A 3-phase, 11-kVA, 10-MW, Y-connected synchronous generator has synchro- nous impedance of (0.8+ j 8.0) ohm per phase. If the excitation is such that the open circuit voltage is 14 kV, determine (i) the maximum output of the generator (ii) the current and p.f. at the maximum output.

A 3-phase, 11-kVA, 10-MW, Y-connected synchronous generator has synchro- nous impedance of (0.8+ j 8.0) ohm per phase. If the excitation is such that the open circuit voltage is 14 kV, determine (i) the maximum output of the generator (ii) the current and p.f. at the maximum output.

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

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.24P: For Problem 3.18, the motor operates at full load, at 0.8 power factor leading, and at a terminal...

See similar textbooks

Related questions

Q: 3. Repeat Problem 1, but this time both resistors R₁ and R₂ are implemented using the three…

Q: The armature of a d.c. machine has a resistance of 0.25 ohm and is connected to a 300V supply.…

A: As per the question, it is given that Resistance = 0.25 ohm Voltage = 300 V We have to calculate the…

Q: How many mebibytes are there in a gibibyte? O 512 O 1024 O 256 O 2048

A: The quantity of memory that may be used by an electronic device, such as a smartphone, laptop,…

Q: The common-emitter gain of a BJT operating as a voltage-controlled current source is ß = 450. If the…

A: Given data, Current gain, β=450. Collector current ic=1 mA.

Q: I ii. iii. 10.2 mA /0° R₂ = ∞ R₁ Design the network in the figure to have the following…

A: Given: BW=500HzQp=30VCmax=1.8V (at resonance)

Q: A three-phase induction motor is supplied from a 50 Hz supply and runs at 1200 rev/min when the slip…

Q: Using voltage divider for the below circuit Find v₂ ? U₁ 10 V + 01 R₁ 8 ΚΩ O R₂ 2 ΚΩ +51

A: In this question, We need to calculate the voltage across the resistance R2 using the voltage…

Q: A pure element is connected across an AC signal. CH1 and CH2 measures the voltage and current…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Q4: Three identical coils connected in wye connection take 8 kW at 0.8 power factor when connected…

A: 8

Q: Up-down counter counts as (0. 2, 3, 6, 4, 0, ...).

A: Up-down counter counts as (0, 2, 3, 6, 4, 0 ......) Let us design this counter using D flipflops.…

Q: Find inverse Laplace transform of the function F(S) =+ +9

A: Given: Function, F(s)=8s3+15s2+9

Q: Discrete Signals and Discrete Time systems x[n1] = (values) 9 any random integer values from -10 to…

Q: The current i(t) through a 10 2 resistor in series with an inductance is given by: i(t) = 3+4 sin…

A: Given, Current, it=3+4 sin100t+45°+4 sin300t+60° A. Resistance, R=10 Ω.

Q: What is the effect in the overall capacitance, stored charge and energy of a network of identical…

Q: O - side. 10au. copper loss is not anocit by way and the 12) Shunt field winding have a large number…

A: Since you have asked multiple questions in a single request, we will be answering only the 1st…

Q: Determine and sketch the output waveform in the following circuit below. HH 1uF +8V -8V t Si 5V www…

A: Given: Clamper circuit and square input waveform. To find: to determine the output and sketch the…

Q: Calculate the kVA output of a single phase transformer from the following data. Core height Distance…

A: Distance between core centres D = 40 cm = 400 mm It is given that, Hw= 2.8 Hw= 2.8 x D Height of…

Q: A capacitor having a Q-factor of 300 is connected in parallel with a coil having a Q-factor of 60.…

Q: 9v I1 = 20mA 3.3v R1 =? 2.2v 12 =? www. R2 = 100ohms 1.7v 13 = 100mA R3 =?

Q: The registers that are necessary in the operations of memory data write and read (which of the…

Q: 1. Calculate the synchronous speed of 60-Hz induction motors having four poles 2. Calculate the…

A: (1) Given: Frequency, f = 60 Hz. Number of poles, P = 4

Q: Determine the value of the Current 13. +1 12 V + - ww 892 O A. 0.44 Amps OB. 1.05 Amps O C. 0.15…

Q: Find inverse Laplace transform of the function F(S) ==+

A: Given : F(s)=8s3+15s2+9

Q: A coil of inductance 120 mH and resistance 150 ohm is connected in parallel with a variable…

Q: 8. What is the value of the output voltage of the following Op Amp Circui 20 kQ2 www 2V + 5ΚΩ www a…

A: Given circuit, Rf=20 kΩ.Rin=5 kΩ.Vin=2 V.

