三倍頻(pin)是(shi)(shi)為了滿足GB1094.3—85、GB1207和電氣(qi)設備預防(fang)性試(shi)驗(yan)(yan)(yan)規(gui)程—1995中三倍頻(pin)感(gan)應(ying)耐壓試(shi)驗(yan)(yan)(yan)和局放試(shi)驗(yan)(yan)(yan)而設計(ji)。 變(bian)(bian)壓器(qi)、互(hu)感(gan)器(qi)感(gan)應(ying)耐壓試(shi)驗(yan)(yan)(yan)是(shi)(shi)檢驗(yan)(yan)(yan)該(gai)產品是(shi)(shi)否(fou)符(fu)合(he)國家(jia)標準的(de)一項(xiang)重(zhong)要(yao)(yao)試(shi)驗(yan)(yan)(yan)。繞(rao)組的(de)層間、匝(za)間、段及相間絕緣(yuan)的(de)縱絕緣(yuan)感(gan)應(ying)試(shi)驗(yan)(yan)(yan),是(shi)(shi)考驗(yan)(yan)(yan)繞(rao)組是(shi)(shi)否(fou)符(fu)合(he)要(yao)(yao)求(qiu)的(de)一個(ge)重(zhong)要(yao)(yao)項(xiang)目。為了提(ti)高繞(rao)組試(shi)驗(yan)(yan)(yan)電壓,使變(bian)(bian)壓器(qi)或互(hu)感(gan)器(qi)的(de)鐵芯(xin)又不致(zhi)于(yu)過飽(bao)和導致(zhi)勵磁電流過大,因此要(yao)(yao)使試(shi)驗(yan)(yan)(yan)頻(pin)率提(ti)高,一般為100Hz—4
1. 輸(shu)入電壓:三(san)相380V,50Hz;
2. 輸出電壓(ya):50—500Vzui大(da)750V,150Hz; 100—1000Vzui大(da)1500V,150Hz;
3. 容(rong) 量:1-1000KVA;
4. 波 形:正弦波,失真度(du)小于1;
5. 負載特(te)性(xing):阻性(xing)、感性(xing)、容性(xing)均可;
6. 典型型號參數說明:
型 號 | 輸入電壓 (V) | 輸出(chu)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 |