Train 18
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.
The train utilizes the full range of Medha’s rolling stock products, including bogies, traction motors, traction converters, auxiliary converters, brake resistors, electrical panels, train control management system, driver’s desk, and passenger information system.
Features.
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
Case study gallery.
