For a dc generator, the current of the shunt winding is small as compared to armature current true O False
Q: )A 4-POle dc. shunt generator with a wave-Wound armature has to supply a Lamps each Load of 500 Iレ…
A: First we will find find armature current than we will find generated emf. Generated emf=∅×N×Z60×PA.…
Q: A lap connected 6 pole DC generator has an armature conductors of 500 and is driven at 600 rpm. If…
A: given. pole P =6 speed N= 600rpm flux per pole ∅= 15m Wb conductors z=500 generated e.m.f =…
Q: (a) A short shunt cumulative compound dc generator supplies 4kW at 220V. The Shunt field resistance,…
A: Find the induced emf of the DC short shunt commulative type generator.
Q: A 300V, 4-poles, triplex wave shunt generator has 520 conductors, 50 milliweber flux per pole,…
A: Given parameters are: Terminal Voltage, Vt=300V, Number of Poles, P=4 Number of Conductors, Z=520…
Q: There is a slight fault in the magnetic circuit which causes the emfs in two of the paths to be 5 %…
A:
Q: Q3) In a long-shunt compund generator, the terminal voltage is 230 V, when it delivers 150 A. The…
A: This question belongs to electrical machine . It is based on the concept of dc generator . Have a…
Q: Two dc generators are connected to a common load. Generator 1 has armature emf of 250 V and armature…
A: Given, Two DC generator are connected to a common load, Generator 1 has, EMF, E1=250 V Armature…
Q: When the DC machine is running under saturation condition, then flux per pole increases due to…
A: The armature reaction of the DC machine is cross magnetizing with the axis that is stationary along…
Q: A 6 pole, wave wound DC shunt generator has a useful total flux of 420 mWb. The armature winding…
A:
Q: 1. Design and draw a developed diagram/layout of a simple 2-layer Lap-winding for a 4- pole dc…
A: Progressive Winding :It is a process of winding In which winding is done in one direction and the…
Q: the lap wound armature of a six pole generator has600 active conductors. The speed is 1000rpm. The…
A: Given in the question: Number of poles, P = 6 Number of conductors, Z = 600 Speed of the machine, N…
Q: The internal characteristics of DC shunt generator can be obtained from *
A: Internal characteristics of DC shunt generator obtained by the relationship between the generated…
Q: (iv) Define two parameters which are indices of performance of a DC generator and there values…
A: The Two parameters which are indices of a performance of a DC generator and there values affect the…
Q: Elimination of armature reaction requires a series field winding O True False
A: The elimination of armature reaction requires compensating winding.
Q: The open circuit characteristics of DC shunt generator starts with some * minimum voltage instead of…
A:
Q: A 30 kW, 4 pole 500 V DC shunt generator has an armature and shunt held resistances of 0.29 ohris…
A: Given, A DC shunt generator has, Terminal voltage (Vt) = 500 V Output power (Po) = 30 kW Number…
Q: - The e.m.f. induced in the armature of a DC shunt generator is inversely proportional to
A: The e.m.f. induced in the armature of a D.C. shunt generator is given as Here P is the number of…
Q: (b) Draw (neatly and accurately) the no-load terminal voltage versus field current characteristic of…
A:
Q: A 4 pole DC shunt generator with 400 wave connected armature conductors running at 975 rpm supplies…
A: Given that, P=4 Z=400 Vt =220 V Ra=0.25 ohm Rsh =110 ohm RL =10 ohm N=975 rpm…
Q: A d.c. shunt generator has a full load output of 10 kW at a terminal voltage of 240 V. The armature…
A: We have an shunt generator which has, Full load output = 10 KW Voltage (V) = 240 V Armature…
Q: The use of the magnetization curve to solve a problem like separately-excited and self-excited shunt…
A: In this question we will write about magnetisation curve of dc generator....
Q: Question # 6: a) Draw and explain output characteristics of DC shunt generator (with and without…
A: Concept: A capacity to do work is called energy and it may exist in potential, kinetic, thermal,…
Q: 1. In DC series generator field winding and armature winding are connected parallelly. Select one:…
A: Field winding is used to produce the required flux in self excited motors.
Q: A short-shunt compound generator delivers a load current of 30 A at 220 V and has armature,…
A: Given Armature resistance = 0.04Ω series-field resistance = 0.2Ω Shunt field resistance = 100Ω Per…
Q: Q3 In a long-shunt compund generator, the terminal voltage is 230 V, when it delivers 150 A. The…
A:
Q: For a DC generator feeding 100 kW power into 230 V mains, having armature resistance and shunt field…
A: Given : a DC generator feeding 100 kW power into 230 V mains, armature resistance and shunt field…
Q: 3-A long shunt compound DC generator delivers a load current of 50A at 500V and has armature, series…
A:
Q: A 4 pole dc shunt generator with a shunt field resistance of 100 ohm and an armature resistance of 1…
A: We have given;pole P=4shunt filed resistance=100Ωarmature resistance=1Ωz=378flux per pole…
Q: A compound DC generator has a series resistance divided equally and connected in series with the…
A: From the figure : Vsh = 720+100x0.3 Vsh = 750 volts Ish = VshRsh =750240 =3.125 A Ia =…
Q: seperately excited dc generator has the following data: armature resistance , 0.06 Ω; field…
A:
Q: A 250-V dc short-shunt generator has armature, series field and shunt field resistances of 0.1234 Ω,…
A: Use short shunt generator equivalent model and KVL to find the currents Then use the values to find…
Q: True False D.C shunt generators are most suitable for arc winding Answer by true or false * True…
A: Application of DC machine and operation of DC machine. Each DC machine have two type winding…
Q: In a DC shunt generator, the induced EMF is 230 V, the armature resistance is 0.1ohm and the…
A: Given: In dc shunt generator E=230 VRa=0.1 ΩIa=200 A
Q: A separately excited D.C. generator has armature circuit resistance of 0.1 ohm and the total…
A:
Q: A 20 kW, 440-V, short-shunt, compound d.c. generator has a full-loade fficiency of 87%. If the…
A: Given:P=20kWVt=440Vshort shunt compound DC generator87% efficiencyRa=0.4ΩRs=0.25ΩRsh=240Ω
Q: (b) In a DC machine, the total armature conductor is 1000 and the number of slots 40, then the…
A: Conductor per slot=total no.of conductorsno.of slots. Efficiency =output poweroutput power+iron loss…
Q: Define the working of the DC generator with the properly labelled diagrams.
