Three impedances, Z_1 = 6 20 degree Ohm, Z_2 = 8 40 degree Ohm, and Z_3 = 10 0 degree Ohm, are connected in wye and are supplied by a 480-V, three-phase source. Find the line currents. Draw phasor diagrams showing all voltages and currents.
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Three impedances, Z_1 = 6 20 degree Ohm, Z_2 = 8 40 degree Ohm, and Z_3 = 10 0 degree Ohm, are connected in wye and are supplied by a 480-V, three-phase source. Find the line currents. Draw phasor diagrams showing all voltages and currents.
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...
In a balanced three-phase system, the source is wye-connected and the source voltage of phase A is Van = ∠ 120 20 V. The load consists of two balanced wyes in parallel with phase impedances of 8 + j6 Ω and 12 + j8 Ω. If the line impedance is zero, find the line currents and the phase currents in each load. (Hint: use per phase analysis, then do angle shift for each phase.)
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....
P 5.103 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 05-11 inductance in series with a 30Ω resistance. Assume that the phase of Van is zero. Part A Pl Find the line-to-neutral voltage phasor Van Enter your answer using polar notation. Express argument in degrees. 이미? Subrmit X Incorrect, Try Again; 5 attempts remaining Part B...
1. In a three-phase balanced wye-wye system, the source is an abc-positive sequence set of voltages with Van- 120 20 Vrms. The per phase impedance of the load is 5 +j62. If the line impedance per phase is 0 Ω, find the line currents, the line to line voltages at the source, and the line to line voltages at the load 120 20 Vms 2. In a three-phase balanced wye-wye system, the source is an abc-sequence set of voltages with...
A balanced wye-connected load and a balanced delta con- hected load are supplied by a three-phase 480-V 50 HZ generator. The ranch impedance of the wye and della are 10/30° 2 and 20/-50° 2. respectively. Determine the active and reactive powers drawn by each three loads. Determine the phasor voltage and phase any one branch of each three-phas e branch of each three-phase load, and substitute into wer equation for balanced three-phase loads. Given ise angle of V is 30...
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...
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...
Explain Please. A balanced, positive-sequence, wye-connected source has V- 220/0 V rms and supplies an unbalanced wye-connected load ZAN-7 10 Ω, ZBN-8 +j6 Ω, and ZCN 10-j12 Ω via transmission lines with impedances ZA-2 +jl Ω, ZB-2-j0.5 Ω, and ZC-2 +j | Ω (a) Label all node voltages and loop currents (b) Determine the currents IaA? IbB, and 1cC. (c) Determine the voltages VAN, N, and VCN (d) Determine the voltages VAR, VRc, and VCA (e) (i) Determine the total...