YLZF系列直流高壓發生器

▍  簡要說(shuo)明  　↴

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　　直流高壓(ya)發(fa)生器(qi)是進(jin)行直流(liu)耐壓試(shi)驗和測量泄漏電流(liu)的專用儀(yi)器設(she)(she)備，是對電纜、避雷器、高壓電氣設(she)(she)備進(jin)行絕緣檢測試(shi)驗的必要儀(yi)器。直流(liu)高壓發(fa)生器(qi)的用途主要適用于(yu)電力部門(men)、廠礦企業(ye)動力部門(men)、科研單位、鐵(tie)路、化(hua)(hua)工、發電廠等對氧化(hua)(hua)鋅(xin)避雷(lei)器、磁吹避雷(lei)器、電力電纜、發電機、變壓器、開關等設(she)備的(de)直(zhi)流高壓試驗(yan)。

　　YLZF系列直流高壓發生器是陜西意聯電氣 新(xin)研制出的(de)新(xin)一代智能型(xing)直(zhi)流高(gao)壓發生器，其采用PWM高頻脈寬(kuan)調(diao)制技(ji)術閉環調(diao)整，電壓(ya)穩(wen)定(ding)性(xing)高，脈動(dong)因數(shu)小，同時具有快速可靠的(de)保護電路(lu)；采用綠色背光(guang)源的(de)寬(kuan)溫(wen)液晶顯示屏，可適用于強光(guang)及黑暗中清(qing)晰顯示數(shu)據(ju)；高壓(ya)單元以硅膠全固體(ti)封裝(zhuang)，設備性(xing)能穩(wen)定(ding)可靠。使(shi)直流高壓(ya)發生(sheng)器(qi)具備了高品質、便攜式，并能(neng)承受(shou)額定(ding)電(dian)(dian)壓(ya)放電(dian)(dian)而不損壞。YLZF系(xi)列直流高壓發生器廣泛應用于電力系(xi)統預防(fang)性試驗工作中，其(qi)優異的性能(neng)獲得(de)了廣大用戶的一(yi)致好評。

　　YLZF系列直流高(gao)壓發生器主要部件選用美國(guo)、德國(guo)、日本等(deng)國(guo)先進技術的元器(qi)件，使儀器(qi)更可靠、更穩定，倍(bei)壓筒體積(ji)小，容量大(da)，過載能力(li)強，便于(yu)現場作業試驗。我公司(si)視質(zhi)量和(he)信譽為生(sheng)命，不斷(duan)提高科技水(shui)平，研制出優質(zhi)產品，以滿(man)足(zu)用戶的需要。

▍  功能特點  　↴

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1、 采用PWM高頻脈寬調制技術閉(bi)環調整，電(dian)(dian)壓(ya)穩定性高，紋波系數小，保護(hu)電(dian)(dian)路快速(su)可(ke)靠，可(ke)耐受大電(dian)(dian)容試品對地直接放電(dian)(dian)。
2、 可全量程線性平滑調整電壓，具有較高的電壓電流(liu)測量精度。
3、 具(ju)有過(guo)壓靜(jing)設定功(gong)能(neng)和完善(shan)的過(guo)壓、過(guo)流(liu)、短路放電(dian)(dian)保護(hu)功(gong)能(neng)；具(ju)有斷線和非零電(dian)(dian)位(wei)啟動保護(hu)功(gong)能(neng)，保證(zheng)操作者(zhe)及試(shi)品安全。
4、 具有75%電(dian)壓切換按鈕，測試氧化鋅避雷器泄露電(dian)流簡單方便。
5、 供(gong)電電源(yuan)AC220V，50Hz，在工作現(xian)場可全(quan)天候使(shi)用。
6、 高壓倍壓器采用硅膠全固體封裝，寬大底(di)座光質外筒，放置(zhi)穩定；防震(zhen)控制箱(xiang)整體設計，具有簡潔(jie)、明確(que)的面板設計和(he)操作聲音(yin)提示；整機(ji)體積小，重(zhong)量輕，方便野外使用。

▍  型號規格  　↴

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型號(hao)	輸(shu)出電壓 （KV）	輸出電流 （mA)	控制箱體積 （mm）	高壓箱體積(mm)
YLZF 60/2-5	60	2-5	310 x 250 x 230	470 x 260 x 220
YLZF 80/2-5	80	2-5	310 x 250 x 230	490 x 260 x 220
YLZF 100/2-5	100	2-5	310 x 250 x 230	550 x 260 x 220
YLZF 120/2--5	120	2-5	310 x 250 x 230	600 x 260 x 220
YLZF 200/2-5	200	2-5	310 x 250 x 230	1000 x 280 x 270
YLZF 300/2-5	300	2-5	310 x 250 x 230	1300 x 280 x 270

