Q.3/ An 8-pole D.C shunt generator with 778 wave-connected armature conductors andrunning at 400 r.p.m supplies a load of 12.52 resistance at terminal voltage of 220 V. Thearmature resistance is 0.22 and the field resistance is 2502. Find the armature current, theinduced e.m.f and the flux per pole?

Answered: Image /qna-images/answer/3a5dfbef-486b-4674-ab19-e915c7a2ded9.jpg

.31 An 8-pole generator wave-connected conduct running at 400 r.p.m supplies a load of 12.52 resistance at teminal voltage of 220 armature resistance is 0.22 and the field resistance is 2502. Find the armature cur induced e.m.f and the flux per pole?

.31 An 8-pole generator wave-connected conduct running at 400 r.p.m supplies a load of 12.52 resistance at teminal voltage of 220 armature resistance is 0.22 and the field resistance is 2502. Find the armature cur induced e.m.f and the flux per pole?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Related questions

Q: Q1: a) why is the resistance of small machines high, and the resistance of large machines low? why…

A: Why the resistance of small machines high and the resistance of large machines low ? The reason…

Q: An 6-pole, wave-connected armature has 800 conductors and is driven at 625rev/min. If the flux per…

A: Given: A generator has, Number of poles, P=6 Wave wound so number of parallel path, A=2. Armature…

Q: Q 1 (a) Define voltage regulation of a generator. How its voltage regulation may be found by MMF…

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

Q: A 4pole lap wound armature when driven at 600rpm generates 120V. if the flux per pole I 25mWb, find…

A: A d.c. generator is an electrical machine in which mechanical energy gets converted into electrical…

Q: How many poles should a 60-Hz generator have, if it is connected to a turbine operating under a…

Q: (c)Derive EMF Equation of the DC generator

A: Let ∅ = flux per poleZ = total armature conductorA = number of parallel pathP = number of polesN =…

Q: A 4 pole armature of a DC machine has 175 conductors and a flux per pole of 0.1 wb. Find the EMF…

A: Given a DC machine having, Number of poles, P = 4 Number of conductors, Z = 175 The flux per pole,…

Q: dc shunt generator 50 V at the load 6A, rotating 700 r.p.m at the torque 4 N.m. Find the efficiency…

Q: The terminal voltage of a 150kW series generator is 600V at rated load. Determine the efficiency if…

Q: Problem 1. An(8-pole, wave-connected armature has 600 conductors and is driven at 625 rev/min. If…

Q: What are the parameters required for the internal characteristics of the DC Generator? a. Terminal…

A: We need to select the correct option

Q: Discuss about Generator modeling in transient stability and derive the formula for the real and…

A: In transient stability analysis of the generator, because of large disturbance linearisation of…

Q: Q 1 (a) Define voltage regulation of a generator. How its voltage regulation may be found by MME…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A shunt generator supplies a 34kW load at 225V through cables of resistance, R = 126m2. If the field…

Q: Between a separately-excited and a self-excited DC generator, which is simpler to construct and why?

Q: A long-shunt d.c. compound generator supplies 60A at 110V. The resistance of armature, series field…

Q: Write the procedure steps for paralleling two DC generators T TTArial

A: when the power requirements are higher then it is not possible to supply high power demand using…

Q: An 8-pole d.c. shunt generator with 778 wave-connexted arınature conductors running at 500r.p.m.…

Q: Between a separately-excited and a self-excited DC generator, which is simpler to construct and why?

A: Between a separately-excited and a self-excited DC generator, self excited dc generator is simpler…

Q: 2- A) What is the basic nature of nature of the induced EMF in a d.c generator ? b) What is the…

A: a) The character of the induced emf is alternating for a conductor rotating in the magnetic field.…

Q: r

A: The load characteristics of a DC generator gives us the information about the change in terminal…

Q: shunt generator supplies a 24kW load at 200V through cables of resistance, R = 110mΩ. If the field…

Q: A 4-pole dc generator has 150 conductors being wound simplex wave of its armature. If the flux per…

A: GivenNumber of poles P=4Number of conductors Z=150Number of parallel paths A=2Flux ϕ=25…

Q: ne function of a commutator is O change dc to ac O cuts the magnetic flux and emf is induced O…

Q: Open circuit (OC) and short circuit (SC) tests on an AC generator are conducted under the condition,…

A: Open circuit test: In this test the generator must be moved to at its rated speed and no-load must…

Q: A shunt generator supplies a 25kW load at 235V through cables of resistance, R = 116mn. If the field…

Q: 6. For a series dc generator with Rs =12, R, = 3 2, and V, = 60 V that delivers 240 W to the load,…

A: Note :- as per guidelines only the first question can be solved, kindly re post the other questions…

Q: A lap-connected dc generator with 480 conductors has armature resistance of 0.06 0. If the…

Q: A) Which of the following is/are a factor that will determine the amount of emf generated by a…

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

Q: In induction heater, heat is produced in magnetic materials when they are exposed to an…

A: Choose the correct option The given statement In induction heater, heat is produced in magnetic…

Q: (a) Draw the combined space and time phasor diagram for a cylindrical rotor alternator with armature…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A DC shunt generator supplies a load of 27 kW at 210 V through the cables of resistance, R = 126 mΩ.…

Q: 2. The below figure shows the results of magnetic particles inspection experiment. What can you…

A: Introduction: Magnetic particle inspection is non-destructive testing to determine any discontinuity…

Q: The torque angle of synchronous machine operating from a constant voltage bus, is usually defined as…

A: The torque angle of synchronous machine operating from a constant voltage bus, is usually defined as…

Q: A 18 kW, 336 V DC long-shunt generator has an armature, series field and shunt field resistances of…

A: For long shunt generator Armature induced voltage = terminal voltage +voltage drop in armature and…

