一、簡述

GDJS-12型(xing)變(bian)壓(ya)器油(you)(you)介損(sun)測試(shi)(shi)儀(yi)是用(yong)(yong)于絕緣(yuan)(yuan)油(you)(you)等(deng)液體(ti)絕緣(yuan)(yuan)介質(zhi)的(de)介質(zhi)損(sun)耗角(jiao)及(ji)體(ti)積電(dian)(dian)(dian)(dian)(dian)阻率(lv)測試(shi)(shi)的(de)一體(ti)化(hua)(hua)結構(gou)的(de)高精(jing)密儀(yi)器。內(nei)部集成了介損(sun)油(you)(you)杯(bei)、溫控儀(yi)、溫度傳(chuan)感(gan)(gan)器、介損(sun)測試(shi)(shi)電(dian)(dian)(dian)(dian)(dian)橋、交(jiao)流(liu)(liu)試(shi)(shi)驗(yan)電(dian)(dian)(dian)(dian)(dian)源、標準(zhun)電(dian)(dian)(dian)(dian)(dian)容(rong)器、高阻計、直流(liu)(liu)高壓(ya)源等(deng)主要部件。其(qi)中(zhong)(zhong)加熱部分采(cai)用(yong)(yong)了當前較(jiao)為(wei)*的(de)高頻感(gan)(gan)應加熱方式，該(gai)加熱方式具備油(you)(you)杯(bei)與加熱體(ti)非接觸、加熱均勻(yun)、速(su)度快(kuai)、控制方便(bian)等(deng)優點(dian)。交(jiao)流(liu)(liu)試(shi)(shi)驗(yan)電(dian)(dian)(dian)(dian)(dian)源采(cai)用(yong)(yong)AC-DC-AC轉換方式，有效避免市電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)及(ji)頻率(lv)波動(dong)對(dui)介損(sun)測試(shi)(shi)準(zhun)確(que)性影響(xiang)，即(ji)便(bian)是發(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)發(fa)電(dian)(dian)(dian)(dian)(dian)，該(gai)儀(yi)器也(ye)能(neng)(neng)正確(que)運(yun)行。內(nei)部標準(zhun)電(dian)(dian)(dian)(dian)(dian)容(rong)器為(wei)SF6充氣(qi)三極式電(dian)(dian)(dian)(dian)(dian)容(rong)，該(gai)電(dian)(dian)(dian)(dian)(dian)容(rong)的(de)介損(sun)及(ji)電(dian)(dian)(dian)(dian)(dian)容(rong)量不受環(huan)境溫度、濕(shi)度等(deng)影響(xiang)，保證儀(yi)器長時間使用(yong)(yong)后仍(reng)(reng)然精(jing)度*。變(bian)壓(ya)器油(you)(you)介損(sun)測試(shi)(shi)儀(yi)內(nei)部標準(zhun)電(dian)(dian)(dian)(dian)(dian)容(rong)器為(wei)SF6 充氣(qi)三電(dian)(dian)(dian)(dian)(dian)極式電(dian)(dian)(dian)(dian)(dian)容(rong)，該(gai)電(dian)(dian)(dian)(dian)(dian)容(rong)的(de)介損(sun)及(ji)電(dian)(dian)(dian)(dian)(dian)容(rong)量不受環(huan)境溫度、濕(shi)度等(deng)影響(xiang)，使儀(yi)器精(jing)度在長時間使用(yong)(yong)后仍(reng)(reng)然得到保證。儀(yi)器變(bian)壓(ya)器油(you)(you)介損(sun)測試(shi)(shi)儀(yi)內(nei)部采(cai)用(yong)(yong)全(quan)數字技術，全(quan)部智能(neng)(neng)自動(dong)化(hua)(hua)測量，多種模式測式，配(pei)備了大(da)屏幕（320×240）觸控式顯(xian)示器，全(quan)中(zhong)(zhong)文(wen)菜單，每一步驟都有中(zhong)(zhong)文(wen)提示，測試(shi)(shi)結果可(ke)以打印輸出(chu)，操作(zuo)人員不需專業培訓(xun)就能(neng)(neng)熟練使用(yong)(yong)。

二、變壓器油介損快速測試儀功能特點：

1 內部(bu)集成(cheng)了介損油杯、溫控儀、溫度傳感器、介損測試電(dian)(dian)橋(qiao)、交流試驗電(dian)(dian)源(yuan)(yuan)、標準電(dian)(dian)容器、高阻計、直流高壓源(yuan)(yuan)等主要部(bu)件(jian)；

2 交流試(shi)驗電(dian)(dian)源采用(yong)AC-DC-AC轉換方式，有效(xiao)避免市(shi)電(dian)(dian)電(dian)(dian)壓(ya)及(ji)頻率波動對介損測試(shi)準確性影響，即便是(shi)發電(dian)(dian)機發電(dian)(dian)，該儀(yi)器(qi)也(ye)能正確運行；

3 內部(bu)標(biao)準(zhun)電容(rong)器(qi)為(wei)SF6充(chong)氣(qi)三極式(shi)電容(rong)，該電容(rong)的介(jie)損及(ji)電容(rong)量(liang)不受環境溫度、濕度等影響，保(bao)證(zheng)儀器(qi)長時(shi)間使用后仍然精度*。

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 無限制(zhi)，分辨率：0.001%，精(jing)度：±讀數*0.5%+0.020%

Cx 15PF～300PF，分辨率：0.01pF，精(jing)度：±讀數*0.5%+0.5PF

Rx 10M～20T，分辨率：0.01，精度：±讀數*10%

工作電源

AC 220（1±10% ）V/50Hz

外形尺寸

450mm×310mm×360mm

重    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(lu)(lu)保(bao)護(hu)電路(lu)(lu)，油(you)杯(bei)短(duan)路(lu)(lu)或(huo)高壓輸(shu)出(chu)短(duan)路(lu)(lu)

注意事項：變壓器油介損測試儀需要運輸時，須用(yong)良好的(de)包裝箱和有(you)效的(de)減(jian)震措施(shi)，以免損壞(huai)給(gei)您造成不必要的(de)損失(shi)。應放(fang)置在干燥無塵、通風無腐蝕(shi)性氣體的(de)室內