QI) A 5 KVA, 2300/230 50HZ transformer was tested for the iron losses with normal excitation and cupper losses at full load and these were found to be 40 W and 112 W respectively. Calculate the efficiency of the transformer at 0.8 power factor for the following KVA outputs: 1.25 3.75 5.0 6.25 7.5.

Q: 1. If a 0.6 accuracy class current transformer has a phase angle of + 10 at 100% rated current, the…

A: Ans.(1). Value of 'β=10'

Q: A 3000/200V ,50hz. , single phase transformer has a cross sectional area of 150 cm2 for the core. If…

A:

Q: 16. If a 0.6 accuracy class current transformer has a phase angle ß of + 10' at 100% rated current,…

A: Solution 1chevron_right close Value of 'β=10' Step 2 Ratio correction factor ,…

Q: A 22.5-kVA single-phase transformer is tested with a true-RMS ammeter and an ammeter that indicates…

A: Given data:Transformer capacity =22.5True-RMS reading =94APeak reading =204A

Q: THE PERCENTAGE RESISTANCE AND REACTANCE OFA1-F TRANSFORMER ON LOAD ARE 3% AND 6 %…

A:

Q: Two transformers A and B of different ratings but equal voltage ratios share a load of 900 kVA at…

A: Load  SL = 900 KVA   0.8 pf lagging transformer  A  rating is  600 KVA transformer  B  rating is…

Q: A single phase 60 Hz transformer has its core volume of 1.5x10-3 cu m. The maximum flux density is…

A: Given data, Maximum flux density Bm=1 T. Volume of core V=1.5×10-3 m3 Hysteresis constant  of core…

Q: How do you calculate N1/N2? Ratio of primary to secondary turns of a transformer?

A: It asked how to calculate the ratio of primary to secondary turns of a transformer.

Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.