Insulators

UNIT - III

Chapter - 5

(b) Insulators

Syllabus

Insulators: Types, voltage distribution in insulator string, improvement of string efficiency, testing of insulators.

Contents

5.11ntroduction ..... Dec.-13, May-15,       ..... Marks 6

5.2 Insulator Materials

5.3 Types of Insulators ..... May-14, 15, Dec.-16, 17, ..... Marks 16

5.4 Voltage Distribution Over a String of Suspension Insulators

5.5 String Efficiency ..... Oct.-O1, April-98, 99, 05, .... May-04, 07, 11, 12,15,18 .... Dec.-05, 08,11,13,16,...  Marks 16

5.6 Methods of Increasing String Efficiency         .... May-06,         09, 10,11,13,16, .... Dec.-14,15,         .... Marks 16

5.7 Testing of Insulators         .... May-17, ... Marks 13

5.8 Voltage Distribution by Standard Formula

5.9 Two Marks Questions with Answers