The input to a 11-kv, 30, y-connected SYnchronous mator is 60a The effective vesistance Ond 6ynchranous reactance per phase are 1w and 30w vespectively Find (a) power supplied to the motar and (b) the induced emf. For a pf. Of 0.8 leading

The input to a 11-kv, 30, y-connected SYnchronous mator is 60a The effective vesistance Ond 6ynchranous reactance per phase are 1w and 30w vespectively Find (a) power supplied to the motar and (b) the induced emf. For a pf. Of 0.8 leading

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.45P

See similar textbooks

Related questions

Q: A cylinder whose radius is 2cm and altitude of 100cm is uniformly wound with 2500 turns of wires in ...

A: The solution is given below

Q: 6- A single phase concentric cable 2 km long has two dielectrics, each 5 mm thick. The relative perm...

Q: 1. Which of the following systems is NOT time-invaria a. y(t) = ¤(t) + z(t – 1) b. y(t) = 1(t)x(t – ...

A: For time invariant input shift must be equal to output shift

Q: three phase converter has a rating of 600 kW when operating at unity power factor. Neglecting any ch...

A: We need to find out rating for the given power factor .

Q: 9. An LTI systen has input a[n] = 8[n- 2] which gives the output y[n] = u[n 3]. The impulse response...

Q: Mention any two differences between E - MOSFET and JFET and D- MOSFET(mode of operation, type of cha...

A: to list a difference between E mosfet, D mosfet and JFET

Q: mplify the following expression jw+2 w2 + a. none of these ъ. zero c. -j +1 d. j+1 (+1)8(w- 1)

Q: . The only exception to the need for all information technology equipment to be satisfactorily groun...

A: Equipment grounding is mainly done for user protection.it is a non-current carrying element. A. In d...

Q: I, = 2 A Z 0° %3D IR YT 20 XL 50 E ll +

A: We need to find out admittance and current and power factor for given circuit

Q: electric power system

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

Q: 81002. 6702

A: For DC supply, capacitor behaves like open circuit and inductor behaves like short circuit.

Q: Given : alternator with maximum air-gap flux density of 7,400 gauss; pole pitch = 6.25 in ; axial le...

Q: 1. Alternating current systems of less than _______ volts are required to be grounded if they're ins...

A: Alternating current systems of less than _______ volts are required to be grounded if they're instal...

Q: A factory is supplied by a three phase, 3 wire system with the following characteristics: Vab= 230...

Q: 1. The only exception to the need for all information technology equipment to be satisfactorily grou...

A: Note: We are authorized to answer the first question since the exact one wasn’t specified. Please su...

Q: voltage v(t) = 141.4 sin (314t+ 10°) is applied to a circuit and a steady current given by i(t)=14.4...

Q: 1. Find the relation between an electric vehicle's maximum speed and 0-100km/h accelerati versus its...

A: EMF=PφNZ/60A P=Number of pole φ=flux(Weber) N=speed(in RPM) Z=number of conductor A=Number of the pa...

Q: B- For the potentiometer in the below network: 80 0 Pot. I K Va 1-What are the voltages Vab and Vbc ...

A: We need to find voltage and power with load and without load condition

Q: Transducer A has a resolution of 0.001 V/0F, transducer B has a resolution of 0.2 V/0F, and transduc...

A: The solution is given below

Q: -5V 47K 20K V3

Q: 15.Calculate the DAC output of 010000 by R-2R ladder network method, and circuit analysis. Assume th...

A: In this question, We need to determine the DAC output of 010000 by R-2R ladder network method. I...

Q: You have the transient response of a closed-loop system as shown in the figure, the entry being a un...

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

Q: A circuit takes a current of 3 A at a power factor of 0.6 lagging when connected to a 115 V, 50 Hz s...

Q: 47 V 2 k 3 kl A- For the shown network determine the voltages: (1 a) Va, Vb, b) Vc, Vd, c) Vab, Vdc,...

A: In this question, We need to find the voltage as per given question? We know using the ohms law vo...

Q: Sketch the voltage across RL of the given circuit assuming that the diode is silicon. Indicate the m...

A: The given circuit is a positive biased clipper. During the positive input the wave will be clipped a...

Q: Find the power in the 10 A source. Find the power dissipated by 20-ohm resistor. Find the po...

A: The given circuit diagram is shown below:

Q: 1. Thevenin equivalent circuit. 3iz • a iz 24V ( + )4A b Figure 1: a. Find VTH. b. Find RtH.

A: Given, We have a network, we have to find Vth , Rth. Please find the below attachments for the clear...

