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100KV高壓試驗變壓器

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產品名稱: 100KV高壓試驗變壓器
產品型號: 100KV
產品展商: 晟皋
產品文檔: 無相(xiang)關文檔(dang)

簡單介紹

上海晟皋電氣科技有限公司,您身邊的高壓測試專家!生產100KV高壓試驗變壓器,主要為電力系統的發電、供電、用電部門,科研機構與電力設備相關的生產企業,提供先進的高壓試驗設備和檢測儀器儀表,100KV高壓試驗變壓器?廠家直銷,價格公道,質量有保障,歡迎來電咨詢!


100KV高壓試驗變壓器  的詳細介紹

一、產品(pin)概述:

晟皋牌100KV高壓試驗變壓器是根據機電部《試驗變壓器》標準在原同類產品基礎上經過大量改進后而生產的輕型交直流高壓試驗變是在(G)系列試驗變壓器的基礎上按照國家標準《ZBK-41006-89》經過改進后而生產的一種新型產品。晟皋牌100KV高壓(ya)試驗變壓(ya)器晟皋牌(pai)100KV高壓試驗變壓器具有體積小、重量輕、結構緊湊、功能齊全,通用性強和使用方便等特點。特別適用于電力系統、工礦企業、科研部門等對各種高壓電氣設備、電氣元件、絕緣材料進行匯頻或直流高壓下的絕緣強度試驗。是高壓試驗中必不可少的重要設備。

二、產品別稱:

油浸(jin)式(shi)高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi):油式(shi)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)、油式(shi)變(bian)、油式(shi)高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)、高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)、電(dian)力高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)、超(chao)輕型高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)、串級(ji)式(shi)高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)、交直流高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)、高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)升壓(ya)(ya)(ya)(ya)器(qi)(qi)、高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)耐壓(ya)(ya)(ya)(ya)機、高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)耐壓(ya)(ya)(ya)(ya)儀。

三、工作原理:

變(bian)(bian)頻(pin)串并聯諧(xie)振(zhen)試(shi)驗變(bian)(bian)壓器(qi)(qi)(qi)通過調(diao)頻(pin)控(kong)制器(qi)(qi)(qi)提供供電電源,試(shi)驗電壓由勵(li)磁變(bian)(bian)壓器(qi)(qi)(qi)經(jing)過初步升壓后(hou),使高電壓加在電抗(kang)器(qi)(qi)(qi)L和被試(shi)品CX上,通過改變(bian)(bian)調(diao)頻(pin)控(kong)制器(qi)(qi)(qi)的(de)輸出頻(pin)率(lv),使回(hui)路處于串聯諧(xie)振(zhen)狀態;調(diao)節變(bian)(bian)頻(pin)控(kong)制器(qi)(qi)(qi)的(de)輸出電壓,使試(shi)品上高壓達到所需(xu)要(yao)的(de)電壓值。回(hui)路的(de)諧(xie)振(zhen)頻(pin)率(lv)取決于被試(shi)品電容CX和電抗(kang)器(qi)(qi)(qi)的(de)電感L,諧(xie)振(zhen)頻(pin)率(lv)。


四、使用方(fang)法(fa):

1、晟(sheng)皋牌100KV高壓(ya)試驗變壓(ya)器做被試品的工頻耐壓試驗使用接線原理圖。

圖5:三臺試驗充壓器串級接七(qi)原(yuan)理圖

圖(tu)中:P-容量(KV)  V-電(dian)壓(ya)(KV)   G1、G2-絕緣支架

 

 

 

 

 

 

圖中:R1-限流電阻(zu) FYQ-阻(zu)容分壓器 RF-球(qiu)(qiu)間隙保護電阻(zu) G-球(qiu)(qiu)間隙   Cx-被試品

注:高(gao)壓尾必須可(ke)靠接(jie)地。

工(gong)頻耐壓(ya)試(shi)(shi)驗(yan)中(zhong)限流(liu)(liu)(liu)(liu)電阻R1應根據(ju)試(shi)(shi)驗(yan)變(bian)壓(ya)器的(de)額定(ding)容(rong)量(liang)來選擇。如(ru)高(gao)壓(ya)側額定(ding)輸出(chu)電流(liu)(liu)(liu)(liu)在  100-300MA時(shi),可取(qu)0.5-1Ω/V(試(shi)(shi)驗(yan)電壓(ya));高(gao)壓(ya)側額定(ding)輸出(chu)電流(liu)(liu)(liu)(liu)為1A以上時(shi),可取(qu)1Ω/V(試(shi)(shi)驗(yan)電壓(ya))。常(chang)用(yong)水電陰(yin)(yin)作(zuo)為限流(liu)(liu)(liu)(liu)電阻,管于長度可按150KV/m考慮,管子和粗細應具有(you)足夠的(de)熱容(rong)量(liang)(水阻液配制(zhi)方法:用(yong)蒸(zheng)餾水加入(ru)適量(liang)硫酸銅配制(zhi)成各(ge)種不同的(de)陰(yin)(yin)值)。