▍  技術參數  　↴

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✔ 高(gao)壓(ya)極(ji)性：負電(dian)壓(ya)極(ji)性，零電(dian)壓(ya)啟動，線(xian)性連續可調(diao)。

✔ 工作(zuo)電源：AC220V±10%，50HZ。
✔ 電壓測量(liang)誤差：0.5%±1個(ge)字，zui高(gao)分辨(bian)率0.1KV。
✔ 電(dian)流測量誤差：0.5%±1個字，zui高分辨率0.1μA。
✔ 紋波系數：優(you)于(yu)0.5%。
✔ 電(dian)壓(ya)穩定度：隨機波動，電(dian)網變(bian)化±10%時(shi)≤0.5%。
✔ 工作(zuo)方式：間(jian)斷工作(zuo)制，額定負載60分鐘。
✔ 環境溫(wen)度：-20℃→50℃。
✔ 相(xiang)對濕度：溫度為25℃時，不大于90%。
✔ 海拔(ba)高度(du)：3000米(mi)以下。

▍  工作原理框圖  　↴

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▍  操作規程及使用方法  　↴

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●　控(kong)制(zhi)(zhi)箱(xiang)上(shang)的(de)顯示燈、開關、旋鈕等已(yi)標清楚，看此(ci)操作(zuo)說明時請(qing)參照控(kong)制(zhi)(zhi)箱(xiang)的(de)面(mian)板上(shang)元器(qi)件名稱(cheng)使(shi)用。
●　倍壓筒底盤(pan)側面有（四）五芯插座為(wei)聯接控(kong)制箱(xiang)電纜之(zhi)插座，底盤(pan)側面有銅接線柱為(wei)接地端(duan)子作連(lian)接地線用。
●　附帶(dai)的高(gao)壓屏(ping)蔽電流表(biao)為(wei)數顯微安表(biao)，表(biao)頂(ding)端上的插孔為(wei)連接被試品的線(xian)插孔，同時(shi)也作為(wei)電源開關(guan)，不(bu)用時(shi)請拔掉插頭(tou)，就自動關(guan)閉電源。換電池時(shi)請將后(hou)(hou)蓋旋下，換好后(hou)(hou)請將后(hou)(hou)蓋旋緊。

1、使用(yong)前(qian)準(zhun)備
⑴ 　直流發生器在使用前(qian)應(ying)檢查其完好性(xing),聯接電(dian)纜(lan)線(xian)不應(ying)有斷(duan)路和短路，設備無(wu)破裂(lie)等損壞。

⑵　將機箱、倍壓筒(tong)放置(zhi)到合(he)適的(de)安(an)全的(de)位(wei)(wei)置(zhi)，分別(bie)聯接(jie)(jie)(jie)好電源(yuan)線(xian)(xian)、電纜線(xian)(xian)和接(jie)(jie)(jie)地(di)(di)(di)線(xian)(xian)。保護(hu)接(jie)(jie)(jie)地(di)(di)(di)線(xian)(xian)與工作接(jie)(jie)(jie)地(di)(di)(di)線(xian)(xian)以及放電棒的(de)接(jie)(jie)(jie)地(di)(di)(di)線(xian)(xian)均(jun)應單獨接(jie)(jie)(jie)到試(shi)品的(de)地(di)(di)(di)線(xian)(xian)上(shang)(即(ji)一點接(jie)(jie)(jie)地(di)(di)(di))并確保接(jie)(jie)(jie)地(di)(di)(di)良好。嚴禁各接(jie)(jie)(jie)地(di)(di)(di)線(xian)(xian)相(xiang)互串聯使用，以免(mian)擊穿時地(di)(di)(di)電位(wei)(wei)抬(tai)高形成反擊，損壞(huai)儀器。

⑶ 　檢查電(dian)(dian)源開關是(shi)否在(zai)(zai)關斷的位(wei)置上(shang)(shang)，并(bing)檢查調壓(ya)電(dian)(dian)位(wei)器(qi)應(ying)在(zai)(zai)零位(wei)上(shang)(shang),過電(dian)(dian)壓(ya)保護(hu)整定撥盤開關設置在(zai)(zai)適當的位(wei)置上(shang)(shang)，一般為(wei)1.10～1.20倍測試(shi)電(dian)(dian)壓(ya)值。

2、空(kong)載升壓驗證過電(dian)壓保(bao)護整(zheng)定值

⑴ 請認準電源(yuan)是單(dan)相交流220V，50Hz.接(jie)通電源(yuan)開(kai)關,此(ci)時綠燈亮,表示(shi)電源(yuan)接(jie)通。

