Question

2. Assume the load is balanced and the source has a nositive phase sequence. If the line voltage 200 VRMS-210' operating at a frequency of 60Hz. The phase impedances Zp are based on your KSU ID as follows: Use last 6 digits of student ID number(e.g. 000123456 → 123456) Capacitor value: 100*(sum of the first three digits in microfarads) (e.g. 1+2+3 = 6 *100 = boot Inductor value: sum of the last three digits in milliHenries (e.g. 4+5+6 = 15 m ) Resistor value =50 Zp - capacitor in series with the parallel combination of inductor and resistor. Calculate the line current Ibb. Calculate the Power Factor and indicate if it is leading or lagging. IbB = P.F. = (leading or lagging)

Answer 1

Vca - 20 s Vrms 6210° vaa: Van LH120. ol Vab L-2400 vab = vca (+240 = 208L-218+240 vas = 208138v Ven = vab L-30 = 208 130-30 = 120.09 Loov Resh L=15mH C= Goouff X = WL=21FFL = 2īX 60x15X103 -5.661 Xcate wc ante 20% 60% 600X106 4.42 n =

here & Zet Rll z 2p= 34.42+(5) (j5,66) stj5o66 = 3.411-34.6201 single phase quivalent circuit - Tata 2 3.41 L-34.62°n Nan 120.09 Lov Tag = Van - (20.09L00 zp 3.412-34.62 = 35.19134.62°4. IbB = IaA L-120° = 35.19 L34.620-120 | IBB = 35.19185.380 A / power bacter cos@icos (-34.62 ) = 0.82 leading ::.p.1: 0.82 leading