Two compound generators A and B, fitted with an equalizing bar supply a total current of 500A. the data regarding these machines are: Machine A Machine B Ra = 0.032 Rse = 0.042 Eg = 500V Ra = 0.02N Rse = 0.062 Eg = 490V alculate the following: a) Current through equalizing bar b) Bus bar voltage

Q: A generator is delivering power to infinite bus during post fault condition is 1.10 p.u at a power…

A: The solution can be achieved as follows.

Q: The diagrams show three generators. Which are alternating current Generators? coil rotation soft…

A: In a DC machine, the permanent magnet is used to generate the magnetic flux and a conductor is…

Q: a) A sinewave is having a frequency of 50 Hz and instantaneous value of 150 Volts at 1.4 milli…

A:

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: Explain the prime mover in diesel plant and it's energy conversion

A: Given: Explain the prime mover in diesel plant and it's energy conversion.

Q: Please write a short discussion for each number and explain.   1. Losses in a DC generator 2.…

A: Discussion about  1.Losses in a DC generator 2. Power stages in a DC generator 3. Efficiency of a DC…

Q: A 243.5 shunt Generator generates 4.5 Amps. Its Armature resistance is 1.1 Ohms. What is the…

A:

Q: The RMS value of current, if the value of armature current is 13 A, a = 53 degrees, and B = 159…

A: We need to calculate RMS value of given wave , we will use RMS formula.

Q: An alternator has 6 poles and runs at 1,000 rpm (a) what is its generated frequency? (b) What must…

A: (a) The speed of the alternator is given by the expression as shown below:  Ns=120fP Plugging the…

Q: Two generators having X 1= 0.2 P1-60, and ) 2 = 0.3P +40.

A:

Q: A 6 pole DC wave wound generator has 34 armature conductors with flux per pole is 20 mWb and the…

A: The data given in the question are: P=6, A=2, Z=34,ϕ=20mWB,Eg=53V The formula of generated voltage…

Q: Vin S₁ Primary Secondary winding winding L LM 1:N Figure 2 D1 RL

A: Here is the solution :(iii).As we seen from this circuit , if the switch S1 is ON then there is a…

Q: The gas turbine, diesel motor and steam turbine are called the of a generator to produce…

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Q: How can you tell that the power pumped by an alternator is directly proportional to the load angle?

A: Alternator pumped the active power into the system but it does not give guarantee to pumped reactive…

Q: Stator core of alternator is built up of steel sheet lamination of thickness between a) 0.35 mm to…

A: Stator core of alternator

Q: Which of the following statements are true? I-If an alternating current is applied to a winding, an…

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…

Q: v. With reference to an 50 Hz3 phase alternator explain how P,Q,V and F are controlled.

A: It is asked to explain the control of P (active power),Q (reactive power), V (voltage) and F…

Q: If it is desired to bring alternating current out of a generator, what kind of a "take-off" system…

A: If the alternating current is required from the generator a copper or brass rings are connected at…

Q: The DC shunt generator with the terminal voltage 300 V, armature drop 6 V and the each brush drop 4…

A: Please upload only one question at one time for better explanation

Q: Shunt generator running at 2000 rpm, if flux is reduced by half, then what is the new speed * 1000…

A: Let us find the new speed using the emf equation used in the case of dc generator.

Q: Q/Fore the d.c series motor loaded by d.c. generator, when the load resistance is high then the…

A: For the DC series motor loaded by DC generator, when the load resistance is high then the speed of…

Q: DC shunt generator has a terminal voltage of 191 V and armature current of 0A (under no load), then…

A:

Q: Select the most appropriate label for the type of d.c generator shown in the image below V Series…

A: In this question we need to find complete the given statement. In 2nd question we need to identify…

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) A rectangular pulse x(t) of width t= 8 msec. and amplitude A=10 V is centered at the origin in…

A: As per our company guidelines we are supposed to answer only first 3 subpart kindly repost other…

Q: If the flux of the DC motor is decreases then the Flux decreases O Supply voltgae increases O Line…

A: Last option is correct. The explanation is provided below.

Q: 5. A welder machine operates automatically as follows : 30A current in 10 seconds, 20A in 10 sec.,…

A: In this question we will find RMS value of given waveform....

Q: A short composite  motor  draw or pulls stream a current of 50 A at a voltage of 220 V it rotates at…

A: A short composite motor is nothing but a short shunt compound motor.  The given parameters for a…

Q: 11. The variation of generated voltage of AC Generator can be varied through a) the speed of the…

A:

Q: A 255 V, DC lathe machine, (not a 2 pole machine) has armature resistance and series resistance are…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: EXPLAIN BRIEFLY THE SYCHRONOUS ALTERNATOR WHEN OPERATING AT NO LOAD

A:

Q: Q2) Three shunt generators operate in parallel and supply a load current of 12000 A, connected…

A:

Q: What is the speed of a 100kW, 230V, three-phase, four-pole, 60Hz alternator? a. 450 rpm b. 900 rpm…

A: This is a problem of three phase alternator. The detailed solution is given in the next step

Q: A self excited DC generator has no residual flux, comment how it can be excited

A:

Q: n 8.2kW seriesd generator has an armature resistance is 0.25 ohms with a generated voltage equal to…

A: The above question is based on the DC generator. The major classification of DC generators is as…

Q: A short shunt compound generator has the following armature, series field and shunt field…

A:

Q: Leakage reactance of the machine is included in the armature reaction reactance in Magneto Motive…

A: Need to find true false

Q: The meter constant of a single phase 230 V, induction energy meter is 800 rev/ kWh. What will be the…

A: Given: For a single phase energy meter V=230 VI=20 Acosϕ=0.7 lagMeter constant=800 rev/kWh

Q: he power supplied to a three-phase induction motor is 20KW and the stator losses are 1000W. If ¤ ip…

A: Power input = 20kW Stator losses = 10000W If the slip =4% then copper losses?

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.