A: DC Generator: It is an electrical machine that converts mechanical energy into electrical energy.…
Q: The 20 KW, Shunt DC Generator ha a four-pole lap winding and generates 216-volts when running at…
A:
Q: Explain Compound DC. :- generator, types also describe its and terminal characteristics of compound…
A:
Q: An engineer is designing 4-pole DC generator with 30 conductors by using simplex two-layer wave-…
A:
Q: A 6 pole, wave wound DC shunt generator has a useful total flux of 420 mWb. The armature winding…
A: There are two kinds of DC machine DC motor and DC generator DC motor: DC motor takes DC current as a…
Q: - The DC shunt generator will not build-up an e.m.f. if * a) The direction of armature rotation is…
A: condition for the build up of a shunt generator There must be some residual magnetism in the…
Q: b) Explain how the voltage buildup occur in a shunt DC generator during starting.
A:
Q: Which of the points indicated on the no-load characteristic of the DC generator corresponds to the…
A: Note: Since you have not specified any question to be answered, as per our honor code, we are…
Q: A 500-V, wave-wound, 750 r.p.m. shunt generator supplies a load of 195 A. The armature has 720…
A: Due to commutator reaction de-magnetization happens, formula to calculate demagnetization turns per…
Q: Q) in a (120 V) compound gnerator, the 1esistance of the armature, shunt and series windings we…
A: Armature current =load current +shunt field current. Depending upon the connection we will draw the…
Q: a long shunt DC generator, Shunt winding is parallel with the Series filed winding and Armature…
A: We need to tell about the given statement is true or false.
Q: An 8 pole DC shunt generator with wave winding has 4800 conductor with 20 turns and average per pole…
A:
Q: 4. What for brushes are employed in DC generator? 5. What is the function of armature in a DC 6.…
A: In this question we will write function of brushes etc.. Note;:- as per guidelines , will answer…
Q: A 4-pole DC generator has 800 armature conductors and a flux per pole of 10 mWb running at 600 rpm.…
A: Given, A DC generator with simplex lap winding has, Total number of pole, P = 4 Total number of…
Solve
Step by step
Solved in 2 steps
- A short shunt compound DC generator supplies a load current of 10A at a voltage of 10 volts. If the resistance of armature, shunt field and series field windings are 0.001 ohm, 1 ohm 0.00 ohm respectively. a) Draw the the figure. And find the generated voltage.. When a self-excited compound DC generator supplies load, the terminal voltage is not the same as the generated emE Why? a) voltage drop across the armature resistance will reduce the voltage available at the load terminals b) where there is a series field, voltage drop across the series field resistance will reduce the voltage available at the load terminals c) both "a" and "b" d) neither "a" nor "b"A short shunt compound DC generator supplies a load current of 10A at a voltage of 10 volts. If the resistance of armature, shunt field and series field windings are 0.001 ohm, 1 ohm 0.00 ohm respectively. c) write down the factors to improve the generated voltage.
- A shunt generator has an output of 22 kW at a terminal voltage of 220 V. armature and shunt field resistances are 0.05 ohm and 44 ohms, respectively. If the copper loss is equal to the core, friction and windage losses at this load, the over-all efficiency of this generator is nearest toA short shunt compound DC generator supplies a load of 10A at a voltage of 10 volts. If the resistances of Armature, shunt field and series field windings are 0.01 ohm, 1 ohm and 0.00 ohm respectively. c) Write down the factors to improve the generated voltage.For a DC generator feeding 100 kW power into 230 V mains, having armature resistance and shunt field resistance equal to 0.08 Ω and 115 Ω respectively. Determine the armature current.
- In a DC shunt generator, the induced EMF is 230 V, the armature resistance is 0.1ohm and the armature current is 200 A. Determine the terminal voltage.The armature of a dc generator has a two-layer simplex lap winding housed in 72 slots with 6 conductors per slot. Find the number of commutator bars required for the armature.A long shunt compound dc generator delivers a load current of 69 A at 396 V and has armature, series field and shunt field resistances of 0.096 Ω, 0.014 Ω, and 259 Ω, respectively. Calculate the armature current in ampere.
- A 30 kW, 4 pole 500 V DC shunt generator has an armature and shunt held resistances of 0.29 ohris and 110 ohms respectively Determine the required number of conductors 2 in order to produce a generated voltage of 520.72 V and flux per pole equal to 8 mWb running at 3200 rpm. The armature winding is said to be in duplex lap winding arrangementAn 8-pole dc generator has a duplex lap wound armature with 64 coils and 16 turns per coil. The resistance of this winding is 0.015 ohms per turn. Find the armature resistance.(Draw the Circuit Diagram) A self-excited shunt generator has a field resistance of 60 ohms. When the generator delivers 6 kW, the terminal voltage is 120 V, while the generated emf is 133 V. Determinethe armature resistance