+田←QUESTION 4The synchronous generator in Figure 2 delivers 0.8 per-unit real power at 1.05 per unitterminal voltage. Determine:(a) the reactive power output of the generator (5)G XTR = 0.10380X₁₁ = 0.30B1112B12B21X12 = 0.203Vous = 1.0822X13 = 0.10X23 = 0.20813Figure 23еI UNOOTextFill & Sign More toolsComment Highlight Draw|||<

Let E∠δ be the terminal voltage of the synchronous generator and V∠0∘ be the voltage at the infinite…

Answered: + 田 ← QUESTION 4 The synchronous…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter11: Transient Stability

Section: Chapter Questions

Problem 11.8P

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3 X 0.1 1 2 XL = 0.2 to Eato oto O X = 0.1 X = 0.1 Above is the one-line diagram of a simple power system. Each generator is represented by an emf behind the subtransient reactance. All impedances are expressed in per unit on a common base. All resistances and shunt capacitance are neglected. The generators are operating on no load at their rated voltage with their emfs in phase. A symmetrical fault occurs at bus 1 through a fault impedance Z, =j0.08 per unit. a) Using Thevenin's Theorem, determine the impedance to the point of fault and the fault current in per unit. (2 Marks) b) Find the bus voltages and line currents during the fault. (2 Marks)
In a synchronous generator * the OC voltage leads the terminal voltage by an angle known as power factor angle the OC voltage lags the terminal voltage by an angle known as power factor angle the OC voltage leads the terminal voltage by an angle known as power angle the open-circuit voltage (OC) lags the terminal voltage by an angle known as power angle
a syn A: A sylienfonotus generator of 100 MVA, 22 kV, and 0.25 pu transient reactance supplies a motor of 50 MVA, 22 kV, and 0.2 pu transient reactance. The motor is drawing 40 MW at 0.8 power factor leading and terminal voltage of 21.9 kV. The line connecting them has a reactance of 0.05 pu on a base of 100 MVA. Find the transient currents in the generator, the motor, and the fault when a 3-ph fault occurs at the motor terminals. Take SB = 100 MVA, VB = 22 kV, and use the internal voltages %3D %3D of the machines method.
X₂=0.1 1 XL +03 Soto X₁ = 0.2 X = 0.1 X = 0.1 Above is the one-line diagram of a simple power system. Each generator is represented by an emf behind the subtransient reactance. All impedances are expressed in per unit on a common base. All resistances and shunt capacitance are neglected. The generators are operating on no load at their rated voltage with their emfs in phase. A symmetrical fault occurs at bus 1 through a fault impedance Z, =j0.08 per unit. a) Using Thevenin's Theorem, determine the impedance to the point of fault and the fault current in per unit. b) Find the bus voltages and line currents during the fault. 2 O oto
A 3-phase, 16 pole alternator has a star connected winding with 144 slot and 10 conductor per slot. The flux per pole is 30 mWb sinusoidally distributed and the speed is 375 rpm. The frequency of generated emf is? Also find, the line emf is?
Instantaneous power output of a 3-phase 60 Hz generator will not be constant under following condition: O A. The load is unbalanced. O B. The load draws both real and reactive power. O C. The load draws only reactive power. D. None of the other choices O E. The load draws only real power.
Find the rms value of the induced emf per phase of a 10 pole, three phase, 50 Hz alternator with 2 slots per pole per phase and 4 conductors per slot in two layers. The coil span is 150°. The flux per pole is 0.12 Wb (a) 994 (c) 1020 53. (b) 864 (d) 960
A generating station has the following daily load cycle: [10] Time 0-6 6-10 10-12 12-16 16-20 20-24 (Hours) Load 40 50 60 50 70 40 (MW) Draw the load curve and find (i) maximum demand (ii) units generated per day (iii) average load and (iv) load factor.
A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and L=40mH. (a) Determine the power factor of the circuit and state whether it is lagging or leading. (b) Determine the real and reactive power absorbed by the load. (c) Calculate the peak magnetic energy Wint stored in the inductor by using the expression Wint=L(Irms)2 and check whether the reactive power Q=Wint is satisfied. (Note: The instantaneous magnetic energy storage fluctuates between zero and the peak energy. This energy must be sent twice each cycle to the load from the source by means of reactive power flows.)
solve make a solution
If the load is connected to the generator thgrough an inductive line and the voltage at the load side is the same as the voltage at the terminals of the generator, which of the following must be true? O A. The reactive power is flowing from the generator to the load and from load to the generator at the same time. O B. The load is disconnected, and no power is delivered to the load. O C. The load has a poor power factor and it's absorbing too much reactive power. O D. None of the other choices are correct O E. The generator is unable to produce reactive power; therefore, the reactive power is flowing from the load to the generator.
Solve it fast plz

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