Electrical Engineering · Underground Cables
What is the primary reason for using insulation grading (differential coverings) in underground cables?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To provide high mechanical strength to the core
- 2To completely eliminate the dielectric losses
- 3For achieving uniform electrostatic stress distribution✓
- 4To reduce the overall thickness of insulation
Correct answer
For achieving uniform electrostatic stress distribution
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