Question
Download Solution PDFIdentify the correct property of insulator for overhead lines?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe electrical insulating material should have the following properties.
- High insulation resistance i.e. high resistivity.
- High dielectric strength
- Low permittivity
- High mechanical strength
- High thermal conductivity
- Non-hygroscopic i.e., it should not absorb moisture from air or soil
- Non-inflammable
- Unaffected by acids and alkalis
- The electrical and chemical properties of the material should not be affected by the temperature.
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