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A balanced Ý-source with positive phase sequence (V,-200 ej4% yms) is connected to a balanced Y-load...
A balanced, positive-sequence, Y-connected voltage source with Ean-277Vr is applied to a balanced-A load with Za-30+jd0)Ω...
A balanced, positive-sequence, Y-connected voltage source with Ean-277Vr is applied to a balanced-A load with Za-30+jd0)Ω The line impedance between source and load is ZL-(4+j3Q for each phase. Determine: a. Convert the Δ-load to its equivalent Y-load, and sketch the circuits b. Line currents C. The Δ-load currents d. Voltages at the load terminals
Sketch the 3-phase systems, and show your calculations: Problem (a): A positive-sequence balanced thrcc-phase wyc-connected source...
Sketch the 3-phase systems, and show your calculations: Problem (a): A positive-sequence balanced thrcc-phase wyc-connected source supplics powcr to a balanced wyc-connected load. The line voltage is 100 V. The line impedance is 2 ? per phase, and the load impedance is 50 +j30 ? per phase. Determine the load voltages if V an-00. Problem (b): A positive-sequence balanced three-phase wye-connected source supplies power to a balanced wye-connected load. The magnitude of the line voltages is 208 V rms. If...
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....
Student's Name: Prob 1. A balanced three-phase, positive-sequence Y-source with Vab supplying a ?-connected load, ?4B-50...
Student's Name: Prob 1. A balanced three-phase, positive-sequence Y-source with Vab supplying a ?-connected load, ?4B-50 ?, Zac 20 +J20 ?, and ZCA-30-j40 ? . Draw tn appropriate circuit, and find all the three line currents (magnitude and phase) [10 points!-. Solution 1: - 200 20° Vrms is
A balanced Y-connected load with a phase impedance of 10 + j 4 Ω is supplied...
A balanced Y-connected load with a phase impedance of 10 + j 4 Ω is supplied by a balanced, positive sequence Δ-connected voltage source having Vab 208∠0o V. Given that the line impedance is 0.8 + j 0.3 Ω per phase. (i) Construct a single-phase equivalent circuit of the three-phase system. (ii) Calculate the phase currents of the load. (iii) Calculate the line voltages at the load.
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...
V. The figure showed a balanced Y - A three phase circuits. The phase voltages of...
V. The figure showed a balanced Y - A three phase circuits. The phase voltages of the Y - connected source are Va = 1107_0° Vrms, Vo = 1101_-120° Vms, and V. = 1107_120° Vrms. The line impedance are each ZL = 10 + j5 12. The impedance of the A-connected load are each ZA = 75 + j225 1. Determine the phase currents in the A-connected load. ZL] b TAB & A B Zi IGB Zo Voy IV Tech...
8.25 A three-phase balanced Y-connected load with series impedances of
8.25 A three-phase balanced \(Y\) -connected load with series impedances of \((8+j 24) \Omega\) per phase and mutual impedance between any two phases of \(j 4 \Omega\) is supplied by a three-phase unbalanced source with line-to-neutral voltages of \(V_{a n}=200 \angle 25^{\circ}, V_{b n}=100 \angle-155^{\circ}\), \(V_{c n}=80 \angle 100^{\circ} \mathrm{V}\). The load and source neutrals are both solidly grounded. Determine: (a) the load sequence impedance matrix, (b) the symmetrical components of the line-toneutral voltages, (c) the symmetrical components of the...
Q1.A balanced 3-Phase Y-connected generator with positive sequence has an impedance of 0.2 + 0.5j ф...
Q1.A balanced 3-Phase Y-connected generator with positive sequence has an impedance of 0.2 + 0.5j ф and an intemal voltage of 120 V/d. The generator feeds a balanced 3- Phase Y-connected load having an impedance of 39 + 28j Ωφ. The impedance of the line connecting the generator to the load is 0.8 + 1Sj Ωφ. The a-phase internal voltage of the generator is specified as the reference phasor a) Construct the a-phase equivalent circuit of the system b) Calculate...
A balanced, positive-sequence, Y-connected voltage source with Ean-277Vr is applied to a balanced-A load with Za-30+jd0)Ω The line impedance between source and load is ZL-(4+j3Q for each phase. Determine: a. Convert the Δ-load to its equivalent Y-load, and sketch the circuits b. Line currents C. The Δ-load currents d. Voltages at the load terminals
Sketch the 3-phase systems, and show your calculations: Problem (a): A positive-sequence balanced thrcc-phase wyc-connected source supplics powcr to a balanced wyc-connected load. The line voltage is 100 V. The line impedance is 2 ? per phase, and the load impedance is 50 +j30 ? per phase. Determine the load voltages if V an-00. Problem (b): A positive-sequence balanced three-phase wye-connected source supplies power to a balanced wye-connected load. The magnitude of the line voltages is 208 V rms. If...
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....
Student's Name: Prob 1. A balanced three-phase, positive-sequence Y-source with Vab supplying a ?-connected load, ?4B-50 ?, Zac 20 +J20 ?, and ZCA-30-j40 ? . Draw tn appropriate circuit, and find all the three line currents (magnitude and phase) [10 points!-. Solution 1: - 200 20° Vrms is
V. The figure showed a balanced Y - A three phase circuits. The phase voltages of the Y - connected source are Va = 1107_0° Vrms, Vo = 1101_-120° Vms, and V. = 1107_120° Vrms. The line impedance are each ZL = 10 + j5 12. The impedance of the A-connected load are each ZA = 75 + j225 1. Determine the phase currents in the A-connected load. ZL] b TAB & A B Zi IGB Zo Voy IV Tech...
Q1.A balanced 3-Phase Y-connected generator with positive sequence has an impedance of 0.2 + 0.5j ф and an intemal voltage of 120 V/d. The generator feeds a balanced 3- Phase Y-connected load having an impedance of 39 + 28j Ωφ. The impedance of the line connecting the generator to the load is 0.8 + 1Sj Ωφ. The a-phase internal voltage of the generator is specified as the reference phasor a) Construct the a-phase equivalent circuit of the system b) Calculate...
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