The first step in designing a substation is to design an earthing and bonding system. The earthing system
also ensures that no thermal or mechanical damage occurs on the equipment within the substation,
Thereby resulting in safety to operate. Substation design engineers typically work indoors in offices but
they do visit job sites when necessary.
There is a good scope of this course as it opens a gate to profuse amount of job opportunities for
engineers. Excellence and responsibility are key factors which work as a yin and yang factor for this
profession.
Our institute Advance Education Group a govt. Certified academy offers this course for fresher’s who
want to make a career in substation designing. Hardcore training is given as engineers are responsible
for designing of HT panels and electric transmission line system. Here faculty helps the student to
develop skills that are important to manufacture and implement design. Theoretical and practical
knowledge is given so that students can understand even the very small things possible in a design and
apply their practical knowledge to new tasks so as to match the speed of rapidly growing industry.
Opportunities don’t happen you need to create them. So work hard for your goal and we are there to
support you in every possible way.
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
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
- Light Design Software Like: CG-LUX,DAILUX AND HAVEL LIGHTING
-
Onlinne Substation Software : Power System Software
- Drafting Software
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