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Problem 3: The line-to-neutral voltage at the terminals of the balanced three-phase load in the circuit...
The line-to-neutral voltage at the terminals of the balanced three-phase load in the circuit shown in...
The line-to-neutral voltage at the terminals of the balanced three-phase load in the circuit shown in A I į 480, kVAI 1 08 pf Q Tap image to zoom is 1900 V.At this voltage, the load is absorbing 480 kVA at 0.8 pf lag Part A Use VAN as the reference and express Ina in polar form. Enter your answer using polar notation. Express argument in degrees. Submit Request Answer Part B Calculate the complex power associated with the ideal...
9) The voltage V in the frequency-domain circuit shown in Fig. P10.18 is 240/0°V (rms) a)...
9) The voltage V in the frequency-domain circuit shown in Fig. P10.18 is 240/0°V (rms) a) Find the average and reactive power for the voltage source. average power? magnetizing vars? with each impedance branch in the circuit. absorbed average power. absorbed magnetizing vars. b) Is the voltage source absorbing or delivering c) Is the voltage source absorbing or delivering d) Find the average and reactive powers associated e) Check the balance between delivered and f) Check the balance between delivered...
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...
A three phase line has an Impedance of 0.4+j2.7 Ω per phase. The line feeds two...
A three phase line has an Impedance of 0.4+j2.7 Ω per phase. The line feeds two balanced three phase loads that are connected in parallel. The first load is absorbing 560.1kVA @ PF=0.707 lagging and the second load absorbs 132kW @ PF=1. The line-to-line voltage at the load side is 3810.5/_30° V. Determine: a) The magnitude of the line voltage at the source side b) Total active & reactive power loss in the line c) Active and reactive power at...
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) ...
The a-phase voltage of an ideal balanced three-phase Y-connected source is Van-13.2kV<0° and the frequency is...
The a-phase voltage of an ideal balanced three-phase Y-connected source is Van-13.2kV<0° and the frequency is 60Hertz. The source is connected to a A-connected 3-phase balanced load of 100+j750 per phase. The lines are considered perfect. The phase sequence of the source is abc Use the a-phase sequence as a reference. a) Draw the 3-phase circuit b) Give Van, Voor and V, Derive VAB and derive Vec,and VcA c) Calculate lAB and derive Isc and IcA d) Calculate the total...
Problem 3. Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs...
Problem 3. Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs 30 kW at 0.8 power factor lagging. The line impedance is (1.4 + j1.6) 12 per phase between generator G1 and the load, and (0.8 + jl) 2 per phase between generator G2 and the load. If generator G1 supplies 15 kW at 0.8 power factor lagging, with a terminal voltage of 460 V line-to-line, determine: 1. The voltage at the load terminals. 2....
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...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
The line-to-neutral voltage at the terminals of the balanced three-phase load in the circuit shown in A I į 480, kVAI 1 08 pf Q Tap image to zoom is 1900 V.At this voltage, the load is absorbing 480 kVA at 0.8 pf lag Part A Use VAN as the reference and express Ina in polar form. Enter your answer using polar notation. Express argument in degrees. Submit Request Answer Part B Calculate the complex power associated with the ideal...
9) The voltage V in the frequency-domain circuit shown in Fig. P10.18 is 240/0°V (rms) a) Find the average and reactive power for the voltage source. average power? magnetizing vars? with each impedance branch in the circuit. absorbed average power. absorbed magnetizing vars. b) Is the voltage source absorbing or delivering c) Is the voltage source absorbing or delivering d) Find the average and reactive powers associated e) Check the balance between delivered and f) Check the balance between delivered...
The a-phase voltage of an ideal balanced three-phase Y-connected source is Van-13.2kV<0° and the frequency is 60Hertz. The source is connected to a A-connected 3-phase balanced load of 100+j750 per phase. The lines are considered perfect. The phase sequence of the source is abc Use the a-phase sequence as a reference. a) Draw the 3-phase circuit b) Give Van, Voor and V, Derive VAB and derive Vec,and VcA c) Calculate lAB and derive Isc and IcA d) Calculate the total...
Problem 3. Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs 30 kW at 0.8 power factor lagging. The line impedance is (1.4 + j1.6) 12 per phase between generator G1 and the load, and (0.8 + jl) 2 per phase between generator G2 and the load. If generator G1 supplies 15 kW at 0.8 power factor lagging, with a terminal voltage of 460 V line-to-line, determine: 1. The voltage at the load terminals. 2....
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...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
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