三倍頻是(shi)(shi)為(wei)(wei)了滿足GB1094.3—85、GB1207和(he)(he)電氣設備預(yu)防(fang)性(xing)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)規程—1995中三倍頻感(gan)(gan)(gan)(gan)應耐壓(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)和(he)(he)局放試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)而設計。 變壓(ya)(ya)(ya)器(qi)(qi)(qi)、互感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)感(gan)(gan)(gan)(gan)應耐壓(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)是(shi)(shi)檢驗(yan)(yan)(yan)(yan)該產品是(shi)(shi)否符(fu)合國家標(biao)準的(de)一(yi)項重要試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)。繞組(zu)的(de)層間(jian)(jian)、匝間(jian)(jian)、段(duan)及相(xiang)間(jian)(jian)絕緣的(de)縱絕緣感(gan)(gan)(gan)(gan)應試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan),是(shi)(shi)考驗(yan)(yan)(yan)(yan)繞組(zu)是(shi)(shi)否符(fu)合要求的(de)一(yi)個重要項目。為(wei)(wei)了提高繞組(zu)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)電壓(ya)(ya)(ya),使變壓(ya)(ya)(ya)器(qi)(qi)(qi)或(huo)互感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)的(de)鐵芯又不致(zhi)于過飽和(he)(he)導致(zhi)勵磁電流過大,因此要使試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)頻率提高,一(yi)般(ban)為(wei)(wei)100Hz—4
1. 輸入電壓:三相380V,50Hz;
2. 輸出電壓(ya):50—500Vzui大750V,150Hz; 100—1000Vzui大1500V,150Hz;
3. 容 量:1-1000KVA;
4. 波 形:正弦波,失真度小于1;
5. 負(fu)載特性:阻性、感(gan)性、容(rong)性均可(ke);
6. 典型型號參(can)數(shu)說明:
型 號 | 輸入(ru)電壓 (V) | 輸出(chu)電壓 (V) | 容(rong) 量 (KVA) |
SFQ-81-3/500 | 380 | 0-500 | 3 |
SFQ-81-5/500 | 380 | 0-500 | 5 |
SFQ-81-10/500 | 380 | 0-500 | 10 |
SFQ-81-15/500 | 380 | 0-500 | 15 |
SFQ-81-20/500 | 380 | 0-500 | 20 |
SFQ-81-5/1000 | 380 | 0-1000 | 5 |
SFQ-81-10/1000 | 380 | 0-1000 | 10 |
SFQ-81-20/1000 | 380 | 0-1000 | 20 |
SFQ-81-50/1000 | 380 | 0-1000 | 50 |