engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Electrical Machines Transformer Three Phase Transformer Basics
A three-phase transformer has 600 primary turns and 200 secondary turns. If the supply voltage is 1000 V, find the secondary line voltage on no-load when the windings are connected in star–delta.
1
592.45 V
2
192.45 V
3
1732 V
4
3000 V