球(qiu)間隙(xi)(xi)及保護電(dian)(dian)(dian)阻(zu):當電(dian)(dian)(dian)壓超過球(qiu)間隙(xi)(xi)整定值時(一(yi)般取試驗(yan)電(dian)(dian)(dian)壓的110%-120%)球(qiu)間隙(xi)(xi)放電(dian)(dian)(dian),對被(bei)試品起到保護作用。球(qiu)間隙(xi)(xi)保護電(dian)(dian)(dian)阻(zu)可按1Ω/V(試驗(yan)電(dian)(dian)(dian)壓)選取。

在(zai)(zai)(zai)(zai)工頻(pin)(pin)耐壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)中,低壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)側測(ce)量(liang)(liang)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(儀表電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya))不(bu)是(shi)非常(chang)準確的,其(qi)原(yuan)因是(shi)由于(yu)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)變壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)存在(zai)(zai)(zai)(zai)著漏(lou)抗(kang),在(zai)(zai)(zai)(zai)這(zhe)上(shang)(shang)(shang)個(ge)漏(lou)抗(kang)上(shang)(shang)(shang)必然存在(zai)(zai)(zai)(zai)著壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)降或(huo)容(rong)升(sheng),使(shi)試(shi)(shi)(shi)(shi)(shi)(shi)品(pin)上(shang)(shang)(shang)的電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)低于(yu)或(huo)高(gao)于(yu)低壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)側測(ce)量(liang)(liang)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)表上(shang)(shang)(shang)反映出(chu)來的電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)。工頻(pin)(pin)耐壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)時(shi),被試(shi)(shi)(shi)(shi)(shi)(shi)品(pin)上(shang)(shang)(shang)的電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)高(gao)于(yu)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)變壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)的輸出(chu)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya),也就是(shi)所謂容(rong)升(sheng)現象。感應耐壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)時(shi)。試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)變壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)的漏(lou)抗(kang)必須存在(zai)(zai)(zai)(zai)著壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)降。為(wei)了準確測(ce)量(liang)(liang)被試(shi)(shi)(shi)(shi)(shi)(shi)品(pin)上(shang)(shang)(shang)所施加電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya),因此常(chang)在(zai)(zai)(zai)(zai)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)側接入RCF阻(zu)容(rong)分壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)來測(ce)量(liang)(liang)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)。

工頻耐(nai)壓(ya)試驗操作注意事項

(1)試驗人員(yuan)應做好分工,明確相(xiang)互間聯系辦法。并有(you)專門人監護現場**及觀察試品狀態。

(2)被試品應清掃干(gan)凈,并**干(gan)燥,以免損壞被試品和試驗(yan)帶來的誤差。

(3)對(dui)丁大(da)型試驗,一般都應先進行(xing)空(kong)升試驗。即不接試品(pin)時升壓(ya)至試驗電壓(ya),校對(dui)各種表計,調整間隙。

(4)升壓(ya)速(su)度不能太(tai)快,并(bing)必須防止突(tu)然加壓(ya)。例如(ru)調(diao)壓(ya)器(qi)不在(zai)零(ling)位的突(tu)然合閘,也不能突(tu)然切斷(duan)電源,一般應(ying)在(zai)調(diao)壓(ya)器(qi)降(jiang)至零(ling)位時拉閘。

(5)當電(dian)壓升(sheng)至試驗電(dian)壓時(shi),開始計時(shi),到1min后(hou),迅速降到1/3試驗電(dian)壓以下(xia)時(shi),才能拉開電(dian)源。

(6)在升(sheng)壓或耐壓試驗過(guo)程,如發現下列(lie)不正常(chang)情況時,應立即降(jiang)壓,切斷(duan)電源(yuan),停止試驗并查明原因(yin):①電壓表指針擺動很大(da);②發現絕(jue)緣燒焦或冒煙;③被試品(pin)內(nei)有不正常(chang)的(de)聲(sheng)音。

(7)耐壓(ya)試驗前(qian)后應測量絕緣(yuan)電阻,檢查絕緣(yuan)情況。

試(shi)驗(yan)變壓器在做被試(shi)品的(de)直流耐壓或泄漏試(shi)驗(yan)時接(jie)線原理(li)圖如圖7。

注:此試驗應(ying)先(xian)抽出短路桿“D”,圖7中(zhong)所示。

 

 

 

 

 

 

 

