HŽ series 6112

HŽ series 6112 is a class of low-floor electrical multiple units manufactured by the Croatian company Končar Group, operated by Croatian Railways (Croatian: hrvatske željeznice, HŽ) and the Railways of the Federation of Bosnia and Herzegovina. Croatian Railways issued an international tender for the supply of Electric and Diesel Passenger Trains to replace the old and obsolete stock. Končar Group won the tender to supply 18 EMU train sets for local Zagreb Commuter Rail network initially, with order of up to 92 trains for the entire Croatian Railway Network to be delivered by 2016. The Railways of the Federation of Bosnia and Herzegovina also initially ordered one intercity train, with no indication of the company's intentions on ordering additional units.

HŽ 6112
Croatian Regional Electrical Multiple Unit
Type and origin
Power typeelectric
BuilderKončar & TŽV Gredelj
Build date2011
Total produced47
Specifications
Configuration:
​
 • AARBo’2’2’2’Bo’
Gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
Electric system/s25 kV 50 Hz AC Catenary
Current pickup(s)Pantograph
Performance figures
Maximum speed200 km/h (120 mph)
Power output2,000 kW (2,700 hp)[1]
Career
Nicknames'Motali'; 'Som'
LocaleCroatia, Zagreb

The prototype made its first test run at the Zagreb – Dugo Selo line on July 3, 2011.[2]

The construction, design and driving characteristics of the low-floor electric train enable optimized operations and increased traveling comfort in regional passenger traffic in regard to the length of the route.

Passenger space is uniform along the entire train, without partitions and stairs. Floor height is optimal for 550 mm high platforms. The train has up to eight doors on each side, which enables the rapid exchange of passengers, and an air-conditioned passenger compartment and driver's cab.

The main frame is a four-part welded steel construction linked with joints. The body consists of aluminum sandwich panels and windows. All bogies are equipped with air suspension systems, and two side drive bogies, while three free bogies are of the Jacobs type.

Three-phase asynchronous traction motors, fed from an electronic IGBT inverter provide high acceleration at start-up and a maximum speed of 200 km/h. The steering and diagnostic system is a microprocessor system that links the train subsystems with modern communication protocols that allow for linking up to three trains into one.

Main characteristics of EMU (Electric Multiple Unit)
  • bright, passenger-friendly interior with customized design
  • end-to-end walk-through passenger compartment, with no steps
  • up to 8 doors on each side for rapid passenger access
  • air-conditioned passenger and driver compartments
  • vacuum toilet-system, also suitable for disabled persons
  • ergonomically designed driver's cab
  • welded steel construction, glued aluminium sandwich panels
  • glass-fibre reinforced front section with automatic coupling
  • air-suspended bogies
  • redundant traction chain with IGBT power converters
  • microprocessor vehicle control system with train bus and diagnostic
  • multiple-unit control for up to three vehicles
Interior

Main technical specifications
  • Gauge: 1,435 mm (4 ft 8 1⁄2 in)
  • Catenary supply voltage: 25 kV, 50 Hz
  • Axle arrangement: Bo'2'2'2'Bo'
  • Seating capacity: up to 220
  • Standing capacity (4/m2 or 3.3/sq yd): up to 300
  • Floor height: 600 mm (1 ft 11 5⁄8 in)
  • Door width: 1,300 mm (4 ft 3 1⁄8 in)
  • Overall length: 75 m (246 ft 3⁄4 in)
  • Vehicle width: 2,885 mm (9 ft 5 5⁄8 in)
  • Vehicle height: 4,280 mm (14 ft 1⁄2 in)
  • Maximum weight: 172 t (169 long tons; 190 short tons)
  • Bogie wheel base
    • powered bogie: 2,700 mm (8 ft 10 1⁄4 in)
    • trailer bogie: 2,700 mm (8 ft 10 1⁄4 in)
  • Continuous power (on wheel): 2,000 kW (2,700 hp)
  • Starting traction force: 200 kN (45,000 lbf)
  • Max. acceleration at gross weight: > 1 m/s2 (3.3 ft/s2)
  • Max. deceleration: > 1.3 m/s2 (4.3 ft/s2)
  • Maximum speed: 200 km/h (120 mph)

References

http://www.koncar-kev.hr/docs/koncarkevEN/documents/24/2_1/Original.pdf

  1. http://www.koncar.hr/docs/koncareiHR/documents/52/Original.pdf
  2. "Kosor provozala novi vlak: Željeznica mora biti jedan od stupova gospodarstva" [Kosor takes new train for a spin: Railway must be one of pillars of the economy] (in Croatian). Nacional (weekly). 3 July 2011. Archived from the original on 1 July 2012. Retrieved 1 July 2012.


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