PROTECTION AND SWITCHGEAR AIM: To introduce the students to the various abnormal operating conditions in power system and describe the apparatus and system protection schemes. Also to describe the phenomena of current interruption to study the various switchgears. OBJECTIVES: i. T....
PART - A UNIT - 1 Switches and fuses: Introduction, energy management of power system, definition of switchgear, Switches - isolating, load breaking and earthing. Introduction to fuse, fuse law, cut -off characteristics. Time current characteristics, fuse material, HRC fuse, liquid fuse, Application of fuse UNIT - 2 Prin....
PROTECTION AND SWITCHGEAR Lecture notes pdf
UNIT I INTRODUCTION
UNIT II OPERATING PRINCIPLES AND RELAY CHARACTERISTICS
UNIT III APPARATUS PROTECTION
UNIT IV THEORY OF CIRCUIT INTERRUPTION
UNIT V CIRCUIT BREAKERS
SYLLABUS SWITCHGEAR AND PROTECTIVE DEVICES (3-1-0) MODULE-I (10 HOURS) Protective Devices: Philosophy of protection, Nature, Causes and consequences of faults, Zone of protection, Requirements of a protective scheme, Basic terminology components of protection scheme. Relay classification, Principle of different types of electromagnetic relay. General....