Semi-high-speed trains are a type of Electric Multiple Unit (EMU) designed for high-speed travel over long distances while ensuring a high level of passenger comfort. The latest semi-high-speed trains, developed in collaboration between Medha and ICF, are now operational with 50 units in service. Each train has a power rating of 11.5 MW, consists of 16 coaches, 8 of which are motorized, and are designed to operate at a maximum speed of 180 km/h.
50 new Semi-high speed train designed and assembled in collaboration with Integral Coach Factory Chennai. 37 more are under construction.
Complete suite of Medha’s Rolling stock suite of products are used in the Vande Bharat express being rolled out currently – Bogies, Traction Motor, Traction Converter, Auxiliary Converter, Train Control Management System, Drivers Desk, Passenger Information System, Onboard Safety devices, Multimedia displays.
Medha has designed, manufactured and integrated the whole suite of solution in to the train
Basic unit: 1 Driver Trailer Car (DTC) + 2 Motor Car (MC) + 1 Trailer Car (TC)
Train consist: 4 basic units (or 16 cars)
Max achievable speed: 180 km/h
Average acceleration: 0.8 m/s2 (0-40 km/h)
Average deceleration: 0.8 m/s2
Passenger capacity: 1102 seating
Line converter: 4 units per basic unit, 1800 V, 307 A per unit, underslung, IGBT based control and force air cooled, 32 bit DSP based traction computers, bogie level control.
Traction Converter: 4 units per basic unit, 1375 V, 121 A per unit, underslung, IGBT based control and force air cooled, 32 bit DSP based traction computers, bogie level control.
Auxiliary converters: 275 kVA 415 V 3-phase 50 Hz, and 235 kVA 3-phase 415 V 50 Hz, and 30 kW 110 V DC
AC Traction Motors: 252 kW, 3000 rpm, fully suspended
Controls: Microprocessor based TCMS with dual redundant ECN/ETB communication network
Drivers desk: driver control interface with 10.4 inch touch screen TFT, switches/push buttons and master controller
Battery bank: 110 V DC, 90 Ah per basic unit
Passenger Information
System: LED based in-coach display with audio announcements
““Vande Bharat is the new face of modern Indian Railways”.”
Ushering in a new era of high-speed, comfortable, and efficient travel.
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