The magnitude of the line voltage at the terminals of a balanced Y-connected load is 12800V. The load impedance is 216+j632 per phase. The load is fed from a line that has as impedance of 0.25+j22 per phase. Assume the sequence is negative. If VAB is the refernene voltage, the VBc and Vca respectively:
Q: The 3-phase load is connected to a balanced 2300V, abc source. In doing this, 3 conductors are used…
A: It is given that: phase voltage :Van=2300∠0°Load impedance:zL=0.5+j2ohm
Q: Three identical impedances Z, = 30230° are connected in A to a balanced three-phase 208 V source by…
A: Conversion from Delta connection to star connection, ZY=Z∆3 Line voltage, VL=3×Vph Line current,…
Q: 3. A balanced delta connected load of "X" Q- per phase is connected at the end of a three-phase…
A: Given The connected load X=13+j16 Ω The line impedance G=3+j6 Ω The line-to-line voltage Vab=207.85…
Q: A 4200-V, three-phase transmission line has an impedance of 4+j ohms per phase. If it supplies a…
A:
Q: A balanced three-phase load requires 480kW at a lagging power factor of 0.8. The loadis fed from a…
A: Given PL=480 KWLagging power factor=0.8Load impedance=0.005+j0.025/∅Load voltage=600 v
Q: In a balanced three-phase system, the source is a balanced Y with an abc phase sequence and a line…
A: Phase voltage can be calculated as, Balanced wye impedance is given as, Balanced delta impedance…
Q: The phase voltage at the terminals of a balanced 3-phase Y-connected load is 2400 V. • The load…
A:
Q: Problem 2: Y-A three-phase and Z= 4/245º N. Given the line impedances Zi = 3 + j4 N, A balanced acb…
A: In this question, We need to determine the line current and total power absorb by the load. We…
Q: Given a balanced Y - A network with Vi = 10020° Vms at 60HZ connected in positive sequence and Z A =…
A:
Q: An abc-sequence, three-phase, 4-wire, 380-V supply is connected to an unbalanced load having phase…
A: Phase sequence:- Three phase sequence have same magnitude and phase difference by each other by 120…
Q: Two balanced three-phase loads that are connected in parallel are fed by a three-phase line having a…
A: Now, drawing the circuit diagram. Complex power of load one is given by,
Q: 3. Three identical impedances ZA = 30/30° are connected in A to a balanced three-phase 208 V source…
A: Given: Load impedance Z∆=30∠30° ΩLine-line source voltage VL-L= 208 VLine impedance ZL=0.3+j0.4 Ω…
Q: Problem 1. A balanced delta connected load of 15 +j18 2 per phase is connected at the end of a…
A: In the question, 3 phase balance supplied to 3 phase balance delta load Find the line current,…
Q: For the balanced positive-sequence three-phase circuit below, given that Van=100410° V and Za=15455°…
A:
Q: An abc-sequence balanced three-phase Y-connected source is supplying power to a balanced Y-connected…
A:
Q: A load of 135 MW at a power factor of 0.85 lagging can be delivered by a 3-phase transmission line.…
A:
Q: A load of 125 MW at a power factor of 0.7 lagging can be delivered by a 3-phase transmission line.…
A:
Q: A three-phase line has an impedance of 2+j4 N. The line feeds two balanced three-phase loads that…
A: In this question, We need to determine the real power, reactive power of source, individual load…
Q: Two balanced A-connected loads, with impedances 20/–60° Q and 18/45°, respectively, are connected to…
A:
Q: A three-phase delta-connected load of 15+ jl8 Q per phase is supplied by an abc-sequence balanced…
A:
Q: The circuit shown below is excited by a balanced three-phase source with a line voltage Vab = 207.84…
A: Here, As shwon in the figure the source is a balanced three phase shource and the load is the delta…
Q: 2. Refer to the figure below. VAB=220460 V, VBc=2202-60 V, VCA=2202-180 V a. Find the line current…
A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…
Q: Determine the sending end voltage, voltage regulation, the sending end power, and the transmission…
A: Voltage regulation The voltage regulation is defined as the measure of change in the voltage…
Q: From the circuit shown below; Assume a phase voltage of Van = 120∠0 ° positive sequence, where the…
A:
Q: A balanced negative sequence 3-phase system consist of Y-connected load supplied by a balanced…
A: Given Load and source , both are star connected line impedance =5 + j 5 ohm per phase load impedance…
Q: A load of 135 MW at a power factor of 0.65 lagging can be delivered by a 3-phase transmission line.…
A:
Q: For the 3-phase, 3 wire system below. Compute for the line currents, total real power, total…
A: Given: Consider the given circuit:
Q: A load of 145 MW at a power factor of 0.9 lagging can be delivered by a 3-phase transmission line.…
A:
Q: For a three phase balanced Y-connected load having a magnitude of line voltage |VAB|=650V and total…
