A 208 –volt, Δ-connected generator supplies power to a-connected load of impedance 24 + j6 Ω/Φ...
A 208 –volt, Δ-connected generator supplies power to a-connected load of impedance 24 + j6 Ω/Φ through lines of impedance 1+ j1 Ω/Φ a) Draw the Y-equivalent per-phase circuit; b) Determine the line current; c) Determine the power absorbed by the load; draw the power triangle; determine the power factor; d) Determine the power lost in lines; e) Determine the total power supplied by the generator; draw the power triangle; f) Determine the power factor angle of the generator.
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A 208 –volt, Δ-connected generator supplies power to a-connected
load of impedance 24 + j6 Ω/Φ...
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.
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.
A 3-φ Y connected source supplies 12 kVA with a power factor of 0.8 lagging to a parallel
A 3-φ Y connected source supplies 12 kVA with a power factor of 0.8 lagging to a parallel combination of a Y load and a Δ load. If the Y load consumes 5.6 kVA at a power factor of 0.75 lagging and has phase-a current of 8 Arms and the angle of the current is -30°, determine the phase impedance of the Δ load. Real part of the impedance of the Δ load in Ohms: Imaginary part of the impedance of the...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load through short feeder. seree the load line to neutral voltage as reference voltage phase angle zero. 02.1 Q2.2 Q2.3 Q2.4 Draw the equivalent circuit. 10p Calculate the load line-to-neutral voltages and line-to-line voltages. 20p Calculate the delta load currents and feeder currents. 20p Calculate the supply wye connected generator line-to-neutral voltages. Is the obtained values are acceptable? Calculate the generator real and reactive power...
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a...
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a feeder. Load 1 Is an unbalanced wye connected load and load 2 is a balanced delta connected load. System data: Generator: Sg = 600 MVA; vg-11-25KV; Xg = 11896; Feeder: Z (0.08+j0.62) Ω/mile, length-8 miles Load 1: VII = 24KV, Pa =75MW Pb 75MW Pc=75MW pf_a=0.8 pf b 0.84 pf_c=0.78 Load 2: VIl-24KV; P total-225MW, pf 0.8; (all the power factor is supposed to...
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...
1. (50 Points) angle phase voltage source supplies an RL load connected in parallel configuration throu...
1. (50 Points) angle phase voltage source supplies an RL load connected in parallel configuration throu given below: Load: R 500 and X j50 Ω. The voltage across the load is 20 kV. wire impedance : 2.5 +j20 Ω. Answer the following questions: (a) Represent the circuit in phasor domain. (b) Calculate the phasor current through the wire. (c) Calculate the voltage across the source. (d) Calculate the phasor current through the load resistance. (e) Calculate the complex power supplied...
A three-phase, Y-connected, 6.9-kV, 8-pole, 60-Hz, synchronous motor has a synchronous impedance of 0.01+j6 Ω/phase. The...
A three-phase, Y-connected, 6.9-kV, 8-pole, 60-Hz, synchronous motor has a synchronous impedance of 0.01+j6 Ω/phase. The motor is energized at its rated voltage and frequency, and draws a line current of 100 A. The motor rotates a load, while operating at a lagging power factor of 0.9. Calculate the torque developed by the motor: (a) considering the armature resistance (b) neglecting the armature resistance
Review | Constants Part A An ach sequence balanced three-phase Y connected source supplies power to...
Review | Constants Part A An ach sequence balanced three-phase Y connected source supplies power to a balanced three-phase A-connected load with an impedance of 12 + j6 / 6. The source voltage in the b-phase is 2302-50 V. The line impedance is 1+j / Use the single-phase equivalent circuit for the a-phase to find the current in the a-phase of the load Express your answer in amperes to three significant figures. Enter your answer using angle notation. Express argument...
Figure 2 shows a one-line diagram of a small 440-V industrial distribution system. The power system...
Figure 2 shows a one-line diagram of a small 440-V industrial distribution system. The power system supplies a constant line voltage of 440-V, and the impedance of the distribution lines is negligible. Load is a Δ-connected load with a phase impedance of 20L45°Ω, and load 2 is a Y-connected load with a phase impedance of 101-200Ω (a) Find the overall power factor of the distribution system (b) Find the total line current supplied to the distribution systenm Bus A LoadDelta...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load through short feeder. seree the load line to neutral voltage as reference voltage phase angle zero. 02.1 Q2.2 Q2.3 Q2.4 Draw the equivalent circuit. 10p Calculate the load line-to-neutral voltages and line-to-line voltages. 20p Calculate the delta load currents and feeder currents. 20p Calculate the supply wye connected generator line-to-neutral voltages. Is the obtained values are acceptable? Calculate the generator real and reactive power...
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a feeder. Load 1 Is an unbalanced wye connected load and load 2 is a balanced delta connected load. System data: Generator: Sg = 600 MVA; vg-11-25KV; Xg = 11896; Feeder: Z (0.08+j0.62) Ω/mile, length-8 miles Load 1: VII = 24KV, Pa =75MW Pb 75MW Pc=75MW pf_a=0.8 pf b 0.84 pf_c=0.78 Load 2: VIl-24KV; P total-225MW, pf 0.8; (all the power factor is supposed to...
1. (50 Points) angle phase voltage source supplies an RL load connected in parallel configuration throu given below: Load: R 500 and X j50 Ω. The voltage across the load is 20 kV. wire impedance : 2.5 +j20 Ω. Answer the following questions: (a) Represent the circuit in phasor domain. (b) Calculate the phasor current through the wire. (c) Calculate the voltage across the source. (d) Calculate the phasor current through the load resistance. (e) Calculate the complex power supplied...
Review | Constants Part A An ach sequence balanced three-phase Y connected source supplies power to a balanced three-phase A-connected load with an impedance of 12 + j6 / 6. The source voltage in the b-phase is 2302-50 V. The line impedance is 1+j / Use the single-phase equivalent circuit for the a-phase to find the current in the a-phase of the load Express your answer in amperes to three significant figures. Enter your answer using angle notation. Express argument...
Figure 2 shows a one-line diagram of a small 440-V industrial distribution system. The power system supplies a constant line voltage of 440-V, and the impedance of the distribution lines is negligible. Load is a Δ-connected load with a phase impedance of 20L45°Ω, and load 2 is a Y-connected load with a phase impedance of 101-200Ω (a) Find the overall power factor of the distribution system (b) Find the total line current supplied to the distribution systenm Bus A LoadDelta...
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