Q: jw 25. Which of the following is orthogonal to z(t)rect(t)? Y a. -rect(t) b. rect(t) est No. 4 -rect...

Q: 6 kn 12 V 5 V 3 kn

Q: 1. Draw Bode Plot for given transfer function by means of HAND. 10 G(s) s(s + 1)

A: Bode plot: This is the graph between the magnitude of the transfer function and frequency w.

Q: Phasor A: magnitude 10, angle 45° Phasor B: magnitude 10, angle -45°

Q: A 540 V, 50 Hz, 3-phase circuit takes 47 A at a lagging power factor of 0.87. A synchronous motor is...

A: In this question, Find the Volt-ampere rating of the synchronous motor. If it's supplied the power...

Q: The load on a 250 V supply system is: 12 A at 0.8 power factor lagging; 10 A at 0.5 power factor lag...

Q: plem 1 By applying the different laws and identities in Boolean algebra, determine the minterm expan...

Q: 1. Find the AC resistance in ohms per km of a ¾" diameter conductor made of 97.3% conductivity, hard...

A: It is given that: d=34 in=2.54×34conductivity=97.3%f=60HzT=75°CAssuming,l=100cm

Q: Explain how Zincblende structure is different than Face Centered Cubic Structure.

Q: 6 kn 12 V Si 3 kn

Q: Calculate the line and phase current drawn by the load

Q: 15. Consider the signal r(t) = 3 cos(2nt-/4). Determine the fundamental period of the signal y(t) 4r...

A: In this question, Choose the correct option What is fundamental time period We know time period T= ...

Q: armature and shunt field resistance of a 50-kW, 220 V shunt generator is 0.026 ohm and 52 ohms respe...

Q: Given a pure SINE phasor of magnitude 10 and a pure COSINE phasor of magnitude 10, the resultant ang...

Q: -1 1

A: A: In case of time expansion or time compression value on the x-axis that is the value of time get a...

Q: 1. Thevenin equivalent circuit. а D44 24V (+ Figure 1: a. Find VTH. b. Find Rth •

Q: If D = 2ρ Cos (Φ) aΦ C/m2 find the divergence of D at Q(10, -53.130, -1).

A: In this question, If D = 2ρ Cos (Φ) aΦ C/m2 find the divergence of D at Q(10, -53.130, -1).

Q: 24. The Fourier transform of u(21) is 1 C) Tő(w) + a. jw b. 2nd(w)+ jw C. none of these d. ro(w) + j...

Q: Q3 For each off the signals giver below, State wheter the signal is periodi? or not, and if perbdiz,...

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part ...

Q: Induction type instruments are used to measure A8 a) AC only b) DC only c) AC and DC d) Voltage only...

A: Induction type instruments are used to measure AC quantities only.

Q: Question 7: If u[n] is the DT unit step function. u[n] + u[-n] is equal to A: 1 B: 1+8[n] C: none of...

Q: Find out the Laplace transform of the shifted unit step function. Apply properties of Laplace transf...

A: In this case, the Laplace transform of the shifted unit step function is to be obtained.

Q: Define three phase, three wire system in a maximum of five sentences.

A: Three phase three wire system: This type of distribution system is used for feeding balanced three p...

Concept explainers

Code Conversion

The method or technique used to convert code from one format to another is termed code conversion. Code conversions are most commonly used in computers, digital electronics, microprocessors, etc.

Question

DEGREE: ELECTRICAL ENGINEERING
SUBJECT/COURSE: AC MACHINES

NOTE: Please solve in this way.
1. Please have a good handwriting, some of the answers are not readable. Thank you!
2. GIVEN. (Include symbols and units)
3. REQUIRED/FIND/MISSING (with symbol/s and units)
4. ILLUSTRATIONS such as diagrams and graphs are Required
5. Step-by-step SOLUTION with Formulas and Symbols. No Shortcut, no skipping, and detailed as possible
6. FINAL ANSWERS must be rounded up to three decimal places with the corresponding units and must be enclosed in a rectangle.

