de)負擔,提高(gao)檢(jian)(jian)修工作(zuo)的(de)(de)(de)效率(lv),提高(gao)配電(dian)(dian)(dian)(dian)網運(yun)行的(de)(de)(de)保(bao)障性(xing)。

針對(dui)現(xian)場的(de)(de)實際(ji)情況,我公(gong)司經過攻關,*終研制出一種利(li)用新試(shi)驗方法(fa)進行(xing)測(ce)量(liang)的(de)(de)儀(yi)器(qi)(qi)(qi),這就是(shi)三(san)相電(dian)(dian)容電(dian)(dian)感測(ce)試(shi)儀(yi)。該儀(yi)器(qi)(qi)(qi)可(ke)以在不拆線(xian)的(de)(de)狀態下,測(ce)量(liang)成(cheng)組并聯電(dian)(dian)容器(qi)(qi)(qi)的(de)(de)單(dan)相電(dian)(dian)容或各(ge)種組合連接類(lei)型的(de)(de)三(san)相電(dian)(dian)容器(qi)(qi)(qi),同時也能(neng)(neng)夠測(ce)量(liang)各(ge)種電(dian)(dian)抗器(qi)(qi)(qi)的(de)(de)電(dian)(dian)感,本儀(yi)器(qi)(qi)(qi)還(huan)能(neng)(neng)測(ce)量(liang)工頻狀況下的(de)(de)電(dian)(dian)流,該儀(yi)器(qi)(qi)(qi)接線(xian)方便,操作簡單(dan),減輕了檢修(xiu)人員的(de)(de)工作負擔(dan),大大提高(gao)了現(xian)場的(de)(de)測(ce)試(shi)效率,為電(dian)(dian)網的(de)(de)正常運行(xing)提供了可(ke)靠保障。

二(er)、功(gong)能特點(dian)(WBDG-2000三相電容電感試驗(yan)儀適(shi)用(yong)于各種電力設備

本(ben)儀器(qi)可在不拆線情況下測量(liang)成組(zu)并聯電容器(qi)的(de)(de)單(dan)個(ge)單(dan)相電容及同時測量(liang)各(ge)(ge)種連接類型的(de)(de)三相電容,同時本(ben)儀器(qi)也能測量(liang)各(ge)(ge)種電抗器(qi)的(de)(de)電感量(liang),還可以做為工頻電流(liu)測試儀使用,一機三用,滿足現場的(de)(de)多種使用;

測(ce)量(liang)時(shi)本儀器顯示測(ce)量(liang)電(dian)容(rong)值或(huo)電(dian)感值的同時(shi)還可以(yi)(yi)顯示測(ce)量(liang)的電(dian)壓(ya)、電(dian)流、功率、頻率、阻抗、相位角等數據,以(yi)(yi)便(bian)更好(hao)的分析試品(pin)的好(hao)壞;

儀器采用240×128大屏(ping)幕(mu)帶背光的液晶(jing)顯示,白天夜間均能(neng)清晰觀察,中文菜單提示,操(cao)作簡(jian)便;

儀器內置(zhi)大容(rong)量非易(yi)失性存儲(chu)器:可存儲(chu)50組(zu)測(ce)量數據(ju);

儀器內置高精度實時(shi)時(shi)鐘(zhong)功能:可進行(xing)日期及(ji)時(shi)間校(xiao)準(zhun);

儀器(qi)自(zi)帶高速微型熱敏打印機:可打印測量(liang)及歷史數據;

儀(yi)器試驗電(dian)源(yuan)過流保護功能:電(dian)源(yuan)輸出(chu)短路不會損壞儀(yi)器。

三、技術(shu)指(zhi)標(WBDG-2000三相電容(rong)電感(gan)試(shi)驗儀適用(yong)于各種電(dian)力設備

輸出(chu)電壓   2V, 20V

輸出電(dian)流: ≤10A

測(ce)量范(fan)圍

電容:0.1uF2000uF

電感:0.1mH10H

電流:1mA10A

電壓:  0 25V

測量(liang)精度

電容:±(1%+2)

電感:±(1%+5)

電(dian)流:±(1%+2)

電壓(ya):±(1%+2)

