Substations and Grounding

UNIT - V

 Chapter – 8

(b) Substations and Grounding

Syllabus

Types of Substations - Methods of Grounding.

Contents

8.1 Introduction

8.2 Classification of Substations ... May-12,       ... Marks 10

8.3 Comparison between Indoor and Outdoor Substations    ... May-13,          ... Marks 8

8.4 Symbols for Various Equipments used in Substation      

8.5 Underground Substations ... May-17, ... Marks 4

8.6 Pole Mounted Substations ... Dec.-08, May-17, ... Marks 16

8.7 Key Diagram of 66 kV /11 kV Substation

8.8 Key Diagram of 11 kV / 400 V Indoor Substation 

8.9 Gas Insulated Switchgear Substation (GIS) ... May-17, ... Marks 5

8.10 Air Insulated Switchgear Substation (AIS)

8.11 Introduction to Grounding        ... Dec.-06, ... Marks 4

8.12 Ungrounded or Isolated Neutral System

8.13 Earthed Neutral System ... May-08,10,13,15, 16,18,      ... Dec.-15, 16,17, ... Marks 16

8.14 Grounding Grids ... May-15 ... Marks 6

8.15 Two Marks Questions with Answers