·過電壓整定撥盤開關:用于設定過電壓保護值。過壓整定范圍為0.05-1.2倍額定電壓內,撥盤開關所顯示值單位為kV。
·電源輸入插座:單相交流220V±10%,50Hz。將隨機配置的電源線與電源輸入插座相聯(插座內自帶保險管10A或單獨保險座)。
·高頻輸出及電壓、電流測量電纜快速聯接多芯插座:用于機箱與倍壓部分的聯接。聯接時只需將電纜插頭上的白點對準插座上的白點順時針方向轉動到位即可。拆卸時只需逆時針轉動電纜插頭即可。注意:安裝、拆卸插頭時,請握緊插頭的金屬圓環處旋轉。嚴禁手握電纜線旋轉及拉撥電纜線旋轉,以免造成插頭與電纜線之間斷線。
·接地接線柱:此接地端子與倍壓筒接地端子及試品接地聯接為一點后,再與接地網相連。
·數顯電壓表:LCD液晶數字顯示直流高壓輸出電壓,單位為kV,zui小分辨率為±0.1kV。
·數顯電流表:LCD液晶數字顯示直流高壓輸出電流,直流高壓發生器單位為uA,zui小分辨率為±0.1uA。
·電源開關:將此開關朝上邊按下,電源接通,綠燈亮;反之為關斷。避免用此開關直接關斷高壓,關機時,首先使電壓粗調和微調電位器都回到零位后,然后關閉電源開關。
·75%VDC-1mA用黃色帶燈按鈕:紅燈亮時有效。當按下黃色按鈕后黃燈亮,輸出高壓降到原來的0.75倍,并保持此狀態,此功能是專門為氧化鋅避雷器快速測量用0.75VDC-1mA,按下綠色按鈕紅燈、黃燈均滅,高壓切斷并退出0.75倍狀態。
·紅色帶燈按鈕、高壓接通按鈕、高壓指示燈:在綠燈亮的狀態下,按下紅色按鈕后,紅燈亮綠燈滅,表示高壓回路接通。此時可升壓。此按鈕須在電壓調節電位器回零狀態下才有效。如按下紅色按鈕紅燈亮,綠燈仍亮,但松開按鈕紅燈滅綠燈亮,表示機內保護電路已工作,此時必須關機檢查過壓整定撥盤開關是否小于滿量程的5%及有無其它故障,檢查無誤后再開機。
·綠色帶燈按鈕:綠燈亮表示電源已接通及高壓斷開。直流高壓發生器在紅燈亮狀態下,按下綠色按鈕,紅燈滅綠燈亮,高壓回路切斷。
·調(diao)電(dian)(dian)(dian)(dian)壓(ya)調(diao)節(jie)電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi):該(gai)電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi)粗調(diao)多(duo)圈電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi),順時針(zhen)旋轉為(wei)升壓(ya),反(fan)之為(wei)降壓(ya)。此(ci)電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi)具備控(kong)制電(dian)(dian)(dian)(dian)子零位(wei)(wei)保(bao)護(hu)功能。因此(ci)升壓(ya)前必須先回(hui)零位(wei)(wei)。電(dian)(dian)(dian)(dian)壓(ya)調(diao)節(jie)精(jing)度0.1%kV,試驗(yan)完畢后(hou),該(gai)電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi)應(ying)回(hui)到(dao)零位(wei)(wei)上(shang)。調(diao)電(dian)(dian)(dian)(dian)壓(ya)調(diao)節(jie)電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi):為(wei)調(diao)整精(jing)度用,該(gai)電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi)微(wei)調(diao)多(duo)圈電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi),順時針(zhen)旋轉為(wei)升壓(ya),升壓(ya)很微(wei)慢,反(fan)之為(wei)降壓(ya)。細調(diao)一般為(wei)zui后(hou)用于(yu)調(diao)整電(dian)(dian)(dian)(dian)壓(ya)準確數(shu)和做氧化鋅避雷器(qi)(qi)(qi)試驗(yan),zui后(hou)調(diao)整電(dian)(dian)(dian)(dian)流(liu)準確數(shu)用。試驗(yan)完畢后(hou),該(gai)電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)(qi)(qi)應(ying)回(hui)到(dao)零位(wei)(wei)上(shang)。
