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3. Components, Battery Sizing & charger Sizing, DG Set Classification, and sizing.
4 . Operating principle of GIS, Advantage over AIS, construction of GIS.UNIT***
3.Methods for Cable Installation, Practical aspects of Cable Sizing, Cable accessories, Illumination System Design. ***
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SYLLABUS:
UNIT I SUBSTATION DESIGN DEVELOPMENT
Substation Introduction and Classifications, Different bus bar switching schemes for Substation.
Standards and Practices, Factors Influencing Substation Design - Altitude, Ambient Temperature,
Earthquake and seismic zones, pollution and corrosion etc., Testing of Electrical Equipment, Concept
and development of Single Line Diagram. Requirement of substation calculation.
UNIT II SUBSTATION EQUIPMENT
Selection and sizing of main substation equipment: Transformer, Isolator, Circuit Breaker, surge
arrestor, Instrument transformers, classification of equipment with a practical overview, and the
performance parameters. Classifications of MV Switchgear and Key Design Parameters, MV/LV
Switchgear construction and design of control scheme. Station Auxiliary equipment: Diesel Generator
System, Basics of AC/DC Auxiliary Power System & Sizing of Aux. Transformer, DC System
Components, Battery Sizing & charger Sizing, DG Set Classification, and sizing. Introduction to gas
insulated substation: Operating principle of GIS, Advantage over AIS, construction of GIS.UNIT
III PROTECTION AND SUBSTATION AUTOMATION
Power System protection, Overcurrent and Earth Fault protection and coordination. Distribution
Feeder Protection, Transformer – Unit/Main Protection, Familiarization of NUMERICAL Relays,
distance/differential protection for transmission line. Substation Automation: Evolution of Substation
Automation, Communication System Fundamentals-Protocol fundamental and choosing the right
protocol. Substation integration and automation functional architecture, Substation signal list - DI, DO,
AI, AO– Bay Control Unit (BCU), Remote Terminal Unit RTU.
UNIT IV SUBSTATION DESIGN & LAYOUT ENGINEERING
Layout aspects of Outdoor Air Insulated Substation and GIS: Statutory Clearances, Equipment Layout
engineering aspects for Outdoor Substation/GIS and related calculations, and guide lines, Cable
routing layout, Erection Key Diagram (EKD), switchyard earthing design as per IEEE80, Importance
and Types of Earthing, Earthing Design, Types of Earthing Material, Direct stroke Lightning Protection
for switchyard with IS/ IEC 62305. LV Cables - Power & Control, MV Cables, Methods for Cable
Installation, Practical aspects of Cable Sizing, Cable accessories, Illumination System Design.
UNIT V INTERFACE ENGINEERING
Civil & Structural Engineering - Familiarization of site development plan, equipment supports
structures, foundation for equipment, familiarization of control building and substation building,
infrastructure development, Mechanical System- Fire Detection, Alarm System and Fire Suppression
System for transformer, Heating, Ventilation and Air-conditioning (HVAC) for Substation.