111/ The armature reaction of the DC generator reduces the generated EMF. Select one: True False
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A: The generated emf is given by Eg=Vs + IaRa where Ia is armature current and Vs is terminal voltage
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Q: he armature reaction of the DC generator increases the generated EMF. Select one: True False
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111/
The armature reaction of the DC generator reduces the generated EMF.
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- A DC generator with 8 pole, duplex lap winding excited with a flux of 3mWb/ pole. The number of parallel path in the winding is A 12 B 8 C 16 D 4A dc 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf * O 10 V O 200 V O 100 V O 20 VAn ideal dc generator has regulation of 40% 20% O 30% Zero
- Armature windings in ac generators are same as those used in DC machines Select one: O True O FalseA short shunt compound generator supplies a load of 20 kW at 500 V. The armature, series and shunt field resistance are 0.10 ohm, 0.05 ohm, and 100 ohms respectively. Find the power developed in the armature. Choices: 24600 W 20500 W 22800 W 25400 WA DC generator has an armature emf of 500 V when useful flux/pole is 20 mWb, and a speed of 625 rpm. The generated emf at a speed of 125 rpm and same flux is
- The field system is the rotating part of the DC Generator Select one: True FalseA P=15 Kw a shunt generator with load voltage is 300V and resistace of the shunt field and armature are 50 and 0.5 ohms respectively. Calculate the generated emf.Q- In a DC generator, what will be change in emf induced if flux is reduced by 20% and the speed is increased by 20%.
- The terminal voltage of a 150 kW series generator is 600 V at rated load. The armature resistance is 0.06 ohms and the series field resistance is 0.04 ohms. Find generated emf.The strength of the rotating magnetic field in a three phase induction motor is equal to times the flux produce ...... ....... in one of the phase windings. 1.25 1 O 1.53. A group of electromagnets that create flux in a d-c generator (the field circuit) has an inductance of 18 henrys. If the 3.4 amp excitation is interrupted in 0.08 sec by the opening of the field switch, what average voltage is induced in the winding?