A 6 pole dc armature has Simplex lap connected 720 conductors, 3 turns per coil and 4 coil sides per slot. Determine the number of slots in the armature and state whether equalizers can be employed or not ?
Q: Discuss with aid of diagrams and equations the effect of armature reaction on the generated voltage…
A: Armature reaction: In DC generator the armature current induces the armature flux and the main poles…
Q: 1. Explain and draw armature reaction on working of d.c. generator when brushes along G.N.A? 2. What…
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Q: For this Assessment, design an armature winding with the following information: 1. your choice of…
A: For the design we assuming following parameters 1) winding : Lap 2) simplex 3) Number of slots : 20…
Q: Q1) A shunt generator generated in the armature 243.6V and the resistance of the shunt field and…
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Q: Elimination of armature reaction requires a series field winding O True False
A: The elimination of armature reaction requires compensating winding.
Q: 1. The armature is laminated to control 2. The two side of an armature coil with full pitch will…
A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…
Q: A separately excited generator has lap-wound armature with 12 slots and 5 turns per coil. It is…
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Q: QUESTION 2 To minimize the effect of armature reaction and keep the field lines straight between the…
A: Minimize the effects of armature reaction and keep the field lines straight between the poles of a…
Q: 2. A four-pole de machine with a lap wound armature has a total of 652 armature conductors with an…
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Q: Explain the following Armature Winding Terminologies (i) Coil Span (ii) Resultant Pitch
A: In the following section, coil span and resultant pitch related to armature winding technology has…
Q: A 220V DC shunt motordraws a no load armature current of 2.5A when running at 1400 rpm. Determine…
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Q: Short Answer Questions 1. Why is the armature core of a DC machine laminated? 2. In small DC…
A: 1) Eddy current losses are directly proportional to the area of the armature or more precisely the…
Q: A four-pole de machine has an armature of radius 12.5 cm and an effective length of 25 cm. The poles…
A: Given values are - PoleP=4LengthL=25cmRadiusR=12.5cmPole covers 75 percent of the armature…
Q: A 4-pole, 900 r.p.m. d.c. generator has a terminal voltage of 220 V and an induced voltage of 240 V…
A: For the given 4-Pole Dc generator Eg = 240 V Vt= 220V N=900 Ra= 0.2 ohms Flux = 10 m Wb Armature…
Q: Q1) A shunt generator generated in the armature 243.6V and the resistance of the shunt field and…
A:
Q: 9. In d.c. generators, armature reaction is produced actually by (a) its field current (b) armature…
A: Armature reaction is the effect of armature flux on the main field flux. ϕT=ϕmain+ϕarmature The…
Q: How many parallel paths are there in the windings of an armature wound duplex lap for four poles?
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Q: What will happen if the back emf drops to zero because the external mechanical load stops the…
A: Back EMF is the generated when the motor is under running condition. If N=0, the back emf will also…
Q: Armature copper loss of DC motor is constant with the load. Select one: True False
A: Losses occur in all types of machines. The losses in a DC machine are divided into : 1.Copper loss…
Q: Q2) A Separately excited DC Generator has 300 armature conductors; total flux is 0.12 Web, current…
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Q: 3. A 6-pole, lap-wound armature, having 720 conductors, rotates in a field of 20.35 mWb. a. If the…
A: The solution is given below
Q: Design a suitable double-layer lap winding for a 6-pole armature with 18 slots and two coil-sides…
A: Front pitch- The distance between two coil sides connected to the same commutator segment is called…
Q: Q3) A 4 pole wave wound short shunt compound DC Generator supplies c current of 100 A to a load of…
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Q: Q3. A four-pole de machine has an armature radius of 12.5 cm and an effective length of 24 cm. the…
A: As per our guidelines we are supposed to answer only one question. Kindly repost other questions as…
Q: A 4 pole d.c. The motor has a wave-wound armature winding. The value of flux per pole is 60 mWb. The…
A: We have an DC motor with wave-wound armature. We have been asked to find The speed of this motor and…
Q: A 4-pole, 900 r.p.m. d.c. generator has a terminal voltage of 220 V and an induced voltage of 240 V…
A: The solution is attached below.
Q: EX AG-Pole DC motor has an armatures has (72) slot and each slot has & conductors 70% of Conductors…
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Q: (ii) The armature of a 14 pole DC shunt generator has 60 slots and is lap wound with 13 conductors…
A: The solution is attached below for given shunt generator.
Q: Q3- What is the effect of adding additional coil in armature DC-generator?
