水內冷發電機組通水直流耐壓試驗裝置簡介:根據“低壓(ya)屏蔽法"原理研(yan)制，實現了(le)在通水情況下對水內(nei)冷(leng)發(fa)電(dian)(dian)機進(jin)行(xing)直流耐壓(ya)和直流泄漏電(dian)(dian)流的試驗。*克服了(le)吹水時間長，底部積水難(nan)吹干，易引起線圈內(nei)拉弧等難(nan)題。

水內冷發電機組通水直流耐壓試驗裝置特點

根據“低壓(ya)屏蔽法”原理研制的(de)，實現了(le)在通水(shui)(shui)情況下對水(shui)(shui)內(nei)冷發電機(ji)進行直(zhi)流(liu)耐壓(ya)和直(zhi)流(liu)泄漏(lou)電流(liu)的(de)試驗。*克服了(le)吹水(shui)(shui)時間(jian)長，底部(bu)積水(shui)(shui)難吹干，易(yi)引起線(xian)圈(quan)內(nei)拉弧等難題。

整套裝置(zhi)接線簡(jian)單(dan)，極化補償電壓(ya)由(you)機(ji)箱直接輸出。采用電子 控制與調諧(xie)，操作方(fang)便；電(dian)壓、電(dian)流(liu)(liu)均在面板計(ji)上(shang)一(yi)次讀數無需換(huan)算。一(yi)分鐘定時及提示功能(neng)，按試驗規程要(yao)求(qiu)設定。機內過(guo)壓過(guo)流(liu)(liu)保護(hu)功能(neng)完善，外附(fu)氧化鋅過(guo)壓保護(hu)裝置更(geng)確(que)保發(fa)電(dian)機安全，*。便攜式結構，特別適合現場試驗。

技術(shu)參數(shu)：

高壓(ya)輸出額定(ding)電壓(ya)：直流0～60/80kV 連續可調(diao)

高壓額定功(gong)率：5kW～24kW

輸出電壓測量：模擬/數字雙顯±2.0%（滿度）

定子繞組泄漏電流測量：模擬μA表±2.0%（滿度）

高壓輸出額定電流：50mA～300mA

電(dian)(dian)壓穩定度(du)：隨機波動，電(dian)(dian)源電(dian)(dian)壓變化(hua)±10%時小于2%

輸出總電流測量：數顯mA表±1%（滿度(du)）

匯水管極化電(dian)勢補(bu)償：補(bu)償電(dian)壓±2.5V。升壓前，調(diao)節面板上的“補償調(diao)零電位器”使(shi)μA表(biao)指零

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