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-3 Protection of Buildings and Allied Structures Against Building and Power Plant

• Method of Lightening protection
• Basic Consideration for Protection
• Calculations for Evaluating the Need for Protection
• Calculation of Protective Angles And Zone Of Protection For Various
• Forms of Air Termination
• Selection of lightening protection device
• Selection of ESE type Lightening Protection Rfer Std. l IS 2309,NFC 72-102

Module- 4 Cable Sizing and Selection of LT Cable and HT Cable

• 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-5 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-6 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-7 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

Module-8 Types of Protection used in Substation for BAYS

• Line Protection
• Bus Bar Protection
• Transformer Protection
• Bus and Line Reactor Protection
• Capcitor protection

Module-9 Design of AIS and GIS Substations from 11kv to 765 kv voltage

• Preparing the substation layout
• Substation switching Schemes
• Schemes Substation BAYS
• Electrical Clearances(Groud clearance, Phase to phase clearance, phase to earth and Safty clearance.
• SLD Design Design for 11kv,33kv,66kv,110kv,132kv,22okv,400kv & 756kv

Module-10 Design of AIS and GIS Substations from 11kv to 765 kv voltage

• Preparing the cost estimate
• Classes of estimates
• Equipment and material costs
• Installation costs
• Other costs

Module-11 AIS and GIS Substation Software

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