railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Transformer Three Phase Transformer Connections
Which of the following 3-phase transformer combinations can be successfully run in parallel?
1
STAR - STAR and DELTA - STAR
2
DELTA - DELTA and DELTA - STAR
3
DELTA - STAR and DELTA - STAR
4
STAR - DELTA and DELTA - DELTA