EP20

EP20
EP20-001 (delivered in 2011)
Type and origin Power type Electric Designer TRTrans (Transmashholding / Alstom / VELNII) Builder Novocherkassk Electric Locomotive Plant Total produced 80 (December 2021)
Specifications Configuration: ​  • UIC Bo'Bo'Bo' Gauge 1,520 mm (4 ft 11+27⁄32 in) Russian gauge Wheel diameter 1,280 to 1,200 mm (50.4 to 47.2 in) (new/worn) Minimum curve 125 m (410 ft) Length 22.532 m (73 ft 11.1 in) Width 3.100 m (10 ft 2.0 in) Height 5.100 m (16 ft 8.8 in) (pantograph down) Loco weight 135 t (133 long tons; 149 short tons) Electric system/s 25 kV 50 Hz AC / 3 kV DC Current pickup(s) Pantograph Traction motors Bogie suspended six pole 1.2 MW (1,600 hp) asynchronous[1] DTA-1200A[citation needed] Transmission Six IGBT traction converters[2] Bogie mounted traction motors, via gear to hollow shaft drive, with flexible couplings[3] Train heating 1200 kW [citation needed] Loco brake Rheostatic 4500 kW (DC)/ 3200 kW (AC), regenerative 6000 kW, electropneumatic wheel disc
Performance figures Maximum speed 200 km/h (124 mph) Power output hourly : 7,200 kW (9,655 hp)[1] continuous : 6,600 kW (8,900 hp)[1] Tractive effort 350 kN (0-74 km/h) 115 kN at 200 km/h
Career Official name ОЛИМП (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.