A 2 pole 50 Hz, 13 kv, 200 MW alternator has moment of intertia 20000 kg-m2. What is the value of inertia constant H.
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A 2 pole 50 Hz, 13 kv, 200 MW alternator has moment of intertia 20000 kg-m2. What is the value of inertia constant H.
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- A synchronous generator generates 365 V at 60 Hz when the field current is 3.9A. The e.m.f generated when the frequency is 40Hz and the field current is 2.1A is ...............A synchronous generator generates 350 V at 55 Hz when the field current is 3.7A. The e.m.f generated when the frequency is 35Hz and the field current is 2.3A is ............... AnswerThe generated voltage per phase of an alternator is E0 while the speed of rotor rotation is 3000 rpm. On changing the rotor speed to 750 rpm, the generated emf phase will become a. 0.25*E0 b. 0.5*E0 c. 0.75*E0 d. E0
- The rotor of a 4-pole ac generator is wound with a 200 turns coil. If the flux per pole is 5 mWb and the rotor runs at a speed of 1500 rpm, the rms value of the induced voltage for this AC generator is nearly?Find the rms value of the induced emf per phase of a 10 pole, three phase, 50 Hz alternator with 2 slots per pole per phase and 4 conductors per slot in two layers. The coil span is 150°. The flux per pole is 0.12 Wb (a) 994 (c) 1020 53. (b) 864 (d) 960In capacitive AC circuit voltage is leading current O a. True O b. False
- QI/ Caleulate the voltage per phase for a 3-phase 1500 rpm, 4-pole alternator having a 16 conductors per slot connected in two layers. The slots per pole per phase are 8 and the coil span is 20 slots. The phase spread is 60° and the flux per pole is 25-8 x 1o weber.2, In a circuit, the capacitance of a capacitor is 3.2 microfarads and the rms voltage of the generator is 50 volts. Frequency (a) 100 Hz and (b) what is the rms current in the circuit when it is 1000 Hz?An alternating f.e.m generator has an effective value of 2000 V and a frequency of f=100 Hz. Find the value of the peak voltage and the value of the period "T" of the oscillations.