三倍頻(pin)試驗(yan)(yan)(yan)(yan)儀是(shi)為(wei)了滿足GB1094.3—85、GB1207和(he)電(dian)(dian)氣(qi)設(she)備預(yu)防(fang)性(xing)試驗(yan)(yan)(yan)(yan)規程—1995中三倍頻(pin)感(gan)應耐壓(ya)試驗(yan)(yan)(yan)(yan)和(he)局放試驗(yan)(yan)(yan)(yan)而設(she)計。 變(bian)壓(ya)器(qi)、互感(gan)器(qi)感(gan)應耐壓(ya)試驗(yan)(yan)(yan)(yan)是(shi)檢驗(yan)(yan)(yan)(yan)該產品是(shi)否符(fu)合國家標準的(de)(de)(de)一項重要(yao)試驗(yan)(yan)(yan)(yan)。繞(rao)組(zu)(zu)的(de)(de)(de)層間、匝間、段(duan)及相間絕緣(yuan)的(de)(de)(de)縱絕緣(yuan)感(gan)應試驗(yan)(yan)(yan)(yan)，是(shi)考驗(yan)(yan)(yan)(yan)繞(rao)組(zu)(zu)是(shi)否符(fu)合要(yao)求的(de)(de)(de)一個重要(yao)項目(mu)。為(wei)了提高(gao)繞(rao)組(zu)(zu)試驗(yan)(yan)(yan)(yan)電(dian)(dian)壓(ya)，使變(bian)壓(ya)器(qi)或互感(gan)器(qi)的(de)(de)(de)鐵芯又不致(zhi)于過飽和(he)導(dao)致(zhi)勵磁電(dian)(dian)流(liu)過大，因此要(yao)使試驗(yan)(yan)(yan)(yan)頻(pin)率提高(gao)，一般(ban)為(wei)100H