Referring to the three-phase circuit in Figure 2, find the line
currents, the voltage across the load, and the average power
absorbed by the connected delta load with ?∆ = 21 + ?24Ω.
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Referring to the three-phase circuit in Figure 2, find the line
currents, the voltage across the...
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...
A three-phase line, which has an impedance of (2 + j4) Ω per phase, feeds two...
A three-phase line, which has an impedance of (2 + j4) Ω per phase, feeds two balanced three-phase loads that are connected in parallel. One of the loads is Y- connected with an impedance of (30 + j40) Ω per phase, and the other is delta- connected with an impedance of (60 + j45) Ω per phase. The line is energized at the sending end from a 60-Hz, three phase, balanced voltage source of 120√3 V (rms, line- to-line). Determine...
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...
Please answer ALL PARTS of this question. 1) Calculate the three line currents . Enter its...
Please answer ALL PARTS of this question.
1) Calculate the three line
currents . Enter its magnitude in A
2) Calculate the three line currents . Enter its phase angle in degrees
3) Calculate the phase voltage at terminal of the load. Enter its
magnitude in V
4) Calculate the phase voltage at terminal of the load. Enter its phase
angle in degrees
5) Calculate the line voltage at the load. Enter its magnitude in V
6) Calculate the line...
1. (10 PT) A three-phase bridge rectifier circuit shown in the figure phase voltage of 220 volts rms. A load of 100 Ω is connected across is supplied by a rectifier. Both the primary and secondary...
1. (10 PT) A three-phase bridge rectifier circuit shown in the figure phase voltage of 220 volts rms. A load of 100 Ω is connected across is supplied by a rectifier. Both the primary and secondary windings of transfor Assume the transformer has a turns ratio of unity mer are Y-connected a) 3 PTI On the top of voltage plot on next page indicate the diodes that will be conducting during different intervals of time. b) 17 PT] Plot the...
2. Two balanced three-phase loads are connected in parallel. One load with per phase impedance 21...
2. Two balanced three-phase loads are connected in parallel. One load with per phase impedance 21 ?, is connected in delta, and the other load has per phase impedance 15 2 and is connected in wye. Ignore the line impedance. If the line voltage is a 208230° Vrms, determine (a) the phase voltage for phase-a, ) the line current Ia*, (c) the phase currents in the delta load (d) the complex power of the load and the power factor.
A voltage of 220V (rms) line to line voltage is applied across a three phase Y...
A voltage of 220V (rms) line to line voltage is applied across a three phase Y connected resistive load. Each phase of the Y, connected loads has a resistance of 127Ω. i) Find current through each phase i) Find the total three phase power ii) Find the power factor of the load
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,...
2. Consider the given 3-phase circuit. Assume the load voltage, PAB = 30L30, Kms (3) Are...
2. Consider the given 3-phase circuit. Assume the load voltage, PAB = 30L30, Kms (3) Are the loads connected in Wye or Delta configuration? Explain your selection. b. a. (3) Are the sources connected in Wye or Delta configuration? Explain your selection. (5) Draw the single-phase equivalent of the given circuit. Label the line-to-neutral voltage numerically. c. d. (4) Calculate the rms line current phasor in each phase. e. (5) Calculate the rms source voltage phasor in each phase. f...
A 3-phase circuit is shown in figure below. Load resistors (66 ?) are connected in delta...
A 3-phase circuit is shown in figure below. Load resistors (66 ?) are connected in delta and supplied by a 220-Vrms (line-to-line) balanced three-phase source through three lines of 2-ohm resistance. Determine the magnitude of the root-mean-square, line-to- line voltage across each 66-ohm resistor. 212 66 ? 2? O a 110 V ob, 120 V , 198 V O d. 200 V O e.202 V
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...
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...
Please answer ALL PARTS of this question.
1) Calculate the three line
currents . Enter its magnitude in A
2) Calculate the three line currents . Enter its phase angle in degrees
3) Calculate the phase voltage at terminal of the load. Enter its
magnitude in V
4) Calculate the phase voltage at terminal of the load. Enter its phase
angle in degrees
5) Calculate the line voltage at the load. Enter its magnitude in V
6) Calculate the line...
1. (10 PT) A three-phase bridge rectifier circuit shown in the figure phase voltage of 220 volts rms. A load of 100 Ω is connected across is supplied by a rectifier. Both the primary and secondary windings of transfor Assume the transformer has a turns ratio of unity mer are Y-connected a) 3 PTI On the top of voltage plot on next page indicate the diodes that will be conducting during different intervals of time. b) 17 PT] Plot the...
2. Two balanced three-phase loads are connected in parallel. One load with per phase impedance 21 ?, is connected in delta, and the other load has per phase impedance 15 2 and is connected in wye. Ignore the line impedance. If the line voltage is a 208230° Vrms, determine (a) the phase voltage for phase-a, ) the line current Ia*, (c) the phase currents in the delta load (d) the complex power of the load and the power factor.
A voltage of 220V (rms) line to line voltage is applied across a three phase Y connected resistive load. Each phase of the Y, connected loads has a resistance of 127Ω. i) Find current through each phase i) Find the total three phase power ii) Find the power factor of the load
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,...
2. Consider the given 3-phase circuit. Assume the load voltage, PAB = 30L30, Kms (3) Are the loads connected in Wye or Delta configuration? Explain your selection. b. a. (3) Are the sources connected in Wye or Delta configuration? Explain your selection. (5) Draw the single-phase equivalent of the given circuit. Label the line-to-neutral voltage numerically. c. d. (4) Calculate the rms line current phasor in each phase. e. (5) Calculate the rms source voltage phasor in each phase. f...
A 3-phase circuit is shown in figure below. Load resistors (66 ?) are connected in delta and supplied by a 220-Vrms (line-to-line) balanced three-phase source through three lines of 2-ohm resistance. Determine the magnitude of the root-mean-square, line-to- line voltage across each 66-ohm resistor. 212 66 ? 2? O a 110 V ob, 120 V , 198 V O d. 200 V O e.202 V
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