Problem #3: A 4-pole dc generator has 124 simplex lap coils each having two turns. The flux per pole is 0.015 Wb. Calculate the dc voltage appearing across the brushes when running at 1500 rpm in a steady field.
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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…
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Q: c) The O.C.c. of a DC shunt generator running at 300 rpm is as follows. Ir (A) Eo (V) 3 5. 6. 7 7.5…
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Q: Shunt generator running at 2000 rpm, if flux is reduced by half, then * what is the new speed 1000…
A: Given:- Shunt Generator with speed 2000rpm and it's flux being reduced to half.
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Q: The emf generated by a dc generator depends upon both the flux and speed. Select one: O True O False
A: emf equation of the dc generator is as follows Eg = ∅ZPN60A
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A: We have given the following problem
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Q: A separately-excited DC generator has a magnetization curve shown in Figure 1. What is the…
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Q: A D.C. shunt wound generator running at constant speed generates a voltage of 120V at a certain…
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Q: Shunt generator running at 2000 rpm, if flux is reduced by half, then what is the new speed O 1000…
A: The solution can be achieved as follows.
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- A lap connected 6 pole DC generator has an armature conductors of 500 and is driven at 600 rpm. If the flux per pole is 15 mWb, then the generated e.m.f is, Choose correct answer : A) 75 V B) 100 V C) 250 V D) 225 VA lap connected 6 pole DC generator has an armature conductors of 500 and is driven at 600 rpm. If the flux per pole is 15 mWb, then the generated e.m.f is,؟ 250 V 225 V 75 V 100 VA seperately excited DC generator has a no load voltage of 127 V, Ra= 0.02 ohm and Rsh=15 ohm. Find the armature current when the generator terminal voltage is 120 V on load.
- An 8-pole lap wound DC generator has 120 slots having 4 conductors per slot. If each conductor can carry 250 A and if flux per pole is 0.05 Wb, calculate the speed (rpm) of the generator for giving 240 V on open circuitThe total flux per pole in the air-gap of a 50-Hz alternator is 0.06 Wb. The flux-density distribution is given by T. The coil-span is 4/5 of a pole pitch. Determine the rms emf per armature turn. Find also the emf per armature turn when the flux were assumed to be sinusoidally distributed.A) A generator has the following ratings: 6-poles, 50 Hz, 33 KV, 80 MW and a 0.9 power factor lag. Find the constant of inertia in (MJ / MVA), if the machine rotor is 10000 Kg-m?
- ASAP a.) In a separately excited dc generator, if the current in the field winding increases, the terminal voltage of the machine _______. b.) If the value of the field flux in a dc generator increases, the generated emf will ________. choices: increase, decrease, the same, zeroHow many poles should a 60-Hz generator have, if it is connected to a turbine operating undera design head of 3000 ft with a flow of 82 cubic feet per second? Assume turbine specific speedand efficiency of 3 rpm and 84% respectively.An 8-pole dc generator with 778 wave connected armature conductors and running at 500 rpm supplies a load of 12.5 ohms resistance at a terminal voltage of 50V. The Ra = 0.24 ohm and Rsh = 250 ohms. Find the flux per pole.
- a four pole dc generator has an armature winding containing a total of 648 conductors connected in 3 parallel paths. if the flex pole is .321x10^6 maxwells. and speed is 1800 rpm. calculate the average generated voltageA synchronous generator is connected to a pure capacitive load. The field excitation is kept constant and the stator resistance is assumed negligible. Explain, with the help of phasor diagram(s), how the generator’s terminal voltage will vary when the capacitive load is increased while the power factor is kept constant.A separately-excited DC generator with magnetization curve shown below (Figure 1) is driven by a prime mover at 1500 rpm. The armature resistance is 0.1 ohms. What is the internal generated voltage of this generator if VF = 15 Vdc and RF = 2.44 Ω (combined field winding resistance and variable resistance)?