There are 160 double wound slots in a 3-phase, 50 Hz., 600 rpm, star connected alternator. Coil span is 15 slots and there are 3 turns per coil. Flux per pole is 0.1120 WB. Calculate (1) emf per conductor (2) emf per coil.

There are 160 double wound slots in a 3-phase, 50 Hz., 600 rpm, star connected alternator. Coil span is 15 slots and there are 3 turns per coil. Flux per pole is 0.1120 WB. Calculate (1) emf per conductor (2) emf per coil.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter31: Three-phase Alternators

Section: Chapter Questions

Problem 1RQ: What conditions must be met before two alternators can be paralleled together?

See similar textbooks

Related questions

Q: Question 1 Is O 1200W Is= 25 A Power absorbed by R₂ will be: O 7500W R₁ O None of the above O 300W…

A: Given circuit, And the parameters are, Is=25 A,R1=3 Ω,R2=12 Ω .

Q: 7. A point charge of 0.25 microcoulomb is located at r=0, and uniform surface charge densities are…

A: As per BARTLEBY GUIDELINES, For Multiple Questions, we have to answer only first question. So I…

Q: A crystal diode has O O O O O one pn junction O two pn junction O three pn junction O none of the…

A: We need to select correct option for crystal diode .

Q: Let R = 20 S2, L = 63 mH, and vs(t) = 90 cos(2760t+30°) V in the circuit shown in Figure 9.23. Use…

A: We need to find out output voltage for given circuit

Q: A generator connected through 5 cycle CB to a transformer is rated 8000 kVA with the reactances of…

A: A generator is connected through the 5 cycle circuit breaker to a transformer . It is operating at…

Q: Eight point charges of 1 nC each are located at the corners of a cube in free space that is 1 m on a…

Q: Given that a feedback network is shunt-series, and output load is 10kΩ, what is the output voltage…

Q: Determine the gain of a device

Q: If a filter is non ideal, the gain in the passband (0 ≤ w ≤ wc) is one for the entire band, and the…

A: In this question we have analyse the behaviour of non ideal filter. So here is given that : If a…

Q: Calculate the current taken by a 23µF capacitor when connected to a 200V, 50 Hz supply

A: Impedance of capacitor Xc= 12πfc ohms Where f is the frequency in Hz . and C is capacitance in F .…

Q: Explain the difference between digital and analogue electronics

A: Electronics:- Thus, electrical circuits with electrical components are the subject of the term…

Q: series RL circuit contains two resistors and two inductors.The resistors are 33ohms and 47ohms.The…

Q: In the circuit given below, assume Vcc=5V, VBE = 0.7V, R₁ = 10k, RB = 20k and ß = 50. How much is…

A: We need to find out emitter current for given circuit

Q: oose the right option for the following. L... villy 1. If a DC voltage is applied to a DC motor,…

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

Q: 1. If a DC voltage is applied to a DC motor, then, according to Fleming's Left hand Rule, the moto…

Q: Q10/Chose the correct answer for the output Q3 of the following circuit ( Assume that A=…

A: Given:

Q: When a transistor operates between cutoff and saturation points, the transistor acts like a 1-…

A: Transistor has four different operating modes depends on the base current 1. Cut off region 2.…

Q: Find the F. T of the following Signals using. differentiation prop: X(t)=28(t + 2) —…

Q: The no load current components of a current transformer are. magnetizing component = 102A core loss…

A: We have been given an no load current components of a current transformer are as below,…

Q: Having the text (AA AB ACBC CBBAAADB B B C D). Find The information content in (C)

A: SOLUTION GIVEN-- TEXT (A A A B A C B C C B B…

Q: A 500 : 25, current transformer is used along with an ammeter. If ammeter reading is 5.6 A, estimate…

A: We have an current transformer which is used along with an ammeter means ammeter is connected in…

Q: B) For the circuit shown below, the switch S has been opened for a long time, and at t=0 it is…

A: The required parameters can be calculated by analysing the circuit before and after the time t=0.…

Q: An ideal transformer has a turns ratio of 15:1 and is supplied at 180V when the primary current is…

Q: Find F.T it. X(t) = 28 (+ +27_28 (x-2)_rect (t+1) +rect +1) auso 4 (Sin² (w) - 25/uc (2W)) Hello…

Q: Write three important factors which justify the need of modulating a message signal. Show…

A: The method used to convert information into electrical signals that are best suited for transmission…

Q: Ideal voltage source should have • zero internal resistance O • infinite internal resistance O •…

Q: Calculate the junction capacitance of a silicon pn junction at T = 300 K with doping concentrations…

Q: Q2) Using nodal analysis, find I, in the circuit of Fig. 2

A: NOTE- “Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Determine the current supplied

Q: Question 5 Not yet answered Marked out of 1.00 P Flag question Calculate the means and standard…

Q: A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many…

A: Given data, Power P = 350 W. Time t=24 days = 24×24=576 h.

