The condition for maximum efficiency of DC generator is given by - Choose

Q: A long shunt compound dc generator delivers a load current of 69 A at 396 V and has armature, series…

A: First we will find shunt field current using following formula  Ish =Vt/Rsh. For generator, Armature…

Q: Draw voltage phasor diagrams for different load cases of salient pole synchronous generators and…

A: Here it is asking to draw the voltage phasor diagrams for different load cases of salient pole…

Q: In a long-shunt compound generator, the terminal voltage is 220 V when generator delivers 110 A.…

A:

Q: Which of the following factor is responsible for negative voltage regulation of a DC generator?…

A: Voltage Regulation :- It is defined as the ratio of change in full-load voltage from no-load voltage…

Q: 6) The differential compound generator has a sharp dropping load characteristics because its…

A: Ans . False

Q: We use stroboscope to calculate the torque of three- phase induction motor?* True False

A: Scroboscope is used to measure the speed of induction motor.

Q: In DC shunt generator the type of current flows in field winding is AC whereas in armature winding…

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Q: A 90-MVA 69.3-kV, three-phase synchronous generator has a synchronous reactance of 10 Ohms/phase and…

A: In this question we need to find power delivered by genrator , armature current and power factor

Q: Can an induction motor work as a generator ? Why ?

A: An AC motor is an electrical machine that takes AC electrical input energy and produces mechanical…

Q: A 1000 kVA, 6.6 kV, 3-phase star connected cylindrical pole synchronous generator has a synchronous…

A: Given values are - S=1000kVAVt=6.6kVXs=20ohmUnity power factor.cosϕ=1

Q: A. A 20KW, 440V, SHORT SHUNT COMPOUND DC GENERATOR HAS FULL LOAD EFFICIENCY OF 87%. IF THE…

A: NOTE: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: : in DC generator how can get the output voltage more than no-load voltage? which type of connection…

A: A DC machine is classified in two types. DC motors DC generators Above question is based on DC…

Q: Explain the working principle of the asynchronous generator.   please write the answer with…

A: Asynchronous Generator:                  A single induction machine can be used as an induction…

Q: Explain the concept of load transfer between the DC generators operating in parallel using load…

A: to explain the concept of load transfer between the DC generators operating in parallel using load…

Q: 5- Why should the terminal voltage drop more in the case of shunt generator than in the case of…

A: NOTE :- As per out rule we’ll answer the first question since the exact one wasn’t specified. Please…

Q: 4- Is there a great difference between long and short shunt compound generator, show that?

A: Compound Generator: The generator which have both shunt fields and series fields is called the…

Q: 1. In DC series generator field winding and armature winding are connected parallelly. Select one:…

A: Field winding is used to produce the required flux in self excited motors.

Q: Which of the following factor is responsible for negative voltage regulation of a DC generator?…

A: In DC  under compound generator, the series winding under compensates the shunt field, the output…

Q: The effect of the capacitor on the operation of the asynchronous machine as a generator what? Please…

A: The asynchronous machine acting as a generator is a type of induction machine. The rotor of such…

Q: 3.A single phase AC generator has an armature winding resistance and reactance of 0.25 ohm and 2.5…

A:

Q: Why the power factor of three-phase induction motor low at no-load and increase as applied load…

A: Power factor is define the cosine of power factor angle.  So Why the power factor of three-phase…

Q: A 100KVA, 6.6 kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as…

A: Given: A 100KVA,6.6kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as…

Q: a) Explain the main components of AC generator? b) What conditions are necessary for paralleling two…

A: Introduction: Generator is the machine that converts mechanical energy in to electrical energy.…

Q: 4-A long shunt compound DC generator delivers a load current of 150A at 230V and has armature,…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the other question…

Q: ndard practice of synchronous generator construction now a days is to ndrical field ating armature…

A: These are the few questions related to the basic understanding of alternators their construction and…

Q: A 400KW 600 volts long shunt dc compound generator has a shunt field resistance, armature resistance…

A: Introduction There are two sets of the field winding on each pole in a compound wound generator.…

Q: A 4 pole dc shunt generator with a shunt field resistance of 100 ohm and an armature resistance of 1…

A: We have given;pole P=4shunt filed resistance=100Ωarmature resistance=1Ωz=378flux per pole…

Q: Question 4 a) The losses in a synchronous machine affect its cost, rating, and performance. With aid…

A: NOTE: Since you have posted multiple independent questions in the same request, We will solve the…

Q: Q1// long shunt compound generator supplies 600 KW, 1200V shunt field resistance =75 0, armature…

A:

Q: (a) A short shunt cumulative compound dc generator supplies 6kW at 230V. The Shunt field resistance…

A:

Q: A 25kVA, 3-phase, wye connected, the 400-V synchronous generator has a synchronous reactance of 1.6…

A:

Q: In SPEED CONTROL OF 3 PHASE INDUCTION MOTOR [V/F METHOD] Why is kept constant in this expression?

A: SPEED CONTROL OF 3 PHASE INDUCTION MOTOR

Q: A 250-V dc short-shunt generator has armature, series field and shunt field resistances of 0.1234 Ω,…

A: Use short shunt generator equivalent model and KVL to find the currents Then use the values to find…

Q: What is meant by build-up of a generator ? (DC GENERATOR QUESTION)

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Q: 230 induced omf tion of this p ower. In a short conpound generator, the terminal voltage is…

A: Calculating shunt current If=VTRfIf=230 V92 ΩIf=2.5 A Calculating armature current…

Q: A 100KVA, 6.6 kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as…

A: KVA = 3VLIL 100×1033×6.6×103=IL IL=8.747 A

Q: Differentiate Synchronous and Induction Generator

A: Given that  Differentiation synchronous generator and induction generator

Q: Problem 6 a. What conditions must be satisfied before a generator can be operated in parallel with…

A:

Q: In induction motors What is the difference between nominal, rated , nominal conditions,free shaft…

A: Here it is asked to mention the difference between nominal conditions, free shaft conditions and…

Q: 2- How can you differentiate between the excitation system of a DC series generator and that of a DC…

A: DC series generator In this type of dc generator, the excitation winding is connected in series with…

Q: A three phase, synchronous generator ed at reactance of 1.2 ohm /phase, and an armature resistance…

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Q: 1. How does loading of the Generator affect the Generator’s Terminal Voltage (VT) and Load Current…

A: When we increase the loading value, then it draws more current. Let's draw the general circuit…

Q: Under transient conditions, where short circuits at the generator terminals, the flux linkages with…

A: Short circuit of synchronous machine Under short circuit condition armature reaction of synchronous…

Q: A shunt generator supplies a 33kW load at 225V through cables of resistance, R = 100mΩ.  If the…

A:

Q: True False In self-excited DC generator, the residual flux is primary condition in e.m.f generation…

A: 1. The back e.m.f opposes the supply voltage. The supply voltage induces the current in the coil…

Q: Draw the block diagram of a DC Generator?

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Q: Q2: A500 kW, 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of…

A: the magnetic neutral axis usually shifts in the same direction as of generator and opposite in the…

Q: A long shunt compound DC generator delivers a load current of 150A at 230V and has armature, series…

A: In the DC long shunt compound generator  Find the induced power ?  Total generated power?  Total…