syllabus of Substation Design Course

AEDEI: Syllabus of Substation Design Course

Module-1 Sub-Station Design Development

  • Introduction to Bus-Bar Schemes
  • Detail Study of One and Half CB Scheme
  • Detail Study of Double Main and Transfer Bus Scheme
  • Introduction to Key SLD
  • Development of Detail SLD
  • Introduction to Equipments
  • Layout development from SLD
  • Inter Coordination between SLD, Plan and Section
  • Structure Loading Layout
  • Clearance Diagram Development
  • Cable Trench Layout Development
  • EKD & BOM Development

Module-2 Sub-Station Design Calculations

  • Rigid B/B Design
  • Flexible B/B Design
  • Wind Force Calculation
  • Sag Tension Calculation
  • Rigid SCF Calculation
  • Flexible SCF Calculation
  • Pinch Force Calculation
  • Cantilever Strength Calculation

Module-2 DESIGN AND ENGINEERING OF SWITCHYARD

  • Selection of project – Classification – Zone/Area wise
  • Electrical Clearance of substation
  • Insulation Coordinationcalculation of Equipment
  • Outdoor Substation Layout
  • Control Room Layout
  • Types of bus-bar schemes of Substation
  • Substation Main Equipment
  • sizing of Transformers
  • Reactive Compensation Equipment
  • Shunt Capacitors
  • Static VAR Systems
  • Selection and Sizing of Voltage Transformers (VT) for switchyards
  • Selection and Sizing of Current Transformers (CT)
  • HT/LT Circuit Breaker Selection and Sizing
  • Control& Relay Panels
  • Standard Protection Schemes for Substation and Transmission line
  • Substation Automation system design
  • Selection of PLC, Communication protocol
  • Benefits of Substation Automation system
  • Substation Automation with IEC 61850 Standard
  • selection and sizing of Disconnectors and earth switches (isolators)
  • selection and sizing of Lightning Protection
  • Selection of luminaries
  • Selection and sizing of Bus Support Insulators
  • Selection and sizing ofStrain Insulators
  • Power line carrier Equipment (PLCC)
  • Earthing of Switchyard
  • Cabling of Switchyard
  • Fire Protection Facilities in Substation
  • DC Auxiliary supply/ Battery bank Sizing and selection
  • Ref. Std
    • IEEE Std 80-2000 :Guide for Safetyin AC Substation Grounding.
    • IS 5613:Code of practice for design, installation and maintenance of overhead power lines,
    • IEC 60071-2:Insulation co-ordination – Part 2:
    • IEC: 62271-100:High-voltage switchgear and controlgear
    • IEC 826-1991: Technical report on loading and strength of overhead transmission lines.
    • IEC 60853:Sections on operating conditions – Reference operating conditions and selection of cable type
    • IEC 60949:Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects
    • IS 3646: Code of Practice for Interior Illumination
  • IEC60909:Short-circuit currents in three-phase A.C. systems

Module-3 Cable Sizing and Selection of single Phase and Three Phase
  • Load Details Calculation
  • Cable type and Construction features
  • Site Installation Conditions
  • Cable Selection Based on Current Rating of feeder
  • Base Current Ratings of feeder
  • Installed Current Ratings of Cable
  • Cable Selection and Coordination with Protective Devices
  • Feeders load detail
  • Motors load detail
  • Voltage Drop of cable
  • Cable Impedances
  • Maximum Permissible Voltage Drop by ANSI and IEC std.
  • Calculating Maximum Cable Length due to Voltage Drop
  • Short Circuit Temperature Rise calculation of cable
  • selection Minimum Cable Size Due to Short Circuit Temperature Rise
  • Initial and Final Conductor Temperatures withstand capability of cable
Ref.Std.IEC
  • IEC 60364-5-52:election and erection of electrical equipment –Wiring systems
  • IEC 60364-5-54:Selection and erection of electrical equipment –Earthing arrangements, protective conductors and protective bonding conductors
  • IEC 60502-2: Power cables with extruded insulation and their accessories for rated voltages from 6kV up to 30kV
  • IS 7098 (Part 2)-1985:Specification for Cross-linked polyethylene insulated PVC sheathed cables–Specification (3.3kV to 33kV).
  • IS 1255:Code of practice for installation and maintenance of power cablesup to and including 33 kV rating
Module-4 Earthing Design and Calculation of Power Plants
GENERAL GUIDELINES
  • Factors Influencing The Choice Of Earthed And Unearthed Systems
  • System Earthing &Equipment EarthingConnections To Earth
  • Resistance to Earth and Earth Electrode Current Density at The Surface of an Earth Electrode
  • Selection of an Earthing Conductor and Connection af an Electrode
  • Chemical Earthing Calculation
  • Voltage Gradient around Earth Electrodes
  • Connections to Earth Electrodes — Earthing And Protective Conductors
  • Earthing Arrangement for Protective Purposes
  • Earthing Arrangement for Functional Purposes
  • Earthing Arrangements For Combined Protective And Functional Purposes
  • Equipotential Bonding Conductors
  • Typical Schematic of Earthing And Protective Conductors
  • Earthing In Power Stations And Substations
  • Earthing Associated With Overhead Power Lines
  • Calculation of Earth Fault Currents
  • Measurement of Earth Resistivity
  • Measurement of Earth Electrode Resistance
  • Measurement of Earth Loop Impedance
  • Equipotential Bonding Conductors
Earhing Calculation For Switchyard And Power Plants
  • Step Voltage,Touch Voltage
  • Design Procedure
  • Calculation of Maximum Step And Mesh Voltages
  • Refinement of Preliminary Design
  • Application of Equations For EmAndesUse of Computer Analysis In Grid Design
  • Std. Ref. IS, IEC. IEEE, BS
    • IEEE Std 80-2000 Guide for Safetyin AC Substation Grounding.
    • BS 7430 Code of practice forEarthing
    • IS : 3043Code of Practice for Earthing

Module-5 DESIGN AND ENGINEERING OF TRANSMISSION LINE
  • Transmission Planning
  • Indian Electricity Rules and State Regulations for transmission line
  • Choice of Route of transmission line
  • Selection of conductors for Overhead transmission
  • Spacing of Conductors in transmission lines
  • Calculation of SAG and Tension
  • Overhead transmission line Clearance
  • Selection of structure Pole, Lattice, Tower
  • Survey of transmission line upto 220KV
  • Sag Template and Tower Spotting
  • Classification of soil of Soil for 220KV transmission line
  • Tower Erection at Site Condition
  • Choice of Spans for 440kV transmission
  • Transmission line Earthing Calculation
  • Selection of Transmission line Insulator and fittings
  • Overhead transmission line lightning Calculation
  • Transmission line maintaince and erection solution
syllabus-advance-electrical-design-institutue