Two transformers A and B have the following data Transformer A: 6600/440 V, (250 KVA ) requires ( 6%) of rated voltage to circulate (90%) of full load current at power factor (0.25) when the low voltage winding is short circuited and the no load loss is equal to (2500 W). Transformer B: 6600/420 V, (600 KVA) requires (9%) of rated voltage to circulate (80%) of full load current at power factor (0.16) when low voltage winding is short circuited and no load loss is equal to (4500 W). Calculate the followings: If both transformers are connected in parallel to supply a load (1.2 + j 2.3) ohm, find the output power of each transformer.

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Two transformers A and B have the following data
Transformer A: 6600/440 V, (250 KVA ) requires ( 6%) of rated voltage to
circulate (90%) of full load current at power factor (0.25) when the low voltage
winding is short circuited and the no load loss is equal to (2500 W).
Transformer B: 6600/420 V, (600 KVA) requires (9%) of rated voltage to
circulate (80%) of full load current at power factor (0.16) when low voltage
winding is short circuited and no load loss is equal to (4500 W).
Calculate the followings:
If both transformers are connected in parallel to supply a load (1.2 + j 2.3) ohm,
find the output power of each transformer.
Transcribed Image Text:Two transformers A and B have the following data Transformer A: 6600/440 V, (250 KVA ) requires ( 6%) of rated voltage to circulate (90%) of full load current at power factor (0.25) when the low voltage winding is short circuited and the no load loss is equal to (2500 W). Transformer B: 6600/420 V, (600 KVA) requires (9%) of rated voltage to circulate (80%) of full load current at power factor (0.16) when low voltage winding is short circuited and no load loss is equal to (4500 W). Calculate the followings: If both transformers are connected in parallel to supply a load (1.2 + j 2.3) ohm, find the output power of each transformer.
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