An abc-phase-sequence three-phase balanced wye-čo connected load. The impedance per phase of the delta load is 10+j8 2. If the line impedance is 0.8 + j0.5 2 and the line current in a-phase is known to be lan = 35/-50° Arms. Find: (a) the line voltage at the source; (b) the load voltage; (c) power supplied by each source.
Q: 5. An ABC sequence set of voltages feeds 'a balanced three-phase, wye-wye system. The line and the…
A: Given Data: Zline = (1 + j1) ohm Zload = (10 + j10) ohm Van = 110 angle 30 rms
Q: For a balanced three-phase Y-Δ system - Line voltage: 240V - total apparent power supplied: 4800…
A:
Q: Fig. shows a balanced three-phase delta-connected load having per phase impedance of 10 +j 15 2. The…
A:
Q: The figure displays a three-phase delta-connected motor load which is connected to a line voltage of…
A: Dear student as per our guidelines we are supposed to solve only one question in which it should be…
Q: O: In a three-phase balanced wye-wye system, the source is an abc-sequence set of voltages with…
A: The circuit this is excited the use of alternating supply is referred to as an AC Circuit. The…
Q: 3. Three-wye connected load impedances, z, = 30 + j40 Q. z, = 30 - j40 2 and z, 20 - j15 Q, are…
A: In the given question, source is balance and load is unbalanced. So this can be solve by applying…
Q: The phase voltage at the terminals of a balanced 3-phase Y-connected load is 2400 V. • The load…
A:
Q: In an abc-sequence balanced three-phase system a source is Y-connected and the line voltage Vab…
A: In this question we need to find a line current and phase current of the given 3 phase system.
Q: unbalanced, three-phase, delta-connected load
A: NOTE- “Since you have posted a question with multiple sub-parts, we will solve first three subparts…
Q: A balanced A connected source is connected to a balanced A connected load with an abc sequence set…
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
Q: A balanced three phase 60Hz abc system feeds two A-connected loads in parallel. Load #1 draws 40KVA…
A: As per Bartleby guidelines we are allowed to answer only three subparts of a question, if you want…
Q: = 3. A balanced delta-connected load, with Z₁ 9.0 L 30° , and a balance wye-connected load with Zy =…
A: In this question, We need to determine the line currents, powers. We know Three phase Complex…
Q: Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of…
A: For a series RLC circuit Resistance = R, capacitive reactance = 1jωC and inductive reactance = jωL…
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: Two balanced loads are connected to a 240-kV rms 50-Hz line. Load 1 draws 30 kW at a power factor of…
A: Ans: a) Complex Power = 123.8 angle(43.86). Real power= 90 kw. Reactive Power = 85 kvar. b) Line…
Q: L A three-phase delto-connected load dof 15+j180per phase is supplied by an abc-sequence balanced…
A:
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: The Y-Y system of Fig below has a balanced load and a line impedance Z - at the generator is 16,000…
A: As per our policy i have attempted only three subpart. Given data: IAN=80 AEAB=16 kVZLine=4 Ω+j20 Ω…
Q: A three-phase delta connected source is connected to a three-phase delta connected load through…
A:
Q: H.W. A three-phase wye-connected load is supplied by an abc-sequence balanced three- phase…
A: The solution is given below
Q: A single-phase load is supplied through a feeder whose impedance is 95 + j360 N and a 35- kV/2400-V…
A: Given: Refer all quantities to HV side.
