Mathematically, demonstrate the effect of power factor on efficiency of transformer. [5 Marks) (b) A 5 KVA, 500/250 V, 5

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Mathematically, demonstrate the effect of power factor on efficiency of transformer. [5 Marks) (b) A 5 KVA, 500/250 V, 5

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Mathematically Demonstrate The Effect Of Power Factor On Efficiency Of Transformer 5 Marks B A 5 Kva 500 250 V 5 1
Mathematically Demonstrate The Effect Of Power Factor On Efficiency Of Transformer 5 Marks B A 5 Kva 500 250 V 5 1 (91.26 KiB) Viewed 47 times
Mathematically, demonstrate the effect of power factor on efficiency of transformer. [5 Marks) (b) A 5 KVA, 500/250 V, 50 Hz single phase transformer gave the following test results: OC test: 500 V, 1.0 A, 50 W (side open) SC test: 22 V, 30 A, 200 W (side shorted) Determine the following: (i) The efficiency on full load at 0.8 power factor. (ii) The voltage regulation on full load at 0.8 0.8 power factor leading. (iii)The efficiency on 60% of full load at 0.8 power factor leading. (iv) Draw the equivalent circuit referred to the primary and insert all values. [20 Marks]
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