Q1// long shunt compound generator supplies 600 KW, 1200V shunt field resistance =75 n, armature resistance=0.030, commutating field winding resistance=0.011n, series field resistance%-D0.0120, divertor resistance=0.0360, at 60 r.p.m. determine the percentage increase in flux per pole required to generate 1600 V at 40 r.p.m.
Q: A 4-pole lap -wound dc generator is designed to have an average air gap flux density of 0 .8 T. The…
A: As we have given : P=4A=4D=0.8 TRa=0.3 ΩVd=1 V
Q: Q: A 8-pole lap-wound dc generator is designed to have an average air gap flux density of 0.8 T. The…
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Q: Q3 Shunt d.c. generator with armature and shunt field resistance of 0.5, and 250 Q respectively gave…
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Q: A 10 kW, 250 V self-excited generator, when delivering rated load, has an armature circuit voltage…
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Q: Q1) A long shunt compound generator is supplying a load 100 A at a terminal voltage of 220 V. The…
A: Note: We are authorized to answer three sub parts at a time, since you have not mentioned which part…
Q: Determine the e.m.f. generated of a short-shunt compound generator supplies 100 A at 400 V. If the…
A: To solve above problem one should know the structure of short shunt compound generator, In short…
Q: A separately excited DC shunt generator produces a no-load voltage of 150 Vdc at 1200 RPM. If the…
A: Data given are for A separately excited DC shunt generator is No-load Voltage = 150 v, Speed(N) =…
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Q: 2: A 20 kW, 440-V, short-shunt, compound d.c. generator has a full-load efficiency of 7%. If the…
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Q: Q2) A 4 -pole DC shunt generator has an induced voltage of 200 v at no-load. When the generator is…
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Q: - A separately excited 4 - pole, 900 rpm wave wound dc generator has an induced emf of 240V at rated…
A: Given that ,Number of poles = 4speed = 900rpmN = 90060 rpsVT = 200VRa = 0.2 Ωϕ= 10 x 10-3WbInduced…
Q: Q1)A short- shunt( d.c) compound generator supplies (200A) at (100V) the resistances of armature…
A: 1) The short shunt dc compound generator and the equivalent circuit of the question is as follows:…
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…
Q: Q23) A shunt generator supplies a 20KW load at 200V through cables of resistance, R = 100mΩ. If the…
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Q: A d.c. shunt generator has a full load output of 10 kW at a terminal voltage of 240 V. The armature…
A: We have an shunt generator which has, Full load output = 10 KW Voltage (V) = 240 V Armature…
Q: The terminal voltage of a 75-kW shunt generator is 600 V at rated load. The resistance of the…
A: NOTE: “Since you have asked multiple question, we will solve the first question for you. If you want…
Q: Q2: A: A 10-kW 250-V self-excited generator, when delivering rated load, has an armature-circuit…
A: Power delivered Vt×IL. Armature current =load current +shunt field current. We will find armature…
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 data, 8 pole lap wound. B = 0.8 T. ra = 0.3 Ω. Brush drop = 1 V. Emf in two paths is 5% more…
Q: |--E Q3) In a long-shunt compund generator, the terminal voltage is 230 V, when it delivers 150 A.…
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Q: A long-shunt, four pole, 1500-W, 250-V, duplex wave-wound DC compound generator with the rated speed…
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A: A DC machine is classified in two types. DC motors DC generators Above question is based on DC…
Q: Q3 Shunt d.c. generator with armature and shunt field resistance of 0.5, and 250 N respectively gave…
A: Firstly the induced emf is to be evaluated for the given data such that the points (induced emf,…
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: The full-load terminal voltage of a generator is 245 V, while the no- load terminal voltage is 230…
A: This question belongs to electrical machine . It is based on calculation of generated voltage for a…
Q: A 10 kW shunt generator having an armature circuit resistance of 0.75 ohm and a field resistance of…
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Q: Q1// long shunt compound generator supplies 600 KW, 1200V shunt field resistance =75 n, armature…
A: In the question, A long shunt DC compound Generator supplied to the load = 600kW. All the parameters…
Q: A short shunt compound DC generator supplies a load current of 10A at a voltage of 10 volts. If the…
A: Given: A short shunt compound DC generator in which IL=10AV=10VRa=0.001ΩRsh=1ΩRse=0.00Ω According to…
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Q: Q:A 8 pole long shunt DC compound generator ruining at 1200 r.pm , supplies a load of 0,255 KA at…
A: According to guidelines we need to solve only the first question. Given, 8 poles long shunt DC…
Q: Q1// long shunt compound generator supplies 600 KW, 1200V shunt field resistance =75 0, armature…
A:
Q: A long-shunt compound d.c. generator with armature, series field and shunt field resistance of 0.5,…
A: Given data: Ra=0.5ΩRse=0.4ΩRsh=250Ω
