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Q2. A three-phase unbalanced delta-connected load containing impedances Z1, Z2 and resistor R3 is connected to...
A three unbalanced delta-connected load is connected a three-phase 380 V, 50 Hz power source with phase sequence ABC as shown in figure Q2. The impedance of the loads Z1, Z2, and Z3 are 30 + j25 Ω, 25 + j10 Ω , 15 - j35 Ω respectively. By taking the phase
(a) the line voltages VAB, VBC, VCA; (3 marks)
(b) the phase currents Iab, Ibc and Ica of the load; (6 marks)
(c) the line currents IAa, IBb and ICc; (6 marks)
(d) the total real power PT dissipation of the load; (2 marks)
(e) the total reactive power QT of the load; (2 marks)
(f) the apparent power drawn by the load; and (2 marks)
(g) the overall power factor of the system. (2 marks)
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,...
ELE2601/101/3/2019 QUESTION 4 A 400 V three-phase, 50 Hz system, ABC sequence supplies the following loads: A star-connected load with the following phase impedances: A delta-connected load of eq...
ELE2601/101/3/2019 QUESTION 4 A 400 V three-phase, 50 Hz system, ABC sequence supplies the following loads: A star-connected load with the following phase impedances: A delta-connected load of equal phase impedances: Use VAB as reference and determine the following quantities: 4.1 The magnitude and angle of the currents drawn by the star-connected load (IAN; lBN; ICN). 4.1.1 The magnitude and angle of the phase (IAB; lBc; ICa) and line (lA; ls; Ic) currents drawn by the delta-connected load. 4.1.2 (12)...
4. (20 points) The three-phase Y-connected power supply has a line-to-neutral voltage KIN of 1.220° KV....
4. (20 points) The three-phase Y-connected power supply has a line-to-neutral voltage KIN of 1.220° KV. A balanced-A load consisting of impedance Z1-20 30 Ω per phase is in parallel with a balanced-Y load having phase impedance of Z2 = 15245° Ω. Identical line impedances of Z1 = 3L15。Ω are in each of the three lines connecting the combined loads to the phase supply (a) Draw the per-phase equivalent circuit; (b) Find the line-to-line voltage Vab (magnitude and angle) at...
Consider a 3-phase inverter with a delta-connected load operating from a 150 V DC input voltage....
Consider a 3-phase inverter with a delta-connected load operating from a 150 V DC input voltage. The AC load consists of 3 identical impedances with R = 6 Ω and L = 30 mH and a frequency of 60 hz. a. Determine the RMS line voltage VAB. b. Obtain mathematical expressions for each phase of the load currents, IAB, IBC, and ICA.
5. For the Balanced 3-Phase delta () to delta (D) system below: Solve for the line to neutral vol...
5. For the Balanced 3-Phase delta () to delta (D) system below: Solve for the line to neutral voltages at the source (Van, Vbn, and Vcn), express your results in polar notation b. Draw the equivalent "one line diagram c. Solve for the line currents (laA, IbB, and IcC), express your results in polar notation d. Solve for the Delta currents IAB, IBC, and ICA, express your results in polar notation e. Solve for the line to neutral at the...
A balanced delta connected 3 phase load with per phase impedance of Z1 = 3 +...
A balanced delta connected 3 phase load with per phase impedance
of
Z1 = 3 + j9 (Ohm)
is connected in parallel to a balanced 3 phase star connected load
with per phase impedance:
Z2 = 6 + j16 (Ohm).
Their connection is shown in the Picture attached. This load
combination is connected to a balanced 3 phase 415V (line-to-line)
supply.
Find the magnitude of the line current drawn from the supply. Enter
your results in Amps with one digit...
In a balanced three-phase Y-A system, the source has an ABC phase sequence and Van=114/_43° V...