The input to a 11-kv, 34, y-connected
6Ynchronous motor is 60a The effective vesistance
and smchronous reactance per phaGe are 1w and
30w vespectively Find (a) power sUpplied to the
motor and (b) the induced emf. For a pf. Of 0.8
leading

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 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Arithmetic Operation and Code Conversion in Number System

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

An industrial plant consisting primarily of induction motor loads absorbs 500 kW at 0.6 power factor lagging. (a) Compute the required kVA rating of a shunt capacitor to improve the power factor to 0.9 lagging. (b) Calculate the resulting power factor if a synchronous motor rated at 500 hp with 90 efficiency operating at rated load and at unity power factor is added to the plant instead of the capacitor. Assume constant voltage (1hp=0.746kW).
a 3-phase, 220-v, 50-hz, 1500 r.p.m., mesh-connected synchronous motor has a synchronous impedance of 4 ohm per phase. it receives an input line current of 30a at a leading power factor of 0.8. find the line value of the induced e.m.f. and the load angle expressed in mechanical degrees. if the mechanical load is thrown off without change of excitation, determine the magnitude of the current under the new conditions. neglect losses.
The synchronous reactance of the direct-axis and quadrature-axis of a three-phase,40-pole, 50 Hz, 13,8 kV, salient-pole synchronous generator is 2,38 Ω and 1,33 Ωrespectively. The resistance of the star-connected stator is negligible. The load angle ofthe machine is 30°e and the excitation is set to induce an emf of 167%. Sketch the phasordiagram and calculate:(a) current(b) power(c) reluctance torque(d) the maximum load angle(e) the maximum power developed
A 2-pole, 50 Hz, 11 kV synchronous generator with a rating of 120 MW and 0.87 lagging power factor has a moment of inertia of 12,000 kg- . Calculate the constants H and M A 4-pole synchronous generator supplies over a short line a load of 60 MW to a load bus. If the maximum steady state capacity of the transmission line is 110 MW, determine the maximum sudden increase in the load that can be tolerated by the system without losing stability
A 4400V, 3-ph, Y- connected synchronous motor has an effective resistance and synchronous reactance of 3Ω and 19Ω per phase respectively. If the open–circuit generated emf is 4800V between lines, calculate The current .........amper *P.F at Maximum mechanical powerTotal Cu losses.........watt *Input power to motor
Three-phase 60Hz, 8-Pole 460v, star-connected, 100kW asynchronous motor has single-phase equivalent circuit parameters in the picture. a) Find the Thevenin equivalent circuit and its parameters. b)Find development torque, maximum torque. find
QI: The parameters of a 4 kW, 220V. 2-phase induction motor, in ohms per phase, are: r1=0.53, x1 =2.4, XM= 70, r2 = 0.96, x2 = 3.0. The motor is operated from unbalanced 2- phase source whose voltages are 230V and 210V, the smaller voltage is lagging the larger by 800. For a slip of 5% and rotational losses of 30 W, find the positive- and negative- sequence components of: (a) the applied voltages. (b) Find the values of phase currents (c) the input current. (d) Find the developed mechanical power. (e) Find the efficiency.
An AC Asynchronous motor has the following parameters; Connected voltage,UN=400V Frequency,f=50hZ Nominal PowerPN=1kW, Breakdown Slip,SBD=0.289 Rotational speed (at nominal),nN=1410min-1 Number of poles=2 Nominal Efficiency ,դ=0.84 Calculate I)Calculate the Apparent Power of Nominal Operation,SL1,N1 II)Calculate the Reactive Power of Nominal Operation per single phase,QL1,N1 III)Calculate the Capacitance of CN1 which has to be connected parallel to the single Phase full power factor at nominal operation
There are three commonly used excitation modes for stepper motors: full step, half step and microstepping.Illustrate micro-stepping with the help of a neat diagram by modulating phase supplyvoltage for a generic stepper motor with 4 and 6 poles respectively in its stator and rotor.
A long shunt generator delivers 25kW at 220V. The shunt, series and armature resistances are 50ohms, 0.02ohms, and 0.05ohms respectively, calculate the generated emf.
A short shunt compound generator supplies a load of 10 kW at 200 V through a pair of feeder and series field resistance 0.10 ohm. Armature resistance, shunt field resistance and series field resistance are 0.01 ohm, 52.2 ohms and 0.10 ohm, respectively. If the core friction and windage losses amount to 631 watts, the BHP of the driving engine is nearest to
3) The conversion ratio of an asynchronous motor with 415 V, 3-phase, 60Hz, 6-pole, Y-connected rotor winding is a = N1 / N2 = 1.5,Parameter values per phase transferred to the stator are given below. a) For the case where slip s = 0.05, calculate the stator current, the torque generated in the motor, with the rotor circuit voltageCalculate the frequency.b) Subtract the Thevenin equivalent.c) The rotor stays stuck while the motor is running under load. Find the rotor current reflected to the stator at this instant.d) Find the maximum torque the motor can produce.e) It is required that the engine initially develops with maximum torque. For this, externalFind the value of the resistance transferred to the stator