I need ANSWER OF THIS QUESTIONS a - In a balanced wye connected circuit, if the...
I need ANSWER OF THIS QUESTIONS
a - In a balanced wye connected circuit, if the line-to-line voltage was 346V, what would the line-to-neutral voltage be?
b - In the unbalanced wye circuit, did I1+I2+I3 = IN (assuming the phase currents were all separated by 120˚)?
c - If a balanced delta circuit had a line current of 600 Amps, what would the magnitude of the phase current be?
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I need ANSWER OF THIS QUESTIONS
a - In a balanced wye connected circuit, if the...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load through short feeder. seree the load line to neutral voltage as reference voltage phase angle zero. 02.1 Q2.2 Q2.3 Q2.4 Draw the equivalent circuit. 10p Calculate the load line-to-neutral voltages and line-to-line voltages. 20p Calculate the delta load currents and feeder currents. 20p Calculate the supply wye connected generator line-to-neutral voltages. Is the obtained values are acceptable? Calculate the generator real and reactive power...
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....
Analysis of a Balanced Wye-Wye Circuit w Review Learning Goat: To yanaye a balanced thre e...
Analysis of a Balanced Wye-Wye Circuit w Review Learning Goat: To yanaye a balanced thre e we wye Guit including equivalent outline currents phase voltages at the generator and at the load, and in voltages at the formats of the generator and of the load Atalanced, Tre phase, y connected generator with positive sequence has an impedance of 0.15+ and an internal voltage of 120 V / The generator ads a balanced the s e Y-connected to 34+ / The...
What is the answer for questions 2-5? Questions: 1. Delta-Wye and Wye-Delta configurations both produce: a)...
What is the answer for questions 2-5?
Questions: 1. Delta-Wye and Wye-Delta configurations both produce: a) Increases in secondary voltages and currents. b) Decreases in the secondary voltages and currents. c) Phase shift between the incoming and outgoing line voltages. d) Additional V3 increases in the secondary voltages and currents. ANSWER: Choose an item. 2. The line voltage at the secondary of a 10:1 wye-delta connected transformer will be: a) Equal to the line voltage at the primary times b)...
Calculate the short circuit current of a 3-phase delta-wye connected transformer if the short circuit occurs...
Calculate the short circuit current of a 3-phase delta-wye connected transformer if the short circuit occurs between phase A and the neutral at the low voltage side. The transformer is supplied by a 12.5kV line-to-line voltage. The transformer rating is 50kVA, 12.5kV/500V and 9.2% (leakage reactance)
1.) For a balanced three-phase wye-wye circuit. For a negative or ‘acb' sequence, SOURCE с LOAD...
1.) For a balanced three-phase wye-wye circuit. For a negative or ‘acb' sequence, SOURCE с LOAD a + Van n 5k b If Van = 100 VAC (effective voltage) a. Find the other phase voltages, Von and Vcn, including phase angles. b. Find the Line Voltages, including phase angles. C. If Zy = 5k12, find the magnitude of the phase and line currents. note: review the notes from Wednesday/Thursday on which measurements are phase, line, voltages and currents.
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a...
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a feeder. Load 1 Is an unbalanced wye connected load and load 2 is a balanced delta connected load. System data: Generator: Sg = 600 MVA; vg-11-25KV; Xg = 11896; Feeder: Z (0.08+j0.62) Ω/mile, length-8 miles Load 1: VII = 24KV, Pa =75MW Pb 75MW Pc=75MW pf_a=0.8 pf b 0.84 pf_c=0.78 Load 2: VIl-24KV; P total-225MW, pf 0.8; (all the power factor is supposed to...
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...
3. A balanced three-phase delta connected load with 15+j10 ohms load on each balanced, wye connected...
3. A balanced three-phase delta connected load with 15+j10 ohms load on each balanced, wye connected source with Van branch is supplied by a -7.6240 KV, while the transmission line impedances are 1+7j on each line. Calculate the line currents (currents on the transmission lines) la, 1b, and 1c. (Hint: convert the Δ configured load into a Y configured load
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load through short feeder. seree the load line to neutral voltage as reference voltage phase angle zero. 02.1 Q2.2 Q2.3 Q2.4 Draw the equivalent circuit. 10p Calculate the load line-to-neutral voltages and line-to-line voltages. 20p Calculate the delta load currents and feeder currents. 20p Calculate the supply wye connected generator line-to-neutral voltages. Is the obtained values are acceptable? Calculate the generator real and reactive power...
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....
Analysis of a Balanced Wye-Wye Circuit w Review Learning Goat: To yanaye a balanced thre e we wye Guit including equivalent outline currents phase voltages at the generator and at the load, and in voltages at the formats of the generator and of the load Atalanced, Tre phase, y connected generator with positive sequence has an impedance of 0.15+ and an internal voltage of 120 V / The generator ads a balanced the s e Y-connected to 34+ / The...
What is the answer for questions 2-5?
Questions: 1. Delta-Wye and Wye-Delta configurations both produce: a) Increases in secondary voltages and currents. b) Decreases in the secondary voltages and currents. c) Phase shift between the incoming and outgoing line voltages. d) Additional V3 increases in the secondary voltages and currents. ANSWER: Choose an item. 2. The line voltage at the secondary of a 10:1 wye-delta connected transformer will be: a) Equal to the line voltage at the primary times b)...
1.) For a balanced three-phase wye-wye circuit. For a negative or ‘acb' sequence, SOURCE с LOAD a + Van n 5k b If Van = 100 VAC (effective voltage) a. Find the other phase voltages, Von and Vcn, including phase angles. b. Find the Line Voltages, including phase angles. C. If Zy = 5k12, find the magnitude of the phase and line currents. note: review the notes from Wednesday/Thursday on which measurements are phase, line, voltages and currents.
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a feeder. Load 1 Is an unbalanced wye connected load and load 2 is a balanced delta connected load. System data: Generator: Sg = 600 MVA; vg-11-25KV; Xg = 11896; Feeder: Z (0.08+j0.62) Ω/mile, length-8 miles Load 1: VII = 24KV, Pa =75MW Pb 75MW Pc=75MW pf_a=0.8 pf b 0.84 pf_c=0.78 Load 2: VIl-24KV; P total-225MW, pf 0.8; (all the power factor is supposed to...
3. A balanced three-phase delta connected load with 15+j10 ohms load on each balanced, wye connected source with Van branch is supplied by a -7.6240 KV, while the transmission line impedances are 1+7j on each line. Calculate the line currents (currents on the transmission lines) la, 1b, and 1c. (Hint: convert the Δ configured load into a Y configured load
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