“500千(qian)伏驊(hua)靜一線設備溫度正常(chang),未發現隱患。”5月23日,國網(wang)天津高壓公司(si)輸電(dian)(dian)運檢中心員工利用無(wu)人機搭載的(de)紅外裝置對設(she)備(bei)(bei)測溫,在汛期來臨(lin)前排(pai)查電(dian)(dian)力(li)(li)設(she)備(bei)(bei)隱患,保障電(dian)(dian)網(wang)可靠運行(xing)。國網(wang)天津電(dian)(dian)力(li)(li)完善工作措施,加強(qiang)隱患整改和設(she)備(bei)(bei)缺(que)陷消除;根據往年夏(xia)季(ji)電(dian)(dian)網(wang)負荷特點加強(qiang)負荷預(yu)測,堅持(chi)統(tong)一調度管理(li),全力(li)(li)保障電(dian)(dian)網(wang)設(she)備(bei)(bei)可靠運行(xing)和電(dian)(dian)力(li)(li)可靠供(gong)(gong)應(ying)(ying);安排(pai)應(ying)(ying)急(ji)(ji)搶(qiang)修隊伍隨時待命,備(bei)(bei)齊搶(qiang)修物料,做好(hao)應(ying)(ying)急(ji)(ji)搶(qiang)險準備(bei)(bei),針(zhen)對夏(xia)季(ji)極易出現的(de)惡劣天氣編制、完善供(gong)(gong)電(dian)(dian)方案(an)(an)及電(dian)(dian)網(wang)事(shi)故應(ying)(ying)急(ji)(ji)預(yu)案(an)(an),開(kai)展防(fang)汛和反事(shi)故演練,增強(qiang)響應(ying)(ying)能(neng)力(li)(li)和處置能(neng)力(li)(li)。
一、產品概述(WBDG-2000三相高壓(ya)電容測試儀快速高(gao)精度的測試能力)
無(wu)功(gong)補償(chang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)是滿足電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力系統無(wu)功(gong)平(ping)衡的(de)重要設備。近(jin)年來無(wu)功(gong)問題得到了(le)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)業部門的(de)普遍重視,無(wu)功(gong)補償(chang)成(cheng)套裝(zhuang)置已大量投入(ru)配(pei)(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網運行。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能供(gong)給要求(qiu)(qiu)系統有(you)功(gong)與無(wu)功(gong)實時平(ping)衡。因此,無(wu)功(gong)補償(chang)裝(zhuang)置應滿足自動跟蹤、實時補償(chang)的(de)要求(qiu)(qiu),這就(jiu)不(bu)可(ke)避免地要頻繁投、切(qie)無(wu)功(gong)補償(chang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)組(zu)(zu)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)組(zu)(zu)的(de)投、切(qie)操作(zuo),就(jiu)會產生過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流與過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)沖(chong)擊,引起電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)損(sun)壞。為(wei)保證設備的(de)可(ke)靠性,早期發現電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)缺陷,避免故障擴大,需要定期進(jin)行檢(jian)(jian)測(ce)(ce)(ce)。