- A 50 Hz, 4 pole turboalternator rated at 20 MVA. 13.2 KV has an inertia constant H = 4 KW sec/KVA.
- A 100 MVA, 11 KV, 3-phase, 50 Hz, 8—pole synchronous generator has an inertia constant H equal to
- A 50 Hz, 4-pole, 500 MVA, 22 kV turbo-generator is delivering rated megavolt amperes at 0.8 power factor.
- The inertia constant of a 100 MVA, 11 kV water wheel generator is 4. The energy stored in the rotor at the
- A single phase transformer rated at 3000 kVA, 69 kV 4.16 kV, 60 Hz has a total internal impedance Zp of 127...
- A generator is connected through a 20 MVA, 13.8/138 kV step down transformer, to a transmission line.
- A 30 MVA, 13.2 KV synchronous generator has a solidly grounded neutral. Its positive, negative and zero ...
- A 3 phase, 400 volts, 50 Hz, 100 kW, 4 pole squirrel cage induction motor with a rated slip of 2% will have a...
- A Transformer rated 250 kVA, 4160 V / 480 V, 60 Hz has an impedance of 5.1%. Calculate the total...
- An 8 pole wound rotor induction motor operating on 60 Hz supply is driven at 1800 r.p.m. by a prime mover in
- Two generating stations G1 and G2 of ratings 10 MVA and 8 MVA respectively are linked by a line rated at 5
- A 3-phase star-connected 75 MVA, 25 kV 3-phase synchronous generator has a synchronous reactance of...
- A 12 -pole, 440 V, 50 Hz, 3 -phase synchronous motor takes a line current of 100 A at 0.8 pf leading....
- If the inertia constant H of a machine of 200 MVA is 2 p.u., its value corresponding to 400 MVA will be
- A transmission line has 1 P.0 impedance on a base of 11 KV, 100 MVA. On a base of 55 KV. it will have a P.0 impedance of
- The stator of a 415V, 50 Hz, 4-pole slip ring Induction Motor is excited by rated frequency with slip rings open
- A 30 MVA, 15 KV, 1500 rpm, 3 phase synchronous generator connected to a power grid has a synchronous...
- A 3-phase 11 kV generator feeds power to a constant power unity power factor load of 100 MW through a
- A 500 MVA, 11 KV synchronous generator has 0.2 p.u. synchronous reactance. The p.u. synchronous reactance
- A 500 MW, 3-phase, Y-connected synchronous generator has a rated voltage of 21.5 kV at 0.85 p.f. The line
- The locked rotor current in a 3-phase, star connected 15 , kW 4 , pole 230 V , 50 Hz induction motor at rated
- The synchronous speed of an 8 pole induction motor supplied power from a 50 Hz source will be ?
- A 3-phase, 11 kv, 50 Hz, 200 kW load has a power factor of 0.8 lag. ...
- A single phase 60 Hz generator supplies an inductive load of 4500kW at a power factor of 0.80 lagging ...
- An 8 pole lap wound DC shunt generator is supplying 295A to a load. The field current of the generator is 5A....
- The corona loss of a 3-phase transmission line is 100 kW at 60 kV/phase and 25 kW at 50 kV/phase....
- A 400 V, 15 kW, 4-pole, 50 Hz, Y-connected induction motor has full load slip of 4%. The output torque of the
- A dominant pole compensated op-amp has openloop gain of 100 dB and -3 dB bandwidth of 50 Hz....
- A 3-phase circuit breaker is rated at 1250 A, 2000 MVA, 33 kV, 4s. Its making current capacity will be
- A three phase breaker is rated at 2000 MVA, 33 kV, its making current is...
- An energy meter has a constant of 600 rev/kWh. If the meter makes 10 revolutions in 20 s, ...
- Develop Assembly Language program (ALP) to find the largest number in a block of 10 numbers stored at location 40H onwards in internal RAM.
- A 8-pole, DC generator has a simplex wave-wound armature containing 32 coils of 6 turns each. Its flux per
- A three-phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is
- A 0.5 Hp, 6 pole wound rotor induction motor is excited by a 3 phase 60 Hz source. Calculate the frequency of...
- A system function has a pole at s=0 and a zero at s= -1. The constant multiplier is unity. For an excitation...
- What is the slip (as a percentage) when a 6 pole single phase induction motor operating on 220 V and 60 Hz is
- A 3 Phase, 60 Hz generator connected in Y connection, generates a line to line voltage of 23900 V...
- An alternator is connected to a bus. For a symmetrical fault at the bus, the fault level is 60 MVA. If another...
- An 8-pole, 50Hz, three-phase induction motor is running at 705rpm and has a rotor copper loss of 5kW.
- What is the pitch factor of a 4 pole alternator having 36 slots and a coil span of 1 to 8?
- A 3-phase, 2 pole, 11 kV, 10000 kVA alternator has earthed neutral through a resistance of 7.0Ω. The machine...
- The synchronous speed for the seventh space harmonic mmf wave of a 3-phase, 8-pole, 50 Hz induction
- The magnetizing reactance of a 4 kV/ 400 V, 50 Hz single-phase transformer on low voltage side is 35 Ω.
- An 8-pole alternator runs at 750 rpm and supplies power to a 6-pole induction motor which has a full load
- The torque produced in a 4-pole machine is 100 Nm. If machine is re-wound with 6 ploes, other things...
- The eddy current loss in a dc generator is 400 W at 40 Hz frequency of reversal and constant flux density.
- A balanced three-phase, 50 Hz voltage is applied to a 3 phase, 4 pole, induction motor. When the motor is ...
- An 1.8° step, 4 -phase stepper motor has 40 teeth on 8 poles of the stator. The number of rotor teeth for...
- A magnetic circuit has effective iron length of 100 cm and it is wound with 800 turns of wire carries 1 A. Find the magnetic field strength.