圖7:高壓(ya)直流泄漏試驗接線圖

圖(tu):VD-高(gao)壓(ya)硅堆    R1-限流電(dian)阻    C1-高(gao)壓(ya)濾波電(dian)容(rong)

   FYQ-阻容分壓器    Cx-被(bei)試品    A-帶保護微安表

泄露試驗中(zhong)限(xian)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)R1選(xuan)擇在額定(ding)輸出電(dian)(dian)(dian)壓(ya)時,輸出端短(duan)路(lu)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)(liu)(liu)不(bu)超(chao)過高壓(ya)硅(gui)堆的大(da)整(zheng)流(liu)(liu)(liu)電(dian)(dian)(dian)流(liu)(liu)(liu)。如(ru)電(dian)(dian)(dian)壓(ya)硅(gui)堆的大(da)整(zheng)流(liu)(liu)(liu)電(dian)(dian)(dian)流(liu)(liu)(liu)為100mA時用于60KV的試驗裝置中(zhong)限(xian)流(liu)(liu)(liu)電(dian)(dian)(dian)陰按R1=60/0,1=600KΩ選(xuan)擇。限(xian)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)按R1=60/01=600KΩ選(xuan)擇,限(xian)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)應具有(you)足(zu)夠的容量(liang)和沿(yan)面放電(dian)(dian)(dian)距離(li)。高壓(ya)濾流(liu)(liu)(liu)電(dian)(dian)(dian)容C1一般選(xuan)擇在0.01-0.1HF,當(dang)被試品的電(dian)(dian)(dian)容量(liang)很大(da)時,C1可(ke)省略不(bu)用。

泄(xie)漏試驗的操作及(ji)注意事項

(1)試(shi)(shi)驗前應(ying)先檢(jian)查被試(shi)(shi)品是(shi)否停電(dian)(dian),接地放(fang)電(dian)(dian),一切對外連線(xian)是(shi)否擦凈。要(yao)嚴(yan)防將試(shi)(shi)驗電(dian)(dian)壓加到人工(gong)作部(bu)位上(shang)去(qu)。

(2)接(jie)好試驗(yan)裝置的接(jie)線后,應(ying)復查無(wu)誤后才可(ke)加壓(ya)。應(ying)特(te)別(bie)注意(yi)檢查高壓(ya)設備及引(yin)線與地與操作人員的**距離(li),被試品的外(wai)殼是否可(ke)靠接(jie)地,要按**規程中所規定的內容進(jin)行(xing)試驗(yan)。

(3)對(dui)于(yu)大電(dian)(dian)容(rong)量(liang)設備(bei)應緩(huan)慢(man)升壓(ya),防止被試(shi)品的(de)充(chong)電(dian)(dian)電(dian)(dian)流燒(shao)壞微安(an)表。必要時(shi)應分級加壓(ya),分別讀取各級電(dian)(dian)壓(ya)下微安(an)表的(de)穩定讀數。

(4)試驗過(guo)程(cheng),應密切(qie)監視(shi)被試品(pin)、試驗裝置(zhi)、微安表,一旦發生擊穿、閃(shan)爍等異常現(xian)象應立即降壓(ya),切(qie)斷電源(yuan),并查(cha)明(ming)原因(yin),詳細記(ji)錄(lu)。

(5)試(shi)驗完畢,降壓,切斷(duan)電源后(hou)應將被試(shi)品及試(shi)驗裝(zhuang)置本身充分放電。

五、、配(pei)套產品

1、操作系統:

  XZC系列操作箱(xiang):容量:1KVA-5KVA,輸入電(dian)壓:0.22KV

  KZT系列操(cao)作臺(tai):容(rong)量:10K/A-300KVA輸入電(dian)壓:0.22KV 、0.38KV

2、保護式數字微安表SWB-Ⅱ

3、阻容式交直(zhi)流(liu)分壓器FYQ-50、100、150、220KV

4、高壓(ya)直流放**FZ-70、140、210KV

5、高壓硅堆:2DL-150、300、450KV

6、絕(jue)緣支架50、100、200、300KV

7、高壓濾(lv)波電容0.01UF,40-100KV

8、均壓球

9、保護球隙:Q-50、100、150、200、250、500

10、標(biao)準試油杯400ml

11、介質油杯

12、折疊式小推車150、300型(xing)

13、水電(dian)阻

14、高壓(ya)驗(yan)電(dian)器10KV、35KV

15、高壓定相器10KV、35KV/110KV、220KV

16、各種(zhong)萬用表、兆歐(ou)表及測(ce)試線(xian)

、注意事項(xiang)

1、按照(zhao)您所進行的試驗接好(hao)工(gong)作線路。試驗變壓(ya)器的外殼以及(ji)操作系統(tong)的外殼必(bi)須(xu)可靠接地(di),試驗變壓(ya)器的高壓(ya)繞阻的x端(高壓(ya)尾)以及(ji)測量繞組的F端必(bi)須(xu)可靠接地(di)。

