Which of the following insulator is selected for HV application

Question 1

Which of the following insulator is selected for HV application
1. Suspension type
2. Disc type
3. Pin type
4. Strain type

Question 2

Correct Answer - Option 1 : Suspension type

Pin insulators are commonly used in power networks up to 33 kV system
Post insulator is suitable for lower voltage and also for high voltage
Each suspension disc is designed for normal voltage rating 11 kV (Higher voltage rating 15 kV), so by using different numbers of discs, a suspension string can be made suitable for any voltage level; Hence it is suitable for 220 kV lines
The shackle insulator is usually used in a low voltage distribution network

SiddhiSomnath · Answer 1 · 2022-03-02T19:23:59+0000

Correct Answer - Option 1 : Suspension type

Pin insulators are commonly used in power networks up to 33 kV system
Post insulator is suitable for lower voltage and also for high voltage
Each suspension disc is designed for normal voltage rating 11 kV (Higher voltage rating 15 kV), so by using different numbers of discs, a suspension string can be made suitable for any voltage level; Hence it is suitable for 220 kV lines
The shackle insulator is usually used in a low voltage distribution network

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