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For the given circuit, a. Find the total admittance and impedance in polar form. b. Find...
for the circuit below: a. Circuit Impedance in polar and rectangular form. b. Is the circuit...
for the circuit below: a. Circuit Impedance in polar and rectangular form. b. Is the circuit more inductive or more capacitive? c. Draw the impedance phasor diagram. d. The net reactance that will make the impedance magnitude equal to 100 ohms. e. Itot, VR, VL, and VC in polar form. f. Draw the voltage phasor diagram. 47 2 80 2 35 22 4_ov frequency is 5KHz:
(30) In the circuit with a voltage source and two loads below, find the following: 2....
(30) In the circuit with a voltage source and two loads below, find the following: 2. The complex power of each load a. b. The total complex power for the two loads - note units of power in the figure c. Sketch the triangle for the total complex power e total current from the source as a phasor assuming the line voltage at the load is 20820 VRMS The value of the parallel capacitance in parallel with the two loads...
Question 15 Needs Grading For the following circuit, find total admittance and total impedance. (To receive...
Question 15 Needs Grading For the following circuit, find total admittance and total impedance. (To receive full credits, please write calculation procedure in a different answer sheet.) 100V 20 R=900 ) X 600 = X =200 Question 16 Needs Grading Please use the circuit in problem #15. Find the current is and the voltages iR, İL, and ic in phasor form. (To recelve full credits, please write calculation procedure in a different answer sheet.) Question 17 Needs Grading Please use...
For the circuit shown, find the impedance and phase angle. Draw an impedance phasor diagram and...
For the circuit shown, find the impedance and phase angle. Draw an impedance phasor diagram and fill in the table below. Is the circuit inductive, capacitive, or (nearly) purely resistive?
Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply....
Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply. The load-1 is a resistive load (lamp) with a total power of 5 kW. The load-2 is a motor drawing 10 kVA at 0.6 power factor, lagging. The capacitor is initially not connected a) Calculate the load currents (phasor) I and 12 14] b) Calculate the supply current I c) What is the power factor of the source when it supplies to both loads?...
Example 9 Three loads are connected in parallel across 1400 V, 60 Hz supply: Load 1:...
Example 9 Three loads are connected in parallel across 1400 V, 60 Hz supply: Load 1: 125 KVA, 0.28 PF lag Load 2: 10 kW, 40 kVAR capacitive load Load 3: 15 kW Find the total kW, kVAR, KVA, and the supply power factor . The KVAR and the capacitance in mF of the capacitor needed to improve the PF to 0.8 lagging
32. Repeat Problem 30 for the circuit of Fig. 15.141, replac- ing e with i, in part (d) IC e 35.4 sin(3141 +60) FIG. 15.141 Problem 32. a. Find the total admittance Yr in polar form. b. Draw the admi...
32. Repeat Problem 30 for the circuit of Fig. 15.141, replac- ing e with i, in part (d) IC e 35.4 sin(3141 +60) FIG. 15.141 Problem 32. a. Find the total admittance Yr in polar form. b. Draw the admittance diagram. c. Find the value of C in microfarads and L in henries. d. Find the voltage E and currents Ie, l, and e in pha- sor form. e. Draw the phasor diagram of the currents Is, IR, I, and...
10) For the network in Fig.: a. Find the total impedance ZT and the admittance YT....
10) For the network in Fig.: a. Find the total impedance ZT and the admittance YT. b. Find the currents I, 12, and 13. c. Verify Kirchhoff's current law by showing that Is-I+ 12+ 13. d. Find the power factor of the network, and indicate whether it is leading or lagging ZT 15Ω 13
A three-phase load of 15 kVA with a PF of 0.8 lagging is connected in parallel...
A three-phase load of 15 kVA with a PF of 0.8 lagging is connected in parallel with a three-phase load of 36 kW at 0.6 PF leading. The line-line voltage is 2000V. a) Find the total complex power and power factor. Is it inductive or capacitive? b) How much kVAR is needed to make the PF unity? c) What is the magnitude of the current going into the total load?
10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from...
10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from a 120-V rms, 60- Hz line. One load absorbs 1.5 kW at a 0.707 pf lagging. Determine: (a) the pf of the second load, INV 11. Calculate the line currents for the system shown in figure. Calculate also the total power and reactive power consumed by the load. w 12. For the balanced three-phase circuit in Fig.. Calculate the line currents, the phase voltage...
for the circuit below: a. Circuit Impedance in polar and rectangular form. b. Is the circuit more inductive or more capacitive? c. Draw the impedance phasor diagram. d. The net reactance that will make the impedance magnitude equal to 100 ohms. e. Itot, VR, VL, and VC in polar form. f. Draw the voltage phasor diagram. 47 2 80 2 35 22 4_ov frequency is 5KHz:
(30) In the circuit with a voltage source and two loads below, find the following: 2. The complex power of each load a. b. The total complex power for the two loads - note units of power in the figure c. Sketch the triangle for the total complex power e total current from the source as a phasor assuming the line voltage at the load is 20820 VRMS The value of the parallel capacitance in parallel with the two loads...
Question 15 Needs Grading For the following circuit, find total admittance and total impedance. (To receive full credits, please write calculation procedure in a different answer sheet.) 100V 20 R=900 ) X 600 = X =200 Question 16 Needs Grading Please use the circuit in problem #15. Find the current is and the voltages iR, İL, and ic in phasor form. (To recelve full credits, please write calculation procedure in a different answer sheet.) Question 17 Needs Grading Please use...
For the circuit shown, find the impedance and phase angle. Draw an impedance phasor diagram and fill in the table below. Is the circuit inductive, capacitive, or (nearly) purely resistive?
Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply. The load-1 is a resistive load (lamp) with a total power of 5 kW. The load-2 is a motor drawing 10 kVA at 0.6 power factor, lagging. The capacitor is initially not connected a) Calculate the load currents (phasor) I and 12 14] b) Calculate the supply current I c) What is the power factor of the source when it supplies to both loads?...
Example 9 Three loads are connected in parallel across 1400 V, 60 Hz supply: Load 1: 125 KVA, 0.28 PF lag Load 2: 10 kW, 40 kVAR capacitive load Load 3: 15 kW Find the total kW, kVAR, KVA, and the supply power factor . The KVAR and the capacitance in mF of the capacitor needed to improve the PF to 0.8 lagging
32. Repeat Problem 30 for the circuit of Fig. 15.141, replac- ing e with i, in part (d) IC e 35.4 sin(3141 +60) FIG. 15.141 Problem 32. a. Find the total admittance Yr in polar form. b. Draw the admittance diagram. c. Find the value of C in microfarads and L in henries. d. Find the voltage E and currents Ie, l, and e in pha- sor form. e. Draw the phasor diagram of the currents Is, IR, I, and...
10) For the network in Fig.: a. Find the total impedance ZT and the admittance YT. b. Find the currents I, 12, and 13. c. Verify Kirchhoff's current law by showing that Is-I+ 12+ 13. d. Find the power factor of the network, and indicate whether it is leading or lagging ZT 15Ω 13
10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from a 120-V rms, 60- Hz line. One load absorbs 1.5 kW at a 0.707 pf lagging. Determine: (a) the pf of the second load, INV 11. Calculate the line currents for the system shown in figure. Calculate also the total power and reactive power consumed by the load. w 12. For the balanced three-phase circuit in Fig.. Calculate the line currents, the phase voltage...
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