Given the following set of three-phase currents: Ia = 6.34∠15◦, Ib = 23.66∠ − 105◦, and Ic = 0∠ − 58.75◦. Calculate the symmetrical components for the B- phase current.
Given the following set of three-phase currents: Ia = 6.34∠15◦, Ib = 23.66∠ − 105◦, and...
Help pleaseee In the following three phase system Van = 120020 VRMs. Van 0.522 + ia > w j212 10000 7212 0000 M. 822 Von + 0.522 M in n 2 7212 llll 812 کې j212 812 Von 0.522 ib n 2 M 2212 00000 812 8Ω Van 0.522 W ic 2 Figure 1: Circuit for Question 1 (a) (15 points) Find the line currents ia, is and ic. (b) (5 points) Find the complex power dissipation by the A(Delta)...
1. Determine three symmetrical components of Phase A's current given the three-phase currents of Ta = 1020A In = 102230° 1 = 102130A And also find out the current flowing through the ground.
For a three-phase Ia system given in the 100 L100V Iab H Za=(8+24) 120=8+i4ge Ibe 100 11300V a = (8+34) circuit Ia, Ib, currents Calculate the and I and Iab, Ibc , and three the Ica. line three currents phase
Power system OBLEM (4)- (14 marks) I). a) The three phase currents in a 3 phase system are I,- 100 A, I,- 10/230 A, 10 A, I, 101230° A, Le-101130° A. Determine the symmetrical components of the currents and current in the neutral line In b) The symmetrical components of voltages of a 3 phase system are given as: vao = 101 1 80° v , val-500"V , VO = 20130° find the voltages V,, V, V, and the neutral...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
Q2. (a) A Y-connected voltage source has the following unbalanced voltages: V, = 177210": V, = 1 562-100° ; V-10522201 Obtain the symmetrical components of voltages (b) The symmetrical components of a phase current are given below in per unit L,1) 0.8-j2.6 perunit I.0per unit 3. per unit Obtain the phase current Ia, Ib, Ie
QUESTION 4: A 400 V three-phase, 50 Hz system, ABC sequence supplies the following loads: A star-connected load with the following phase impedances: ZA ZZ10410' BN A delta-connected load of equal phase impedances: ZB15435Z=30Z-75Zc=(19+j27 )n 4.1 Use VAB as reference and detemine the following quantities: The magnitude and angle of the currents drawn by the star-connected load (lAN lEN, ICN) 4.1.1 (6) 4.1.2 The magnitude and angle of the phase (IAB; lBc; IcA) and line (IA; lB; Ic) currents drawn...
Problem 4a (15 points) For the transistor circuit shown in the figure, calculate the value of the output voltage given β 49 and VBE-0.7V. Problem 4b (10 points) The charge entering an electric element (part) is shown in the figure. Find the current at t- 1.5 sec, t-2.5 sec and t 10 sec 30 0 246810 12 Problem 3 (25 points) For the circuit shown in the Figure, use the Mesh Analysis method, to find the value of the branch...
1. In a three-phase balanced wye-wye system, the source is an abc-positive sequence set of voltages with Van- 120 20 Vrms. The per phase impedance of the load is 5 +j62. If the line impedance per phase is 0 Ω, find the line currents, the line to line voltages at the source, and the line to line voltages at the load 120 20 Vms 2. In a three-phase balanced wye-wye system, the source is an abc-sequence set of voltages with...