A balanced Y-connected voltage source with ? = 480 + ?0 ?, is applied to a??...
A balanced Y-connected voltage source with ? = 480 + ?0 ?, is applied to a??
balanced Δ – connected load ?Δ = 45 ∠ 40°Ω. The impedance between the source
and the load is ?? = 1 ∠ 86° Ω. Calculate the per-unit current and actual current in
phase “a” of the line using ? = 15 ??? and ? = 480 ?
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A balanced Y-connected voltage source with ? = 480 + ?0 ?, is
applied to a??...
A balanced, positive-sequence, Y-connected voltage source with Ean-277Vr is applied to a balanced-A load with Za-30+jd0)Ω...
A balanced, positive-sequence, Y-connected voltage source with Ean-277Vr is applied to a balanced-A load with Za-30+jd0)Ω The line impedance between source and load is ZL-(4+j3Q for each phase. Determine: a. Convert the Δ-load to its equivalent Y-load, and sketch the circuits b. Line currents C. The Δ-load currents d. Voltages at the load terminals
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
A Δ-connected source supplies power to a Y-connected load in a three-phase balanced system. Given that...
A Δ-connected source supplies power to a Y-connected load in a three-phase balanced system. Given that the line impedance is (1 + j1) Ω per phase while the load impedance is (6 + j4) Ω per phase, find the magnitude of the line voltage at the load. Assume the source phase voltage Vab= 208 ∠0° V rms. The magnitude of the line voltage at the load is _______ Vrms.
The magnitude of the phase voltage of an ideal balanced three-phase Y-connected source is 298 V....
The magnitude of the phase voltage of an ideal balanced three-phase Y-connected source is 298 V. The source is connected to a balanced Y-connected load by a distribution line that has an impedance of 8.25 ohms per phase. The load impedance is 67.96 ohms per phase. Using the a-phase voltage of the source as the reference, calculate the MAGNITUDE of the a-phase line line voltage of the load in volts.
A balanced Y -connected load having an impedance of 92+j21Ω/ϕ is connected in parallel with a...
A balanced Y -connected load having an impedance of 92+j21Ω/ϕ is connected in parallel with a balanced Δ -connected load having an impedance of 150∠ 0 ∘ Ω/ϕ . The paralleled loads are fed from a line having an impedance of j1Ω/ϕ . The magnitude of the line-to-line voltage of the Δ -load is 8150 V . A. Calculate the magnitude of the current in the line feeding the loads. B. Calculate the magnitude of the phase current in the...
A balanced Y-connected voltage source is applied to a balanced A-connected load with Zad (45-j30) ohm/phase...
A balanced Y-connected voltage source is applied to a balanced A-connected load with Zad (45-j30) ohm/phase connected, 150 kVA transformer. According to the rating of the transformer, which is on a reactance of the transformer is j0.8 per unit (ignore the magnetizing branch impedances) LOAD 13.2kV 480V Z j0.8 pu a) Utilizing a three-phase Stue of 100 kVA and transformer voltages as bases, draw the single phase b) What does the voltage (V) at the source to need to be...
There is a problem regarding power system. A balanced, Y-connected voltage source with Vab = 38020...
There is a problem regarding power system.
A balanced, Y-connected voltage source with Vab = 38020 rad is applied to a balanced, delta-connected load with ZA = 20.00 20.20rad 12. The line impedance between the source and load is Zi = 2.2021.22rad 22 for each phase. Calculate the real power losses in the three phase line in Watts.
A balanced Y-connected load with a phase impedance of 10 + j 4 Ω is supplied...
A balanced Y-connected load with a phase impedance of 10 + j 4 Ω is supplied by a balanced, positive sequence Δ-connected voltage source having Vab 208∠0o V. Given that the line impedance is 0.8 + j 0.3 Ω per phase. (i) Construct a single-phase equivalent circuit of the three-phase system. (ii) Calculate the phase currents of the load. (iii) Calculate the line voltages at the load.
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...
1. The phase voltage at the terminals of a balanced three-phase Y-connected load has an amplitude...
1. The phase voltage at the terminals of a balanced three-phase Y-connected load has an amplitude of 120V. The load has an impedance of 39 + j28Ω per phase. It is fed from a line having an impedance of 0.8 + j1.5 Ω per phase. The Y-connected source at the sending end of the line has an internal impedance of 0.2 + j0.5 Ω per phase. Calculate: a) The three line currents b) The three-phase voltages at the load c) ...
A balanced, positive-sequence, Y-connected voltage source with Ean-277Vr is applied to a balanced-A load with Za-30+jd0)Ω The line impedance between source and load is ZL-(4+j3Q for each phase. Determine: a. Convert the Δ-load to its equivalent Y-load, and sketch the circuits b. Line currents C. The Δ-load currents d. Voltages at the load terminals
The magnitude of the phase voltage of an ideal balanced three-phase Y-connected source is 298 V. The source is connected to a balanced Y-connected load by a distribution line that has an impedance of 8.25 ohms per phase. The load impedance is 67.96 ohms per phase. Using the a-phase voltage of the source as the reference, calculate the MAGNITUDE of the a-phase line line voltage of the load in volts.
A balanced Y-connected voltage source is applied to a balanced A-connected load with Zad (45-j30) ohm/phase connected, 150 kVA transformer. According to the rating of the transformer, which is on a reactance of the transformer is j0.8 per unit (ignore the magnetizing branch impedances) LOAD 13.2kV 480V Z j0.8 pu a) Utilizing a three-phase Stue of 100 kVA and transformer voltages as bases, draw the single phase b) What does the voltage (V) at the source to need to be...
There is a problem regarding power system.
A balanced, Y-connected voltage source with Vab = 38020 rad is applied to a balanced, delta-connected load with ZA = 20.00 20.20rad 12. The line impedance between the source and load is Zi = 2.2021.22rad 22 for each phase. Calculate the real power losses in the three phase line in Watts.
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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