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Power Supply & EMU

Welcome to Power Supply & Electric Multiple Unit Directorate



Role of PS & EMU Directorate:

Power Supply & EMU Directorate is a unit of Research Designs Standards Organization at Lucknow engaged in developing design and standardization of electrical equipment and systems for Train Set, Electric Multiple Units, Metro Rolling Stock, Train Lighting, Air Conditioning and Power Supply related items of coaches and development of initial vendors for critical/safety items, with a view to achieve the Quality Objectives for improved suburban and main line services to Railway Passengers in terms of better comfort, safety, reliability, efficiency and maintainability of equipment. PS & EMU Directorate also has a work charged MRVC Cell under its control.


Organization Chart:


Brief Achievements in last one year:

  1. Introduction of Electric Train set is a priority project of Indian Railway. Technical specification of Propulsion Equipment and Control System for Electric Train Sets had been prepared by RDSO. The contract for procurement of 44 sets of Train Set has been finalized by Railway Board.
  2. The prototype of 12 car MEMU of ICF with M/s Medha electrics has been cleared for commercial service.
  3. The prototype of 12 car MEMU of M/s BEML with BT Electrics and ICF with M/s BT electrics has been cleared for commercial service.
  4. LHB Garib Rath type AC coaches having 83 berths are planned to be introduced on Indian Railways. For these coaches, specification for Set of Electrical Panels with under slung design of Switch Board Cabinets for first time in AC coaches, have been developed to facilitate provision of extra berths.
  5. The specification for energy efficient RMPU with special features of reverse cycle for heating, VVVF control for higher energy efficiency, light weight using Aluminum (Al) structure and activated carbon filter for improved air quality inside the coach has been finalized


Current Assignments in hand:

  • Design, development, manufacture, supply, testing and commissioning of Train set, Electrical Panels for LHB Garib Rath for higher passenger capacity, microprocessor control IGBT based 25 kV AC, 3-phase propulsion system and equipments for EMU/MEMUs.
  • Design and prototype clearance of 3 Phase propulsion electrics of M/s Medha, BHEL, Titagarh, CGPISL for Underslung MEMU and Underslung EMU.
  • Development of fully furnished rolling stock with DC propulsion system for Kolkata Metro.
  • Development of reverse cycle based AC Package Unit for air-conditioning coaches.


Source : WELCOME TO RDSO CMS Team Last Reviewed on: 09-12-2021  

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