In a balanced three-phase Y-A system, the source has an ABC phase sequence and Van=114/_43° V rms. The line and load impedances are Z1 = R1 + jX1 = 2 + j1.82 and Zab = Rab + jXab = 54 + j3922, respective А RijX w IAa a VAN n Lab Ica јХca, Rab VON N VBN Rca jXab C B Roc jXbo с b RjX2 Wm Wm R3 jX3 Find the magnitude of the delta current Iab, Ibc, or...
a. The value of the voltage source and all the load impedances of AC circuit in...
a. The value of the voltage source and all the load impedances of AC circuit in Figure Q2(a) are given as list below; 21 Z3 V. Z2 ZA Figure Q2(a) Calculate the real and reactive power absorbed by load impedances and (C01: P01 - 8 marks) ii. Determine the power factor at the load impedance, (C01: P01 - 2 marks) a. The value of the voltage source and all the load impedances of AC circuit in Figure Q2(a) are given...
a) Find the magnitude of the line current IaA (A rms) b) Find the phase of...
a) Find the magnitude of the line current IaA (A rms)
b) Find the phase of the line current IaA. (Phase deg)
c) Find the magnitude of VAB the line-to-line load voltage (V
rms)
d) Find the phase of VAB (deg)
e) Find the magnitude of the load phase current IAB (A rms)
f) Find the phase of IAB (deg)
g) Find the total power delivered to the load (kW)
h) Find the power lost in the line. (kW)
A...
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,...
ELE2601/101/3/2019 QUESTION 4 A 400 V three-phase, 50 Hz system, ABC sequence supplies the following loads: A star-connected load with the following phase impedances: A delta-connected load of equal phase impedances: Use VAB as reference and determine the following quantities: 4.1 The magnitude and angle of the currents drawn by the star-connected load (IAN; lBN; ICN). 4.1.1 The magnitude and angle of the phase (IAB; lBc; ICa) and line (lA; ls; Ic) currents drawn by the delta-connected load. 4.1.2 (12)...
4. (20 points) The three-phase Y-connected power supply has a line-to-neutral voltage KIN of 1.220° KV. A balanced-A load consisting of impedance Z1-20 30 Ω per phase is in parallel with a balanced-Y load having phase impedance of Z2 = 15245° Ω. Identical line impedances of Z1 = 3L15。Ω are in each of the three lines connecting the combined loads to the phase supply (a) Draw the per-phase equivalent circuit; (b) Find the line-to-line voltage Vab (magnitude and angle) at...
5. For the Balanced 3-Phase delta () to delta (D) system below: Solve for the line to neutral voltages at the source (Van, Vbn, and Vcn), express your results in polar notation b. Draw the equivalent "one line diagram c. Solve for the line currents (laA, IbB, and IcC), express your results in polar notation d. Solve for the Delta currents IAB, IBC, and ICA, express your results in polar notation e. Solve for the line to neutral at the...
A balanced delta connected 3 phase load with per phase impedance
of
Z1 = 3 + j9 (Ohm)
is connected in parallel to a balanced 3 phase star connected load
with per phase impedance:
Z2 = 6 + j16 (Ohm).
Their connection is shown in the Picture attached. This load
combination is connected to a balanced 3 phase 415V (line-to-line)
supply.
Find the magnitude of the line current drawn from the supply. Enter
your results in Amps with one digit...
In a balanced three-phase Y-A system, the source has an ABC phase sequence and Van=114/_43° V rms. The line and load impedances are Z1 = R1 + jX1 = 2 + j1.82 and Zab = Rab + jXab = 54 + j3922, respective А RijX w IAa a VAN n Lab Ica јХca, Rab VON N VBN Rca jXab C B Roc jXbo с b RjX2 Wm Wm R3 jX3 Find the magnitude of the delta current Iab, Ibc, or...
a. The value of the voltage source and all the load impedances of AC circuit in Figure Q2(a) are given as list below; 21 Z3 V. Z2 ZA Figure Q2(a) Calculate the real and reactive power absorbed by load impedances and (C01: P01 - 8 marks) ii. Determine the power factor at the load impedance, (C01: P01 - 2 marks) a. The value of the voltage source and all the load impedances of AC circuit in Figure Q2(a) are given...
a) Find the magnitude of the line current IaA (A rms)
b) Find the phase of the line current IaA. (Phase deg)
c) Find the magnitude of VAB the line-to-line load voltage (V
rms)
d) Find the phase of VAB (deg)
e) Find the magnitude of the load phase current IAB (A rms)
f) Find the phase of IAB (deg)
g) Find the total power delivered to the load (kW)
h) Find the power lost in the line. (kW)
A...
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