Homework Answers
Add Answer to:
r connected 3 phase load of 12 l per phase is ov 60 Hz mains supply...
The following three-phase, balanced loads are connected across a three-phase, Y-connected 60 Hz source with a...
The following three-phase, balanced loads are connected across a three-phase, Y-connected 60 Hz source with a line-to-line voltage of 480 V. The loads are described below: • Load 1: ∆-connected, total three-phase apparent power is 30 kVA at 0.95 power factor lagging. • Load 2: ∆-connected, total three-phase active power is 20 kW at 0.7 power factor lagging. • Load 3: Y-connected, phase current is 30 A, and power factor is 0.9 pf leading. (a) Calculate the total complex power...
1- A balanced delta connected load of 15 + j18 12 per phase is connected at...
1- A balanced delta connected load of 15 + j18 12 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + j2 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of the...
50 Points 1- A balanced delta connected load of 15 + j18 per phase is connected...
50 Points 1- A balanced delta connected load of 15 + j18 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + 12 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of...
A 60 Hz, balanced three-phase source is connected to a balanced load of 2815 kVA at...
A 60 Hz, balanced three-phase source is connected to a balanced load of 2815 kVA at 0.95 pf lagging through a short transmission line with negligible resistance and a series inductive reactance of 13 12. The load is operated at 25 kV. Compute: (a) the line current magnitude (b) the line voltage magnitude at the source (c) the line-to-neutral source voltage (d) the power factor of the source
5 Three inductive coils each of inductance 45mH are connected in star to a 3 phase...
5 Three inductive coils each of inductance 45mH are connected in star to a 3 phase 400V, 50 Hz supply. Calculate the inductance of each coil, which when connected in delta to take the same supply voltage and line current, also find the power delivered at unity power factor for both star and delta connected load. (6 Marks)
A balanced delta connected load of 15+?18 Ω per phase is connected at the end of...
A balanced delta connected load of 15+?18 Ω per phase is
connected at the end of a three-phase line as shown in Figure 1.
The line impedance is 1+?2 Ω per phase. The line is supplied from a
three-phase source with a line-to-line voltage of 207.85 V rms.
Taking the phase voltage ??? as reference, determine:
1. Total complex powers of the line and the load.
2.A delta connected capacitor bank is connected in parallel with
the load to improve...
Problem #1 25 points A balanced three phase 230 V (line to line), 60 Hz source...
Problem #1 25 points A balanced three phase 230 V (line to line), 60 Hz source supplying 800 W to a Y connected load at a power factor of O.7 lagging. Three equal capacitors connected in Y are placed in parallel with the load to improve the power factor. What must be the size of the to yield power factor to unity? What would be required capacitor size if the caps are in delta connected.? Calculate total watt supplied by...
A balanced A-connected load of Z,=12+39.0 12 is connected to a power supply via a transmission...
A balanced A-connected load of Z,=12+39.0 12 is connected to a power supply via a transmission line with impedance of Zrl=0.6+j2.5 12, find Transmission Lines o 20820 V AC 2084(0–240°) v umaza 10 AC 2084(0-120°) v mm | za | Three-Phase 208 V, 60 HZ Power Supply Three-Phase A-Connected Balanced Load @@OGO E the load line and phase voltages (magnitude and angle), the load line and phase currents (magnitude and angle), the total load's real, reactive, and apparent powers, the...
1. A star connected secondary of a 60 Hz 3-phase transformer, as shown in Fig. 3, is supplying a ...
1. A star connected secondary of a 60 Hz 3-phase transformer, as shown in Fig. 3, is supplying a 3-phase HW uncontrolled rectifier loaded with a pure 10 Ω resistor. The fuse Fy is open circuit. L. Determine the conduction periods of the diodes ii Draw the waveform of the output voltage. F1 D D and D in msec. phase A iii. Calculate the secondary line voltage if the average iv. Draw the waveforms of the supply currents i, and...
please quickly Q=65 For each phase, the star connected load formed by the series connected elements...
please quickly Q=65 For each phase, the star connected load formed by the series connected elements whose values are Ry = 8Ω and Ly = 0.1H is connected to the star connected three phase voltage source with the line with the impedance Z = 3 + j5 Ω for each phase. What should be the effective value of the voltage source so that the load can absorb reactive power of total Q kVAr? What would be the tension at the...