⑵ 按紅(hong)色按鈕，則紅(hong)燈亮，表示(shi)高(gao)壓接(jie)通。

⑶ 順時(shi)針方向平緩調節調壓(ya)電(dian)位器，輸出(chu)端即(ji)從零開始升(sheng)壓(ya)。電(dian)壓(ya)表(biao)顯(xian)示為(wei)負(fu)載試品上的電(dian)壓(ya)（KV）值，電(dian)流表(biao)則顯(xian)示試品上流過(guo)的電(dian)流與所有泄漏(lou)電(dian)流之和，電(dian)流以微安（uA）為(wei)單位。升(sheng)到所需(xu)的電(dian)壓(ya)后，按規定時(shi)間記錄電(dian)流表(biao)讀數，并檢查控制箱及輸出(chu)電(dian)纜有無(wu)異常現象及聲響(xiang)。

⑷ 降壓，將(jiang)調壓電位器回零后，隨后按(an)(an)綠色按(an)(an)鈕，切斷(duan)高壓并關閉(bi)電源(yuan)開關。

3、對試(shi)品進行泄漏及直流耐(nai)壓試(shi)驗

⑴ 在做(zuo)負(fu)載試驗(yan)前，將高壓(ya)屏蔽微安(an)(an)表安(an)(an)裝到(dao)倍(bei)壓(ya)筒上(shang)(shang)的高壓(ya)輸出端(duan)上(shang)(shang)，并(bing)將配套的專用(yong)高壓(ya)線分別接到(dao)微安(an)(an)表上(shang)(shang)和(he)被試品上(shang)(shang)。

⑵ 檢(jian)查儀器、放(fang)電棒、倍壓(ya)筒(tong)、試品聯接線、接地線是否(fou)正確，接地線聯接是否(fou)可靠(kao)，檢(jian)查高(gao)壓(ya)安(an)全距離是否(fou)符合要求，方可開(kai)始進行(xing)試品的高(gao)壓(ya)試驗。

⑶ 檢查確認儀器等無異常情況(kuang)后，接(jie)(jie)通單相交(jiao)流(liu)220V電源(yuan)開關，此時綠燈亮(liang)，表示電源(yuan)接(jie)(jie)通。可(ke)開始進(jin)行試(shi)品的直流(liu)泄(xie)漏和(he)直流(liu)耐壓試(shi)驗。

⑷ 按紅色按鈕，則紅燈亮，表示高壓接通，待升高壓。

⑸ 順時(shi)針方向(xiang)平緩調(diao)節調(diao)壓(ya)電(dian)(dian)(dian)位器,輸出端即從零開始升(sheng)壓(ya)。升(sheng)壓(ya)速(su)度(du)以(yi)每秒(miao)3-5kV上升(sheng)試驗電(dian)(dian)(dian)壓(ya)為宜。對于大電(dian)(dian)(dian)容試品升(sheng)壓(ya)時(shi)則需要(yao)緩慢升(sheng)壓(ya)，否則可能導致電(dian)(dian)(dian)壓(ya)過(guo)沖,還需監視電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)表充電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)不超過(guo)直流(liu)(liu)(liu)(liu)發生器的zui大充電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)。當升(sheng)到所需的電(dian)(dian)(dian)壓(ya)或電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)后，按規(gui)定時(shi)間記錄電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)表及電(dian)(dian)(dian)壓(ya)表的讀(du)數。

⑹ 試驗(yan)完(wan)畢后，降壓，將調壓電位(wei)器回零后，隨后按(an)綠(lv)色(se)按(an)鈕，切(qie)斷高壓并(bing)關閉電源(yuan)開關。

