a) Estimate the stator core loss. Assume the maximum lamination flux density is 1.65 T.

Q: Q5-(A)- Explain briefly the following questions What are the reasons for connecting transformers in…

A: The transformer is an electrical device which is used to convert the voltage magnitude in a…

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: An 6 pole, wave connected armature has 580 conductors and its generated e.m.f is 125 V. If the…

A: To solve above problem, one should know the EMF equation of DC generator, which is given by: E…

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: A 4-pole generator having wave wound armature winding has 50 slots, each slots containing 20…

A:

Q: Discuss the following terms               (i) Double Revolving Theory               (ii) Lap…

A: As per our policy i have attempted first three sub-parts. (i) The double-revolving field theory of a…

Q: Upon what does the amount of emf generated in alternator depend? A-the rate at which the lines of…

A: EMF generated in an alternator is given by EMF equation  E = 4.44fфT Volts. where P= No. of poles…

Q: 1- In alternator armature winding why we prefer : a- short pitch winding w.r.t. full pitch winding?…

A: a) Short pitch prefer because in order to eliminate higher frequency harmonics in generated…

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: 3-phase,50 Hz, delta connected generator, its stator winding having 12sninai ns pole pair and 6…

A: 3-phase,50 Hz, delta connected generator, its stator winding having 12sninai ns pole pair and 6…

Q: What will be the front and back pitches of the 6-pole dc generator with a simplex 2-layer wave…

A:

Q: For a P pole machine derive the flux per pole.

A: Average EMF generated by the armature of a DC generator (voltage across the brushes of different…

Q: Why we use silicon steel in manufacturing induction motor Core ? can we use wood in core…

A: In this question we will write about silicon steel use in making core of IM...

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

A:

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

A: The solution can be achieved as follows.

Q: A 4-pole, wave connected winding dc shunt generator has core diameter of 0.7 m, 520 conductor, the…

A: Given, the Shunt generator is wave connected Poles (p)=4 Number of conductors = 520 Speed = 720 Rpm…

Q: An 2 pole, wave connected armature has 550 conductors and its generated e.m.f is 110 V. If the…

A:

Q: A lap connected 6 pole DC generator has an armature conductors of 500 and is driven at 600 rpm. If…

A: The solution for the given DC generator is solved below and attached.

Q: 111/ The armature reaction of the DC generator reduces the generated EMF. Select one: True False

A: In a DC generator, the voltage is induced in the armature coils due to the flux produced by the…

Q: (A)- Explain briefly the following questions What are the reasons for connecting transformers in…

A: TRANSFORMER : A device that distributes electric energy from one alternating-current circuit to one…

Q: (a) For a P pole machine, derive the total flux per pole.

A:

Q: An 2 pole, wave connected armature has 590 conductors and its generated e.m.f is 110 V. If the…

A: We know there is direct formula for generated emf , from that formula we will calculate flux per…

Q: Explain why, when steel is subjected to alternating magnetization energy, losses occur due to both…

A: In this question we will find hysteresis and eddy current losses at given frequency....

Q: Explain vector grouping of transformers with suitable diagrams. Mention its usefulness.

A: The three-phase transformer can be imagined as a three single-phase transformer having a common…

Q: ( Write the types and shortly explain the magnetic losses for electrical machines. )

A: In this question we discuss about type of magnetic losses for electrical machines

Q: Electric Machines2 What are the characteristics of the rotating magnetic field created by…

A: The rotating magnetic field created by the three-phase current in three-phase stator winding: When a…

Q: Which one of the following d-c machine losses is determined by applying a standard value rather than…

A: All practical DC machine does not works at 100% efficiency, there must be some losses present in the…

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

A:

Q: 6 pole, wave connected armature has 520 conductors and its generated e.m.f is 125 V. If the machine…

A:

Q: Why is it necessary to conduct polarity tests on transformers?

A: Polarity test:  It is a test conducted on primary and secondary winding of a transformer and to know…

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: Determine the flux per pole for 6 pole dc machine having 240 wave connected conductors, which…

A: Given DC generator  Number of poles P=6Number of conductors Z=240wave connected winding so,Number of…

Q: Write the types and shortly explain the magnetic losses for electrical machines

A: we need to explain the types and shortly explain the magnetic losses for electrical machines

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

A:

Q: * Answer by true or false False True The core reluctance proportional directly with the length of…

A: As per the guidelines of bartleby we can answer 1st 3 sub - parts for rest of the question you…

Q: a) Explain how the power flows in an induction machine, where losses occur and how they can be…

A: NOTE:-  As per our company policy, experts are allowed to answer only 1 Q. at a time. So please…

Q: Determine the flux per pole for 6 pole de machine having 240 wave connected conductors, which…

A:

Q: 13- In field divertor method of speed control,by adjusting its resistance leads to a. increase in…

A: In field divertor method of speed control,by adjusting its resistance leads to

Q: Discuss the principle of operation of pumped storage type hydroelectric power plant and discuss…

A: As per company policy, only the first question will be solved. If the other solution is needed,…

Q: An 8-pole lap connected armature has 960 conductors, a flux of 40 mWb per pole and a speed of 400…

A: Given values are - PolesP=8Number of conductorsZ=960Fluxϕ=40mWbSpeedN=400   Given that armature is…

Q: Determine the flux per pole for 6 pole dc machine having 240 wave connected conductors, which…

A: Given, a DC machine having Wave wound, so Number of parallel path, A= 2 Number of poles, P= 6 Number…

Q: 4. What for brushes are employed in DC generator?

A: DC Generator: The device that converts mechanical energy into electrical energy is called DC…

Q: 2. Design and draw a developed diagram/layout of a simple 2-layer Wave-winding for a 4-pole de…

A: DC generator- DC generator is a machine which convert mechanical energy into electrical energy of DC…

Q: A 4 pole dc generator runs at 750 rpm and generates an emf of 240 V. The armature is wave wound and…

A:

Type of Magnetic Material

Every material has a unique composition that defines its magnetic behavior. Some materials get attracted towards a magnet and are called magnetic materials. Based on the magnetic properties held by each material, they are classified into different types.