A: As per the guidelines of Bartleby we have to solve first question only we request you to upload the…
Q: QUESTION FOUR 4. A 12 kW, six-pole DC generator develops an emf of 240 at 1500 rpm. The armature has…
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
Q: A 10kW, 4-pole lap wound, dc shunt generator has a useful flux per pole of 0.075 Wb. The armature…
A: In the question, A 10kW, 4-pole lap wound, dc shunt generator flux per pole =0.075 Wb. Total number…
Q: - The e.m.f. induced in the armature of a DC shunt generator is inversely proportional to * a) Field…
A: Back EMF of dc shunt motor is given by, Back EMF of shunt generator can also be given by,
Q: Report : 1- Draw the open (no-load) characteristics from the above tables. 2- Derive the equation…
A: Here, we have given a circuit, for which we have to draw the open circuit characteristics when…
Q: 7. In a 10 pole, lap wound dc armature, the number of active armature conductor per pole is 50. The…
A: Given data for lap wound dc armature No of pole = P = 10 No of active conductor per pole = 50
Q: 1- Plot the speed-fieid current relation (Flux control ). 2-Plot the speed-armature voltage relation…
A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…
Q: 10kW, 4-pole lap wound, dc shunt generator has a useful flux per pole of 0.075 Wb. The armature…
A: In this question we will find terminal voltage of dc shunt generator...
Q: The armature of a 4 pole, 128 slots shunt generator is lap wound with 4 conductor per slot. The flux…
A: The detailed solution is as follows.
Q: determine (i) Generated EMF, (ii) Total Resistance, (iii) Armature Current, (iv) Terminal Voltage.
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Q: Resistance of armature winding. (1) Kilo Ohm |(1.46) Ohm |(1.3) Ohm Resistance of shunt field…
A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…
Q: The armature of a 4-pole, 130 slots shunt generator is lap wound with four conductors per slot. The…
A:
Q: If the armature of an eight-pole machine were wound with a simplex wave winding, how many parallel…
A: The armature winding of electrical machines are of two types as listed below : Lap winding Wave…
Q: Q1) A shunt generator generated in the armature 243.6V and the resistance of the shunt field and…
A:
Q: How many parallel current paths will there be in the armature of a 12-pole machine if the armature…
A: The solution is given below
Q: Q6) A 12 pole DC shunt generator has an armature resistance of 0.02 2. The armature is lap wound…
A:
Q: A de machine has 8 poles and a rated current of 100 A. How much current will flow in each path at…
A: Given: A DC machine with Number of poles, N=8 Rated current, I=100 A
Q: a d.c machine has 8 poles and a rated current of 120 A. How much current will flow in each path at…
A: GivenNumber of poles=8Armature current Ia=120 A
Q: What is the use of auxiliary contact coil gets the supply in the magnetic controller?
A: In a magnetic controller the contacts are make or break automatically according to the flow of…
Q: A four-pole de machine has an armature of radius 12.5 cm and an effective length of 25 cm. The poles…
A: Given values are - Armature is lap-wound.Number of parallel patha=Number of polesPa=P=4Number of…
A 6 pole dc armature has Simplex lap connected 720 conductors, 3 turns per coil and 4 coil sides per slot. Determine the number of slots in the armature and state whether equalizers can be employed or not ?
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- A simplex lap wound dc dynamo has 800 conductors on its armature, a rated armature current of 1000 A and 10 poles. Calculate the number of pole face conductors per pole to give full armature reaction compensation, if the pole face covers 70 per cent of the pitch.What will happen if the back emf drops to zero because the external mechanical load stops the armature from rotating?What is the plex of an armature winding?
- A 6 pole dc armature has simplex lap connected 720 conductors, 3 turns per coil and 4 coil-sides per slot. Determine the number of slots in the armature.THE ARMATURE OF A 4-POLE, 128 SLOTS SHUNT GEN. IS LAP WOUND WITH FOUR CONDUCTORS PER SLOT. THE FLUX PER POLE IS 50 mWb. THE ARMATURE AND SHUNT FIELD RESISTANCES ARE 0.04 OHM AND 50 OHMS RESPECTIVELY. DETERMINE THE SPEED OF THE MACHINE WHEN SUPPLYING 400 A AT A TERMINAL VOLTAGE OF 250V.How is the shunt field connected in relation to the armature?
- Resistance of armature winding. (1) Kilo Ohm Resistance of shunt field winding. Resistance of series field winding. DISCUSSION 1- From the above measurements compare between the values of armature , shunt and series windings.A shunt generator delivers 195 Amp of terminal of voltage 250Volts. The armature resistance and shuntfield resistance are 0.02 ohm and 50 ohms respectively. The iron and friction losses equal to 950 Watts.The overall efficiency is?What is armature winding? Who discovered it and what is its function?