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Switching over voltages may be caused by
Sustained earth fault on phase conductor
Energisation or reclosure of long lines
Load rejection at the receiving lines
Fault initiation
1 and 2
2 and 3
1, 2 and 3
1, 2, 3 and 4
1 and 2
Quick Summary: Practice and solve "Switching over voltages may be caused by 1. Sustained earth fault on phase conductor 2. Energisation..." for Electrical - Power System. The correct answer is Option A: 1 and 2. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(d) **