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