一、簡述

GDJS-12型變壓(ya)(ya)器(qi)(qi)(qi)(qi)油介(jie)(jie)(jie)(jie)損(sun)測(ce)試(shi)(shi)儀(yi)(yi)是用于絕緣油等(deng)液(ye)體(ti)(ti)絕緣介(jie)(jie)(jie)(jie)質(zhi)的(de)(de)介(jie)(jie)(jie)(jie)質(zhi)損(sun)耗(hao)角及(ji)(ji)體(ti)(ti)積電(dian)(dian)(dian)(dian)(dian)阻率測(ce)試(shi)(shi)的(de)(de)一體(ti)(ti)化結構的(de)(de)高(gao)(gao)精(jing)(jing)密儀(yi)(yi)器(qi)(qi)(qi)(qi)。內部(bu)(bu)集成了(le)介(jie)(jie)(jie)(jie)損(sun)油杯(bei)、溫(wen)控儀(yi)(yi)、溫(wen)度傳感器(qi)(qi)(qi)(qi)、介(jie)(jie)(jie)(jie)損(sun)測(ce)試(shi)(shi)電(dian)(dian)(dian)(dian)(dian)橋、交(jiao)流試(shi)(shi)驗電(dian)(dian)(dian)(dian)(dian)源(yuan)、標準(zhun)(zhun)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)、高(gao)(gao)阻計、直(zhi)流高(gao)(gao)壓(ya)(ya)源(yuan)等(deng)主要部(bu)(bu)件。其(qi)中(zhong)加熱部(bu)(bu)分采用了(le)當前較(jiao)為(wei)*的(de)(de)高(gao)(gao)頻(pin)感應加熱方(fang)式(shi)，該(gai)加熱方(fang)式(shi)具備油杯(bei)與(yu)加熱體(ti)(ti)非接觸、加熱均勻、速(su)度快、控制方(fang)便等(deng)優點。交(jiao)流試(shi)(shi)驗電(dian)(dian)(dian)(dian)(dian)源(yuan)采用AC-DC-AC轉換方(fang)式(shi)，有效(xiao)避免市電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)及(ji)(ji)頻(pin)率波動(dong)對介(jie)(jie)(jie)(jie)損(sun)測(ce)試(shi)(shi)準(zhun)(zhun)確(que)性影(ying)響(xiang)，即便是發(fa)電(dian)(dian)(dian)(dian)(dian)機發(fa)電(dian)(dian)(dian)(dian)(dian)，該(gai)儀(yi)(yi)器(qi)(qi)(qi)(qi)也能(neng)正確(que)運行。內部(bu)(bu)標準(zhun)(zhun)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)為(wei)SF6充氣三(san)極式(shi)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)，該(gai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)介(jie)(jie)(jie)(jie)損(sun)及(ji)(ji)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量(liang)不受(shou)環境溫(wen)度、濕度等(deng)影(ying)響(xiang)，保(bao)證儀(yi)(yi)器(qi)(qi)(qi)(qi)長時(shi)間使(shi)用后(hou)(hou)仍然精(jing)(jing)度*。變壓(ya)(ya)器(qi)(qi)(qi)(qi)油介(jie)(jie)(jie)(jie)損(sun)測(ce)試(shi)(shi)儀(yi)(yi)內部(bu)(bu)標準(zhun)(zhun)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)為(wei)SF6 充氣三(san)電(dian)(dian)(dian)(dian)(dian)極式(shi)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)，該(gai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)介(jie)(jie)(jie)(jie)損(sun)及(ji)(ji)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量(liang)不受(shou)環境溫(wen)度、濕度等(deng)影(ying)響(xiang)，使(shi)儀(yi)(yi)器(qi)(qi)(qi)(qi)精(jing)(jing)度在長時(shi)間使(shi)用后(hou)(hou)仍然得到保(bao)證。儀(yi)(yi)器(qi)(qi)(qi)(qi)變壓(ya)(ya)器(qi)(qi)(qi)(qi)油介(jie)(jie)(jie)(jie)損(sun)測(ce)試(shi)(shi)儀(yi)(yi)內部(bu)(bu)采用全數字(zi)技術，全部(bu)(bu)智能(neng)自動(dong)化測(ce)量(liang)，多(duo)種模式(shi)測(ce)式(shi)，配備了(le)大屏幕(mu)（320×240）觸控式(shi)顯示器(qi)(qi)(qi)(qi)，全中(zhong)文(wen)菜單，每一步(bu)驟都有中(zhong)文(wen)提示，測(ce)試(shi)(shi)結果(guo)可以(yi)打印(yin)輸出，操作(zuo)人員不需專業培訓就能(neng)熟練使(shi)用。

二、變壓器油介損快速測試儀功能特點：

1 內部集成了介損油杯、溫(wen)控儀、溫(wen)度(du)傳(chuan)感器(qi)、介損測試(shi)電(dian)橋、交流(liu)試(shi)驗電(dian)源、標準電(dian)容器(qi)、高阻計、直流(liu)高壓(ya)源等主要部件；

2 交流(liu)試驗電(dian)(dian)(dian)源采用AC-DC-AC轉(zhuan)換(huan)方式，有效避免市電(dian)(dian)(dian)電(dian)(dian)(dian)壓及(ji)頻率波動對(dui)介損測(ce)試準確(que)(que)性影響，即便是發(fa)電(dian)(dian)(dian)機發(fa)電(dian)(dian)(dian)，該(gai)儀器也能正確(que)(que)運(yun)行；

3 內部標(biao)準(zhun)電(dian)容(rong)器為(wei)SF6充氣三極(ji)式(shi)電(dian)容(rong)，該電(dian)容(rong)的介損及(ji)電(dian)容(rong)量(liang)不受環境溫度、濕度等影(ying)響，保證(zheng)儀(yi)器長時間使用后(hou)仍(reng)然精度*。

三、變壓器油介損快速測試儀主要參數：

交流高壓輸出

400～2200V ±2% 每隔100V 50VA

直流高壓輸出

200～600V ±2%

溫控感應爐

500W

溫度控制范圍

<100℃

溫度控制誤差

±0.5℃

溫度測量分辨率

0.1℃

測量范圍

Tgδ 無限(xian)制，分(fen)辨(bian)率：0.001%，精(jing)度：±讀數*0.5%+0.020%

Cx 15PF～300PF，分辨率：0.01pF，精度：±讀(du)數*0.5%+0.5PF

Rx 10M～20T，分辨率：0.01，精度：±讀數(shu)*10%

工作電源

AC 220（1±10% ）V/50Hz

外形尺寸

450mm×310mm×360mm

重(zhong)    量

約18kg

四、性能特點：

1、采用電磁感應加熱技術，加熱均勻，升溫速度快，時間短。
2、輸出電壓0~2000V連續可調，適合不同試品的各電壓等級需要。
3、控溫準確，不受環境溫度高低的影響。
4、測量精度高，數據穩定、重復性好。
5、有開機檢測接地電路，不接地線或接地不好給予提示。
6、有短(duan)路保護電路，油杯短(duan)路或高壓輸出短(duan)路

注意事項：變壓(ya)器油(you)介(jie)損(sun)測(ce)試儀需要運輸(shu)時，須(xu)用良(liang)好的包裝箱和有效的減震措施，以免損(sun)壞給您造成不必(bi)要的損(sun)失(shi)。應放(fang)置在(zai)干燥無(wu)塵(chen)、通風無(wu)腐蝕性(xing)氣(qi)體(ti)的室內(nei)