而(er)在現場電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)都是成(cheng)組(zu)(zu)并聯的(de),傳(chuan)統方法是將電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)匯流排拆(chai)除(chu),然后(hou)用老式電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)表進(jin)行測(ce)(ce)(ce)量,由于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)組(zu)(zu)是由幾十至上百個(ge)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)組(zu)(zu)成(cheng),要拆(chai)線測(ce)(ce)(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)量的(de)工(gong)(gong)作(zuo)量很大,而(er)且經(jing)常拆(chai)線會使(shi)得螺絲滑牙或沒有(you)上緊而(er)留下隱(yin)患,也容(rong)易造成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)的(de)二(er)次損(sun)壞。因此,非常期望(wang)有(you)一種測(ce)(ce)(ce)試儀器(qi)不(bu)用拆(chai)線就(jiu)能測(ce)(ce)(ce)量各個(ge)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)量,減輕(qing)檢(jian)(jian)修人員的(de)負(fu)擔,提高檢(jian)(jian)修工(gong)(gong)作(zuo)的(de)效(xiao)率,提高配(pei)(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網運行的(de)保障性。
針(zhen)對現場的(de)(de)實(shi)際情(qing)況,我公(gong)司經過(guo)攻(gong)關,*終研制出一種利用新試(shi)(shi)驗方法進行測(ce)(ce)(ce)量的(de)(de)儀(yi)(yi)器(qi),這就(jiu)是三相(xiang)電(dian)容電(dian)感(gan)測(ce)(ce)(ce)試(shi)(shi)儀(yi)(yi)。該儀(yi)(yi)器(qi)可(ke)以在不(bu)拆(chai)線的(de)(de)狀態下,測(ce)(ce)(ce)量成組(zu)并聯電(dian)容器(qi)的(de)(de)單相(xiang)電(dian)容或各種組(zu)合連接(jie)(jie)類型的(de)(de)三相(xiang)電(dian)容器(qi),同時也能夠測(ce)(ce)(ce)量各種電(dian)抗器(qi)的(de)(de)電(dian)感(gan),本儀(yi)(yi)器(qi)還能測(ce)(ce)(ce)量工頻狀況下的(de)(de)電(dian)流,該儀(yi)(yi)器(qi)接(jie)(jie)線方便,操作簡(jian)單,減輕(qing)了檢修人員的(de)(de)工作負擔,大大提高了現場的(de)(de)測(ce)(ce)(ce)試(shi)(shi)效(xiao)率(lv),為電(dian)網的(de)(de)正常運行提供了可(ke)靠保(bao)障。
二、功能(neng)特點(WBDG-2000三相高壓電容測試(shi)儀(yi)快速高精度(du)的測試能(neng)力)
本(ben)儀器(qi)可在不拆線情況下測量(liang)成組并聯(lian)電容器(qi)的(de)單個(ge)單相電容及同時(shi)測量(liang)各種連接類型的(de)三相電容,同時(shi)本(ben)儀器(qi)也能(neng)測量(liang)各種電抗器(qi)的(de)電感(gan)量(liang),還可以(yi)做為工頻(pin)電流測試儀使(shi)用,一機三用,滿足現場的(de)多種使(shi)用;
測(ce)量時(shi)本儀器顯示測(ce)量電容值或電感值的(de)同時(shi)還可以(yi)顯示測(ce)量的(de)電壓、電流、功率、頻率、阻抗、相位角等數據,以(yi)便更(geng)好(hao)(hao)的(de)分(fen)析試品的(de)好(hao)(hao)壞;
儀(yi)器采用240×128大(da)屏幕帶背光的液晶顯示(shi),白天夜間均(jun)能(neng)清晰(xi)觀察,中文菜單提示(shi),操作簡(jian)便;
儀器(qi)內置大容量非易失(shi)性存(cun)儲器(qi):可存(cun)儲50組測量數據(ju);
儀器內置高精度(du)實時(shi)時(shi)鐘(zhong)功能:可進行日(ri)期及時(shi)間校準;
儀(yi)器(qi)自帶高速微型(xing)熱(re)敏打(da)印(yin)機:可(ke)打(da)印(yin)測量及歷史(shi)數據;
