Open and short circuit tests
A 4 kVA 200/400 V single phase 50 Hz transformer has the following data on O. C. (open circuit) &
S. C. (short circuit) test:
O. C. Test: 200 V 0.8 A 70 W (Low Voltage side)
S. C. Test: 20 V 10 A 80 W (High Voltage side)
Find Full Load efficiency and regulation at pf 0.8. Find also the magnetizing component of No Load current.
S. C. (short circuit) test:
O. C. Test: 200 V 0.8 A 70 W (Low Voltage side)
S. C. Test: 20 V 10 A 80 W (High Voltage side)
Find Full Load efficiency and regulation at pf 0.8. Find also the magnetizing component of No Load current.
Correct answer:
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