An impedance of 10+4j is connected to a voltage source supplying 100 < 0 V to...
An impedance of 10+4j is connected to a voltage source supplying 100 < 0 V to the impedance.
What is the current supplied to the impedance?
What is the power factor of the load?
What is the real, reactive, apparent, and complex power consumed by
the load?
Homework Answers
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An impedance of 10+4j is connected to a voltage source supplying
100 < 0 V to...
9. A three phase balanced Y connected source is supplying three, three phase loads that are...
9. A three phase balanced Y connected source is supplying three, three phase loads that are connected in parallel. First load is a y connected and has an impedance of 30+j40 ohms. The second load is absorbing a total of 150kVA at 0.5 power factor lagging. The third load is absorbing 150kVA at 0.5 power factor leading. The line to line source rms voltage is 2500V. i Find the load current in each load i) Find the total real and...
Consider the following circuit with an AC voltage source Vin = 1500V260° V connected to a...
Consider the following circuit with an AC voltage source Vin = 1500V260° V connected to a load. The total current drawn from the source 2. 15V2 275 A. Load Calculate . Load Impedance . Average Power(P) . Reactive Power (Q) . Power Factor . Complex Power (S) Apparent Power (ISI
1) Figure- generator is producing a line voltage of 480 V, and the line impedance is...
1) Figure- generator is producing a line voltage of 480 V, and the line impedance is 0.09 + j0.16 . Load 1 is Y connected, with a phase impedance of 2.5236.87° 0 and load 2 is A connected, with a phase impedance of 54-20° n. shows a three-phase power system with two loads. The A-connected 2 0.09 j0.16 n w Vca= 4802-240° V + Vab = 48020 V Vhc = 480-120° V 0.09 j0.16 0.09 j0.16 Load 1 Load 2...
A balanced Y-connected voltage source with a phase voltage ? = 277∠0°? delivers to a balanced...
A balanced Y-connected voltage source with a phase voltage ? = 277∠0°? delivers to a balanced delta connected load with impedance ?ௗ௧ = 45 − ?18Ω that is in parallel with a Yconnected load with impedance ? = 30 + ?15Ω. (a) Calculate the current at the source (b) Calculate the source real and reactive power
Example 1 The voltage across the load is v(t) = 60 cos(wt - 10°) V and...
Example 1 The voltage across the load is v(t) = 60 cos(wt - 10°) V and the current through the element in the direction of I voltage drop is i(t) = 1.5 sin(wt + 50°) A. Find a) The complex and apparent powers b) The real and the reactive powers c) The power factor and the load impedance.
Problem 1 A single-phase source is supplying passive loads through two wires. The impedance of each...
Problem 1 A single-phase source is supplying passive loads through two wires. The impedance of each wire is (0.05 + 30.05) 2. The load is connected between the two wires at the far end. The load current is 75 A (rms). a. What is the source voltage that you need in order to have 120 V (rms) across the load when the power factor of the load is unity? b. Repeat for the case where the load power factor is...
20. The voltage and current in an electrical load is given by v(t) = 100 cos(wt...
20. The voltage and current in an electrical load is given by v(t) = 100 cos(wt + 15°) and i(t) = 2 cos(wt – 15°). The reactive power Q in the load is 21. An electrical load absorbs an average power of 8kW at a leading power factor of 0.8. The reactive power in the load is 22. A balanced Y-connected load with an impedance of 104–30°N? per phase is supplied by a balanced A-connected source with Va = 208/30°V...
2. A load is connected to a voltage of 1320 volts at 60 Hz. The load...
2. A load is connected to a voltage of 1320 volts at 60 Hz. The load dissipates 100 kW with a 0.867 power factor. Specify the capacitance needed to correct the power factor to being 1. 3. Consider a circuit for a single-phase AC power system, where a 200 volt AC voltage source is delivering power to a loads. Find the true power, reactive power and apparent power delivered by 150 mA current (Impedance phase angle 0 = 30°) 3....
Problem 3ph [10 pts]: Y-connected source: A Y-connected balanced three-phase source is feeding a ...