Q: Differentiate AM DSBFC, DSBSC, and SSBSC in terms of the power distribution and bandwidth. What are…

Q: A 100 µF capacitor is connected across a 240 V, 60 Hz source. Determine: the capacitive reactance,…

A: Given: C=100 μF, Vrms=240 V and f=60 Hz. Required: 1. Capacitive reactance, in ohms. 2. The current…

Q: hib = 9.45 (2 -0.997 hob=0.5 μA/V h=1×10-4 0.6 k 5 µF Z 1.2 km) 4 V 2.2 km2 14 V HH 5 µF fun

Q: 4. Determine 1₁ and 1₂ using current division. 52 MAPUS UNIVERSITY I₁ W 1552 ution 12 40A ↑ L!!! M…

A: We need to find out current for given circuit

Q: 6. Determine the current through the 75-22 resistor. E 20 V R1 www 4002 11 R3 20002 R2 www 100Ω 1.5…

Q: Let a magnetic field be given in the vacuum of the form B= a(3x, 2y, 0) with respect to a Cartesian…

Q: Write the Boolean expression for the shown below logic circuit? Ao Во- Do Å Å -Oy

Q: A battery can deliver 15 joules of energy to move 9.4 coulombs of charge. What is the potential…

A: Given: Energy delivered by battery, E=15 J. Charge, Q=9.4 C.

Q: Draw a voltage divider circuit with an AC sinusoidal voltage source Vac. Amplitude is 10V, Frequency…

Q: equivalent resista O. A 12-ohm resistor is connected in parallel with a series combination of 8 ohms…

Q: ZI 120 mH 0000 w *60 Ω 10 μF The equivalent impedance for w=2000 rad/s will approximately be equal…

A: Given circuit, Resistance, R=60 Ω. Inductance, L=120 mH. Capacitance, C=10 μF. Angular frequency,…

Q: Exercise VI A Circuit has in series an EMF given by E(t) = 100 sin(200t)V, a resistor of 400, an…

Q: 15. The field winding of d.c. motor connected across 230-V supply takes 1.15 A at room temp. of…

Q: Three capacitors have ratings of 20 µF, 60 µF, and 30 µF, respectively. These capacitors are…

Q: V Μ 8 Ω 24V ( 32 Ω Μ 8 Ω V 16 Ω ww (α) 32 Ω. 48 Ω + ע 24 Ω . R

Q: 1.1 uniform doping sides of the 1.1.1 1.1.2 An ideal one-sided n'p junction has a 1.1.3 abrupt…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: a) Find the equivalent resistance. b) Find the current supplied by the battery V = 24 V R₁ = 10 R₂ =…

A: Given, The circuit is,

Q: wwwA www w Using Kirchoff's current law, calculate the unknown currents in the above circuit.

Q: A separately-excited generator develops a no-load e.m.f. of 150V at an armature speed of 20 rev/s…

Q: Determine I2

A: In this question , We need to calculate the current I2 in the Si diode as shown the circuit.…

Q: An alternating voltage of 220V, 50 Hz is applied to a coil of negligible resistance and inductance…

Q: 20 V Μ Μ ΖΩ ΤΩ ΑΛΕ ΖΑ 12 ΒΩ 4Ω In the circuit above, mesh current i, is:

A: Given circuit,

Q: Please do the last question. Stated construct a graph of time versus current and voltage across the…

A: The series RC circuit can be analyzed based on the transient and steady-state values. The given…

Q: A soldering iron is rated at 50 watts when connected to a 250 V supply. If the soldering iron takes…

A: We have an soldering iron having, Power (P) = 50 W Supply voltage (V) = 250 V Time taken = 5 minutes…

Q: Neglecting losses, at what horse power rate could energy be obtained from Bhakra dam which has an…

Question

I want answer as fast you can provide

A 3-phase, 11-kVA, 10-MW, Y-connected synchronous generator has synchro-
nous impedance of (0.8+ j 8.0) ohm per phase. If the excitation is such that the open circuit
voltage is 14 kV, determine (i) the maximum output of the generator (ii) the current and p.f. at the
maximum output.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

