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a 6604 kv 100 kva distribution transformer is connected dy the transformer has 12 resistance and 5 reactance find the
a small industrial unit draws an average load of 100 a at 08 lagging pf from the secondaries of its 2000200 v 60 kva y
a 500-kva 11043-kv 3-phase deltastar connected transformer has on rated load hv copper-loss of 25 kw and lv loss of 2
two single-phase transformers rated 600 kva and 500 kva respectively are connected in parallel to supply a load of 1000
two single-phase transformers rated 1000 kva and 500 kva respectively are connected in parallel on both hv and lv sides
a 20 kva 4400220 v transformer with an equivalent impedance of 001 omega is to operate in parallel with a 15 kva
a 200400 v 20 kva and 50 hz transformer is connected as an autotransformer to transform 600 v to 200 va determine the
a 20 kva 2000200 v two-winding transformer is to be used as an autotransformer with a constant source voltage of 2000 v
a 400100 v 10 kva 2-winding transformer is to be employed as an autotransformer to supply a 400 v circuit from a 500 v
a 20 kva 200500 v 50 hz single-phase transformer is connected as an auto-transformer as shown in fig p328 determine its
programming assignment -background informationfor this assignment you need to write a console application in the java
1 why is the sc test performed at reduced voltage on the hv side2 where is an autotransformer employed in a power
1 why are transformers needed in a power system2 why are transformers placed in oil-filled tanks3 describe how the
each phase of a 3-phase transformer is rated 66 kv230 v 200 kva with a series reactance of 8a calculate the reactance
1 what is a transformer explain the functions it fulfils as an element of a power system2 differentiate between core
a transformer of rating 20 kva 2000200 v has the following parameterscore loss at rated voltage 95 wa calculate
two 110-v single-phase furnaces take loads of 500 kw and 800 kw respectively at a power factor of 071 lagging and are
a 4-pole 50-hz induction motor has 24 stator slots with 2-layer winding it has 16-turn coils chorded short-pitched by
a 50-hz synchronous salient pole generator is driven by a hydro-electric turbine at a speed of 125 rpm there are 576
1 a 6-pole wave-connected dc armature has 300 conductors and runs at 1200 rpm the emf generated is 600 v find the
1 a three-phase ac linear motor has armature winding wavelength of 30 cm the supply currents have a frequency of 75 hza
1 calculate the short-pitching angle to eliminate the fifth harmonic in the induced emf of a synchronous generator what
1 calculate the voltage induced in the armature of a 4-pole lap-wound dc machine having 728 conductors and running at
a 3-phase 50 hz 4-pole 400 v wound rotor induction motor has a stator winding d-connected and a rotor winding
a 50 hz induction motor runs at 576 rpm at full load determinea the synchronous speed and the number of polesb the