0
1.4kviews
Calculate: i) Efficiency and Voltage Regulation at full load 0.8 PF. ii) Efficiency at 25% load at unity PF.

Subject: Electrical Machines II

Topic: Single Phase Transformers

Difficulty: High


5KVA, 200/400V, 59Hz single phase transformer gave following test results

OC Test 200V 0.9A 60W (LV Side)

SC Test 10V 6A 22W (HV Side)

Calculate:

i) Efficiency and Voltage Regulation at full load 0.8 PF.

ii) Efficiency at 25% load at unity PF.

Please log in to add an answer.