engineering recuitment GATE EE 2023-24 Test Series Electrical Machines Transformer Transformer Tests
It is desired to measure parameters of 230/115 V, 2 kVA single phase transformer following wattmeter are available.
W1 = 250 V, 10 A, LPF
W2 = 250 V, 5 A, LPF
W3 = 150 V, 10 A, hpf
W4 = 150, 5 A, hpf
Wattmeter used for OC and SC test are
1
W1 and W2
2
W2, W4
3
W1, W4
4
W2, W3