A shunt DC motor is supplied by 520V terminals voltage and is used to supply a mechanical load with rotating speed of 1000rpm. The armature is wave-wound and has 500 conductors. The useful flux per pole is 0.03Wb and there are 4 poles (2 pairs of poles). The armature resistance is 0.4 Ohms

Q: A dc generator has a field flux of 0.001 Wb and 4 poles. The machine operates with at shaft speed of…

A:

Q: A 6 pole, DC generator has a wave-wound armature containing 30 coils of 5 turns each. Its flux per…

A: Given- Number of poles P=6, DC generator- wave-wound armature, 30 coils of 5 turns each, Number of…

Q: discuss how the dc motor is used in washing machine

A: The answer as given below:

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

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Q: A DC motor takes an armature current of 100 A at 440 V. The armature circuit resistance is 0.3 0.…

A: Given a DC motor with, Armature current, Ia=100 A Terminal voltage, V=440 V Armature resistance,…

Q: Name the principal parts of a rotating electrical machine

A: Any electrical machine has divided into mainly two parts one is stator part and another is rotor…

Q: A dc motor having flux per mole of 0.05Wb, 6 ploes containing lap winding with 600 conductors. The…

A: The data given in the question is: Flux(ϕ)=0.05Wb, P=6, Z=600, N=500rpm, Ra=0.25 ohm, Ia=40A, lap We…

Q: In the DC shunt generator, the induced voltage in idle operation is 127V. Output voltage when loaded…

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Q: A wave wound armature of an eight-pole DC shunt generator has 51 slots, each

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Q: the relation between armature and field currents in a series connected DC motor is O It = If + la O…

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Q: A 220V, four pole, wave wound DC series motor has 1000 conductors on its armature. It has armature…

A: DC machines (Generator/ Motor) are the important parts of electrical drives. These machines are used…

Q: Explain the construction of AC serve motor, also draw its diagram.

A: Construction AC servo engines are fundamentally two-stage squirrel confine acceptance engines and…

Q: A 220 V DC series motor runs drawing a current of 30 A from the supply. Armature and field circuit…

A: It is given that:

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

A: The factor affecting the speed of the dc motor is as follows; N=V-Ia RaϕN= speed of dc…

Q: A 250 V series motor has an armature resistance of 0.2 ohm and a series-field resistance of 0.18…

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Q: what is the conclusion for the concepts of rotating amature and rotating field in an alternator?

A: There are two types of alternators are used one is rotating armature type and the other one is…

Q: A separately excited DC generator has six poles and is running at 1150 rpm. The armature has 120…

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Q: The voltage induced by a 6-pole DC generator running at 600 [RPM] with 100 slots on the armature and…

A: Given,  A DC generator has,  Number of poles,  p = 6  Speed of rotor,  N = 600 rpm  Flux per pole =…

Q: In a DC generator, the effect of armature reaction on the main field is to * reverse it O distort it…

A: - When current flows through the armature conductors, the flux is set up in the air gap. - The flux…

Q: A 900 rpm, 4 pole wave wound shunt motor takes 300 A. The flux per pole is 0.02 Wb and the armature…

A: back emf = Flux×speed×armature conductors60×No. of polesNo. of parallel paths. power developed in…

Q: A four-pole DC motor has a wave-wound armature with 600 conductors. The armature current is 45 A and…

A: We need to find out the power developed in given machine.

Q: The DC shunt generator with the terminal voltage 300 V, armature drop 9 V and the total brush drop 4…

A: Given: DC Shunt generator, Terminal voltage, Vt = 300V Armature drop, Ia.Ra = 9 V Total brush drop,…

Q: A 4 pole machine generates 250 volts when operated at 1500 rpm. If the flux per pole is 1.85 x…

A: It is given that: P=4Ea=250 voltsN=1500 rpmϕp-p=1.85×106 maxwell=1.85×106×10-8WbA=2no. of armature…

Q: The current drawn by 220 V dc shunt motor of armature resistance 0.5 ohm and back emf 200 V is

A: Given, A DC shunt motor having Supply voltage, V=220 V Armature resistance, Ra=0.5 Ω Back emf,…

Q: 459. The current drawn by a 460 V dc motor of armature resistance 0.5 ohm and back emf 420 V in

A: Given a dc motor with, Input voltage, V = 460 V. Armature resistance, Ra = 0.5 ohm. Back emf, Eb =…

Q: Speed control of a 140 V, 1.68 kW DC motor single phase thyristor full wave AC-DC

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

Q: When the DC machine is running under saturation condition, then flux per pole decreases due to…

A: Ans. True

Q: The DC shunt generator with the terminal voltage 350 V, armature drop 7 V and the total brush drop 4…

A: Given that  Terminal voltageVt = 350v  Armature voltage drop Va= 7v Brush dro VB = 4v

DC Generator

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