Question

tasgn udion Secands wsison 2T IS00 Pad min 2017 3-phase 3415 /0u8 vL distri bution toos facmers are ST-6UA connected 1n AIY Open ciccuti+ test was performed on the lau-valdage side of thts trans former bant and the follauing data uere reconded Pocs Jusw Joc-4.10A Nocu80V si de of this Short arcuit eswas perfomed on the hilagh-volloge trns former bon t, and the lollauing data were recoraledl Ise= 3.1A Psca Nsca 808 b) Had the valtage raqulation ot this tronsfonmer bank at the raed load md a) And the exact equivalent ciccuit of this trois former bank ORS P_laggng leading Cla

c is the same of b just different 0.85 leading

Answer 1

Given: 2KVA A-Y gh sihe Vec= 480V 0le Tect: Toc 4a10 A q45W /e Test Vec 808 Volt 2.ILAup C912 W Using ole Test Pec 2 R Vec 2 Pc Cord (Poc) 243.811 Cone Reastune Re impecdeleue auge Cor Pac Voc To q45 61.3 17 ThXoRh 243.31 Re 133.462 tan d tom 6.3) Toc Voc SARAA
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Page No: Se test 3. 11 496 Cos 912 &08 x3.11 260 260 2 6812 Cosl63.t 240 Sin(63 72) 260 94.36 t .27 to REqu.26 SL hY side E242 .2 E t o Ree VeG equivaleut Ckt a JY2-24. 94.262 243.81

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