EP20

EP20
EP20-001 (delivered in 2011)
Type and origin
Power typeElectric
DesignerTRTrans (Transmashholding / Alstom / VELNII)
BuilderNovocherkassk Electric Locomotive Plant
Total produced80 (December 2021)
Specifications
Configuration:
 • UICBo'Bo'Bo'
Gauge1,520 mm (4 ft 11+2732 in) Russian gauge
Wheel diameter1,280 to 1,200 mm (50.4 to 47.2 in) (new/worn)
Minimum curve125 m (410 ft)
Length22.532 m (73 ft 11.1 in)
Width3.100 m (10 ft 2.0 in)
Height5.100 m (16 ft 8.8 in) (pantograph down)
Loco weight135 t (133 long tons; 149 short tons)
Electric system/s25 kV 50 Hz AC / 3 kV DC
Current pickup(s)Pantograph
Traction motorsBogie suspended six pole 1.2 MW (1,600 hp) asynchronous[1] DTA-1200A[citation needed]
TransmissionSix IGBT traction converters[2]
Bogie mounted traction motors, via gear to hollow shaft drive, with flexible couplings[3]
Train heating1200 kW [citation needed]
Loco brakeRheostatic 4500 kW (DC)/ 3200 kW (AC), regenerative 6000 kW, electropneumatic wheel disc
Performance figures
Maximum speed200 km/h (124 mph)
Power outputhourly : 7,200 kW (9,655 hp)[1]
continuous : 6,600 kW (8,900 hp)[1]
Tractive effort350 kN (0-74 km/h) 115 kN at 200 km/h
Career
Official nameОЛИМП (Olympus)[4]
Source: (Parkhomenko, Beregovaya & Pernička 2012, p. 85), except where noted

The EP20 (ЭП20) is a type of 6 axle Bo'Bo'Bo' electric passenger locomotive being built for Russian Railways by Transmashholding's Novocherkassk Electric Locomotive Plant. The locomotive was designed by TRTrans, a joint venture between Transmashholding and Alstom.

An order for 200 locomotives was placed in 2010, and the first production unit formally presented in 2012.

  1. ^ a b c Cite error: The named reference la was invoked but never defined (see the help page).
  2. ^ Parkhomenko, Beregovaya & Pernička 2012, p.89.
  3. ^ Parkhomenko, Beregovaya & Pernička 2012, p. 88.
  4. ^ Дмитрий Медведев посетил НЭВЗ (news report, video) (in Russian), Дон-ТР, 30 Nov 2012