a) For the circuit shown in Fig. 2, compute V, and V1.b) Construct a phasor diagram showing the relationship between V,, V, and the load voltage of 12020° v.c) Repeat parts (a) and (b), given that the load voltage remains constant at 12020° V, when a capacitivereactance of -5 0 is connected across the load terminals.0.1 Ω /0.8 Ω +240/0° V 380j6 NFigure 2

Answered: Image /qna-images/answer/88021c00-f2fd-4687-9816-7672d76fd222.jpg

For the circuit shown in Fig. 2, compute V, and V. Construct a phasor diagram showing the relationship between Vs, V1, and the load voltage of 12020° v Repeat parts (a) and (b), given that the load voltage remains constant at 12040° V, when a capacitive reactance of -5 n is connected across the load terminals. + 0.1 Ω j0.8 Ω 240/0° V 380 Figure 2

For the circuit shown in Fig. 2, compute V, and V. Construct a phasor diagram showing the relationship between Vs, V1, and the load voltage of 12020° v Repeat parts (a) and (b), given that the load voltage remains constant at 12040° V, when a capacitive reactance of -5 n is connected across the load terminals. + 0.1 Ω j0.8 Ω 240/0° V 380 Figure 2

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 2.17MCQ: Consider the load convention that is used for the RLC elements shown in Figure 2.2 of the text. A....

See similar textbooks

Similar questions

10. Two impedances consist of (resistance of 15 ohms and series-connected inductance of 0.04 H) and (resistance of 10 ohms, inductance of 0.1 H and a capacitance of 100 uf, all in series) are connectd in series and are connected to a 230 V, 50 Hz a.c. source. Find : (i) Current drawn, (ii) Voltage across each impedance, (iii) Individual and total power factor.
11 Consider the following circuit used to provide power for an inductive RL load. The input voltage is Vs=150V and the load has a 30 impedance value. The thyristor is working at a frequency fs = 2 kHz. The discharge current is to be limited to 50A and the required dv/dt is 50V/us. If the value of Cs is equal to 0.158µF, then the snubber losses are equal to: put of question T: T R Vs Select one: O a. 4.56W O b. 2.56W Oc. 5.45W Od. 3.56W
Ministry of Manpower Directorate General of Technological Education Salalah College of Technology Zlectrical Inginearina Problem - 8 Refer to the circuit below and -25V C2 N. compute the following: i) Total capacitance ii) Voltage across C, iii)Charge across C, iv)Voltage across C5 5 uF C1 5 uF 5 uF C4 5 uF C6 5 uF -16-65V. C5 5 uF (Take V, as 25V) 8-35V VT 25V
Consider the following circuit used to provide power for an inductive RL load. The input voltage is Vs-100V and the load has a 50 impedance value. The thyristor is working at a frequency fs = 2 kHz. The discharge current is to be limited to 40A and the required dv/dt is 40V/us. If the value of Cs is equal to 0.14uF, then the snubber losses are equal to: T1 Vs Select one: O a. 3.4W O b. 1.4W 5.4W Od. 7.4W
for the circuit shown below If v_in=5 sin2m10t then corner frequency will be ......Hz 1 UF 2 k Ohm 1 k Ohim 050 060 070 080 vin
Fundamentals of Electrical Engineering 2020/2021 Dr. Yaseen H. Tahir xample: (example 15-3, page 388, David) (H. W.) A 1 MF capacitance is to be constructed from rolled-up sheets of aluminum foil separated by a layer of paper 0.1 mm thick. Calculate the required area for each sheet of foil if the relative permittivity of the paper is 6. Jution:
The picture shows three LC circuits, two of them with capacitors of capacitance C and the three with coils of inductance L, the three circuits are coupled by means of two capacitors Cc capacitors.L inductance coils, the three circuits are coupled by means of two capacitors of capacitance Cc. The currentscirculating through each mesh are those indicated in the figure: I1, I2 and I3. Using Kirchhoff's law for voltagesand taking into account the definition of current I = -dQ/dt, find the system of coupled equations for the systemand then find the angular normal frequencies of the system.
Three impedances are connected in series across a 100 V, 2 kHz supply. The impedances comprise: (i) an inductance of 0.45 mH and 202 resis- tance, (ii) an inductance of 570 µH and 52 resis- tance and (iii) a capacitor of capacitance 10µF and resistance 30. Assuming no mutual inductive effects between the two inductances, calculate (a) the circuit impedance, (b) the circuit current, (c) the cir- cuit phase angle and (d) the voltage across each impedance.
5. An impedance coil is connected in parallel with a capacitance C of 12.5 μF. The inputvoltage to the circuit is 100 V at 31.8 Hz. The phase angle between the two branchcurrents (I1 and I2) is 120° and the current in the first branch is I1 = 0.5A. Determine thefollowing:a) the current I2 and total currentb) the value of R and XLc) the value of inductor (L in mH)d) the total impedancee) the power factorf) the value of conductance (G in mƱ) and susceptance (B in Ʊ)g) total admittance
ll e. Draw the phasor diagram of the currents I,, IR. and IL. and the voltage E. f. Find the current Ic for each capacitor using only Kirchhoff s current law. g. Find the series circuit of one resistive and reactive element that will have the same impedance as the original circuit. i = V2 sin 2x 1000f L = 10 mH
6) When the frequency of an a.c. circuit containing resistance and capacitance is decreased, the current (a) decreases (b) increases (c) stays the same 7) In a series a.c. circuit the voltage across a pure inductance is 12 V and the voltage across a pure resistance is 5 V. The supply voltage is (a) 13 V (b) 17 V (c) 7 V (d) 2.4 V 8) The impedance of a coil, which has a resistance of X ohms and an inductance of Y henrys, connected across a supply of frequency K Hz, is (a) 2π Κ Υ (b) X + Y (c) √x² + y² (d) √X² + (2nKY)² 9) When a capacitor is connected to an a.c. supply the current (a) leads the voltage by 180° (c) leads the voltage by 1/2 rad (b) is in phase with the voltage (d) lags the voltage by 90° 10) In an R-L-C series a.c. circuit a current of 5 A flows when the supply voltage is 100 V. The phase angle between current and voltage is 60° lagging. Which of the following statements is false? (a) The circuit is effectively inductive (c) The equivalent circuit reactance is 25 2 (b)…
6) When the frequency of an a.c. circuit containing resistance and capacitance is decreased, the current (a) decreases (b) increases (c) stays the same 7) In a series a.c. circuit the voltage across a pure inductance is 12 V and the voltage across a pure resistance is 5 V. The supply voltage is (a) 13 V (b) 17 V (c) 7 V (d) 2.4 V 8) The impedance of a coil, which has a resistance of X ohms and an inductance of Y henrys, connected across a supply of frequency K Hz, is (a) 2π Κ Υ (b) X + Y (c) √x² + y² (d) X² + (2nKY)²