Module-1 Power supply arrangements traction substation (TSS/PSS/RSS)

• Type of Existing Substation
• Spacing and location of traction substation
• Energy consumption calculation
• 25 kV Supply at Traction Substations(220kV/132kV/110KV/66V to 25 KV )
• Selection and sizing of Traction switchgears
• Selection and sizing of DP isolator and SP isolator
• Selection of Busbar
• Selection and sizing of CT and PT
• Selection and sizing of LA
• Selection and sizing of Breaker
• Selection and sizing of Traction transformer
• Bus coupler interrupter
• Sizing calculation of control panel
• Sizing of earthing calculation/ earth mat design
• DSLP calculation
• Illumination design
• Control room design
• DC battery bank Sizing calculation
• Relay co-ordination for system protection
• Cable Sizing calculation

Module-2 Selection of traction overhead equipment (OHE)

• Design criteria OHE sectors and selection of equipment
• Feeding and Sectioning Arrangements
• Overhead Electrification and Catenary Lines
• Sub sectioning & parallel substation (SSP)
• Sectioning and paralleling post (SP)
• Bridging interruptor
• Neutral section
• Protection of OHE equipment’s
• Substation scheme Lighting Arrestor
• Auxiliary supply transformer design at post end
• Potential transformer design at each sub -sector
• Design and monitoring of interrupters
• Booster Transformer selection

Module-3 Selection and sizing of signaling/ monitoring equipment

• Materials Used in Cables
• Scheme of signalling
• Selection of Remote Control Centre (RCC)
• SCADA system
• RTU selection
• Communication Mode
• Communication Facilities
• Train Control/Section Control:
• Dy. Control Telephone:
• Stock Control Telephone
• Traction Loco Control
• Traction Power Control
• Emergency Control Circuit
• Hot Line Communication
• Walkie Talkie sets

Module-4 Electro Magnetic Interference & Electro Magnetic Compatibility

• Permissible limit of EMI and EMC
• Permissible capacitively – coupled current
• Coupling between circuits
• conductive coupling
• Electrostatic induction

Module-5 Railway Clearance crossing regulation

• Overhead crossing of power lines
• Recommendation of underground line buried near railway track
• Overhead transmission line clearance and ROW

Module- 6 Costing and Bill of material(BOM) of Traction System

• Costing and BOQ of Traction substation(TSS)
• Costing and BOQ of OHE system
• Costing of electrical equipment’s

Reference code and standard : Railway Board and Research Design and Organisation (RDSO), Indian electricity rule 1956, Indian Bureau of Indian standard (BIS)