A shunt generator supplies 100 A. at 200 V. The armature and shunt field resistances are 0.025Ω and 100Ω, respectively. If the copper losses are equal to the iron losses at this load, find the brake horsepower of the engine driving the generator.

Q: In a resistive inductive circuit, if PF is 80% and the circuit consumes 1234 Watts, what is the…

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Q: Ques Mechanical energy is supplied to a d.c. at the 32.2 A at ROV. rode of 4200 Jls. The generator…

A: It is given that:Mechanical energy supplied = 4200 J/sCurrent (I) = 32.2 AVoltage (V) = 120 V

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 Step-down transformer is given and calculate 5:1 120 V 60 Hz V2 1 k? i. Peak load and D.C. load…

A: Since it is a step down transformer therefore V2<V1 and number of turns in primary will be…

Q: generator is rated 100 MVA at 11 kV, and 90% power factor. The effective ac resistance to ohmic…

A: (Nothing is mentioned about whether the generator is 3 phase or 1 phase ,so iam taking 1 phase…

Q: In a 500/250 V d.c. 3-wire system, there is a current of 2000 A on the +ve side, 1600A on the…

A: What is three wire DC system? A three-wire DC system has two outer wires and a neutral, or middle,…

Q: * Magnetic flux of D=0.0033 Wb induces 216 V in the phase of an induction motor stator winding with…

A: In this question we will find no of turns in winding....

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

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Q: If magnetie ines of force are paralal to araa narmal line, the thux is Normal lise O zaro O AB o all…

A: The correct answer is ZERO

Q: The emf generated by a dc generator depends upon the flux only. Select one: O True False

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Q: Show that a 1% change in flux is approximately equivalent to a change of 0.01 in magnitude.

A: The solution is given below

Q: The current flows in the windings of the DC machine which causes the O Ohmic loss O Eddy current…

A: Given :    Generally DC machines are those circuits which will converts the electrical energy into…

Q: was established or he ban, Dam based on the below in Formati. Height of dam)=2 lom Flow rate)= 80…

A: It is given that: Height of dam=h=210 mFlow rate=Q=80 m3/sg=9.81 m/s21 m3 of water=1000…

Q: 1. Differentiate an Elemental Semiconductor from a Compound Semiconductor. Explain one advantage of…

A: Semiconductor- semiconductor are the element whose conductivity lies between conductivity of…

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

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Q: The magnetic structure in the figure below is made of silicon steel. Determine the values of IB…

A: Note: Relative permeability (μr) for silicon steel is not given . We assume μr = 2000     Given: NB=…

Q: B)-A DC generator has Ra=0.12, Rs=0.502, VT-250V, I₁=100 find Ea= and copper losses

A: In this question we need to find a induced emf and copper loss in generator

Q: When one coil of magnetically coupled pair has a current of 5 amperes, the resulting flux ,=0,4 mWb…

A: In this question we need to find a inductance of coil 1.

Q: Given: three phase alternator P= 12 poles conductor of each phase in series Wye Connected coil span…

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Q: A shunt generator delivers 4.5 Amperes at 230 V and the resistance of the shunt and the armature are…

A: Given: In the above given question they are discussing about a stunt generator circuit. The value of…

Q: Is the equilibrium point C stable? Please describe your answer Load torque TL1 A Motor torque T Load…

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Q: Q2: Consider the rectangular loop shown in Figure below. Calculate the torque? X Z Bo=-0.6a, +0.8a,…

A: The magnetic field, B→∘=-0.6ay+0.8az T The current flowing in the loop, I=4 mA

Q: The following questions refer to to a 6-pole DC generator has a simplex lap-wound armature…

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Q: In a certain magnetic circuit, the core is represented two reluctances as shown below. Assume a…

A: The magnetic circuit diagram is shown below, Number of turns, N=640 turns.Current, I=2.2 A.

Q: Exercise 5 The magnetization curve for a separately excited de generator is shown in Figure 1. The…

A: Given information about a separately excited DC generator is Rated output voltage is Vt=120 Volt.…

Q: wo de shunt generators, each with armature resistance 0,02 ohm and field resistance of 50 ohms run…

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Q: Find whether the given statements are true or false, and do justify the following statementThe…

A: According to the question, we need to find whether the given statement is true or false."The…

Q: An altemator is required to generate a line voltage of 415 V on an open circuit. If the machine is a…

A: Given,  An 3 phase star connected alternator has, Line to line generated voltage (EL)=415 Volts…

Q: 12 28 24 24 23 20 14 2000 5000 Magng A transformer core with an effective mean path length of 0.3 cm…

A: Magnetizing intensity can be calculated as,

Q: 4- A 4-pole generator has a wave-wound armature with 722 conductors and the armature current is 60…

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Q: In a closed loop, the direction of the current is independent whether the flux is increasing or…

A: According to Faraday's and Lenz's law Negative sign indicates the induced emf in the loop creates a…

Q: The voltage induced in a generator is 110 V when the armature rotates at 1100 r/min. What will the…

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Q: The shaft of a three-phase synchronous generator is rotating at 3000 RPM synchronous speed. This…

A: In this question , we will find efficiency of generator.....

Q: The hysteresis loss of a dc machine is 300 W when the flux per pole is 30 mWb and the machine is…

A:

Q: The shaft of a three-phase synchronous generator is rotating at 3000 RPM synchronous speed. This…

A: Principle of Machine: In any electrical machine either it's a DC machine or AC machine, the EMF in…

Q: The resistance of the field of a shunt generator is 30 Ohms. Determine current in the winding when…

A: Given that  voltage across shunt field winding (V)  = 115V resistance of shunt field (R) winding =…

Q: The shaft of a three-phase synchronous generator is rotating at 1800 RPM synchronous speed. This…

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

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

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Q: The field winding of a d.c. motor is connected to a 110V supply. At a temperature of 18°C, the…

A: Given: Voltage, V=110V At a temperature of 18°C, the current drawn is 0.575 A. T1=18° and I1=0.575A…

Q: Frictional loss is under what losses : A) None of these  B) mechanical losses  C) Copper Losses…

A: Frictional loss is under mechanical losses.

DC Generator

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