engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Power Systems Transmission and Distribution Overhead Insulators
In a 3 unit insulation discs, the voltage stress is 20 kV and the string efficiency is 75% in the entire bottom most unit. What will be the total voltage across the entire string?
1
180 kV
2
45 kV
3
90 kV
4
22.5 kV