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Engineering capability of Kumar consultants
Kumar Consultants Railway Systems CapabilityDownload

Engineering Design

Energy Systems in Railways and Tramways: Electrification & Plant, HV and LV Power Distribution( Traction Power as well as Non Traction Power), Trackside as well as Stations & Buildings or Depot for Railway and Tramway Infrastructure.

  • AC Traction Power System design
    • Selection of suitable traction power system( 25 kV AC, 2X25 kV AC, 3rd/4th Rail 750V DC, Overhead 750 V DC etc).
    • Traction System Simulation.
    • OLE/OHE and Pnatodgraph Dynamic Simulation
    • AC traction power schemes
    • Scheme Design for classical AC traction System( with BT & RC), without BT.
    • Scheme design for 2X25 kV traction Power Supply Substations( Conventional Substation of Convetor based Substation).
    • Interface with electricity distribution or transpisson companies for railway of all traction system
    • Detail Design including TSC/MPTSC/ ASS/Feeder Stations etc.
    • Detail Design including Cable Routing, Cable jointing, Cable connection with OLE etc.
    • Selection of broad parameters of OLE.( Mark 3, GEFF,Series 1, Series 2, Master Series OLE)
    • Survey including GI survey and OLE survey.
    • Scheme /Definitive/Basic Design for OLE systems.
    • Detail Design including Allocation Design for OLE System.
    • Isolation Diagrams and Isolation Instructions .
    • Entry Into Service documentation.
    • Construction Staging.
    • Electrical Safety during the entire life-cycle of the asset.
  • DC Traction Power System design
    • Traction Power Simulation for DC electrified railway.
    • DC Traction Power Schemes for Railways.
    • Interface with DNO and Power Supply Grids.
    • Scheme and detail designs for ETE, Negative Bonding, Conductor Rail Engineering, Hook Switches,Controlled Track Switches, Negative Short Circuiting Devices, Conductor Rail Heating, Positive Cables, Comprehensive Track Diagrams (CTD) etc.
    • DC Substation/Track Paralleling Hut( TP Hut) design.
    • 33kV/11kV power distribution design, HV switchboard, HV cabling
    • Conductor Rail Gapping Study and other measures to improve traction power supply to rolling stocks.
    • Electrical Safety during the entire life-cycle of the asset.
  • Traction Power System for Tramway design
    • Traction Power Simulation.
    • Traction Power with Battery Operated Tram for part of the route.
    • Traction power Scheme for Tramway ( 750 Volt Overhead System).
    • Details design for traction power including substations and feeder stations.
    • Stray Current related Scheme and details design in this for tramway system.
    • Its interfaces with other railway as well as power utility and other utility. infrastructure for on street as well as off street sections.
  • HV/LV Power Supply for Non traction purposes for railway and tramway design
    • Trackside Power Supply e.g. Signalling Power Supply, Point Heaters, Conductor Rail Heaters, Lighting, Tunnel Lighting, trackside power supply to FED/MOS etc. in trackside as well in Depot and Sidings
    • Scheme and Details Design for Signalling Power Supply for Class I as well as Class II systems in AC Electrified, DC Electrified or Non electrified areas.
    • Design for SIN 119 works on Signalling Power Supply
    • HV/LV Power Supply in Depot and Sidings for their facilities e,g. Wheel Lathe, Carriage Wash Facility, Heavy Repair Shops, Light Repair Shops, CET, Fuel Farm etc.
    • Interface with DNO
  • M & E Services design
    • Power Supply as well as lighting design within stations, buildings and depots.
    • Reliability of the power supply and their categories
    • UPS /battery backed power supply
    • Emergency Lighting
    • Fire Detection and Protection system in Stations and other Buildings
    • Power Supply to different Depots Facilities e.g. Carriage Wash Facility, Wheel Lathe Facility, Heavy Repair Facility, Light Repair Facilities, Test Track Facility, Controlled Emission Toilets(CET), Fuel Farms etc.
  • Earthing and Bonding and EMC in Railway Environment
    • Systemwide Earthing and Bonding in AC Electrified/DC Electrified/ Non electrified railway for both trackside as well depot/sidings
    • Earthing and Bonding for “Hot Sites”
    • Earthing design for special earthing requirement for restricting Rise of Earth Potential (RoEP)
    • Systemwide Earthing and Bonding at AC/DC Traction Interface Area
    • EMC(Electromagnetic Compatibility) for the Railway Infrastructure encompassing all disciplines
    • EMC compatibility of track circuits and Immunization of Track Circuits
    • EMC Management for the entire project
    • Special Interface requirements of DNO and other power supply companies for traction and non traction railway supplies,
  • Electrical Consultancy
    • Writing Engineering Standards
    • Consultancy for improving safety and reliability.
    • Managed Services.
    • Consultancy for minimizing whole lifecycle cost of assets.
  • Innovation in Energy System.
    • Use of distributed Solar Power at stations/trackside and depots.
    • DC distribution.
    • DC utilization.
    • Distributed captive power generation for stations and depot.
    • Solar Power for DC Traction use.

Train Control System including the Railway Signalling and Telecoms for Railways and Tramways

  • Headway calculation and Time Tabling studies
  • Selection of the signalling system and associated telecom system
  • Development of Concept of Operation
  • Conceptual Signalling Design
  • Integration of Signalling Design with Other Disciplines and Feasible Design Solutions
  • Development of Signalling Scheme Plan
  • Detail Design for Signalling system including specification for signalling equipment
  • Engineering Assurance for Signalling Design

Engineering Assurance

  • Design Assurance for the Conceptual Design, Prefeasibility Options, Option Selections with interdisciplinary consideration
  • Checking and approval of Scheme/Definitive Designs including interfaces
  • Ensuring proper design integration including its feasibility the staging of work
  • Supporting in writing CR-T ( Contract Requirements-Technical) as well as other contract/Requirements documents
  • Working as Project Engineers for Power Systems/ Signalling Systems/Telecom Systems/ EMC/ Earthing and Bonding/OLE/ETE and third rail /Substations/Signalling Power/ Electrification and Plants
  • Working as Designated Project Engineer

System Engineering

  • Requirements Management
  • Development and successive detailing of requirements
  • Detailed Engineering Requirements including Interface/Integration Requirements with different disciplines, external parties, railway infrastructure operators, sponsors, other interfacing projects
  • Routewide consideration for individual projects in a particular route.
  • Design Integration and Interface Management
  • RAMS( Reliability, Availability, Maintainability and Safety)
  • Independent Safety Assessment
  • System Safety
  • FRACAS
  • Presentation of documents for Safety Assessment Review/NoBo/AsBo
  • Preparation of Health Safety Files and Technical Files as well as for Project Authorization

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