Please show how this transformers problem is done. Thanks!
Problem 3ph [10 pts]: Y-connected source: A Y-connected balanced three-phase source is feeding a balanced three-phase load (it doesn't matter whether the load is Y or Delta connected). The voltage and current of the source are: van (t) - 340 sin (377t + 0.5236) ia(t) 100sin (377t 0.87266) Calculate the following: (a) The rms phase voltage (Van, magnitude and phase). (b) The rms line-to-line voltage (Vab, magnitude and phase) (c) The...
A balanced three phase load connected Y has impedance in each phase . A balanced three...
A balanced three phase load connected Y has impedance in each phase . A balanced three phase source 4000 V connected to the load through three phase line with identical impedance equals to . Find : a) Phase voltage to neutral source b) Current at line c) Line-to-line voltage of the load d) Apparent Power sent by 3 phase source 2+4j We were unable to transcribe this image
9. A three phase balanced Y connected source is supplying three, three phase loads that are connected in parallel. First load is a y connected and has an impedance of 30+j40 ohms. The second load is absorbing a total of 150kVA at 0.5 power factor lagging. The third load is absorbing 150kVA at 0.5 power factor leading. The line to line source rms voltage is 2500V. i Find the load current in each load i) Find the total real and...
Consider the following circuit with an AC voltage source Vin = 1500V260° V connected to a load. The total current drawn from the source 2. 15V2 275 A. Load Calculate . Load Impedance . Average Power(P) . Reactive Power (Q) . Power Factor . Complex Power (S) Apparent Power (ISI
1) Figure- generator is producing a line voltage of 480 V, and the line impedance is 0.09 + j0.16 . Load 1 is Y connected, with a phase impedance of 2.5236.87° 0 and load 2 is A connected, with a phase impedance of 54-20° n. shows a three-phase power system with two loads. The A-connected 2 0.09 j0.16 n w Vca= 4802-240° V + Vab = 48020 V Vhc = 480-120° V 0.09 j0.16 0.09 j0.16 Load 1 Load 2...
Example 1 The voltage across the load is v(t) = 60 cos(wt - 10°) V and the current through the element in the direction of I voltage drop is i(t) = 1.5 sin(wt + 50°) A. Find a) The complex and apparent powers b) The real and the reactive powers c) The power factor and the load impedance.
Problem 1 A single-phase source is supplying passive loads through two wires. The impedance of each wire is (0.05 + 30.05) 2. The load is connected between the two wires at the far end. The load current is 75 A (rms). a. What is the source voltage that you need in order to have 120 V (rms) across the load when the power factor of the load is unity? b. Repeat for the case where the load power factor is...
20. The voltage and current in an electrical load is given by v(t) = 100 cos(wt + 15°) and i(t) = 2 cos(wt – 15°). The reactive power Q in the load is 21. An electrical load absorbs an average power of 8kW at a leading power factor of 0.8. The reactive power in the load is 22. A balanced Y-connected load with an impedance of 104–30°N? per phase is supplied by a balanced A-connected source with Va = 208/30°V...
2. A load is connected to a voltage of 1320 volts at 60 Hz. The load dissipates 100 kW with a 0.867 power factor. Specify the capacitance needed to correct the power factor to being 1. 3. Consider a circuit for a single-phase AC power system, where a 200 volt AC voltage source is delivering power to a loads. Find the true power, reactive power and apparent power delivered by 150 mA current (Impedance phase angle 0 = 30°) 3....
Please show how this transformers problem is done. Thanks!
Problem 3ph [10 pts]: Y-connected source: A Y-connected balanced three-phase source is feeding a balanced three-phase load (it doesn't matter whether the load is Y or Delta connected). The voltage and current of the source are: van (t) - 340 sin (377t + 0.5236) ia(t) 100sin (377t 0.87266) Calculate the following: (a) The rms phase voltage (Van, magnitude and phase). (b) The rms line-to-line voltage (Vab, magnitude and phase) (c) The...
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