![transformer power calculation formula transformer power calculation formula](https://www.giangrandi.org/electronics/trafo/trafo-disassebled.jpg)
Total Annual Iron loss in Kwh =Iron Loss in Watts X Nos of TC on the feeder X8760 / 1000.Loss Load Factor (LLF)= (0.8 x LFx LF)+ (0.2 x LF) Load Factor (LF)= Unit Sent Out (In Kwh) / 1.732 x Line Voltage x Max Amp. Peak Load = 1.732 x Line Voltage x Max Ampĭiversity Factor (DF) = Connected Load (In KVA) / Peak Load. Total Connected Load=No’s of Connected Transformer. Normative Load diversity Factor for Urban feeder is 1.5 and for Rural Feeder is 2.0.Unit sold out during from Feeder is 353592 Kwh.Unit sent out during to feeder is 490335 Kwh.100KVA Transformer Iron Losses = 290 W, Copper Losses= 1850 W, LT Line Loss= 1380W.63KVA Transformer Iron Losses = 200 W, Copper Losses= 1300 W, Average LT Line Loss= 260W.25KVA Transformer Iron Losses = 100 W, Copper Losses= 720 W, Average LT Line Loss= 63W.of Distribution Transformer on Feeder 25 KVA= 3 No, 63 KVA =3 No,100KVA=1No. 11 KV Distribution Line have following parameter.
![transformer power calculation formula transformer power calculation formula](https://www.electricaltechnology.org/wp-content/uploads/2012/02/EMF-Equation-Of-a-Transformer-1.png)
![transformer power calculation formula transformer power calculation formula](https://microcontrollerslab.com/wp-content/uploads/2015/06/Ferrite-Transformer-Turns-Calculation.jpg)
It is necessary to calculate technical and commercial losses.Normally Technical Losses and Commercial Losses are calculated separately.There are two types of Losses in transmission and distribution Line.