Question

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Problem 6 Consider the circuit shown in (Figure 1). Suppose that V, = 480_0°V (rms). Part A Find the average power dissipated in the line in the figure Express your answer three significant figures and include the appropriate units. HHA ? P = Value Units Submit Request Answer Part B Figure 1 of 1 > Find the capacitive reactance that, when connected in parallel, with the load will make the load look purely resistive. Express your answer three significant figures and include the appropriate units. View Available Hint(s) an 130 TINA 3120 v. XC- Value Units 90 Submit Source Linc -Load

Answer 1

given circuit, 소 42 jir line 키 120-2 M 48020 (+ load voets 3902 ] Part-A Total impedance, z = (4 + 120) + j ( 3790) 124 + 393. 155_36.872 480 Lo 3.097 (-36.87 Amps, Total current , 2 average power dissipated in eine P = 124 (3.097)2x4 = 38.366 watts. Part Bi 12012 -jxca. ZL jaon CS$canned with CamScanner

admittance, YL + time 120 +390 + 120 -390 1 2012 +902 6090 120 - po (120) +20)2 (120)+20)2 Xc imaginary term is equal to zero. 90 1 (20)2 +20) 250 PART-C 120 y = (120)-100) 1 YL - ZL 3 187.51 circuit becomes. Now the j3.2 w 187.50 48048 Total impedance, z = (4 +187.5) +33 =191.524 20.898 Total current, 2 = 48020 = 2.506 Z-0.8980 2 power dissi Paled in line, pe 22(4) to-035 watts - 25.12 Lats. Part- Pd CS Scanned with CamScanner Pa 25.12 X 100 38.366 = 65.477. Thank you