A 1000rpm DC shunt generator is supplying 100 lamps of 60W at 230V, the armature and field resistance are respectively 0.1Ω and 115Ω.Calculate the generated emf. a. 232.809 V b. 222.809 V c. 212.809 V d. 242.809 V

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: A 230V shunt generator has a field resistance is 23 ohms and an Armature resistance is 1 ohm. It…

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Q: The armature reaction of DC machines is less under no load condition. Select one: O True O False

A: Armature reaction is the effect of armature fluxon the main field flux. Armature flux is due to…

Q: The induced voltage in dc motors beyond the pole edges is Select one: O a. infinity Ob. 180 V OC.…

A: induced voltage=eind=(BxV).leind=(BxV).leind=BVlSinθB=Magnetic feildV=Velocityl=Lengthθ=angle…

Q: A single-phase 111-V, 50-Hz supply is connected to a coil with 200 turns of a coil-core assembly as…

A: Given- Single-phase 111-V, 50-Hz supply, E=111 V, Frequency f=50 Hz, Number of turns N=200, To Find-…

Q: A4 The field of a DC shunt generator is excited by al separate DC supply b) separate AC supply c)…

A: The field of DC shunt generator is excited by the generator itself. The equivalent circuit is as…

Q: A dc short shunt compound generator delivers 20 kW to a load at 500 V. The armature, series field…

A: In this question we need to find a power developed in armature .

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: Stationary part in a DC machine is called A5 a) rotor b) commutator c) stator d) none of these

A: In this question we will write about stationary part in a DC machine....

Q: At rated voltage, a 125 kw, 300-V long shunt compound system provides power with a stray power loss…

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Q: the circuit shown in the figure, a voltage with a peak value of 212.16 V is applied to the input of…

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Q: active elements/conductors

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Q: .Draw the logic diagram for the given Boolean equation using only NOR gates. Use as few gates as…

A: Given Boolean equation F=A’B’+CD we have to draw the logic diagram using NOR gate

Q: The armature of a shunt generator has 0.08-ohm effective resistance. Each brush has an effective…

A: In a shunt generator is having, Armature resistance, Ra=0.08 Ω. Resistance of each brush, Rb=0.02 Ω…

Q: Example 1: The stator of a 30 , 2-poles machine has 18 slots and a double-layer winding. The coils…

A: Machines comprise 3 phases, 2 poles having 18 slots with double layer winding. so here  The phase is…

Q: .A 230 V dc series motor has Ra=0.22, Rf=0.12. The motor draw 40A at rated speed and 1000 RPM. Find…

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Q: Q10. The rotating machine of Figure Q10 has the following parameters: Lss = 0.18 H, L = 0.06 H, and…

A: Given Source A=2.5 A (DC) Source B =8.5 A(rms), 50 Hz   peak values are Source A=2.5 A Source B=8.52…

Q: A long shunt compound generator supplies 29 A at 420 V. If the field resistance is 246 Q, the series…

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Q: The armature reaction of the DC generator reduces the generated EMF. Select one: O True False

A: Choose the correct option The given statement The armature reaction of the DC Generator reduce the…

Q: Q-2.B. Explain what are the principle operation of alternators ?

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Q: current through the armature of a motor changes from +3.0-A to - 3.0-A in 0.0030 s. A 104- V induced…

A: We need to find out the inductance for given Change in current

Q: 4. A d.c. generator running at 25 rev/s generates an e.m.f. of 150 V. Determine the percentage…

A: It is given that:

Q: Q10. The rotating machine of Figure Q10 has the following parameters: Lss = 0.18 H, L = 0.06 H, and…

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

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Q: Armature windings in ac generators are same as those used in DC machines Select one: O True O False

A: Armature is a conductor which carries the current.

Q: Two shunt generators are connected in parallel to supply a current of 1500A. Each machine has a…

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Q: n 8.2kW seriesd generator has an armature resistance is 0.25 ohms with a generated voltage equal to…

A: The above question is based on the DC generator. The major classification of DC generators is as…

Q: Due to an armature reaction in DC mach the generated volt is O Decrease O Increase or decrease O…

A: In this we will write about generated voltage in dc machine due to armature reaction...

Q: The armature of a shunt generator has 0.05 ohm effective resistance. Each brush has an effective…

A: It is given that: Ra=0.05 ΩRb=2×0.01 Ω=0.02 ΩVt=100 VIL=40 A

Q: In a given DC motor, the output power is 20 HP, and the rotational losses are 1.1 KW. If the motor…

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Q: 57. One of those listed is not a type of de generator winding A drum D. lap B progressive C. gramme…

A: 1)  The correct answer is magnetic starter. Explanation: It is a device originated to supply power…

Q: A separately-excited dc generator develops running at 1189 rpm at a certain flux generate a certain…

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Q: A short shunt compound generator has an armature, series field and shunt field resistances of 0.05Ω,…

A: For short shunt emf in armature is sum of terminal voltage and drop in line resistance and armature…

Q: A shunt generator delivers 1,000 W at 149 V to a load. If the armature resistance is 0 ohm, and the…

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DC Generator

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