Q: 1) Find the equation for the tangent plane and the normal surface-9----at the line to the point…

Q: In a 110-V compound generator, the resistances of the armature, shunt and the series windings are…

A: Given that Compound generator Terminal voltage Vt=110 V Ra=0.06 ohm RSh=25 ohm RSe=0.04 ohm Load:…

Q: Magnetic domains normally occur in A) copper B) silver C) iron D) All of the above

A: Magnetic domain: It is a region in which magnetic materials are magnetized in a uniform direction.…

Q: Q5: An output pulse of 3 ms duration is to be generated by a 74LS122 one-shot. Using a capacitor of…

A: Given data Pulse width = 3 msec Capacitor =50000 pF we have to find external resistance value = Rext…

Q: how to stop a rapid rise in power supply from destroying and malfunctioning your computer

A: Power surge:- A significant increase in the current flowing through your electrical system causes…

Q: The cathode of zener diode in a voltage regulator is normally 1- less positive than the anode 2-…

Q: 4. Generator is said to be a. series field aids the shunt field c. the commutation device is used…

A: A compound generator has two field windings I.e series field winding and shunt field winding .…

Q: Q4 Calculate the magnitude of the force exerted on the charge by the field B = -2a, +5a, T if the…

A: We need to find out force on charge due to magnetic field and velocity

Q: Q5: An output pulse of 3 ms duration is to be generated by a 741S122 one-shot. Using a capacitor of…

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

Q: Plot a graph showing variation of current versus voltage for the material GaAs.

A: Given: Current versus Voltage for the material GaAs. Required: Plot of graph of Current versus…

Q: Ideal current sources have • zero internal resistance O • infinite internal resistance O • low value…

Q: . (A)-Create an 8086 Assembly language program that subtracts two 8-bit ASCII numbers, the first and…

A: Given: 8086 Assembly language program to subtract two 8 bit ASCII numbers. Two 8-bit ASCII numbers…

Q: In a two-wattmeter method of measuring power in a balanced 3 phase circuit, the Wattmeters indicate…

A: Given: In a two wattmeter method, the wattmeter indicate equal and opposite reading. W1=W.W2=-W.

Q: Find F.T it. X(t) = 28 (+ +27_28 (x-2)-rect (t+1) +rect +1) 2 auso 4 (Sin? (W)_25/uc (2W))

Q: s loss depends upon, ume and grade of iron ncy of magnetic reversals purpose of the commutator in a…

A: Hysteresis loss depends on: 1) Volume of material 2) Frequency of magnetic fields or reversals 3)…

Q: Q3. * Calculate the junction capacitance of a silicon pn junction at T = 300 K with doping…

Q: Define Electric field, Electric Potential, Elektric displacement

Q: In the circuit shown in Figure 10.24, find the transfer function H(w) = Vo/Vin- 1/jwC) V

Concept explainers

Synchronous Generator

In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.

Salient Pole Rotor

Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.

Question

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

What conditions must be met before two alternators can be paralleled together?
A 20-pole, star-connected, three-phase alternator rotates at 300 r.p.m. The armature has 360 slots and 6 conductors per slot. The width of the coils is 5/6 of the pole pitch. If the maximum flux per pole, with a sinusoidal distribution, is 0.086 Wb, what will be the values of the emfs? phase and line? I need the procedure to get to that answer. Thank you
1.) A 6-pole, 3-phase, 60-Hz alternator has 12 slots per pole and four conductors per slot. The winding is 5/6 pitch. There are 0.025 Wb entering the armature from each north pole, and this flux is sinusoidally distributed along the air gap. The armature coils are all connected in series. The winding is wye-connected. Determine the open circuit emf per phase of the alternator. Subject Electrical machine 2
Calculate the speed and open-circuit line and phase voltages of a 4-pole, 3-phase, 50-Hz, star-connected alternator with 36 slots and 19 conductors per slot. The flux per pole is 0.019 Wb and is sinusoidally distributed.
A 6 pole, 3 phase, 50 Hz alternator has 12 slots per pole and 4 conductors per slot. The winding is five-sixth pitch and the flux per pole is 1.5 wb. The armature coils are all connected in series with star connection. Calculate the induced emf per phase. [Ans. Emf = 14730 volts = 14.73 kV]
Calculate the speed and open-circuit line and phase voltages of a 4-pole, 3-phase, 50Hz, star connected alternator with 36 slots and 30 conductors per slot. The flux per pole is 0.0496 Wb and is sinusoidally distributed.
4 DECIMAL PLACES. The stator of a 3-phase, 16-pole alternator has 144 slots and there are 4 conductors per slot connected in 2 layers and the conductors of each phase are connected in series. If the speed of the alternator is 397 rpm, calculate (a) kc, (b) kd, and (c) the emf inducted per phase. The resultant flux in the air-gap is 5 x 10-2 webers per pole sinusoidally distributed. Assume the coil span as 150° electrical.
A 20-pole, Y-connected, three-phase, 400-Hz alternator has 3 coils per phase group. Each coil has 2 turns and the flux per pole is 23 mWb. The coils are connected in two parallel groups. Determine (a) the rotor speed, (b) the number of slots in the armature, (c) the winding factor, (d) the per-phase voltage, and (e) the line voltage.
Find the terminal voltage (in volts) on open circuit for a star-connected 6-Pole alternator having a flux per pole of 50mWb with 4 slots per pole per phase with 4 conductors per slot and a coil span of 130° and running at 1250rpm.
A/ 10 MVA, 11 KV, 50 Hz, 3-phase star-connected alternator s driven at 300 RPM. The winding is housed in 360 slots and has 6 conductors per slot, the coils spanning (5/6) of a pole pitch. Calculate the sinusoidally distributed flux per pole required to give a line voltage of 11 kV on open circuit, and the full load current per conductor.
An alternator is much less likely to burn out on a sustained short-circuit than a separately excited DC generator. Explain.please show your answer clean and readable. Thank you.
A 6 pole, 3 phase, 50 Hz alternator has 12 slots per pole and 4 conductorsper slot. The winding is five-sixth pitch and the flux per pole is 1.5 wb.The armature coils are all connected in series with star connection. Calculatethe induced emf per phase.