EE6702 Protection and Switchgear Syllabus
EE6702 Protection and Switchgear Syllabus Regulation 2013 Anna University free download. EE6702 Syllabus Protection and Switchgear pdf free download.
UNIT I PROTECTION SCHEMES EE6702 Protection and Switchgear Syllabus
Principles and need for protective schemes – nature and causes of faults – types of faults – fault current calculation using symmetrical components – Methods of Neutral grounding – Zones of protection and essential qualities of protection – Protection schemes
UNIT II ELECTROMAGNETIC RELAYS EE6702 Protection and Switchgear Syllabus
Operating principles of relays – the Universal relay – Torque equation – R-X diagram – Electromagnetic Relays – Overcurrent, Directional, Distance, Differential, Negative sequence and Under frequency relays.
UNIT III APPARATUS PROTECTION EE6702 Syllabus Protection and Switchgear
Current transformers and Potential transformers and their applications in protection schemes – Protection of transformer, generator, motor, busbars and transmission line.
UNIT IV STATIC RELAYS AND NUMERICAL PROTECTION EE6702 Syllabus Protection and Switchgear
Static relays – Phase, Amplitude Comparators – Synthesis of various relays using Static comparators – Block diagram of Numerical relays – Overcurrent protection, transformer differential protection, distant protection of transmission lines.
UNIT V CIRCUIT BREAKERS EE6702 Protection and Switchgear Syllabus
Physics of arcing phenomenon and arc interruption – DC and AC circuit breaking – re-striking voltage and recovery voltage – rate of rise of recovery voltage – resistance switching – current chopping – interruption of capacitive current – Types of circuit breakers – air blast, air break, oil, SF6 and vacuum circuit breakers – comparison of different circuit breakers – Rating and selection of Circuit breakers.
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