Q1 \ A d.c series generator has armature resistance of 0.5 Q, and series field resistance of 0.032 .It drives aload of 50 A. if it has 6 turns\coil and total 540 coils on the armature and is driven at 1500 r.p.m., calculate the terminal voltage at the load. Assume 4 poles, lap type winding, flux per pole as 2 mWb and total brush drop as 2V.
Q: 11. A 20 kW, 440-V, short-shunt, compound d.c. generator has a full-load efficiency of 87%. If the…
A: Given: A short-shunt compound dc generator whose efficiency is 87%. According to question: The Load…
Q: 04 2 respectively. The load current is 100 A at 120 V. Find the induced e.m.f. and the armature…
A: SOLUTION- a) Long shunt load voltage V = 120 Vload current IL = 100 A Ra = 0.062 ohmRse =…
Q: A 480 V, 50 Hz, Y-connected six-pole synchronous generator has a per-phase synchronous reactance of…
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
Q: A three-phase Y-connected synchronous generator has rated values of 90 MVA, 15 kV, 0.6 reverse power…
A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…
Q: At standstill, the impedances of the inner and outer cages of an induction motor are Z, = 0.02 + j2…
A: The impedance of the inner cage at the slip s is given as, Zi=0.02+j2 ΩZI=0.02s2+22 The impedance…
Q: Q1: A long shunt compound generator, the terminal voltage is 250 V when generator delivers 140 A.…
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Q: 4- A 240V d.c series generator has an armature resistance of 0.1 Ώ and shunt field resistance of 10…
A: Given: A 240V d.c series generator has Armature resistance, Ra=0.1 ΩField resistance, Rf=10…
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A: This is an easy question based on long shunt compound generator . In this we are having values of…
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Q: A500 kW, 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of…
A: The electrical shift of brushes is measured from the GNA axis. when there is no shift from GNA then…
Q: A short-shunt d.c. compound generator supplies 250A at 50V. The r shunt field windings are 0.02,…
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Q: A long-shunt d.c. compound generator supplies 60A at 110V. The resistance of armature, series field…
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Q: :A 4-pole, lap-wound, long-shunt, d.c.compound generator has useful flux per pole of 0.07 Wb. The…
A: No. of poles (P) = 4 Useful flux/pole (Φ) = 0.07 Wb No. of turns in the armature (T) = 220…
Q: Q:A8 pole long shunt DC compound generator ruining at 1200 r.pm , supplies a load of 0,255 KA at 230…
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Q: EAl 500 450 420 430 --------------- 400 300 200 100 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 4.75…
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Q: 4. A 20-kW, 250-V dc series generator has armature and series field winding resistances of 0.095 Q…
A: Given 20kW 250V Armature resistance = 0.095 Ohms Series field winding resistance=0.16 Ohms
Q: A 20 kW, 440-V, short-shunt, compound d.c. generator has a full-load efficiency of 87%. If the…
A: The input power to the short-shunt, compound d.c. the generator is calculated from the efficiency as…
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Q: For a DC generator feeding 100 kW power into 230 V mains, having armature resistance and shunt field…
A: Given : a DC generator feeding 100 kW power into 230 V mains, armature resistance and shunt field…
Q: short-shunt connected compound DC generator delivers 219 A to a load at 250 V. Its shunt-field…
A: Voltage across shunt field winding= terminal voltage+ Drop in series field winding. Using ohms law…
Q: ne function of a commutator is O change dc to ac O cuts the magnetic flux and emf is induced O…
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Q: A short-shunt d.c. compound generator supplies 100A at 70V. The resistance of armature, series field…
A: Armature current =load current +shunt field current. Generated emf =terminal voltage +drop in…
Q: 4-A long shunt compound DC generator delivers a load current of 150A at 230V and has armature,…
A: As per our guidelines, we are supposed to answer only one question. Kindly repost the other question…
