% All day n = Output energy in kWh during a day. Input energy in kWh during a day × 100 Output energy in kWh during a day × 100 Output energy+ Energy spent for total losses Q15-A 1000 KVA transformer During the day it is loaded as follows: For 10 hours 600 KW at 0.8 p.f lag For 8 hours For 6 hours 450 KW at 0.9 p.f lag 225 KW at 0.9 p.f lag If the iron loss equal 1.8Kw and total loss equal 10 KW, determine its all day efficiency

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I need the solution to this problem by an expert using the above-mentioned law.
% All day n =
Output energy in kWh during a day.
Input energy in kWh during a day
× 100
Output energy in kWh during a day
× 100
Output energy+ Energy spent for total losses
Q15-A 1000 KVA transformer During the day it is loaded as follows:
For 10 hours
600 KW at 0.8 p.f lag
For 8 hours
For 6 hours
450 KW at 0.9
p.f lag
225 KW at 0.9 p.f lag
If the iron loss equal 1.8Kw and total loss equal 10 KW, determine its all day
efficiency
Transcribed Image Text:% All day n = Output energy in kWh during a day. Input energy in kWh during a day × 100 Output energy in kWh during a day × 100 Output energy+ Energy spent for total losses Q15-A 1000 KVA transformer During the day it is loaded as follows: For 10 hours 600 KW at 0.8 p.f lag For 8 hours For 6 hours 450 KW at 0.9 p.f lag 225 KW at 0.9 p.f lag If the iron loss equal 1.8Kw and total loss equal 10 KW, determine its all day efficiency
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