外(wai)形尺寸   350mm×230mm×190mm

儀器重量(liang)   8kg


四、使(shi)用條(tiao)件(WBDG-2000三相電(dian)(dian)容電(dian)(dian)感(gan)試驗儀適用于(yu)各種(zhong)電力設備

環(huan)境(jing)溫(wen)度(du)   -10℃~50

環境(jing)濕度(du)   85%RH

工作電源   AC220V±10%

電源頻率   50±1Hz

儀器功率   200W

五、面(mian)板介紹(shao)(WBDG-2000三相電容電感試(shi)驗儀適用于各種(zhong)電力設備

Ua、UbUcUo:測(ce)試線電(dian)(dian)源電(dian)(dian)壓輸出端(duan);

uaubuc uo :測試線(xian)采樣電壓引入端(duan);

IaIbIc:電流鉗接(jie)線引入(ru)端;

電源(yuan)開(kai)關:接通和斷開(kai)交流電源(yuan);

FUSE   : 保險盒(he)

:儀器接地(di)端子

液 晶 屏:顯示操作提示及測量數據

    盤:儀(yi)器各種功能的操作(zuo)

打(da) 印(yin) 機:打(da)印(yin)各(ge)種測(ce)量數據


綠(lv)(lv)氫(qing)(qing)的遠(yuan)距(ju)離(li)、大規(gui)模輸(shu)(shu)(shu)送可(ke)通過(guo)輸(shu)(shu)(shu)氫(qing)(qing)、輸(shu)(shu)(shu)電(dian)(dian)(dian)兩種方(fang)式(shi)開展。前者是利(li)用可(ke)再(zai)生能(neng)源(yuan)電(dian)(dian)(dian)力(li)就(jiu)地制氫(qing)(qing),通過(guo)輸(shu)(shu)(shu)氫(qing)(qing)管道將綠(lv)(lv)氫(qing)(qing)跨(kua)區域輸(shu)(shu)(shu)送至(zhi)需求(qiu)側消(xiao)納(na);后者是利(li)用特(te)(te)(te)高壓(ya)(ya)輸(shu)(shu)(shu)電(dian)(dian)(dian)技術跨(kua)區域輸(shu)(shu)(shu)送可(ke)再(zai)生能(neng)源(yuan)電(dian)(dian)(dian)力(li),在(zai)需求(qiu)側通過(guo)電(dian)(dian)(dian)制氫(qing)(qing)滿足當地綠(lv)(lv)氫(qing)(qing)需求(qiu)。在(zai)不同輸(shu)(shu)(shu)送距(ju)離(li)的場景(jing)中,輸(shu)(shu)(shu)氫(qing)(qing)與輸(shu)(shu)(shu)電(dian)(dian)(dian)的經濟性不同。隨著輸(shu)(shu)(shu)送距(ju)離(li)增加,輸(shu)(shu)(shu)氫(qing)(qing)管道建(jian)設、運(yun)維等(deng)成本明顯增加。我國(guo)特(te)(te)(te)高壓(ya)(ya)輸(shu)(shu)(shu)電(dian)(dian)(dian)技術較為成熟(shu),在(zai)遠(yuan)距(ju)離(li)、大規(gui)模等(deng)特(te)(te)(te)定能(neng)源(yuan)輸(shu)(shu)(shu)送場景(jing)中,特(te)(te)(te)高壓(ya)(ya)輸(shu)(shu)(shu)電(dian)(dian)(dian)代替(ti)管道輸(shu)(shu)(shu)氫(qing)(qing)具(ju)有更好(hao)的經濟性。

綜合考慮輸送場(chang)景(jing)、經濟性等(deng)因素(su),需(xu)要通過電氫耦(ou)合的方式(shi)來實現未來我(wo)國各地區綠氫供需(xu)平(ping)衡。2030年(nian)前,以區域內(nei)部(bu)綠氫輸送(song)為主,少部(bu)分綠氫需(xu)要跨區域輸送(song)。2030年后(hou),需要綜合考慮可(ke)再(zai)生能源基地(di)分(fen)布、輸電通道(dao)與輸氫管道(dao)很好的容量配(pei)置,因(yin)地(di)制宜開展電氫協同規劃建設。



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