2. A 50 kW, 500 V short shunt generator has an armature resistance, series field resistance and shunt field resistances are 0.05 ohm, 0.06 ohm and 100 ohms respectively. What is the efficiency of the generator if the iron and friction losses is 1000W?
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Q: A 50 kW, 500 V short shunt generator has an armature resistance, series field resistance and shunt…
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A: Since you have posted the multiple questions so we are supposed to answer the 1st one. Q2)
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A: The solution is given below
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A: We need to find generated emf and terminal voltage for given generator
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- A 50 kW, 500 V short shunt generator has an armature resistance, series fieldresistance and shunt field resistances are 0.05 ohm, 0.06 ohm and 100 ohmsrespectively. What is the efficiency of the generator if the iron and frictionlosses is 1000W?A shunt generator has an output of 22 kW at a terminal voltage of 220 V. armature and shunt field resistances are 0.05 ohm and 44 ohms, respectively. If the copper loss is equal to the core, friction and windage losses at this load, the over-all efficiency of this generator is nearest toA 6-pole generator has a lap-wound armature with 40 slots with 20 conductors per slot. The flux per pole is 25mWb. The terminal voltage is 288 V and the voltage regulation of the generator is 4%. Determine the speed of the generator. (5)
- The armature of a 12 pole DC shunt generator has 50 slots and is wave wound with 12 conductors per slots. The generator is running at a speed of 625 rpm and supplies a resistive load of 15 ohms at a terminal voltage of 300V. The armature resistance is 0.5 ohms and field resistance is 60 ohms. Find the armature current, the generated EMF and the flux per pole.Problem: A self-excited shunt generator has a field resistance of 52 ohms. When the generator delivers 7 kW, the terminal voltage is 6 V, while the generated emf is 7 V. Determine the armature resistance in ohm.A certain generator has armature resistance of 0.080 Ω and develops an induced emf of120 V when driven at its rated speed. What is its terminal voltage when 50.0 A is beingdrawn from it?
- the armature of a 12 pole wave wound dc shunt generator has 50 slots with 12 conductors per slot. the generatoris running at a speed of 625 rpm and supplies a resistive load of 15 ohm at a terminal voltage 350v. the armature and the field reisitance are0.5 ohm and 70 ohm respectively. find the armature current,generated emf and flux per poleIn a 110 V compound generator, the resistance of armature, shunt and series field winding are 0.06 Ω, 25 Ω and 0.04 Ω respectively. The load consists of 100 lamps, each rated as 55 W at 110 V. Find the total electromotive force and armature current when the machine is connected as (i) long shunt and (ii) short shunt.A shunt generator has a field resistance of 120-16 π, When the generator delivers 8 kW, the terminal voltage is 110 V, while the generated EMF is 122 V, Determine: a) The armature resistance, and b) The generated EMF when the output is 3 kW at terminal voltage of 130 V.
- 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)?Calculate the flux per pole required on full-load for a 50 kW, 450 V, 8-pole, 600 r.p.m. d.c. shunt generator with 256 conductors arranged in a lap-connected winding. The armature winding resistances is 0.1 Ω, the shunt field resistance is 200 Ω and there is a brush contact voltage drop of 1 V at each brush on full-load.The following questions refer to a 6-pole DC generator has a simplex lap-wound armature containing 288 coils of 10 turns each. The resistance of each turn is 0.01 Ω. The flux per pole is 0.006 Wb. a.How many parallel paths does the armature of the generator have? b.How many turns does each path have? c.What is the resistance of each path in ohms? d.What is the speed of the generator's prime mover in RPM if it is generating an output voltage of 230.4 V? please help me answer this correctly with solution so that I can study it. Thank you!