1- A balanced delta connected load of 15 + j18 12 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + j2 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of the...
50 Points 1- A balanced delta connected load of 15 + j18 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + 12 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of...
A 60 Hz, balanced three-phase source is connected to a balanced load of 2815 kVA at 0.95 pf lagging through a short transmission line with negligible resistance and a series inductive reactance of 13 12. The load is operated at 25 kV. Compute: (a) the line current magnitude (b) the line voltage magnitude at the source (c) the line-to-neutral source voltage (d) the power factor of the source
5 Three inductive coils each of inductance 45mH are connected in star to a 3 phase 400V, 50 Hz supply. Calculate the inductance of each coil, which when connected in delta to take the same supply voltage and line current, also find the power delivered at unity power factor for both star and delta connected load. (6 Marks)
A balanced delta connected load of 15+?18 Ω per phase is
connected at the end of a three-phase line as shown in Figure 1.
The line impedance is 1+?2 Ω per phase. The line is supplied from a
three-phase source with a line-to-line voltage of 207.85 V rms.
Taking the phase voltage ??? as reference, determine:
1. Total complex powers of the line and the load.
2.A delta connected capacitor bank is connected in parallel with
the load to improve...
Problem #1 25 points A balanced three phase 230 V (line to line), 60 Hz source supplying 800 W to a Y connected load at a power factor of O.7 lagging. Three equal capacitors connected in Y are placed in parallel with the load to improve the power factor. What must be the size of the to yield power factor to unity? What would be required capacitor size if the caps are in delta connected.? Calculate total watt supplied by...
A balanced A-connected load of Z,=12+39.0 12 is connected to a power supply via a transmission line with impedance of Zrl=0.6+j2.5 12, find Transmission Lines o 20820 V AC 2084(0–240°) v umaza 10 AC 2084(0-120°) v mm | za | Three-Phase 208 V, 60 HZ Power Supply Three-Phase A-Connected Balanced Load @@OGO E the load line and phase voltages (magnitude and angle), the load line and phase currents (magnitude and angle), the total load's real, reactive, and apparent powers, the...
1. A star connected secondary of a 60 Hz 3-phase transformer, as shown in Fig. 3, is supplying a 3-phase HW uncontrolled rectifier loaded with a pure 10 Ω resistor. The fuse Fy is open circuit. L. Determine the conduction periods of the diodes ii Draw the waveform of the output voltage. F1 D D and D in msec. phase A iii. Calculate the secondary line voltage if the average iv. Draw the waveforms of the supply currents i, and...
Most questions answered within 3 hours.
-
Upper case, lower case and digits (from 0 to 9 allowed)
How many possibilities of 8...
asked 9 minutes ago -
Yes Trading Co's share price was $22 at the start of the year
and at the...
asked 16 minutes ago -
To practice Problem-Solving Strategy 21.1 Coulomb's Law.
Three charged particles are placed at each of three...
asked 18 minutes ago -
Q5: The 100kg satellite is traveling at a horizontal velocity of
10 m/s towards the right....
asked 23 minutes ago -
The 2000 census gives the median household income in South
Carolina as $37,100 and the mean...
asked 38 minutes ago -
A company incurred the following costs for 70,000 units. The
company has received a special order...
asked 30 minutes ago -
Information owners are responsible for classifying data and
systems. Suppose you have a savings account at...
asked 28 minutes ago -
Which of the following samples will have the smallest estimated
standard error for a single sample...
asked 39 minutes ago -
Convert attached servlet file to use ArrayList instead of using Enumeration string array.
import java.io.*;
import...
asked 46 minutes ago -
The time taken by the machines to execute a given task is:
A: 15 m, 20...
asked 53 minutes ago -
Write a method in java in a most basic way rotatelist that
rotates an arraylist to...
asked 1 hour ago -
1. Please write the following code in Python 3. Please also show
all outputs and share...
asked 1 hour ago