A short shunt compound generator supplies 100A at 110V. Armature resistance is 0.05Ω and the shunt field resistance is 57Ω and the series field of resistance is 0.04Ω. if the SPL is 852, determine a)Eg b)Copper lossesin b.1)armature b.2)series b.3)shunt c)η

Q: 13. A 200V DC Generator has a shunt field resistance of 200ohms. Its field current A) 1A B) 2A C) 3A…

A:

Q: A coil that con sists of 450 windings is wound around a bakelite rin g. The mean diameter of the…

A: We are authorized to answer only 1 question at a time since you have not mentioned which question…

Q: 13. A 200V DC Generator has a shunt field resistance of 200ohms. Its field current A) 1A B) 2A C) 3A…

A: 13. Given data, Terminal voltage V = 200 V Field resistance Rf=200 Ω

Q: A shart-shunt compound generator supplies 80 A at 200 V. If the field resistance, Rf = 400, the…

A:

Q: In transformers, the flux lost in the air is called nd as SKW. If th

A: There are two types of flux in trabsformer, namely, Linkage flux Leakage flux

Q: In DC generator pole core is made up of

A: In the DC generator pole core is made up?

Q: To change the direction of rotation of a series wound DC generator the general rule is to

A: To change the direction of rotation of a series wound DC generator  Note: we always change the…

Q: The winding data for three different alternators are as follows I. 60 slots, four poles, span 1 to 9…

A: pitch factor=cos(short pitch angle2). slot angle=180slot /pole.

Q: For the ferromagnetic core shown in the gure below draw the magnetic circut for the core. The…

A: Note: Flux in the series circuit remain same Flux in parallel circuit changes based on reluctance…

Q: The rotor winding of the induction motor at no load condition is equivalent to O connected to an…

A: Rotor Winding of the Induction Motor at No load Condition is Equivalent

Q: D.C shunt generators are most suitable for arc winding

A: The most suitable DC genrator for arc welding is Differential compund genrator.

Q: True or False: In a DC Machine, the field windings can only be found at the Stator

A: In DC motor the field winding is on the stator of the motor and the armature winding is on the rptpr…

Q: The generated voltage per phase of an alternator is E0 while the speed of rotor rotation is 3000…

A: We will establish the relation between the generated voltage and the speed of the alternator.

Q: In generator, the generated e.m.f will increase with the load. separately excited dc generator self…

A: In this question we need to choose a correct option.

Q: The type generator field winding is supplied from the external D.C. source. O Shunt O Self excited o…

A: Seld excited generator does not require addtional power DC supply.

Q: block diagram fro dc motor refrigerator

A: Electrical machines can be either generator, transformer or motors. They can be either Ac machines…

Q: QI/ Caleulate the voltage per phase for a 3-phase 1500 rpm, 4-pole alternator having a 16 conductors…

A:

Q: In a DC machine, the reversal of currentrom one direction to opposite direction is done by O…

A: In this we will write about reversal of current in dc machine....

Q: HWA long solenoid that has 1000 furns uniformity distributed over a length of 0.4m produces a…

A:

Q: Alternator A (100 kVA, 3-f, 240 V, 60 Hz, 1800 rpm) is operating in parallel with alternator B (125…

A: In this question We need to determine the pf of load. If Alternator A (100 kVA, 3-f, 240 V, 60 Hz,…

Q: A three-phase, star-connected alternator has 6 number of poles, armature with 140 slots and 4…

A:

Q: Draw the No Load characteristic From run (1) and calculate RF, show different lines of shunt field…

A: No load characteristic of a generator is drawn between open circuit voltage (Eo) and field current…

Q: 8A (L 2A

A: In source transformation, one source works at a time. When 8 A is OC , 9 ohm and 3 ohm resistors…

Q: small 4-pole generator with a six-turn rotor coil generates the following voltage wave: e = 169.706…

A:

Q: When the field current (If) is increased towards its rated value in the DC shunt generator, the…

A: Given, DC shunt generator, If, field current is increased

Q: A 6 pole DC wave wound generator has 28 armature conductors with flux per pole is 25 mWb and the…

A: Let N is be the speed in rpm EMF induced = flux×speed N ×no. of conductors60×no.of polesno.of…

Q: A flat-compound DC generator is used when an essentially unvarying voltage is required True False

A: In this question we will write about flat compound generator...

Q: Prove that in a DC generator the maximum efficiency is obtained when constant loss is equal to the…

A: Solution: The efficiency of a D.C generator is given by the formula,…

Q: A 100kW generator, 250V, 6 poles have a wave wound armature with 300 turns then the number of…

A: The solution can be achieved as follows.

Q: A long shunt compound generator supplies 29 A at 420 V. If the field resistance is 246 Q, the series…

A:

Q: A synchronous generator generates 350 V at 55 Hz when the field current is 3.7A. The e.m.f generated…

A: The solution is given in next step.

Q: A synchronous generator generates 370 V at 55 Hz when the field current is 4.4A. The e.m.f generated…

A: Generated emf of the synchronous generator is proportional to is frequency and current.

Q: The winding data for three different alternators are as follows 1. 60 slots, four poles, span 1 to 9…

A: We will find the pitch factor in each case as shown below.

Q: You are given a report that shows 2 different designs of a quadruple stage impulse generator…

A: Design "A" is more suitable for creating impulsive voltage waveforms than Design "B."

Q: A small 4-pole generator with a six-turn rotor coil generates the following voltage wave: e =…

A:

Q: Obtain the Thevenin equivalent at terminals a-b of the circuit in 42 120/75" V 120

A: Thevenin equivalent voltage across ab  By the help of voltage division rule main calculated Thevenin…

Magnetic Moment

The magnetic moment is defined as the alignment of a magnet and its strength when the magnet is creating a magnetic field. There are number of examples of the magnetic moment, few are a current carrying conductor in the form of coil, elements at microscopic levels like electrons and many more.