Category: Transformers Problem

Solution: Calculate the resistance of the secondary winding

Solution: Determine the eddy current loss

Solution: Calculate the all-day efficiency if loaded as follows

Solution: Find the all-day efficiency of a transformer having maximum efficiency of 98%

Solution: Calculate the full load efficiency at unity power factor

Solution: Determine the efficiency of the transformer at half load, 0.80 pf

Solution: Calculate the percent regulation at a lagging power factor of 0.707

Solution: Find the percentage regulation

Solution: Calculate the percent regulation at a power factor of 0.75 lagging

Solution: What is the impedance in ohms referred to the primary?