A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed?

Q: A 900 rpm, 6-pole generator has a simplex wave winding. There are 300 conductors on the armature.…

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Q: 6. Hysteresis loss depends upon a. the volume and grade of iron c. frequency of magnetic reversals…

A: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: When generator is being driven at 1200 rpm, the generated emf is 230V. What is the generated emf if…

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Q: T or F, modify the wrong part if False, please underline twice your answer if True or False.…

A: In this question we will write relation between field flux and current in dc series motor....

Q: An 8-pole dc generator with 778 wave connected armature conductors and running at 500 rpm supplies a…

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Q: A four pole shunt connected generator has a lap connected armature with 728 conductors The flux per…

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Q: 8. The armature and shunt field resistance of a 50-kW, 220 V shunt generator is 0.026 ohm and 52…

A: load current = load powerterminal voltage                      = 50000220                      =…

Q: When driven at 1000 r.p.m. with a flux per pole of 0.02 Wb, a d.c. generator has an e.m.f. of 200 V.…

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Q: Q2: Choose the correct answer. 1- The e.m.f generated in DC generator is directly proportion to (a)…

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Q: DC compound machine; a) Explain how it works as an engine. b) Explain how it works as a generator.…

A: As there are several questions and we are asked to solve one question at a time. So please mention…

Q: ih 16 A 2-pole d.c. shunt generator has a useful flux per pole of 0.03 Wb. The armature winding…

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Q: 16 A 2-pole d.c. shunt generator has a useful flux per pole of 0.03 Wb. The armature winding consist…

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Q: Publem #5: The eddy current loss of a dc machine is 300 W when the flux per pole is 30 mWb and the…

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Q: 1. A d.c generator is found to develop an armature voltage of 200 V. If the flux is reduced by 25%…

A: "Since you have posted multiple questions, we will solve the first question for you. To get the…

Q: Q10. The e.m.f. generated in a D.C. generator is directly proportional to (a) Flux/pole (b) Speed of…

A: Emf equation of DC Generator: Eb = PΦNZ / 60A

Q: Q2/ The open circuit voltage of a separately excited de generator when running at a constant speed…

A: Initial speed of the generator (N1) = 2000 r.p.m The generated e.m.f, Eg1 = 122 V Load voltage (V) =…

Q: A 3-phase, 6-pole, 60-Hz, Y-connected AC generator has a stator with 48 slots, each slot contains 20…

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Q: when a generator is being driven at 1200rpm, the generated emf is 230V. What is the generated emf if…

A: Given,  Speed of the generator (N) = 1200rpm Generated emf (E1) = 230V Let the initial field flux be…

Q: A speed indicating device consist of a 2pole permanent magnet DC generator with a 2000 ohm DC…

A: The power system consists of power generation, transmission, and distribution. The transmission…

Q: The hysteresis losses and eddy current losses in a dc machine running at 1000 rpm are 250 W and 100…

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Q: How much work could be performed by a 5968 W (8 hp) motor in 9 hours?

A: Work done = Energy = Power *time(in sec) just put the value in the formula

Q: Q2\A/ A 8-pole de generator has 500 armature conductors and a useful flux of 0.05 wb. What will be…

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Q: The factors effecting the speed of dc motor are The flux p and the voltage across the armature the…

A: This is a simple problem based on dc motors specifications. In this we are given two questions ,…

Q: four pole machines generates 250V when operated at 1500 rpm. If the flux per pole is 1.85 x 106…

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Q: A 3-phase, 60 Hz, Y-connected, AC generator has a stator with 60 slots, each slot contains 12…

A: AC generators are used to generate electrical energy. It converts mechanical energy in the shaft to…

Q: Which of the following represents the rotating losses of machine? Select one: O a. "Hysteresis…

A: Iron losses basically consist of two types namely eddy currents loss, hysteresis loss. The iron…

Q: A 8 pole long shunt DC compound generator ruining at 1200 r.pm , supplies a load of 0,255 KA at 230…

A: We known that  Emf generated is directly proportional to flux and speed of genrator . If we reduce…

Q: 15.The difference between input and l'R loss will give the a) Friction loss b) Windage loss c) Core…

A: In this question we will write about dc motor torque dependness and core loss in machine etc...

Q: . Explain the self excited DC Shunt generator with its voltage equation

A: The shunt generator divided in two parts, self-excited dc shunt generator separately excited dc…

Q: C compound machine; b) Explain how it works as a generator.(in detail

A: DC generators are not as common as they used  to be, because direct current, when required, is…

Q: "The lap connected armature of a 2-poles, 750 rpm DC generator has 50 slots. Each coil has 3 turns…

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

A: As per the guidelines, we supposed to answer one question at a time so please ask other questions…

Q: when

A: In this question, self excited generator is given...Open circuit voltage and field current is…

Q: How would you reverse the polarity of a self-excited DC generator

A: In this question we will write How would you reverse the polarity of a self-excited DC…

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

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Q: 1. Calculate the flux in a 2-pole dynamo with 722 armature conductors generating 250 V when running…

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Q: 7x10 x 1020 x 1500 E, = 178.5 V %3D 60 Example 26.9. An 8-pole d.c. generator has 500 armature…

A: The solution  is given below

Q: 4. The commercial efficoency of a shunt generator is maximum when Its variable os equals...loss, a.…

A: The answer for question 4 is option a) constant. The answer for question 5 is option d) either a or…

Q: A DC machine has total armature ampere conductors of 4500 and total flux in the machine is 0.14 Wb.…

A: we need to determine torque.

Q: A separately excited generator when running at 1201 rpm supplies 178 A at 138 V to a circuit of…

A: In this question,  What is terminal voltage if speed N= 1086rpm,  Armature current Ia= 178A at 138V,…

Q: Q8) A two-pole de generator has an armature containing a total of 40 conductors connected in two…

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

Q: Q3 A 250 V shunt motor runs at 1000 r.p.m. at no-load and takes 8 A. The total armature and shunt…

A: Given: Shunt motor with V=230 VN1=1000 rpmI0=8 ARa=0.2 ΩRsh=250 ΩI=50 A Flux is constant

Q: Q 5. A wave-wound armature of a 6-pole generator has 51 slots. Each slot contains 20 conductors. The…

A: As per Bartleby guidelines we are allowed to solve only one question,please ask the rest again.

Q: A 6 pole DC lap wound generator has 34 armature conductors with flux per pole is 48 mWb and the…

A: Choose the correct option  6 pole DC lap wound generator armature conductors 34  flux per pole = 48…

Q: Q2 : What the important characteristics of a d.c. generator explain briefly.

A: The important characteristics of DC generator are as follows: 1) Open circuit characteristics : This…

Q: A d.c. generator generates an e.m.f. of 520 V. It has 2,000 armature conductors, flux per pole of…

A: In this question we will find no of poles....

Q: A D.C. shunt wound generator running at constant speed generates a voltage of 120V at a certain…

A: Given flux is directly proportional to field current  Field current reduced by 10%. That mean new…

Q: A 4-pole machine running at 1500 r.p.m. has an armature with 90 slots and 6 conductors per slot. The…

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Q: Q1: A d.c. shunt-wound generator running at constant speed generates a voltage of 150 V at a certain…

A: In this question dc shukr generator is given..We have to find out change in generated voltage when…

Q: An 8 pole, simplex lap wound, shunt generatoe has 800 conductors and a flux per polw of 0.025Wb. The…

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

Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.