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4th Semester
EX-404
Unit 4 Notes

EX-404 Power System-I Unit 4 Notes

Notes and important questions for unit 4: Insulator & Mechanical Design.

Unit 4 · Short notes Insulator & Mechanical Design Insulator and mechanical design; types of conductors for overhead lines · Types of line supports and towers; distribution of conductors over towers · Spacing between conductors; span length and sag‑tension calculations · Wind and ice loading; line support at different levels; string chart and sag template · Stringing of conductors; vibration and vibration dampers · Insulator materials; types of insulators for overhead lines; failure modes

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