For Problem 3.18, the motor operates at full load, at 0.8 power factor leading, and at a terminal voltage of 10.45 kV. Determine (a) the voltage at bus 1, which is the generator bus, and (b) the generator and motor internal EMFs.
Consider a three-phase generator rated 300MVA,23kV, supplying a system load of 240 MA and 0.9 power factor lagging at 230 kV through a 330MVA,23/230Y-kV step-up transformer with a leakage reactance of 0.11 per unit. (a) Neglecting the exciting current and choosing base values at the load of 100 MVL and 230 kV. Find the phasor currents IA,IB, and IC supplied to the load in per unit. (b) By choosing the load terminal voltage IA as reference, specify the proper base for the generator circuit and determine the generator voltage V as well as the phasor currents IA,IB, and IC, from the generator. (Note: Take into account the phase shift of the transformer.) (C) Find the generator terminal voltage in kV and the real power supplied by the generator in MW. (d) By omitting the transformer phase shift altogether, check to see whether you get the same magnitude of generator terminal voltage and real power delivered by the generator.
The magnitude of the no-load, line-neutral voltage induced on the ‘a’-phase stator windings of a synchronous 3 phase generator is |Ea | = 480 V. Presume the stator winding resistance is negligible, and that the synchronous reactance is Xs = 1.1 Ω. The full-load, per-phase current magnitude for the generator is 30 A at a power factor of 0.8 leading . For these conditions: a. What is the line-neutral ‘a’-phase terminal voltage, Vథ? b. What is the power angle (?)? c. What is the percent voltage regulation? d. What is the total 3 PHASE complex, real, and reactive power delivered to the load?
a) 3-phase star-connected synchronous generator supplies a current of 10A having phase angle of 20° lagging 400V (phase voltage). Given the direct and quadrature axis reactances as 10ohms and 6.5ohms respectively and neglecting armature resistance, Find: 1. The load angle 2 The direct and quadrature components of armature currents 3. Voltage regulation
a) With the aid of a diagram and phasor diagram, explain the double-reactance concept for salient-pole alternators. b) 3-phase star-connected synchronous generator supplies a current of 10A having phase angle of 20° lagging 400V (phase voltage). Given the direct and quadrature axis reactances as 10ohms and 6.5ohms respectively and neglecting armature resistance, Find: 1. The load angle 2 The direct and quadrature components of armature currents 3. Voltage regulation
a single-phase, 10-kVA, 200-V, generator has an internal impedance Z, of 2 Q. Using the ratings of the generator as base values, determine the generated per-unit voltage that is required to produce full-load current under the short-circuit condition.
A 100KVA, 6.6 kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as synchronous reactance and the armature resistance is negligible and the generator is working at the full load and unity power factor then find the value of the induced emf voltage(line to line). Answer fast
A 100KVA, 6.6 kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as synchronous reactance and the armature resistance is negligible and the generator is working at the full load and unity power factor then find the value of the induced emf voltage(line to line).
In a long-shunt compound generator, the terminal voltage is 220 Vwhen generator delivers 110 A. Determine (a) induced emf and (b)total power generated. Given that shunt field, series field,diverter and armature resistances are 90 Ω, 0.025 Ω, 0.04 Ω and0.03 Ω respectively.
The magnitude of the no-load, line-neutral voltage induced on the ‘a’-phase stator windings of a synchronous 3? generator is |?a | = 480 V. Presume the stator winding resistance is negligible, and that the synchronous reactance is ?௦ = 1.1 Ω. The full-load, per-phase current magnitude for the generator is 30 A at a power factor of 0.8 leading . For these conditions: a. What is the line-neutral ‘a’-phase terminal voltage, ?థ? b. What is the power angle (?)? c. What is the percent voltage regulation? d. What is the total 3? complex, real, and reactive power delivered to the load?
A three-phase, 100-MVA, 20-kV generator is connected to a three-phase, 100-MVA, 20-kV motor through a transmission line. The reactances of the generator and motor are 0.25 and 0.20 per unit, respectively. The line reactance is 0.10 per unit. The motor is taking 50 [MW] at 0.8 power factor leading at rated voltage. Suppose a three-phase short circuit occurs at the generator terminals, determine the transient currents in the generator and motor as well as the short-circuit current.