A: Given Values are:- Vab=650VPavg=22KWCosϕ=0.65 we are going to use formula's given below;…
Q: single circuit three-phase line, 60 Hz, 18 km has a total resistance and inductive reactance of…
A: Since we only answer up to three sub-parts, we’ll answer the first three. Please resubmit the…
Q: Two balanced three-phase loads that are connected in parallel are fed by a three-phase line having a…
A:
Q: 7 8. A three-phase balanced load is supplied by VCB = 300 sin (wt - 25°) V, CAB circuit where the…
A: The solution is given below
Q: A balanced delta-connected load has phase impedances of 4+j3 Ohms. It is connected to balanced…
A:
Q: Q2) A 3-phase transmission line has an impedance of 1 + j2 /phase. If it supplies a 3-phase load of…
A: Power lost in a resistor = current 2× resistance. Sending end voltage =receiving end voltage ×…
Q: A load of 135 MW at a power factor of 0.65 lagging can be delivered by a 3-phase transmission line.…
A:
Q: 1. A balanced delta-connected lood with impedance per phase of 30<30 ohms is connected to an…
A: Given A balanced delta connected load With impedance 4+j3 And voltage eAC = -120√2 cos (120πt -…
Q: A balanced three-phase distribution line has an impedance of 5 + j10 N/4. This line is used to sup-…
A: The solution is given below It's transmission line problem in power system
Q: A balanced delta connected load of 13+j16 ohm per phase is connected at the end of a three-phase…
A:
Q: (a) Based on the relationship between the line and phase value of currents and voltage, show that…
A: By using three phase balanced circuit expressions
Q: A professional center is supplied by a balanced three-phase source. The center has four plants, each…
A:
Q: A load of 125 MW at a power factor of 0.9 lagging can be delivered by a 3-phase transmission line.…
A: Given a three phase transmission line with load 125 MW ,0.9 pf, 57 kv The loss in the transmission…
Q: A set of balanced three-phase transmission lines with line-to-line voltages of 13 kV is connected to…
A: Given: For balanced 3-phase star-connected load, per-phase impedance Z=8+3j Ω=8.544∠20.55° Ω,…
Q: Q3) A 345-kV, three-phase transmission line delivers 500 MVA, 0.866 power factor lagging, to a…
A: Q3) It is given that: S=500 MVAPF=0.866Vph=VL-L=345∠0° kV
Q: In a balanced three-phase Y-Y system, the source is an acb sequence of voltages and given Vcn =…
A: As per the guidelines of Bartley we supposed to answer first three subpart only for solution of…
Q: A balanced delta connected load of "14+j19" 2- per phase is connected at the end of a three-phase…
A:
Q: 2. Two balanced three-phase loads that are connected in parallel are fed by a three-phase line…
A: Given, The three-phase line impedance, ZL=0.1+j1.4 Ω The apparent power at Load 1, SL1=500 kVA The…
Q: 6. Three wye-connected load impedances, z = 15260° n, = 202 - 30° , and 2 = 1045 2, are connected to…
A: This problem can be done by converting given line voltage to phase voltage and applying ohm's law
Q: A balanced wye-delta system is shown in below figure. Line impedance, %3D %3D per phase Load…
A: Given circuit is = Given values are =
Plz solve this question ASAP
circuit Analysis
Step by step
Solved in 2 steps with 2 images
- Two balanced three-phase loads that are connected in parallel are fed by a three-phase line having a series impedance of (0.4j2.7) per phase. One of the loads absorbs 560 kVA at 0.707 power factor lagging, and the other 132 kW at unity power factor. The line-to-line voltage at the load end of the line is 2203V. Compute (a) the line-to-line voltage at the source end of the line. (b) the total real and reactive power losses in the three-phase line, and (c) the total three-phase real and reactive power supplied at the sending end of the line. Check that the total three-phase complex power delivered by the source equals the total three-phase comp lex power absorbed by the line and loads.Three identical impedances of 10∠ − 15° Ω to a line voltage of 208 V in star connectedconnected to a balanced source. We accept all line and phase voltages and currents as Vca as reference.Calculate in the form (Assume positive order).The phase voltage at the terminals of a balanced three-phase Yconnected load is 2400 V. The load has an impedance of 16 + j12 Ω/ϕ and is fed from a line having an impedance of 0.10 + j0.80 Ω/ϕ. The Yconnected source at the sending end of the line has a phase sequence of acb and an internal impedance of 0.02 + j0.16 Ω/ϕ. Use the a-phase voltage at the load as the reference and calculate (a) the line currents IaA, IbB, and IcC; (b) the line voltages at the source, Vab, Vbc, and Vca; and (c) the internal phase-to-neutral voltages at the source, Va ′n, Vb′n, and Vc′n.