Q: Q1// long shunt compound generator supplies 600 KW, 1200V shunt field resistance =75 n, armature…
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Q: QI \ A d.c series generator has armature resistance of 0.5 n, and series field resistance of 0.032…
A: hello since you have posted multiple questions and net to specified which question to solve we will…
Q: 1. A 20-kVA, 220 V, wye-connected, 3-phase, salient-pole synchronous generator supplies rated load…
A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part…
Q: Q1// long shunt compound generator supplies 600 KW, 1200V shunt field resistance =75 0, armature…
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Q: A 6 pole generator with wave wound armature has 56 slots each having 20 conductors. The flux per…
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Q: A salient-pole generator operates at rated conditions with a 0.8 PF lagging. It has Xd=1pu and…
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A: We will use EMF equation and Faradays second law to find out the required values
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Q: Q1 \ A d.c series generator has armature resistance of 0.5 N, and series field resistance of 0.032…
A:
Q: A 4-pole, d.c. shunt generator with a shunt field resistance of 100 2 and an armature resistance of…
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Q: Q2: A 20 kW, 440-V, short-shunt, compound d.c. generator has a full-load efficiency of 87%. If the…
A: The circuit diagram for the given generator is given by
Q: Q1// long shunt compound generator supplies 600 KW, 1200V shunt field resistance =75 0, armature…
A: In the question, Consider a long shunt dc Generator i. e shunt winding connected to the after…
Q: B Q- A short a shunt d.e compound generator supplies- 200 A at 94V. The resistance of armature,…
A: Since you have asked multiple questions in a single request, we will be answering only the 1st…
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Q: A 480 V, 50 Hz, Y-connected six-pole synchronous generator has a per-phase synchronous reactance of…
A: Part (a): The rotor of the synchronous generator rotates at the synchronous speed. Thus, the…
Q: Problem: The field current of a 100-kW, 250V shunt generator is 5A when delivering power at rated…
A: DC machines (Generator/ Motor) are the important parts of electrical drives. These machines are used…
Q: Example 29.2. A separately excited D.C. generator has armature circuit resistance of 0.1 ohm and the…
A: In this question we need to find a load current when generator running at 700 rpm
Q: A500 kW , 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of…
A: When brushes are on GNA (Geometrical neutral axis), then electrical angle (θe) =0° ATC/pole of a DC…
Q: Q: A 8-pole lap-wound dc generator is designed to have an average air gap flux density of 0.8 T. The…
A: Given: An 8-pole lap wound DC generator is designed to, Ra=0.3ΩVbd=2VB=0.8T There is a slight…
Q: A short shunt compound generator supplies a load of 10 kW at 200 V through a pair of feeder and…
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Q: 4. A 500-V, wave-wound, 750 r.p.m. shunt generator supplies a load of 195 A. The armature has 720…
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Q: Q1// long shunt compound generator supplies 600 KW, 1200V shunt field resistance =75 0, armature…
A: As per the guidelines of Bartleby we supposed to answer first question only for solution of…
Q: Q:A8 pole long shunt DC compound generator ruining at 1200 r.pm, supplies a load of 0,255 KA at 230…
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Q: a delta connected, round rotor 3-phase synchronous generator with mains phase voltage V1L= 400 V:…
A: output power in synchronous generator = Ef×VtXssin( load angle) and generator driving torque =…
Q: A long shunt compound DC generator delivers a load current of 150A at 230V and has armature, series…
A: In the DC long shunt compound generator Find the induced power ? Total generated power? Total…
