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3 For the 3-phase, 4-wire arrangement shown in Figure...
A 3-phase 4 wire symmetrical (balanced) Y-connected source with line voltage 340V (take the phase of...
A 3-phase 4 wire symmetrical (balanced) Y-connected source with
line voltage 340V (take the phase of VanVan to be 0 degrees) feeds
an unbalanced three phase load formed by the impedances
ZY1=14+j(14)Ω, ZY2=7+j(11)Ω and ZY3=20+j(−14)Ω connected in a Y
(a.k.a. “star”, or a “tee”) configuration. Find the line currents,
neutral current (current in the fourth “return” wire), and active
power in each phase.
(20 points) A 3-phase 4 wire symmetrical (balanced) Yconnected source with line voltage 340V (take the phase...
Question 25 A balanced 3-phase Y-connected power supplies an office building through a four-wire distribution. The...
Question 25 A balanced 3-phase Y-connected power supplies an office building through a four-wire distribution. The circuit operates at 60 Hz. The voltage at the source is such that ? is taken in reference value and its value is 380 V in rms value and phase sequence ABC (positive). All the distribution line conductors are of the same material and have equal cross-sections. Considering the length of the line and the characteristics of the electrical cables, the impedances neutral conductors...
A three phase full-wave AC controller in Figure Q5(a) is supplied to a system with Y...
A three phase full-wave AC controller in Figure Q5(a) is supplied to a system with Y connected load system. The load consists of R = 100 and L = 0.01 mH which are connected in series between them. The line-to-line input voltage is given as 208 V with 50 Hz and the delay angle is given as a = 271/3. (1) Calculate the rms value of output phase voltage. (3 marks) (ii) Determine the power factor at output based on...
Q3. from a 240 V, 50 Hz supply as shown in the Figure 3. 24020 Vrms...
Q3. from a 240 V, 50 Hz supply as shown in the Figure 3. 24020 Vrms Inductive load with 0.6 lagging Load current 50 A Ohle Capacitor to be connected for power factor improvement Figure 3: a) Assuming that the capacitor shown in the figure is disconnected, calculate the load real (PL), reactive(Q1), and apparent power(SL) (5 marks) b) Draw the load power triangle and indicate real (P.) reactive (Q.), apparent (SL) power, and power factor angle (@.) (5 marks)...
QUESTION 5 In a Y-connected, 3-phase, 4-wire p.p.s load, a current of 45.9L -36 A is...
QUESTION 5 In a Y-connected, 3-phase, 4-wire p.p.s load, a current of 45.9L -36 A is flowing in the neutral. The positive and negative symmetrical components of the current in line b are: 1b2 = 18.6 L-15 A 1b1 = 21.3 L 64 A The voltage drops across the phases of the load are: Vc = 184 L 52 V Vo=226 L 60 V Va= 204 L-85 V 5.1 Calculate the impedances of the load [14] 5.2 Calculate the total...
A separately excited dc motor is fed by a 3-phase, 6-pulse converter shown in figure Q5. The 3-phase line is a 500 V, 6...
A separately excited dc motor is fed by a 3-phase, 6-pulse converter shown in figure Q5. The 3-phase line is a 500 V, 60 Hz supply. At rated condition, the dc motor armature current is 15 A. The dc motor armature resistance is 0.15 Ω and the rated speed is 1700 rpm. If the delay angle of the converter is 36 °, calculate the following: 3-phase (2 0 line Figure Q5. (2 marks) Rated voltage of the motor a. b....
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)...
1. A star connected secondary of a 60 Hz 3-phase transformer, as shown in Fig. 3, is supplying a ...
1. A star connected secondary of a 60 Hz 3-phase transformer, as shown in Fig. 3, is supplying a 3-phase HW uncontrolled rectifier loaded with a pure 10 Ω resistor. The fuse Fy is open circuit. L. Determine the conduction periods of the diodes ii Draw the waveform of the output voltage. F1 D D and D in msec. phase A iii. Calculate the secondary line voltage if the average iv. Draw the waveforms of the supply currents i, and...
please take note the question is extend a) A single phase 240V 50Hz supply is supplying...
please take note the question is extend
a) A single phase 240V 50Hz supply is supplying a power to a load which consist of 500 resistance and 0.3H inductance through a cable which has an effective impedance of 1+j2 0. The equivalent circuit of the single-phase system is shown in Figure Q1(a). Zcable=1+j2 I Load 5092 240V 50Hz Supply V Load 0.3H Figure Q1(a): A single phase system. i. ii. Determine the load current, low and the load voltage Vood...
