engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Power Systems Transmission and Distribution
Which of the following systems is used in the secondary transmission of electric power?
1
33-kV, three-phase, four-wire system
2
66-kV, three-phase, four-wire system
3
33-kV, three-phase, three-wire system
4
110-kV, three-phase, three-wire system