Q: An armature having a diameter of 24 inches and axial length of 1m is running at the speed of 6920…

Q: A four-pole lap wound armature when driven at 600rpm the generated emf is 120 volts. If the flux per…

A: Given that N=600 rpmE=120Vϕ=25mWbP=4A=P=4 Although for DC machine formula of generated emf is given…

Q: Ex1 : An 8 pole armature is wound with 420 conductors , the flux and the speed are each that the…

A: The armature lap-connected number of the parallel path in the armature winding=number of poles=8 No.…

Q: Explain compound DC generator, also describe its types and terminal characteristics of compound DC…

Q: What do you call the plot of the internally generated voltage vs. field current at a given…

Q: A500 kW , 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of…

A: When brushes are on GNA (Geometrical neutral axis), then electrical angle (θe) =0° ATC/pole of a DC…

Q: Q1: a) why is the resistance of small machines high, and the resistance of large machines low? why s…

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

Q: A 220 V , 60 Hz , supply is connected to 200 – turn armature winding of reluctance 1.7x105 At / Wb .…

A: Given:220 Voltf=60HzN=200 turnsReluctance S=1.7×105At/WbTo find:Magnetising reactance=?InductanceL=?

Q: Q2: A500 kW, 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of…

A: the magnetic neutral axis usually shifts in the same direction as of generator and opposite in the…

Q: If Alternator is working at leading pf loads, what are the possible effects present on resultant…

A: The effect of armature flux on main field flux is called Armature Reaction. The effect of Armature…

Q: Show that an alternator running in parallel on constant-voltage and frequency bus-bars has a natural…

Q: A four pole wave wound armature of a DC machine has 500 conductors and flux per pole of 12 mWb. Find…

A: Dc generator convert mechanical energy in to electrical energy. It works on principle of Faraday's…

Q: Discuss about generator modeling and drive the formula for the real and reactive power supply it .

A: Generator modeling - The simplest sophisticated modeling in a system stability tool are generator…

Question

Q.3/ An 8-pole D.C shunt generator with 778 wave-connected armature conductors and
running at 400 r.p.m supplies a load of 12.52 resistance at terminal voltage of 220 V. The
armature resistance is 0.22 and the field resistance is 2502. Find the armature current, the
induced e.m.f and the flux per pole?

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

A DC shunt generator supplies a load of 27 kW at 210 V through the cables of resistance, R = 126 mΩ. If the field winding resistance, Rf = 62 Ω and the armature resistance, Ra = 35 mΩ, Determine (a) the terminal voltage, and (b) the E.m.f. generated in the armature. The terminal voltage is = The E.m.f generated in armature is =
A 220 V , 60 Hz , supply is connected to 200 – turn armature winding of reluctance 1.7x105 At / Wb . Find the magnetizing reactance , the rms values of the ( magneto – motive force , exciting and armature currents , magnetic flux ) , and the inductance Draw the phasor diagram of the circuit .
Q2: A500 kW , 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of brushes when ATd / pole = 208 AT . If the ATC for same generator when connected as wave wound is 2600 AT when the brushes on G.N.A .
Q2: A500 kW, 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of brushes when AT4 / pole = 208 AT. If the ATC for same generator when connected as wave wound is 2600 AT when the brushes on G.N.A.
A shunt generator supplies a 20kW load at 200V through cables of resistance, R= 100mΩ. If the field winding resistance, Rf =50Ω and the armature resistance, Ra =40mΩ, determine (a) the terminal voltage, and (b) the e.m.f. generated in the armature
44 - A - the regulation curve of a DC generator shows the relation between what two factors? a) output voltage and load current, b) output voltage and field current, c)field current and load current, d) none B) If same DC generator ca be connected for either separate- or self-excitation, with of the two connections should be used to obtain the better voltage regulation? a) self-excited b) separately-excited C) How is the efficiency usually expressed? a) in waltts, b) in kilowatts-hours, c) in percentage, d) none
Dc machines A separately excited D.C. generator has an armature circuit resistance of 0.1 ohms. And the total brush-drop is 2 V. When running at 1000 r.p.m., it delivers a current of 100 A at 250 V to a load of constant resistance. If the generator speed drop to 700 r.p.m., with field-current unaltered, find the current delivered to load.
- A separately excited 4 - pole, 900 rpm wave wound dc generator has an induced emf of 240V at rated speed and rated field current. When connected to a load, the terminal voltage is observed to be 200V. If the armature resistance is 0.2 Ω and the flux per pole is 10 m Wb, compute the armature current and the number of conductors
A separately excited D.C. generator has an armature circuit resistance of 0.1 ohms. And the total brush-drop is 2 V. When running at 1000 r.p.m., it delivers a current of 100 A at 250 V to a load of constant resistance. If the generator speed drop to 700 r.p.m., with field-current unaltered, find the current delivered to load.
A 220 V , 60 Hz , supply is connected to 200 – turn armature winding of reluctance 1.7x105 At / Wb . Find : the magnetizing reactance the rms values of the ( magneto – motive force , exciting and armature currents , magnetic fluxflu the inductance Draw the phasor diagram of the circuit
A series generator having a combined armature and field resistance of 0.4 ohm usrunning at 1000 rpm and delivering 5.5 kW at a terminal voltage of 110 V. If thespeed is raised to 1500 rpm and load adjusted to 10 kW, find the new terminalvoltage. Assume the machine is working on straight line portion of magnetizationcharacteristics.
Q23) A shunt generator supplies a 20KW load at 200V through cables of resistance, R = 100mΩ. If the field winding resistance ,Rf=50Ω and the armature resistance, Ra=40mΩ, i) Estimate terminal voltage across the load. ii) Calculate the emf generated in the armature.