EP20

Specifications
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 DTA-1200A
Transmission	Six IGBT traction converters; Bogie mounted traction motors, via gear to hollow shaft drive, with flexible couplings
Train heating	1200 kW
Loco brake	Rheostatic 4500 kW (DC)/ 3200 kW (AC), regenerative 6000 kW, electropneumatic wheel disc

Type and origin
Type and origin
Power type	Electric
Designer	TRTrans (Transmashholding / Alstom / VELNII)
Builder	Novocherkassk Electric Locomotive Plant
Total produced	80 (December 2021)

EP20
EP20
	EP20-001 (delivered in 2011)
Power type
Type and origin
Power type	Electric
Designer	TRTrans (Transmashholding / Alstom / VELNII)
Builder	Novocherkassk Electric Locomotive Plant
Total produced	80 (December 2021)
Configuration:;
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 DTA-1200A
Transmission	Six IGBT traction converters; Bogie mounted traction motors, via gear to hollow shaft drive, with flexible couplings
Train heating	1200 kW
Loco brake	Rheostatic 4500 kW (DC)/ 3200 kW (AC), regenerative 6000 kW, electropneumatic wheel disc
Maximum speed
Performance figures
Maximum speed	200 km/h (124 mph)
Power output	hourly : 7,200 kW (9,655 hp); continuous : 6,600 kW (8,900 hp)
Tractive effort	350 kN (0-74 km/h) 115 kN at 200 km/h
Official name
Career
Official name	ОЛИМП (Olympus)
	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.

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