дноши for the lossless transmission lin below, the ti is driven with a generator that has Eg=30 Virms and Zg=25 22 if the VSWR=3.7 find 2, Zr, Zs 126). Il and /Ps| Eg zg k Zo=505 0.474m 1.5mx < l=50m Zv
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![дноши
for the lassless transmission Lin
below, then is driven with a generator
that has Eg=30 Vrms and Zg=25-2
if the VSWR=3.7 find 2, Zr, Zs
17₁), Island | Ps]
2
Eq
zg
Zo=50
0.474m
1.5mxk
l=50m
Zv](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5e5422e-5673-4ef9-a045-1e862dc8d775%2F97f5fa82-bb1c-42df-ba05-5ef2fda17b1e%2Fv6zflk_processed.jpeg&w=3840&q=75)
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- 9.09 The flux density distribution in the air-gap of a certain generator is such that it contains a fundamental, a third harmonic, and a fifth harmonic. The flux per pole due to the fundamental distribution is 9 x 10-3 weber, that due to the third harmonic distribution is 0.9 x 10-3 weber, that due to the fifth harmonic distribution is 0.4 x 103 weber. There are four armature slots per phase per pole, the connection are made for three-phase wye. and the coil pitch is 12/15. The frequency is 60 cycles and the generator has 4 poles. (a) Calculate the emf/turn. (b) If there are six turns/coil and two coil sides/slot, calculate the emf per phase. (c) Calculate the emf between line terminals. Ans. 2.32V; 212V; 364VA short-shunt compound generator supplies a load of 10kW at 200V through a pair of feeder resistance 0.10, armature resistance is 0.010 and the shunt field resistance is 52.50 and the series field resistance is 0.102. If the SPL amounts to 631W, determine d) Electrical η ( 87.96% ) e) Commercial η. (83.33%)K/s O 2_53054376... > مكائن التيار المستمر TUTORIAL PROBLEMS 1-A 4 pole shunt generator with wave-wound armature has 41 slots, each having 12 conductors. The armature resistance is 0.05 Q and shunt field resistance is 200 Q. The flux per pole is 25mWb. If a load resistance 10 Q is connected across the armature terminals, calculate the voltage across the load when generator is driven at 1000 r.p.m 2- A long shunt compound generator has full load output of 100KW at 250volts. The armature, series and shunt windings have resistances of 0.05 Q, 0.03 Q and 55 Q respectively. Find the armature current and generated e.m.f.
- h 13 A 100kW generator, 25OV, 6 poles have a wave wound armature with 300 turns then the number of compensating winding turns per pole is .approximately equal to if the ratio of pole arc/pole pitch is 0.72 36 O 18 16 none of the mentioned. ) 8. 50A shunt generator supplies a 34kW load at 225V through cables of resistance, R = 126m2. If the field winding resistance, Rf =680 and the armature resistance, Ra =42m2. Determine the following below: The terminal voltage is, The e.m.f. generated in the armature is, A 4 pole generator with wave wound armature has 50 slots each having 28 conductors. The flux per pole is 0.01 Wb. (i) At what speed must the armature rotate to give an induced EMF of 235V is, (ii) What will be the voltage developed, if the winding is lap connected and the armature rotates at the same speed is,A long shunt compound generator delivers a current of 10A at 200V and has a series field resistance and shunt field resistance of 1 ohm and 200 ohms respectively. Then line current is a. 2A b. 1A c. 9A d. 10A
- 1%9Y l. In. . V: 0 2_530543767184... مكائن التيار المستمر TUTORIAL PROBLEMS 1-A 4 pole shunt generator with wave-wound armature has 41 slots, each having 12 conductors. The armature resistance is (0.05 Q and shunt field resistance is 200 2. The flux per pole is 25mWb. If a load resistance 10 0 is connected across the armature terminals, calculate the voltage across the load when generator is driven at 1000 r.p.m 2- A long shunt compound generator has full load output of 100KW at 250volts. The armature, series and shunt windings have resistances of 0.05 0, 0.03 Q and 55 2 respectively. Find the armature current and generated e.m.f. IIThe type generator field winding is supplied from the external D.C. source. separately excited Compound Shunt Self excitedQ/A Generator operation dt 50 HZ, delivers 1-1 P-u. Power to an infinite busbar Throught a Networke. A Fan It accurs which reduces The maximum Transferable to 0-6 p.whereas before the fanilt This power was 1.8 p.u. and after the clearanes of the fault it is 1-3 P-4, If the inertia constant of Generator is 2.7 mil MUA, Ibtain the swing curve (0-200ms) For a fault clearance time of (100ms) (let =), Then examine the 0.05 Sec stability of the system.
- for the lassless transmission Lin shown below, the in is driven with a generator that has Eg=30 Vrms and Zg=25. if the VSWR=3.7 find 2, Zr, Zs 175) | Is and / Ps] | Eg@ 29 k Zo=505 0.474m 1.5mxk l=50m ZvA 100KW generator, 250V, 6 poles have a wave wound armature with 300 turns then the number of compensating winding turns per pole is approximately equal to ----- if the ratio of pole arc/pole pitch * is 0.72A synchronous generator supplies rated power at 0.8 pf lagging.ra = 0.015p. u., andxl 1p.u. . Find out the possible terminal voltage. In case of the practical operation, which terminal voltage is more feasible? =