engineering recuitment RVUNL Technician III Mock Test Series 2025 Power Systems Transmission and Distribution
A three-phase transmission line is being supported by three disc insulators. The potentials across top unit (i.e., near to the tower) and middle unit and bottom unit are 10 kV, 11 kV and 14 kV respectively. Calculate string efficiency.
1
79.67%
2
85%
3
83.33%
4
86.67%
5
None of these