A 66 kV system has a string insulator having three discs and the earth to disc capacitance ratio of 0.10 The string efficiency will. Be:
1
87.43%
2
75.56%
3
67.78%
4
55.45%
A 66 kV system has a string insulator having three discs and the earth to disc capacitance ratio of 0.10 The string efficiency will. Be: