7.17 A load impedance, Z, = 10+ j3 2, is connected to a source with line resistance equal to1 2, as shown in Figure P7.17. Calculate the following values: a. The average power delivered to the load. b. The average power absorbed by the line. C. The apparent power supplied by the generator. d. The power factor of the load. e. The power factor of line plus load. Line R= 12 Vs = 23020° V, Z. Load %3D rms Figure P7.17

7.17 A load impedance, Z, = 10+ j3 2, is connected to a source with line resistance equal to1 2, as shown in Figure P7.17. Calculate the following values: a. The average power delivered to the load. b. The average power absorbed by the line. C. The apparent power supplied by the generator. d. The power factor of the load. e. The power factor of line plus load. Line R= 12 Vs = 23020° V, Z. Load %3D rms Figure P7.17

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...

See similar textbooks

Similar questions

If the line-to-line primary voltage and line current is 1.0 at 0 degrees, what is the secondary line- to-line voltage for the following three-phase transformers? Assume a turns ratio of N = 10. Express answer in polar form. a. Delta-to-Delta: b. Delta-to-Wye: c. Wye-to-Delta: d. Wye-to-Wye:
Electrical load that draws current whose impedance varies throughout the cycle of the input ac voltage waveform is known as nonlinear load. True False
Two three-generator are parallel at 6.6 kV and delivering 3000 kW at 0.8 pf. The impedance for machine A is 0.5+j10 ohm and for B 0.4+j12 ohm. The excitation of A is adjusted to deliver 150 A at lagging pf. Determine the induced emf of machine A.
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
Describe the concept of three-phase power in electrical systems and its significance in power distribution.
Two transformersA and B are connected in parallel to a load of (2+j1.5) ohm.Their impedances in Secondary terms ZA = (0.15+j0.8) ohm and Zb = (0.1+j30.6)ohm Their no-load termind voltages are EA=200<0 V and EB=210<0 Volt.Find the power and Power factor of each transformer? %3D %3D
e)
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.
In Transformers: a. What is the relationship between the turns ratio and the primary to secondarycurrent ratio ? b. What is the relationship between the turns ratio and the primary and secondaryvoltage ratio? c. What can you conclude about the relationship in the values of primary andsecondary apparent power?
Discuss about generator modeling and drive the formula for the real and reactive power supply it .
In power distribution systems, what is sometimes necessary to install to reduce harmonic frequencies and distortion between the three-phase transformers and distribution panels?