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- A 4 pole dc shunt generator with a shunt field resistance of 100 ohm and an armature resistance of 1 ohm has 378 wave connected conductor in its armature. the flux per pole is 0.02wb, if the load resistance of 10 ohm is connexted across the aemature terminal and the generator driven at 1000rpm, calculate the power obsorbed by loadQ2: A500 kW , 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of brushes when ATd / pole = 208 AT . If the ATC for same generator when connected as wave wound is 2600 AT when the brushes on G.N.A .PUT THE EQUATION Given a progressive 2-layer simplex lap winding for a 4-pole dc generator having 20 slots and 20 commutator segments, determine the following and input it on the text field provided. determine: a.Coil Pitch, Ys b.Commutator Pitch, Yc, Back Pitch, YB d. Front Pitch, YB, No. of Parallel Paths
- A short shunt compound generator supplies a load of 10 kW at 200 V through a pair of feeder and series field resistance 0.10 ohm. Armature resistance, shunt field resistance and series field resistance are 0.01 ohm, 52.2 ohms and 0.10 ohm, respectively. If the core friction and windage losses amount to 631 watts, the BHP of the driving engine is nearest toQ2: A500 kW, 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of brushes when AT4 / pole = 208 AT. If the ATC for same generator when connected as wave wound is 2600 AT when the brushes on G.N.A.A long shunt compound DC generator delivers a load current of 150A at 230V and has armature, series field and shunt field resistances of 0.032, 0.015 and 92Ωrespectively. Calculate (i) induced emf (ii) total power generated and (iii) distribution of this power (iv) voltage regulation
- A three-phase Y-connected synchronous generator has rated values of 90 MVA, 15 kV, 0.6 reverse power factor, 50-Hz. Synchronous reactance 1.6 ohmsand armature resistance is neglected. According to thisa) Find the induced voltage (EA) and armature current (LA). b) Find the voltage regulation.c) If this generator was operated at 60 Hz with the same armature and field losses as at 50 Hz; What would be the voltage, apparent power and reactance of the generatorProblem: The field current of a 100-kW, 250V shunt generator is 5A when delivering power at rated terminal voltage and rated load current. The combined armature and brush resistance is 0.1 ohm. 1.)Calculate the generated power in kW. 2.)What is the electrical efficiency? * Formatt: given required solution answerThe synchronous reactance of the direct-axis and quadrature-axis of a three-phase,40-pole, 50 Hz, 13,8 kV, salient-pole synchronous generator is 2,38 Ω and 1,33 Ωrespectively. The resistance of the star-connected stator is negligible. The load angle ofthe machine is 30°e and the excitation is set to induce an emf of 167%. Sketch the phasordiagram and calculate:(a) current(b) power(c) reluctance torque(d) the maximum load angle(e) the maximum power developed
- A 20 kW, 440-V, short-shunt, compound d.c. generator has a full-load efficiency of 87%. If theresistance of the armature and interpoles is 0.4 Ω and that of the series and shunt fields 0.25 Ωand 240 Ω respectively, calculate the combined bearing friction, windage and core-loss of themachine.. A 480-V 200-kVA 0.8-power-factor-lagging 60-Hz two-pole Y-connected synchronous generator has asynchronous reactance of 0.25 Ω and an armature resistance of 0.03 Ω. At 60 Hz, its friction and windagelosses are 6 kW, and its core losses are 4 kW. The field circuit has a dc voltage of 200 V, and themaximum IF is 10 A. The resistance of the field circuit is adjustable over the range from 20 to 200 Ω.The OCC of this generator is shown in Figure P5-1.(a) How much field current is required to make VT equal to 480 V when the generator is running at noload?(b) What is the internal generated voltage of this machine at rated conditions?(c) How much field current is required to make VT equal to 480 V when the generator is running at ratedconditions?(d) How much power and torque must the generator’s prime mover be capable of supplying?In a three-phase, Y-connected, 750-kVA, 1732-V, synchronous generator afield current of 20 A at the rated speed produces a current of 300 A onshort circuit and a voltage of 1732 V on open circuit. The resistance betweenany two terminals of the generator is 0.8 R. Determine the synchronousreactance of the generator. The rotational loss is 20 kW. Using the per-unitsystem, determine the voltage regulation and the efficiency of the generatorwhen it delivers the rated load at its rated voltage and unity power factor.