2、做串級(ji)試驗(yan)時(shi),**級(ji)、第三(san)級(ji)試驗(yan)變壓(ya)器(qi)的低壓(ya)繞組的X端,測量繞阻的F端以及高(gao)壓(ya)繞組的X端(高(gao)壓(ya)尾)均接本級(ji)試驗(yan)變壓(ya)器(qi)的外(wai)殼,**級(ji)、第三(san)級(ji)試驗(yan)變壓(ya)器(qi)的外(wai)殼必須通過絕緣支(zhi)架(jia)接地。

3、接(jie)通電源前,操作(zuo)系統的調壓器必須調 到(dao)零位后方可(ke)接(jie)通電源,合閘,開始升(sheng)壓。

4、從零(ling)開(kai)始勻(yun)帶旋(xuan)轉調壓(ya)(ya)器手輪升(sheng)(sheng)壓(ya)(ya)。升(sheng)(sheng)壓(ya)(ya)方式有:快速(su)升(sheng)(sheng)壓(ya)(ya)法(fa),即(ji)20S逐級升(sheng)(sheng)壓(ya)(ya)法(fa);慢速(su)升(sheng)(sheng)壓(ya)(ya)法(fa),即(ji)60S逐級升(sheng)(sheng)壓(ya)(ya)法(fa);極(ji)慢速(su)升(sheng)(sheng)壓(ya)(ya)法(fa)供選用。電(dian)壓(ya)(ya)從零(ling)開(kai)始按一(yi)(yi)定的(de)(de)升(sheng)(sheng)壓(ya)(ya)方式和(he)速(su)度上(shang)升(sheng)(sheng)到(dao)您(nin)所(suo)需的(de)(de)額(e)定試(shi)驗(yan)電(dian)壓(ya)(ya)的(de)(de)75%后(hou),再以每秒2%額(e)定試(shi)驗(yan)電(dian)壓(ya)(ya)從零(ling)開(kai)始按一(yi)(yi)定的(de)(de)升(sheng)(sheng)壓(ya)(ya)方式和(he)速(su)度上(shang)升(sheng)(sheng)到(dao)您(nin)所(suo)需的(de)(de)額(e)定試(shi)驗(yan)電(dian)壓(ya)(ya),并密切(qie)注(zhu)意測量(liang)儀(yi)表的(de)(de)批示(shi)以及(ji)被(bei)(bei)試(shi)品(pin)的(de)(de)情(qing)況。升(sheng)(sheng)壓(ya)(ya)過程(cheng)中或試(shi)驗(yan)過程(cheng)中如發現(xian)測量(liang)儀(yi)表的(de)(de)指示(shi)及(ji)被(bei)(bei)試(shi)品(pin)情(qing)況異(yi)常(chang),應立即(ji)降(jiang)壓(ya)(ya),切(qie)斷(duan)電(dian)源,查明情(qing)況。

5、試(shi)驗(yan)完(wan)畢(bi)后,應在(zai)數秒內勻速的將調壓器(qi)返回至零(ling)位,然后切(qie)斷電源。

6、本產(chan)品有得超過額定參數使用。除試(shi)驗必(bi)需外,決不允許全(quan)電壓通電或斷電。

7、使用本(ben)產(chan)品做高壓試(shi)驗時,除熟(shu)悉本(ben)說明外(wai),還(huan)必須嚴格(ge)執行國家有(you)關標準(zhun)和(he)操作規程(cheng),可參照GB311-83《高壓輸變設備(bei)的絕緣配合,高壓試(shi)驗技術(shu)》;《電氣(qi)設備(bei)預防性試(shi)驗規程(cheng)》等。

上(shang)海晟皋電氣科技有(you)限公(gong)司,您身邊的高壓測試專家!生產各種(zhong)高壓試(shi)驗變(bian)壓器,主要為(wei)電(dian)力(li)系(xi)統的發電(dian)、供(gong)電(dian)、用電(dian)部(bu)門,科(ke)研機構(gou)與電(dian)力(li)設備(bei)(bei)相關的生產企(qi)業(ye),提供(gong)先(xian)進(jin)的高(gao)壓試驗(yan)設備(bei)(bei)和(he)檢測儀(yi)器(qi)儀(yi)表,100KV高(gao)壓試驗(yan)變壓器(qi)廠家直銷,價格公道,質(zhi)量有(you)保(bao)障,歡迎來電咨詢(xun)!我公司將竭誠為您提供更放心、更的產(chan)品(pin)咨詢(xun)與技術服務,及(ji)時提供工程預約(yue)及(ji)產(chan)品(pin)使用疑難解答。

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