Program Description

This course has a unique blend of fundamental concepts and engineering methodology for substations. The course is structured pragmatically to help the learner understand the industry practices in carrying out the engineering for substations and selection of various substation equipment in accordance with Indian & International Standards. In addition, it covers the electrical safety rules, safe operating procedures and an overview of maintenance practices to give a holistic understanding of the subject. This course also includes a module on digital substations, which discusses the Substation Automation Architecture and introduces communication using IEC 61850"


  • Explain the concepts behind substation engineering and design.
  • Demonstrate how to prepare and read SLD for substation.
  • Demonstrate how to size and select LV and HV equipment’s for
    power distribution, protection and switchgear.
  • Formulate and analyze erection key diagram, layout preparation and necessary sectional clearance in substation installation.
  • Assess multi-disciplinary approach in substation

Course login valid for 4 months from the date of enrolment

Key Highlights

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Electrical Calculations: Relay Coordination, Earth Mat Design. Both manual and ETAP software simulation with real industrial examples

Course enrollment data

Learning Format



14 weeks

Certified by

IITM Pravartak Technologies Foundation
Technology Innovation Hub (TIH) of IIT Madras and
L&T EduTech

Program Fee

Rs. 5300/- inclusive of Tax


Program Description

Program Brochure

Education Qualification

  • Students pursuing Diploma / UG / PG Programs in Elecrical & Electronics and other allied domains

  • Faculties in the field of Elecrical & Electronics and other allied domains

  • Working professionals in the above domains

Suggested Prerequisites

Basics of Electrical Engineering, Switchgear Knowledge

Teaching Hours

30 hours

Lead Faculty

Mr. Jembu Kailas KK, Lead Subject Matter Expert – L&T EduTech

Mr. Jembu Kailas KK is the Lead Subject Matter Expert (SME) in Electrical Engineering at L&T EduTech. He holds a B.E. degree in Electrical & Electronics Engineering and have 36 years of experience in designing, engineering, planning, and executing electrical projects. He is a member of IEEE, National Building Code, and QIC, as well as a member of IEEMA. He has presented 10 papers at national and international conferences. His expertise lies in electrical substations, power distribution, and industrial and building electrification.

Learning Schedule

Substation Introduction and Classifications, Busbar Types in Outdoor Switchyard, Outdoor /Indoor Substation - Auxiliary Equipment in a Substation, Standards and Practices, Factors Influencing Substation Design -Different factors like Altitude, Ambient Temperature etc. with animation, Selection of Dielectric Strength for Electrical Equipment with animation on creepage distance, Testing of Electrical Equipment, Concepts of Single Line Diagram.
Case Study:
•    Equipment and Accessories with actual sample site videos

Classification of Transformers with a practical overview, Transformer Percentage Impedance and Losses, Construction including busbar arrangement and safety features, Classifications of MV Switchgear and Key Design Parameters, MV Switchgear Construction, LV Compartment, Security Interlocks & General Arrangement, Control Circuit Components - Control Relays, Time Delay Relays & Latched Relays), Control Scheme Basics, Trip Lockout, TCS and Anti-pumping Circuits, Logic Schemes. Case Studies:
•    Transformer Installation techniques with actual site photographs with real case
•    Switchgear Compartments with actual sample site videos

Power System Network, Protection System, Overcurrent and Earth Fault, Overcurrent and Earth Fault – Coordination. Distribution Feeder Protection, Transformer – Unit/Main Protection, Transformer Protection, Familiarization of NUMERICAL Relays, Diesel Generator System, Instrument transformers (CT), Basics of AC/DC Auxiliary Power System & Sizing of Aux. Transformer, DC System Components, Battery Sizing & charger Sizing, DG Set Classification, and sizing.
Evolution of Substation Automation, Communication System Fundamentals, Substation Automation System: DI, DO, AI, AO, Remote Terminal Unit – RTU, Substation Automation Requirements – Time Synchronizing, HMI, SCADA.

LV Cables - Power & Control, MV Cables, Methods for Cable Installation, Practical aspects of Cable Sizing, Cable Glands, Lugs, and their Accessories, Types and Classifications of Surge Arresters, Characteristics of Surge Arresters, Illumination System Design, Equipment Layout engineering aspects for Outdoor Substation and related calculations and guide lines, Basics of Outdoor Air Insulated Substation up to 33 kV - Statutory Clearances, Practical approach to Cable routing layout for Outdoor S/S, Practical approach to Erection Key Diagram (EKD) for outdoor switchyard, Importance and Types of Earthing, Earthing Design, Types of Earthing Material, Lightning Protection.
Case Studies:
•    Practical aspects of Cable Sizing with Case Study
•    Lightning Protection design with a case study
•    BIM modelling of a 33/11kV Substation

Transformer Foundation, Fire Wall, and Fire Rated Doors, Civil & Structural Engineering - MV SS, Fire Detection & Alarm System and Fire Suppression System, Heating, Ventilation and Air-conditioning (HVAC) for Substation, Need for Maintenance of a Substation & schedule, Electrical Safety Rules, Standard Operating Procedures.

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