⑺ 試(shi)(shi)驗完畢后(hou)(hou)(hou)(hou)，應(ying)用(yong)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)棒對(dui)試(shi)(shi)品進(jin)行(xing)多次(ci)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)，放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)后(hou)(hou)(hou)(hou)方可(ke)靠近試(shi)(shi)品和(he)拆線工(gong)作 (放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)請詳細見(jian)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)棒使用(yong)說明書)。對(dui)小電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)試(shi)(shi)品如(ru)氧化(hua)鋅(xin)避雷(lei)器(qi)、磁吹避雷(lei)器(qi)等緩(huan)緩(huan)調(diao)(diao)節(jie)調(diao)(diao)壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)升(sheng)壓(ya)到(dao)所需的(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(電(dian)(dian)(dian)(dian)(dian)(dian)流)值(zhi)，然后(hou)(hou)(hou)(hou)從數顯表(biao)上讀出電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(電(dian)(dian)(dian)(dian)(dian)(dian)流)數值(zhi)。如(ru)需對(dui)氧化(hua)鋅(xin)避雷(lei)器(qi)進(jin)行(xing)75%VDC-1mA的(de)測(ce)量時(shi)(shi)(shi)，應(ying)先升(sheng)到(dao)電(dian)(dian)(dian)(dian)(dian)(dian)流到(dao)1000uA時(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)值(zhi)停止(這時(shi)(shi)(shi)可(ke)記(ji)錄電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)、電(dian)(dian)(dian)(dian)(dian)(dian)流值(zhi))，然后(hou)(hou)(hou)(hou)按(an)下黃色(se)按(an)鈕,電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)即(ji)降(jiang)到(dao)原來的(de)75%,并(bing)(bing)保(bao)持此狀態(tai)。此時(shi)(shi)(shi)可(ke)讀取微安表(biao)數值(zhi)及電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)值(zhi)。測(ce)量完畢后(hou)(hou)(hou)(hou),調(diao)(diao)壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)逆時(shi)(shi)(shi)針回到(dao)零(ling)位(wei)(wei),按(an)下綠(lv)色(se)按(an)鈕,需再次(ci)升(sheng)壓(ya)時(shi)(shi)(shi)按(an)紅色(se)按(an)鈕即(ji)可(ke)。對(dui)大電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)試(shi)(shi)品時(shi)(shi)(shi)，升(sheng)壓(ya)應(ying)更要(yao)緩(huan)慢，并(bing)(bing)需要(yao)監視電(dian)(dian)(dian)(dian)(dian)(dian)流表(biao)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流不(bu)超過發生器(qi)的(de)zui大充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流，一定要(yao)放(fang)(fang)慢升(sheng)壓(ya)速(su)度,避免充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流過大。試(shi)(shi)驗完畢后(hou)(hou)(hou)(hou)，將電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)調(diao)(diao)節(jie)電(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)逆時(shi)(shi)(shi)針回到(dao)零(ling)位(wei)(wei)上，隨后(hou)(hou)(hou)(hou)按(an)綠(lv)色(se)按(an)鈕，切斷高壓(ya)。此時(shi)(shi)(shi)注意電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)表(biao)上的(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)降(jiang)到(dao)20kV左(zuo)右,方可(ke)用(yong)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)棒進(jin)行(xing)多次(ci)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)，確保(bao)安全。

4、在使用(yong)過程中發(fa)現紅燈滅(mie)，綠燈亮，直流(liu)高(gao)壓(ya)下(xia)降，即為有關保護動作。此時應按下(xia)列步驟操作:

⑴ 將調壓電位器退回零位。

⑵ 關閉(bi)電源(yuan)開(kai)關,面板指示燈均(jun)不(bu)亮。

⑶ 一分(fen)鐘后,待機內(nei)低壓(ya)(ya)電(dian)容器充(chong)分(fen)放電(dian)后，才允許再次(ci)打開電(dian)源開關。重新進行空載試驗(yan)，并查明情況后，可(ke)再次(ci)升(sheng)壓(ya)(ya)試驗(yan)

5、注意(yi)：做電(dian)纜(lan)試驗時，要安裝限流(liu)電(dian)阻(zu)使用。（做其它試驗時，不能使用限流(liu)電(dian)阻(zu)），僅限于120KV以(yi)上。

▍  注意事項  　↴

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1、為確保人身安(an)全，在此反復提醒用戶注意控(kong)制箱及倍壓筒(tong)(tong)的良好接地(di)以及停機后(hou)的試品及倍壓筒(tong)(tong)放電問題(ti)。

2、防止異物進入控制箱(xiang)，如(ru)控制箱(xiang)有(you)風(feng)扇時，應經常檢查風(feng)扇是否正常運轉。

3、當倍壓筒絕緣(yuan)筒臟污時請用(yong)(yong)干(gan)布擦凈，不可(ke)用(yong)(yong)酒(jiu)精，汽油等有機類溶(rong)劑擦洗(xi)(xi)(xi)。可(ke)用(yong)(yong)洗(xi)(xi)(xi)滌劑清(qing)洗(xi)(xi)(xi)絕緣(yuan)筒表面，等風干(gan)后方(fang)可(ke)使用(yong)(yong)，運輸或不使用(yong)(yong)時請放(fang)入(ru)箱內。

4、換(huan)保(bao)(bao)險管時，請按保(bao)(bao)險管座(zuo)旁(pang)標定的(de)安培數更(geng)換(huan)保(bao)(bao)險管。

5、若高壓屏(ping)蔽微安表上顯示(shi)"LOW BAT"時，請更換9V電池，以避免測量誤(wu)差。

6、未經(jing)允許(xu)，請勿開啟控制箱及倍(bei)壓筒，否則會(hui)影響產品的保修，自(zi)行拆(chai)卸廠方概(gai)不負責。

7、儀器運輸(shu)時應避免雨(yu)水浸蝕(shi),嚴防碰撞和墜落(luo)。

▍  故障檢定及處理  　↴

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若按以上方法還不能排除(chu)故障，請與我司聯(lian)系。

▍  產品實拍(pai)  　↴

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