Q: A balanced three phase 60HZ abc system feeds two A-connected loads in parallel. Load #1 draws 40KVA…
A: Given parameters are f=60 Hz for delta connection VL =VphIL =3 Iph
Q: Q3) A 3-phase transmission line has an impedance of 0.5 + j2 Q/phase, Which supplies a A-connected…
A: The 3-phase AC circuits has line voltage and phase voltage. For star connection, Vphase=Vline3. The…
Q: A three-phase line feeds two balanced three-phase loads connected in parallel. The first Y load…
A:
Q: A three-phase delta-connected load of 15+ jl8 Q per phase is supplied by an abc-sequence balanced…
A:
Q: 11.56 In a balanced three-phase system, the source has an abc-phase sequence and is connected in…
A: Delta current: There are three windings. If the tail is connected to the head of the other winding…
Q: H.W. A three-phase wye-connected load is supplied by an abc-sequence balanced three- phase…
A: Transmission Lines are used to carry the Power from generation end to distribution end. For a…
Q: Quiz#3 A positive-sequence balanced three-phase wye-connected source supplies power to a balanced…
A: In the circuit, Positive sequence balance circuit, per phase impedance Z= 36+12j Line to line…
Q: Q4. The magnitude of the phase voltage of an ideal balanced three-phase Y-connected source is 125 V.…
A:
Q: The total apparent power supplied in a balanced, three-phase Y-Δ system is 4800 VA. The line voltage…
A: the per phase apparent power, SP=ST3 =48003 =1600 VA Since connection is Y - delta…
Q: An average power of 25 kW is delivered to a balanced A-connected load with Z, =30+j45 Oiphase. Find…
A:
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 A-connected source of 1000 V is connected to a Y-connected load by means of a balanced three-phase…
A:
Q: The Y-connected load impedance Z₁ = 10/0° 2, Z=15/30° 2, and Ze = 10/-30° 2, shown below, are…
A: Load is unbalanced let Za=10 ∠0 Ω Zb=15 ∠ 30 Ω Zc=10 ∠-30 Ω
Q: 3. Two balanced three-phase loads that are connected in parallel are fed by a three-phase line…
A: It is given that: Xph=j2 ΩFor load 1:P1=100 KW=100×103 WQ1=50 KVAr=50×103 VArFor load 2:S2=100 KVA…
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: ea'anced three-phase sys:..n has a distribution wire witi impedance 2+ jó per phase. system supplies…
A: It is given that: Distributor wire impedance=2+j6 ΩFor Y connected-load:S1=400 KVAcosϕ1=0.8…
Q: Question NO: 2 The phase voltage at the terminals of a balanced three phase Y- connected load is…
A:
Q: The phase voltage at the terminals of a balanced three-phase Y-connected load is 240020° V. The load…
A: It is given that: VAN=2400∠0° VZL=16+j12 ΩϕZline=0.10+j0.80 ΩϕZinternal=0.02+j0.16 Ωϕ
Q: 2.42 A balanced A-connected impedance load with (12 + j9) N per phase is supplied by a balanced…
A: In this question, Delta balance supply is supplied to the balance Delta load. Impedance of the…
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: S.1) The serial impedance per phase of a three-phase 45 km energy transmission line is 2 + j4 /…
A: As per the policy attempting only first question, Given: Vs = VR = 115 Kv
Q: Q 2) The single-line diagram of a three-phase system is shown in Fig. 1. Using the common base Sp =…
A: This solution discusses about PU concept, PU single line diagram of a power system based on given…
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: A 3-phase 4-wire balanced power system with a positive sequence is supplied to a balanced 3-phase…
A:
Q: • Consider the three-phase Y-connected balanced power supply where the phasor line voltage Vab =…
A: In this question, Find the time domain in the each phase current, voltage and average power across…
Q: A three-phase balanced source voltages, operating with a 380 -V line voltage as shown in Fig. 1.…
A: Assumptions in Electrical circuits analysis Inductor absorb reactive power and considerd as…
Q: In a balanced abc sequential three-phase star-star connected system, the total power on the line is…
A: In a balanced abc sequential three-phase star-star connected system, the total power on the line is…
J:07)
Step by step
Solved in 4 steps with 4 images
- Exercise 1: A three-phase 3Φ transmission line has an impedance of 0.62+j35.06Ω/phase and supplies a three-phase load of 100MW with a power factor (fp) of 0.8 lagging at 200kV. Taking 100MVA and 215kV as a base, we ask: d-) Calculate the complex power consumed by the load in p.u;e-) Calculate the voltage at the emitter terminal in p.u;f-) Calculate the LT impedance taking 200MVA and 150kV as a new base. PLEASE, TYPE, HAND WRITING GETS UNDERSTANDING.Two balanced loads are connected to a 240-kV rms 50-Hz line. Load 1 draws 30 kW at a power factor of 0.6 lagging, while load 2 draws 45 kVAr at a power factor of 0.8 lagging. Assuming the RYB sequence, determine: (a) the complex, real, and reactive powers absorbed by the combined load, (b) the line currents, and (c) the kVAr rating of the three