Question
Download Solution PDFWhat type of insulator used at dead ends and on straight lines as suspension type for voltages 3.3 kV and above?
This question was previously asked in
SSC JE EE Previous Year Paper 13 (Held On: 29 Jan 2018 Morning)
Answer (Detailed Solution Below)
Option 3 : Strain insulators
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RRB JE CBT I Full Test - 23
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Detailed Solution
Download Solution PDF- Strain and shackle insulators are used at dead ends in low voltage distribution lines (less than 11 kV).
- Pin insulators used in electric distribution systems up to 33 kV voltage level.
- Beyond operating voltage of 33kV, pin insulators become too bulky and uneconomical
- Suspension insulators are used for higher than 33 kV voltage levels
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