Book Details

Protection And Switchgear

Protection And Switchgear

Published by uLektz

Course Code:EE2402

Author:uLektz

University: Anna University, Tamil Nadu

Regulation:2008

Categories:Electrical & Electronics

Format : ico_bookePUB3 (DRM Protected)

Type :eBook

Rs.199 Rs.30 Rs.85% off

Preview Buy Now

Description :Protection And Switchgear of EE2402 covers the latest syllabus prescribed by Anna University, Tamil Nadu for regulation 2008. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT I INTRODUCTION

1.1 Importance of protective schemes for electrical apparatus and power system.

1.2 Qualitative review of faults and fault currents

1.3 Relay terminology and definition

1.4 Essential qualities of protection.

1.5 Protection against over voltages due to lightning and switching - Arcing grounds

1.6 Peterson Coil

1.7 Ground wires

1.8 Surge absorber and diverters Power System earthing

1.9 Neutral Earthing

1.10 basic ideas of insulation coordination.

UNIT II OPERATING PRINCIPLES AND RELAY CHARACTERISTICS

2.1 Electromagnetic relays

2.2 Over current relay

2.3 Directional and Non-Directional

2.4 Distance relay

2.5 Negative sequence Relays

2.6 Differential and Under Frequency relays

2.7 Introduction to static relays.

UNIT III APPARATUS PROTECTION

3.1 Main considerations in apparatus protection - Transformer protection - Protection of generator - Protection of motor - Protection of busbars - Transmission line protection

3.2 Zones of protection.

3.3 CT’s and PT’s and their applications in protection schemes.

UNIT IV THEORY OF CIRCUIT INTERRUPTION

4.1 Physics of arc phenomena and arc interruption.

4.2 DC and AC circuit breaking

4.3 Restriking voltage and recovery voltage - rate of rise of recovery voltage

4.4 Resistance switching - Current chopping - Interruption of capacitive current.

UNIT V CIRCUIT BREAKERS

5.1 Types of circuit breakers - Air Circuit Breaker and Air Blast Circuit Breaker - Oil Circuit Breaker - Vacuum Circuit Breaker or VCB - SF6 Circuit Breaker

5.2 Comparative merits of different circuit breakers

5.3 Testing of circuit breakers.

loading