儀器試驗電(dian)源(yuan)過流保護功能:電(dian)源(yuan)輸出短路不會損壞儀器。
三、技術指標(biao)(WBDG-2000三相高壓(ya)電容測試儀快速(su)高精度的(de)測試能力)
輸(shu)出電壓(ya) ~2V, ~20V
輸出電流: ≤10A
測量(liang)范圍
電容:0.1uF~2000uF
電感:0.1mH~10H
電流(liu):1mA~10A
電(dian)壓: 0 ~25V
測量精(jing)度
電容:±(1%+2字)
電感(gan):±(1%+5字)
電流:±(1%+2字(zi))
電壓:±(1%+2字)
外形尺寸 350mm×230mm×190mm
儀(yi)器重量 8kg
四、使用條件(jian)(WBDG-2000三相高壓電(dian)容測試儀快(kuai)速高精度的測試能力)
環境溫度 -10℃~50℃
環境濕度 ≤85%RH
工作電源(yuan) AC220V±10%
電源頻率 50±1Hz
儀器功率 200W
五、面板介紹(WBDG-2000三相高(gao)壓(ya)電容測試儀快速高(gao)精(jing)度的測(ce)試(shi)能力)
Ua、Ub、Uc、Uo:測試線(xian)電源電壓輸出(chu)端;
ua、ub、uc、 uo :測試(shi)線(xian)采樣電壓引(yin)入端;
Ia、Ib、Ic:電流鉗(qian)接線(xian)引入端;
電(dian)源開關(guan):接通和斷開交流電(dian)源;
FUSE : 保險盒
:儀器接地端子(zi)
液 晶 屏:顯示操作提示及測(ce)量(liang)數據
鍵 盤(pan):儀(yi)器各種功(gong)能的操作
打 印 機:打印各種測量數(shu)據
國網江蘇(su)電(dian)力(li)以加強負(fu)(fu)荷(he)管(guan)(guan)理(li)等為重點,全力(li)做好迎峰度夏(xia)保(bao)供(gong)(gong)工作(zuo)。該公司(si)突(tu)出(chu)政企協同(tong),組建工作(zuo)專班,協調(diao)發(fa)電(dian)資源(yuan)(yuan)供(gong)(gong)給、需求(qiu)側(ce)管(guan)(guan)理(li)、省(sheng)間電(dian)力(li)現貨交易等事宜;突(tu)出(chu)負(fu)(fu)荷(he)精細管(guan)(guan)控,引導負(fu)(fu)荷(he)集成商、全品類(lei)資源(yuan)(yuan)參與電(dian)力(li)需求(qiu)響(xiang)應,做大可調(diao)節(jie)(jie)負(fu)(fu)荷(he)資源(yuan)(yuan)池,加強負(fu)(fu)荷(he)分級分類(lei)管(guan)(guan)理(li),推(tui)進分支線路單獨監(jian)測、智慧用電(dian)管(guan)(guan)理(li);突(tu)出(chu)社會引導,支持虛擬電(dian)廠和(he)負(fu)(fu)荷(he)聚(ju)合商發(fa)展,推(tui)動靈活資源(yuan)(yuan)交易聚(ju)合調(diao)節(jie)(jie)市(shi)場(chang)正式運行,營造節(jie)(jie)能提效助力(li)保(bao)供(gong)(gong)的(de)良好氛圍。
國網(wang)湖南電力(li)多措(cuo)并(bing)舉提升電力(li)供應(ying)能力(li)。該(gai)公司加快(kuai)推進平江電廠2號機組(zu)(zu)等電(dian)源并(bing)網,督促火電(dian)機組(zu)(zu)檢修;優化建設時序(xu),推進31項35千伏至(zhi)500千(qian)伏2023年(nian)迎(ying)峰度夏重點項目有(you)序投運;梳理35千(qian)伏及以(yi)上電網(wang)斷面(mian)、設備重(zhong)過(guo)載(zai)清單,明確主網(wang)“9站(zhan)31線”重點運維保障清(qing)單,實施相應管控措施;在政府主(zhu)導下開(kai)展需(xu)求(qiu)響應資源(yuan)簽(qian)約,梳理(li)具備(bei)集控改造條(tiao)件的中(zhong)(zhong)央空調(diao)用戶和可中(zhong)(zhong)斷負(fu)荷潛力(li)資源(yuan)庫(ku);按(an)照(zhao)“先爭(zheng)取(qu)送端支持、再落(luo)實送電通道”原則(ze),積(ji)極開(kai)展與華(hua)北、東(dong)北、西北地區省份的富(fu)余(yu)電力增購交易(yi)。
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