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Problem 3ph [10 pts]: Y-connected source: A Y-connected balanced three-phase source is feeding a ...
9. A three phase balanced Y connected source is supplying three, three phase loads that are...
9. A three phase balanced Y connected source is supplying three, three phase loads that are connected in parallel. First load is a y connected and has an impedance of 30+j40 ohms. The second load is absorbing a total of 150kVA at 0.5 power factor lagging. The third load is absorbing 150kVA at 0.5 power factor leading. The line to line source rms voltage is 2500V. i Find the load current in each load i) Find the total real and...
A Δ-connected source supplies power to a Y-connected load in a three-phase balanced system. Given that...
A Δ-connected source supplies power to a Y-connected load in a three-phase balanced system. Given that the line impedance is (1 + j1) Ω per phase while the load impedance is (6 + j4) Ω per phase, find the magnitude of the line voltage at the load. Assume the source phase voltage Vab= 208 ∠0° V rms. The magnitude of the line voltage at the load is _______ Vrms.
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
A balanced positive-sequence wye-connected 60-Hz three-phase source has line-to-line voltages of VL = 440 V rms....
A balanced positive-sequence wye-connected 60-Hz three-phase source has line-to-line voltages of VL = 440 V rms. This source is connected to a balanced wye-connected load. Each phase of the load consists of a 0.5-H inductance in series with a 50-Ω resistance. Assume that the phase of Van is zero. home / study / engineering / electrical engineering / electrical engineering questions and answers / A Balanced Positive-sequence Wye-connected 60-Hz Three-phase Source Has Line-to-line Voltages ... Question: A balanced positive-sequence wye-connected...
A balanced three-phase source with a 208 V rms (line-to-line) is delivering power to a balanced...
A balanced three-phase source with a 208 V rms (line-to-line) is delivering power to a balanced Y-connected load with phase impedance Z1 = 4 + j 3 Ohms in parallel with a balanced delta-connected load with phase impedance Z2 = 7.5 + j 6 Ohms. Calculate the active (real) and reactive (imaginary) powers delivered by the source. Draw the power triangle. What is the power factor of the combined load?
508 CHAPTER 11 . POLYPHASE CIRCUITS 11.40 In a balanced three-phase system, the source has an...
508 CHAPTER 11 . POLYPHASE CIRCUITS 11.40 In a balanced three-phase system, the source has an aboc phase-sequence and is connected in delta. There are two rallel wye-connected loads. The phase impedance of load i and load 2 is 4 The line impedance connecting the source to the loads is 0.3 + j0.2 2. If the curre IAN! = 10/20-Arms, find the delta currents in the source 4 Ω and 10 +/4 Ω, respectively. nt in the a phase of...
The a-phase voltage of an ideal balanced three-phase Y-connected source is Van-13.2kV<0° and the frequency is...
The a-phase voltage of an ideal balanced three-phase Y-connected source is Van-13.2kV<0° and the frequency is 60Hertz. The source is connected to a A-connected 3-phase balanced load of 100+j750 per phase. The lines are considered perfect. The phase sequence of the source is abc Use the a-phase sequence as a reference. a) Draw the 3-phase circuit b) Give Van, Voor and V, Derive VAB and derive Vec,and VcA c) Calculate lAB and derive Isc and IcA d) Calculate the total...
A balanced Y-connected voltage source with a phase voltage ? = 277∠0°? delivers to a balanced...
A balanced Y-connected voltage source with a phase voltage ? = 277∠0°? delivers to a balanced delta connected load with impedance ?ௗ௧ = 45 − ?18Ω that is in parallel with a Yconnected load with impedance ? = 30 + ?15Ω. (a) Calculate the current at the source (b) Calculate the source real and reactive power
5 points uestion # Part-l Figure 4 shows a Δ-A configuration of a Δ-connected 3-phase source supp...
5 points uestion # Part-l Figure 4 shows a Δ-A configuration of a Δ-connected 3-phase source supplying power to a Δ- connected 3-phase load. The following parameters are known Source Voltage Source Impedance Load Impedance Feeder Impedance y, = 180.0-v (rms) z, = 0.15 +/0.45 Ω Z1-0.1 +/0.2 Ω lA Vp AB ZA Zi ICA Feeder Lines 3-Phase Source Balanced Load Figure 4 a. Compute the line currents IA IB, and lc. (5 points) b. Find the load currents IAB,...
9. A three phase balanced Y connected source is supplying three, three phase loads that are connected in parallel. First load is a y connected and has an impedance of 30+j40 ohms. The second load is absorbing a total of 150kVA at 0.5 power factor lagging. The third load is absorbing 150kVA at 0.5 power factor leading. The line to line source rms voltage is 2500V. i Find the load current in each load i) Find the total real and...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
508 CHAPTER 11 . POLYPHASE CIRCUITS 11.40 In a balanced three-phase system, the source has an aboc phase-sequence and is connected in delta. There are two rallel wye-connected loads. The phase impedance of load i and load 2 is 4 The line impedance connecting the source to the loads is 0.3 + j0.2 2. If the curre IAN! = 10/20-Arms, find the delta currents in the source 4 Ω and 10 +/4 Ω, respectively. nt in the a phase of...
The a-phase voltage of an ideal balanced three-phase Y-connected source is Van-13.2kV<0° and the frequency is 60Hertz. The source is connected to a A-connected 3-phase balanced load of 100+j750 per phase. The lines are considered perfect. The phase sequence of the source is abc Use the a-phase sequence as a reference. a) Draw the 3-phase circuit b) Give Van, Voor and V, Derive VAB and derive Vec,and VcA c) Calculate lAB and derive Isc and IcA d) Calculate the total...
5 points uestion # Part-l Figure 4 shows a Δ-A configuration of a Δ-connected 3-phase source supplying power to a Δ- connected 3-phase load. The following parameters are known Source Voltage Source Impedance Load Impedance Feeder Impedance y, = 180.0-v (rms) z, = 0.15 +/0.45 Ω Z1-0.1 +/0.2 Ω lA Vp AB ZA Zi ICA Feeder Lines 3-Phase Source Balanced Load Figure 4 a. Compute the line currents IA IB, and lc. (5 points) b. Find the load currents IAB,...
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