KTX-Sancheon

KTX-Sancheon
KTX-Sancheon
	KTX-Sancheon class 110000
	First class interior
Manufacturer	Hyundai Rotem
Family name	KTX
Constructed	2008–present
Entered service	2010–present
Number built	71; Class 110000: 24 trains; SRT Class 120000: 22 trains; SRT Class 130000: 10 trains; Class 140000: 15 trains;
Number in service	71 Class 110000: 24 trains; SRT Class 120000: 22 trains; SRT Class 130000: 10 trains; Class 140000: 15 trains;
Formation	PC+8T+PC; PC: power car (traction head); T: trailer (intermediate passenger car);
Capacity	363 (Class 110000) 30 First Class (2+1); 328 Standard Class (2+2); +5 seats for disabled persons; 410 (SRT Class 120000) ; (SRT Class 130000) ; (Class 140000) 33 First Class (2+1); 372 Standard Class (2+2); +5 seats for disabled persons;
Operators	Korail, SR
Depots	Goyang, Osong
Lines served	Gyeongbu high-speed railway; Honam high-speed railway; Suseo-Pyeongtaek high-speed railway; Gyeongbu Line; Honam Line; Gyeongjeon Line; Jeolla Line; Donghae Line; AREX (until 2018)
Specifications
Car body construction	traction heads: steel; intermediate cars: aluminum
Train length	201 m (659 ft 5 in)
Car length	traction heads:22.69 m (74 ft 5.3 in); extreme intermediate cars:21.845 m (71 ft 8.0 in); intermediate cars:18.7 m (61 ft 4.2 in)
Width	traction heads:2,814 mm (9 ft 2.8 in); intermediate cars:2,970 mm (9 ft 8.9 in)
Height	traction heads:4,062 mm (13 ft 3.9 in); extreme intermediate cars:4.1 m (13 ft 5.4 in); intermediate cars:3.48 m (11 ft 5.0 in)
Floor height	1,125 mm (44.3 in)
Maximum speed	service: 305 km/h (190 mph); design: 330 km/h (205 mph)
Weight	empty: 403 t (397 long tons; 444 short tons); loaded: 434 t (427 long tons; 478 short tons)
Traction system	8 three-phase asynchronous induction motors; 4 IGBT-based VVVF inverters
Power output	8 x 1,100 kW (1,500 hp) (8.8 MW or 11,800 hp)
Acceleration	0.45 m/s2 (1.0 mph/s) up to 60 km/h (37 mph); 0 to 300 km/h (0 to 186 mph) in 316 s and 16.4 km (10.2 mi)
Deceleration	1.06 m/s2 (2.4 mph/s) (+5% -0% tolerance); from 300 to 0 km/h (186 to 0 mph) in 3.3 km (2.1 mi)
Auxiliaries	2 x 1.0 MW (1,341 hp), supplying 670 V DC; IGBT-based
Power supply	catenary
Electric system(s)	25 kV/60 Hz AC
Current collector(s)	pantograph; (type: single-arm, SSS400+)
UIC classification	Bo'Bo' + 2'(2)(2)(2)(2)(2)(2)(2)2' + Bo'Bo'
Braking system(s)	eddy current, regenerative, rheostatic, disc
Safety system(s)	ATS, ATP(Ansaldo), TVM-430
Coupling system	Scharfenberg
Multiple working	Yes
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge

The KTX-Sancheon (formerly called the KTX-II) is a South Korean high-speed train built by Hyundai Rotem in the second half of the 2000s and operated by Korail since March 2010. With a top speed of 305 km/h (189.5 mph), the KTX-Sancheon is the second commercial high-speed train operated in South Korea and the first domestic high-speed train that is designed and developed in South Korea.

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