三(san)倍頻是為了滿足GB1094.3—85、GB1207和電氣(qi)設(she)備(bei)預防性試(shi)驗(yan)(yan)(yan)規程—1995中三(san)倍頻感(gan)(gan)應耐(nai)壓試(shi)驗(yan)(yan)(yan)和局放試(shi)驗(yan)(yan)(yan)而設(she)計。 變壓器(qi)、互感(gan)(gan)器(qi)感(gan)(gan)應耐(nai)壓試(shi)驗(yan)(yan)(yan)是檢(jian)驗(yan)(yan)(yan)該產品是否符合國家標準的(de)一項重要(yao)試(shi)驗(yan)(yan)(yan)。繞(rao)(rao)組的(de)層間(jian)、匝間(jian)、段及相間(jian)絕(jue)緣的(de)縱絕(jue)緣感(gan)(gan)應試(shi)驗(yan)(yan)(yan),是考驗(yan)(yan)(yan)繞(rao)(rao)組是否符合要(yao)求的(de)一個(ge)重要(yao)項目。為了提高繞(rao)(rao)組試(shi)驗(yan)(yan)(yan)電壓,使變壓器(qi)或互感(gan)(gan)器(qi)的(de)鐵芯又不致于過飽(bao)和導致勵磁(ci)電流過大,因此要(yao)使試(shi)驗(yan)(yan)(yan)頻率提高,一般為100Hz—4
1. 輸(shu)入電壓:三相(xiang)380V,50Hz;
2. 輸(shu)出電壓:50—500Vzui大750V,150Hz; 100—1000Vzui大1500V,150Hz;
3. 容 量:1-1000KVA;
4. 波(bo) 形:正弦(xian)波(bo),失真度(du)小(xiao)于1;
5. 負載特性(xing)(xing):阻性(xing)(xing)、感性(xing)(xing)、容性(xing)(xing)均可;
6. 典型型號參數(shu)說(shuo)明:
型 號(hao) | 輸入電(dian)壓 (V) | 輸出電壓 (V) | 容 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 |