2073 BhadraChapter 3: Overhead Line Insulator Design3.1 Factors Affecting Insulator Design
Explain the factors affecting the choice of BIL of a transmission line for insulator discs selections.
EE 754 · Chapter 3
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Explain the factors affecting the choice of BIL of a transmission line for insulator discs selections.
Discuss the criterion for single and double earth wire selection for a high voltage overhead transmission line.
For a 220 kV double circuit transmission line, suggest the dimensions for following. i) Cross arm length ii) Insulator string length iii) Horizontal and vertical separation of conductors iv) Number of earth wires v) Height of earth wire from the top most conductor (Take max. swing of insulator as: 45°)