Please answer in typing format 2.8. In the system shown in Figure P2.8, find I, I, and I if(a) ZaZj1.0, Z = j0.9(b) Z₁ = Z₁ = Z₁ = j1.0Hint: Use per phase analysis in part (b).a1.10.1+1/0°1/120°j0.1000C1-120° +j0.1000Ij0.120No100049Figure P2.8

(a) Za = Zb = j1.0, Zc = j0.9 Since the given is an unbalanced load, solve each line current…

Answered: 2.8. In the system shown in Figure…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.7MCQ

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2.14 The current waveforms of la capocitov are avesage peak cursend *atings of 1, =500 A of shown in Fiquse Determine square (rms), and capacitor. Assume, The root mean half sine -wave t = loo us -300 AS t3 Soo Ns f, -250HZ T2 200
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Q2. A series of motor (Load 1) and lighting (load 2) are connected to an AC source as shown in Figure Q2. The AC source, Vs, supplies 415220° V with frequency 50 Hz. Based on this information: 5Ω 100 mH 15 Q Load 1 Load 2 i) Calculate the total load impedance. Vs ii) Calculate the current, I. Figure Q2. (ii) Write the waveform expressions in frequency domain for Vs and I. Draw a phasor diagram consists of Vs and I and state the relationship between Vs and I. Determine the power factor and calculate the real power, reactive power and apparent power. Establish the power triangle for the load. (iv)
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In DC choppers the wave forms for input and output voltages are respectively a. both discontinuous b. discontinuous,continuous c. both continuous d. continuous,discontinuous
1. (a) A sinusoidal voltage with Veff = 10V is connected across Z₁ = 1 + jas shown in figure(a) below. Find i₁, leff, p₁(t), P₁, Q₁, power factor pf₁, and S1. (b) Repeat part (a) replacing the load Z₁ in (a) by Z₂ = 1-j as shown in figure (b) below. (c) Repeat part (a) after connecting in parallel Z₁ and Z₂ as shown in figure (c). Let v = 10√2cos wt. V= 10 V V= 10 V Z 10 V won 4½ mit T 4½ (a) (b) (c) S₁ 1 P₁ 3 $₂ 45° P₂ 45° P₁ S=P = P₁ + P₂ P₂ 2₂
1. (a) A sinusoidal voltage with Veff = 10V is connected across Z₁ = 1 + jas shown in figure(a) below. Find i₁, leff, p₁(t), P₁, Q₁, power factor pf₁, and S1. (b) Repeat part (a) replacing the load Z₁ in (a) by Z₂ = 1-j as shown in figure (b) below. (c) Repeat part (a) after connecting in parallel Z₁ and Z₂ as shown in figure (c). Let v = 10√2cos wt. V= 10 V V= 10 V Z 10 V wing Emit T 4½ 44 (a) (b) (c) S₁ 1 P₁ 3 $₂ 45° P₂ 45° P₁ S=P = P₁ + P₂ P₂ 2₂ 2. A certain passive network has equivalent impedance Z= 3 + j402 and an applied voltage v(t) = 42.5 cos (1000t +30°) V. Give complete power information. (a) Apparent power, S (b) Real Power, P (c) Reactive Power, Q (d) power factor, p.f.
Q2. For the circuit shown below, sketch the current waveforms iş and io and determine the Average and RMS for both currents. a = 50° TI 50 2 Vs = 300 sin 100zt ( cot T2 in cot
SINUSADAL ALTER UATING SIDES 5CM 471t is APPUED TO A H. 5cm IS WOUND HTH 300 TU IN 3.) A SINUSODAL ALTERUATING SINUSADAL ALTERNATING VOLTAGE HAC N C.m.s VALUE OF 200 V FREQUENCY OF so Hz. IT THE ZERO AXIS IN A CROSSES POSITIVE DIRECTION KHEN t=0. DETERMINE li) THE TIME WHEN VOLTAGE FIRST REACHES THF STANTANEOUS VUE OF 2wY AND (i) THE TME HEN KOUAGE LETER PASSING THROUGH Ts MAXIMUM POSITIVE YALUE REACHES THE VALUE 11141.4 V. (0.0025 SELOND (ii) 1/300 SECOND) OF 200 SN 47 E iS APPUED TO A HW AN ALTEFNSTNG VOLTAGE SEPIES VITH A KRISTANE OF 40 2.IF THE
Consider the system in the figure to the right. The Zbus for the system is given as follows: [j0.411 j0.310 j0.3541 Zbusj0.310 j0.446 j0.333 Lj0.354 j0.333 j0.450] j0.8 1.28/0 ele j0.2 vor j2.0 j0.5 m j0.4 m 2 a) Find the voltage at each bus. b) Find the current drawn by a capacitor having a reactance of 5.0 PU connected from bus 3 to the reference. c) Find the change in voltage at each bus when the capacitor is connected at bus 3. d) Find the voltage at each bus after connecting the capacitor. j1.0 1.20/30°
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