2.42 A balanced A-connected impedance load with (12 + j9) N per phase issupplied by a balanced three-phase 60-Hz, 208-V source, (a) Calculatethe line current, the total real and reactive power absorbed by the load,the load power factor, and the apparent load power, (b) Sketch a phasordiagram showing the line currents, the line-to-line source voltages, and theA-load currents. Use Vah as the reference.

In this question, Delta balance supply is supplied to the balance Delta load. Impedance of the…

Answered: 2.42 A balanced A-connected impedance…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Discuss the concept of microgrids and their applications in decentralized power generation and distribution.
In a given system of base power of 250 MW, and bus 3 is taken as reference. The per-unit reactances are X₁2 = 0.2 p.u., X13 = X23 = 0.1 p.u. If the power flow in the system is given as: PF12 = 100 MW, PF13 = 50 MW, PF23 = -150 MW, then the phase angles are Select one: O a. 0₁ = 0.02 rad., 0₂ = 0.06 rad., 03 = 0 rad. O b. None of these O c. 8₁ = 0.02 rad., 02 = -0.06 rad., 03= 0.1 rad. O d. 0₁ = 0.02 rad., 02 = -0.06 rad., 03 = 0.2 rad. O e. 8₁ = 0.02 rad., 8₂ = -0.06 rad., 03 = 0.1 rad. O f. 0₁ = 0.02 rad., 02 = -0.06 rad., 03 = 0 rad.
The steady-state voltage drop between the load and the sending end of the line seen in (Figure 1) is excessive Suppose that V-4950/0° V (rms). A capacitor is placed in parallel with the 192 kVA load and is adjusted until the steady-state voltage at the sending end of the line has the same magnitude as the voltage at the load end, that is, 4950 V (rms). The 192 kVA load is operating at a power factor of 0.8 lag. Part A Calculate the size of the capacitor in microfarads if the circuit is operating at 60 Hz. In selecting the capacitance, use the value that results in the lowest possible power loss in the line. Express your answer in microfarads to three significant figures. ▸ View Available Hint(s) Figure 1 of 1 202 1100 192 kVA 0.8 lag ΜΕ ΑΣΦ. 11 vec C= 22.8 Submit Previous Answers Incorrect; Try Again; 5 attempts remaining Provide Feedback ? F
Question 3. A three-phase impedance load balanced D a connected load in parallel with a balanced ? connected load made of bonding. D each arm for the load ?D = 6 + 6? and ? each arm for the connected load It is given as ?? = 2 + 2?. ? the connected load ?? = 1? is earthed through the neutral impedance. To this impedance load, the symmetrical component voltages ?0 = 10∠60°, ?1 = 100∠0° and ?2 = Unbalanced phase-to-earth voltages ??, ?? and ?? of 15∠200° volts were applied. a) Draw the zero, positive and negative sequence circuits. b) Find the complex powers imparted to each component circuit.
Describe the concept of three-phase power in electrical systems and its significance in power distribution.
(c) In the Y-A system shown in Figure Q2(c), the source is a positive sequence with VRN = 24020° V and phase impedance, Zp = (2 – j3) N. Determine; VRN R Zp VYN Y N Zp ZP VBN B Figure Q2(c) (i) All line voltages, VRY, VYB, and VBr-. (ii) All line currents, IR, Iy and Ig. (iii) Total real power absorbs by the loads.
A three-phase system has balanced conditions so that the per-phase circuit representation can be used as shown in Figure 1 Select the turns ratio of the step-up and step-down transformers that the system operates with an efficiency greater than 99 percent. Moreover, find the complex power (received or given) of all components in the circuit and the V1 and V2 voltages. The load voltage is specified as 4 kV rms, and the load impedance is 4/3 ohm. ..
thats it
What are microgrids, and how do they differ from traditional power distribution systems? Discuss their benefits and challenges.
3. A circuit consists of two impedances. Z1 =20230° and Z2 =25260° 2, in parallel, supplied by a source voltage V=1002600 volts. Determine the power triangle for each of the impedances and for the source.
A three-phase transmission line and a telephone line are supported on the same towers a shown in the figure. The power line carries a 60-Hz balanced current of 200-A per phase . the telephone line is located directly below phase b. assuming balanced three-phase currents in the power line, find the voltage per kilometer induced in the telephone line. 3.6 m 3.6 m Dal Da2 Del De 4 m 11.2 m-
Solve A-E

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