A 200V dc shunt generator can deliver 10 kW at half load with efficiency of 83 %. If the armature resistance is 0.05 ohms and shunt field resistance of 50ohms. What will be the efficiency of the generator when running at full load?
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A 200V dc shunt generator can deliver 10 kW at half load with efficiency of
83 %. If the armature resistance is 0.05 ohms and shunt field resistance of 50ohms. What will be the efficiency of the generator when running at full load?
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- Name three factors that determine the torque produced by an induction motor.A 200V dc shunt generator can deliver 10 kW at half load with efficiency of83 %. If the armature resistance is 0.05 and shunt field resistance of 50. What will be the efficiency of the generator when running at full load?A 110V shunt generator has a full load current of 100A, shunt field resistance of 55 ohms and constant losses of 500W. If full load efficiency is 88%, find the armature resistance. Assuming voltage to be constant at 110V, calculate the efficiency at half load. Find the load current.
- The armature winding resistance of a long shunt connected DC generator is 0.4ohm, the resistances of the shunt and serial field windings are 125 ohms and 0.1 ohms, respectively. While the generator supplies 8KW of power to the load it feeds, which is the voltage it produces since the output voltage is 250V?A separately excited generator,when running at 1000rpm supplied 200A at 125V. What will be the load current when the speed drops to 800rpm if current is unchanged? Given the armature resistance of 0.04 ohms and brush drop of 2V.A 10 kW shunt generator having an armature circuit resistance of 0.75 ohm and a field resistance of 125 ohm, generates a terminal voltage of 250V at full load. Determine the efficiency of the generator at full load, assuming the iron, friction and windage losses amount to 600W.
- A 110-V shunt generator has a full-load current of 100 A, shunt fieldresistance of 55 Ω and constant losses of 500 W. If F.L. efficiency is88%, find armature resistance. Assuming voltage to be constant at 110 V,calculate the efficiency at half F.L. And at 50% overload. Find the loadcurrent. Write the answer neatly.A shunt generator delivers full-load current of 200A at 240V, the shunt field resistance 60Ω and full load efficiency of 90%. Determine the armature resistance.A 110-V shunt generator has a full load current of 100 A, shunt field resistance of 55 Ω and constant losses of 500 W. If F.L. efficiency is 88%, find armature resistance. Assuming voltage to be constant at 110 V, calculate the efficiency at half-F.L. and at 50% overload. Find the load current corresponding to maximum efficiency.
- A 50 kW, 220 V, dc shunt generators has an armature resistance including brushes of 0.026 ohms. If the shunt field resistance is 52 Ω. Find the induced emf at rated load.A separately excited generator has no-load voltage of 125V. A certain load rated at 1200W, 120V is then connected at the terminal. Calculate the series resistance needed to connect to the armature circuit in order for the load to operate at rated condition if the armature resistance is 0.0692Ω.A DC shunt generator has a full load output of 10kW at a terminal voltage of 240V. The armature and the shunt field winding resistances are 0.6 and 160 ohms respectively. The sum of the mechanical and core-losses is 500W. calculate the power required in kW at the driving shaft at full-load, and the corresponding efficiency and voltage regulation