capacitors ∆-connected in parallel with the load that will raise the power factor to 0.9 lagging and the capacitance of each capacitor. Verify the results by creating a MATLAB Simulink model and program. Obtain the plots for the currents and voltagesEach leg of a symmetric, Y‐connected, 3Φ load has an impedance of 10∠36.87° Ω, and is connected to the 3Φ source from Problem 1 via an ideal transmission line (that is, the connection from the source to the load has zero impedance). a. Determine the line currents. That is, find Ia, Ib, and Ic. b. Determine the complex power consumed by each leg of the load. c. Determine the total complex power consumed by the entire 3Φ load. d. caclculate instantaneous power p(t) consumed by the load problem 1 : A 60 Hz, balanced, positive‐sequence, Y‐connected, 3Φ voltage source has Van = 120∠0° Vrms
- A 3-phase Y-connected load draws power from a 3-phase Y-connected source. The source voltage, ?=440∠0º?_rms and the load impedance, Z_y=(30+j15) Ω. The line impedance, Z_line= (1+j1)Ω and the system operates at 60 Hz. a) Draw the single-phase equivalent circuit and label all given quantities numerically. b) Calculatethe rms line (phase) current phasor in each phase. c) Calculate the total active or real power supplied by the source. d) Calculate the total active or real power consumed by the load. e) Calculate the total line loss i.e. the total activepower lost due to line. f) Determine the power efficiency of the system.In the circuit below, a generator is connected to a load via a transmission line. Given that Rs = 10 Ω, Zline= (4 + j2) Ω, and Zload = (40 + j30) Ω: (a) Determine the power factor of the load, the power factor of the transmission line, and the power factor of the voltage source. (hint: pf can be calculated using the equation below, and θv, θi, θz are the phase angles of the voltage, current and the load impedance, respectively) (b) Specify the capacitance of a shunt capacitor C that would raise the power factor of the source to unity when connected between terminals (a, b). The source frequency is 60 Hz. (hint: increasing the source pf to unity requires that Zab = Zc || (Zline + Zload) be purely real.)A three-phase line feeds two balanced three-phase loads connected in parallel. The first Y load consumes a total of 630,000 W at 0.6 power factor lagging. The second in Δ it has an impedance per phase of 46.08 – j 13.44 Ω. The line-to-line voltage at the end of the loads corresponds to 6920 Vrms, negative sequence. Find the total line current and power total complex absorbed by the two-charge system.
- A balanced Δ connected load with impedance 63 + j216 Ω/Ø 50∠0 ° Ω/Ø It is connected in parallel to a balanced Y-connected load with impedance. Parallel loads have an impedance of 1 + j3 Ω/Ø fed from one line. Y the magnitude of the connected load from line to neutral is 750 V a) Calculate the magnitude of the current in the line feeding the loads? b) Calculate the magnitude of the phase voltage at the sending end of the line? c) Find the total apparent, average and reactive powers provided by the sources?.An abc-phase-sequence three-phase balanced wye-connected source supplies a balanced delta-connected load. The impedance per phase of the delta load is 24+j6 Ω. If Vab=115/∠20° V rms, Find the phase current Iab and the line current Ia.A 4200-V, three-phase transmission line has an impedance of 4+j ohms per phase. If it supplies a load of 1 MVA at 0.75 power factor, find: (a) the complex power (b) the power loss in the line (c) the voltage at the sending end. *Ans. S=0.75+j0.66 MVA, PL=25.14 kW and VS=4.492∠ − 1.912°kV Use four decimal places.
- Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of the load impedance Z = Z angleZ, find expressions for P and Q, from complex power considerations.(b) Express p(t) in terms of P and Q, by choosing i(t)= sqrt2*I* cos wt.(c) For the case of Z = R + jwL + 1 /jwC, interpret the result of part (b) in terms of P, QL, and QC. In particular, if w^2*LC=1, when the inductive and capacitive reactances cancel, comment on what happens.A single phase distributor 1 km long supplies a load of 100A at 0.8 p.f. lagging at its far end and a load of 200A at unity p.f. at its mid-point. Both power factors are referred to the voltage at the far end. The resistance and reactance per km (go and return) are 0.1 Ω and 0.2Ω respectively. If the voltage at the far end is maintained at 200V, calculate feeder current, voltage at the sending end . Also find phase angle between voltages at mid-point and sending end.1.A high-voltage generator is connected to a 3-phase wye connected load through a transmission line. Each phase of the line has impedance Zl, and the load is a balanced wye with branch impedance Z. Line to line voltage, |Vab| = 45kV, Zl = (0.5 + j3) Ω, Z = (4.5 + j9) Ω. Find the line currents, power consumed by the load and line losses. Draw the phasor diagram.