三(san)倍(bei)頻是為(wei)了(le)滿足(zu)GB1094.3—85、GB1207和電(dian)(dian)氣(qi)設(she)備預防(fang)性試(shi)驗(yan)(yan)(yan)(yan)規程—1995中三(san)倍(bei)頻感應耐壓(ya)試(shi)驗(yan)(yan)(yan)(yan)和局放(fang)試(shi)驗(yan)(yan)(yan)(yan)而(er)設(she)計。 變壓(ya)器、互(hu)(hu)感器感應耐壓(ya)試(shi)驗(yan)(yan)(yan)(yan)是檢(jian)驗(yan)(yan)(yan)(yan)該產(chan)品是否符(fu)合(he)國家標準(zhun)的(de)(de)一項重要(yao)試(shi)驗(yan)(yan)(yan)(yan)。繞組(zu)的(de)(de)層(ceng)間、匝間、段及相間絕緣(yuan)的(de)(de)縱絕緣(yuan)感應試(shi)驗(yan)(yan)(yan)(yan),是考(kao)驗(yan)(yan)(yan)(yan)繞組(zu)是否符(fu)合(he)要(yao)求的(de)(de)一個重要(yao)項目。為(wei)了(le)提高繞組(zu)試(shi)驗(yan)(yan)(yan)(yan)電(dian)(dian)壓(ya),使(shi)變壓(ya)器或互(hu)(hu)感器的(de)(de)鐵芯又不(bu)致(zhi)于過飽和導(dao)致(zhi)勵磁電(dian)(dian)流過大,因此要(yao)使(shi)試(shi)驗(yan)(yan)(yan)(yan)頻率(lv)提高,一般(ban)為(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(rong) 量:1-1000KVA;
4. 波(bo) 形:正弦波(bo),失(shi)真度小于1;
5. 負載特性:阻性、感(gan)性、容(rong)性均可(ke);
6. 典型(xing)型(xing)號參數說明:
型(xing) 號(hao) | 輸入電壓 (V) | 輸出電壓(ya) (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 |