step by step solution please thank you in advance Q1. The single-phase fully-controlled rectifier shown in...
step by step solution please
thank you in advance
Q1. The single-phase fully-controlled rectifier shown in Fig. 1, is operated from a 120 V rms supply and feeds a highly inductive load with R-102 a) Sketch the load voltage (Vo) and then find its average (Vde) as a function of a b) The firing angle is α-450 and the load current is la-15 A. Find the average power supplied to the load c) Sketch the source current (is) for α-450...
A 3-phase 4 wire symmetrical (balanced) Y-connected source with
line voltage 340V (take the phase of VanVan to be 0 degrees) feeds
an unbalanced three phase load formed by the impedances
ZY1=14+j(14)Ω, ZY2=7+j(11)Ω and ZY3=20+j(−14)Ω connected in a Y
(a.k.a. “star”, or a “tee”) configuration. Find the line currents,
neutral current (current in the fourth “return” wire), and active
power in each phase.
(20 points) A 3-phase 4 wire symmetrical (balanced) Yconnected source with line voltage 340V (take the phase...
A three phase full-wave AC controller in Figure Q5(a) is supplied to a system with Y connected load system. The load consists of R = 100 and L = 0.01 mH which are connected in series between them. The line-to-line input voltage is given as 208 V with 50 Hz and the delay angle is given as a = 271/3. (1) Calculate the rms value of output phase voltage. (3 marks) (ii) Determine the power factor at output based on...
Q3. from a 240 V, 50 Hz supply as shown in the Figure 3. 24020 Vrms Inductive load with 0.6 lagging Load current 50 A Ohle Capacitor to be connected for power factor improvement Figure 3: a) Assuming that the capacitor shown in the figure is disconnected, calculate the load real (PL), reactive(Q1), and apparent power(SL) (5 marks) b) Draw the load power triangle and indicate real (P.) reactive (Q.), apparent (SL) power, and power factor angle (@.) (5 marks)...
QUESTION 5 In a Y-connected, 3-phase, 4-wire p.p.s load, a current of 45.9L -36 A is flowing in the neutral. The positive and negative symmetrical components of the current in line b are: 1b2 = 18.6 L-15 A 1b1 = 21.3 L 64 A The voltage drops across the phases of the load are: Vc = 184 L 52 V Vo=226 L 60 V Va= 204 L-85 V 5.1 Calculate the impedances of the load [14] 5.2 Calculate the total...
A separately excited dc motor is fed by a 3-phase, 6-pulse converter shown in figure Q5. The 3-phase line is a 500 V, 60 Hz supply. At rated condition, the dc motor armature current is 15 A. The dc motor armature resistance is 0.15 Ω and the rated speed is 1700 rpm. If the delay angle of the converter is 36 °, calculate the following: 3-phase (2 0 line Figure Q5. (2 marks) Rated voltage of the motor a. b....
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)...
1. A star connected secondary of a 60 Hz 3-phase transformer, as shown in Fig. 3, is supplying a 3-phase HW uncontrolled rectifier loaded with a pure 10 Ω resistor. The fuse Fy is open circuit. L. Determine the conduction periods of the diodes ii Draw the waveform of the output voltage. F1 D D and D in msec. phase A iii. Calculate the secondary line voltage if the average iv. Draw the waveforms of the supply currents i, and...
please take note the question is extend
a) A single phase 240V 50Hz supply is supplying a power to a load which consist of 500 resistance and 0.3H inductance through a cable which has an effective impedance of 1+j2 0. The equivalent circuit of the single-phase system is shown in Figure Q1(a). Zcable=1+j2 I Load 5092 240V 50Hz Supply V Load 0.3H Figure Q1(a): A single phase system. i. ii. Determine the load current, low and the load voltage Vood...
step by step solution please
thank you in advance
Q1. The single-phase fully-controlled rectifier shown in Fig. 1, is operated from a 120 V rms supply and feeds a highly inductive load with R-102 a) Sketch the load voltage (Vo) and then find its average (Vde) as a function of a b) The firing angle is α-450 and the load current is la-15 A. Find the average power supplied to the load c) Sketch the source current (is) for α-450...
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