- A balanced delta connected load of "14+j19" 2- per phase is connected at the end of a three-phase line. The line impedance is "6+18j" 2- per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 Vrms. Taking phase "a" voltage Va as reference, determine the following: (a) Current in phase a. (b) Total complex power supplied from the source. (c) Magnitude of the line-to-line voltage at the load terminal.A balanced delta-connected lood with impedance per phase of 30<30 ohms is connected to an abc-sequence balanced three-phase source with eAC = -120√2 cos (120πt + π/6) V through conductors with negligible impedances. Determine the line currents, load phase currents and the total complex power drawn by the lood. Write your values in polar form.3. A balanced delta connected load of "14+J18" ohm - per phase is connected at the end of a three-phase line. The line impedance is "7+J12" ohm - per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 Vrms. Taking phase "a" voltage Va as reference, determine the following: (a) Current in phase a. (b) Total complex power supplied from the source. (c) Magnitude of the line-to-line voltage at the load terminal.
- 1. An unbalanced, three-phase, delta-connected load, is supplied by an alternator three-phase system given in abc phase sequence in which Vbc is 220∠0° V. The load impedances Zab, Zbc, and Zca are given as 5∠60°, 10∠0°, and 15∠−20° Ω, respectively. Determine the following: (a) The phase currents Iab, Ibc, and Ica (b) The line currents Ia, Ib, and Ic (c) The powers absorbed by the individual impedances of the load (d) The total power absorbed by the load (e) The power recorded on each wattmeter assuming line B is the common.17) In a balanced three-phase Y-Y system, the source is an abc sequence of voltages and Vab = 476∠3° Vrms. The line impedance per phase is 0.7 + j1.3Ω , while the per-phase impedance of the load is 13 + j13Ω . Calculate the magnitude of the phase-c line current (in Arms).A balanced three phase wye-delta system, the source has abc sequence and Van = 124 40 V rms. If the line impedance is 0,5 +j0.4 G and load impedance is 24 +18 G. Calculate the delta load currents and the real (P) and reactive (Q) powers at each phase of the load. ..
- In a balanced three-phase wye–delta system, the source hasan abc-phase sequence and Van = 120angle 0° V rms. If the lineimpedance is zero and the line current IaA = 5 angle 20° A rms,find the load impedance per phase in the delta.A three phase Y‐connected balanced load having phase impedance of 40 + j30, The neutral is grounded through a 10 resistor. Find the sequence impedance matrix. Using symmetrical components, determine the phase currents when connected to unbalanced supply of voltages Va=380∠0 ̊V, Vb=280∠‐140 ̊ V and Vc=160∠90 ̊ V.1. A 69-kV, three-phase short transmission line is 16 km long. The line has a per phase series impedance of 0.125+j0.4375 Ω per km. Determine the sending end voltage, voltage regulation, the sending end power, and the transmission efficiency when the line delivers (a) 70 MVA, 0.8 lagging power factor at 64 kV. (b) 120 MW, unity power factor at 64 kV. Use lineperf program to verify your results. 2. A three-phase, 765-kV, 60-Hz transposed line is composed of four ACSR, l,431,000-cmil, 45/7 Bobolink conductors per phase with flat horizontal spacing of 14 m. The conductors have a diameter of 3.625 cm and a GMR of 1.439 cm. The bundle spacing is 45 cm. The line is 400 km long, and for the purpose of this problem, a lossless line is assumed. (a) Determine the transmission line surge impedance Zc, phase constant ß, Wavelength, the surge impedance loading SIL, and the ABCD constant. b) The line delivers 2000 MVA at 0.8 lagging power factor at 735 kV. Determine the sending end quantities and…