engineering recuitment HPCL Engineer Mock Test 2024 Electrical and Electronics Measurements Instrument Transformers
If the secondary winding of a current transformer is opened when the primary winding is carrying current, then the following event occurs:
1
Transformer will burn immediately
2
High induced EMF is produced in the secondary winding
3
Flux density in the core gets weakened
4
High current is produced in the secondary winding