Q: A four-pole lap wound armature when driven at 600rpm the generated emf is 120 volts. If the flux per…
A: Given that N=600 rpmE=120Vϕ=25mWbP=4A=P=4 Although for DC machine formula of generated emf is given…
Q: The following information is given for a 300-kW, 600-V, short-shunt compound generator : Shunt field…
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Q: A 150 kW, 250-volt compound DC generator has its field windings which are connected in long shunt.…
A: First using ohms law we will find current in shunt field winding. Now using following relation we…
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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…
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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: Q:A8 pole long shunt DC compound generator ruining at 1200 r.pm , supplies a load of 0,255 KA at 230…
A: The new speed is same as initial speed since the percentage change in flux and genrator emf is same…
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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: A 4-pole lap wound generator with 780 armature conductor and an armature current of 60 A, the…
A: Given, Total number of pole, P=4. Total number of conductor, Z=780. Armature current, Ia=60 A. For…
Q: Q:A8 pole long shunt DC compound generator ruining at 1200 r.pm, supplies a load of 0,255 KA at 230…
A:
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 have An average air gap flux density: B=0.8 T…
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A: In a DC machine, two sources of magnetic fluxes are present; 'armature flux' and 'main field flux'.…
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A: Given data is- Shunt field resistance RSh= 75 ΩArmature-brush resistance RA= 0.03 ΩSeries field…
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- . When a self-excited compound DC generator supplies load, the terminal voltage is not the same as the generated emE Why? a) voltage drop across the armature resistance will reduce the voltage available at the load terminals b) where there is a series field, voltage drop across the series field resistance will reduce the voltage available at the load terminals c) both "a" and "b" d) neither "a" nor "b"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 long shunt compound dc generator delivers a load current of 69 A at 396 V and has armature, series field and shunt field resistances of 0.096 Ω, 0.014 Ω, and 259 Ω, respectively. Calculate the armature current in ampere.
- A short shunt compound DC generator delivers a load current of 30 A at 220 V and has armature, series field and shunt field resistances of 0.05, 0.3 and 200Ω respectively. Calculate the induced emf, the armature current and the voltage regulation. Allow 1 V per brush for contact droA short shunt compound DC generator supplies a load current of 10A at a voltage of 10 volts. If the resistance of armature, shunt field and series field windings are 0.001 ohm, 1 ohm 0.00 ohm respectively. a) Draw the the figure. And find the generated voltage.A 500-V, wave-wound, 750 r.p.m. shunt generator supplies a load of 195 A. The armature has 720 conductors and shunt field resistance is 100 Ω. Find the demagnetising amp-turns/pole if brushes are advanced through 3 commutator segments at this load. Also, calculate the extra shunt field turns required to neutralize this demagnetisation.
- 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 loadA short shunt compound DC generator supplies a load current of 10A at a voltage of 10 volts. If the resistance of armature, shunt field and series field windings are 0.001 ohm, 1 ohm 0.00 ohm respectively. c) write down the factors to improve the generated voltage.A 4-pole lap -wound dc generator is designed to have an average airgap flux density of 0 .8 T. The armature winding resistance is 0 .3 Ω, and the brush contact drop is 1 V. There is a slight fault in the magnetic circuit which causes the emfs in two of the paths to be 5 %more than the nominal value, and the emfs in the other two paths 5 %less . a) If the generator supplies a full load of 4 .5 kw at 150 V, find the nominaland actual values of path emfs, coil currents, and armature copper loss. b) Find the nominal and actual values of coil currents and armature copperloss when the generator has no external load.
- A long-shunt, four pole, 1500-W, 250-V, duplex wave-wound DC compound generator with the rated speed of 500 r.p.m., has a shunt field resistance of 100 Ω, a series field resistance of 0.05 Ω and an armature resistance of 0.2 Ω. If the flux per pole is 48.798 mWb and a total of 620 conductors, calculate the following: (a) the generated voltage, (b) the field currents, (c) the power generated in the armature.A shunt generator supplies a 31kW load at 230V through cables of resistance, R = 122mΩ. If the field winding resistance, Rf =50Ω and the armature resistance, Ra =51mΩ. Determine the following below: The terminal voltage is, Answer and unit for part 1 The e.m.f. generated in the armature is,A short shunt compound DC generator supplies a load of 10A at a voltage of 10 volts. If the resistances of Armature, shunt field and series field windings are 0.01 ohm, 1 ohm and 0.00 ohm respectively. c) Write down the factors to improve the generated voltage.