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KTX-Sancheon

"KTX-II" redirects here. For the supersonic advanced trainer aircraft known as KTX-2, see KAI T-50 Golden Eagle.
KTX-Sancheon
KTX-Sancheon class 110000
First class interior of class 110000
ManufacturerHyundai Rotem
DesignerMBD Design[1][2]
Family nameKTX
Constructed2008–2017
Entered service2010
Number built71
  • Class 110000: 24 trains
  • SRT Class 120000: 22 trains
  • SRT Class 130000: 10 trains
  • Class 140000: 15 trains
Number in service70
  • Class 110000: 24 trains
  • SRT Class 120000: 22 trains
  • SRT Class 130000: 10 trains
  • Class 140000: 14 trains
FormationPC+8T+PC[3]
  • PC: power car (traction head)
  • T: trailer (intermediate passenger car)
Capacity
  • 379 (Class 110000)[4]
  • 410 (SRT Class 120000)[5]
  •        (SRT Class 130000)[5]
  •        (Class 140000)[6]
  • 33 First Class (2+1)
  • 377 Standard Class (2+2)[7]
OperatorsKorail, SR
DepotsGoyang, Osong
Lines servedGyeongbu 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)
Gyeonggang Line (until 2021)
Specifications
Car body construction
  • Traction heads: Steel[8][9]
  • Intermediate cars: Aluminium[8][9]
Train length201 m (659 ft 5 in)[8][4][5][6]
Car length
  • Traction heads:
  • 22.7 m (74 ft 5.7 in)[10][4][6]
  • Extreme intermediate cars:
  • 21.845 m (71 ft 8.0 in)
  • Intermediate cars:
  • 18.7 m (61 ft 4.2 in)[11]
Width
  • Traction heads:
  • 2.814 m (9 ft 2.8 in)[10][4][6]
  • Intermediate cars:
  • 2.97 m (9 ft 8.9 in)[12][5][9]
Height
  • Traction heads:
  • 4.062 m (13 ft 3.9 in)[10]
  • Extreme intermediate cars:
  • 4.1 m (13 ft 5.4 in)
  • Intermediate cars:
  • 3.75 m (12 ft 3.6 in)[9]
Floor height1,125 mm (44.3 in)
Maximum speed
  • Service:
  • 305 km/h (190 mph)
  • Design:
  • 330 km/h (210 mph)[4][5][6]
Weight
Axle load17 t (17 long tons; 19 short tons)[7]
Traction system8 three-phase asynchronous induction motors
4 IGBT-based VVVF inverters
Power output8 x 1,100 kW (1,500 hp) (8.8 MW or 11,800 hp)[8][11]
Tractive effort210 kN (47,000 lbf)[7]
Acceleration
  • 0.45 m/s2 (1.6 km/(h⋅s)) up to 60 km/h (37 mph)[10][7]
  • from 0 to 300 km/h (0 to 186 mph) in 316 s and 16.4 km (10.2 mi)[10]
Deceleration
  • 1.06 m/s2 (3.8 km/(h⋅s)) (+5% -0% tolerance)[10]
  • from 300 to 0 km/h (186 to 0 mph) in 3.3 km (2.1 mi)[13][4][6]
Auxiliaries2 x 1.0 MW (1,341 hp), supplying 670 V DC
IGBT-based[14]
Power supplycatenary
Electric system(s)25 kV/60 Hz AC
Current collector(s)pantograph
(type: single-arm, SSS400+)[15]
UIC classificationBo'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 systemScharfenberg
Multiple workingYes
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

The KTX-Sancheon (Korean: KTX-산천; Hanja: KTX-山川 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.

SRT class 120000 (The train that used to run to the KTX Sancheon)
  1. ^ "L'Observeur du design 2008 à la Cité des sciences et de l'industrie". Observeur du design 08. Archived from the original on 1 March 2024. Retrieved 14 January 2025.
  2. ^ "KTX-II TGV". Archived from the original on 14 January 2025. Retrieved 14 January 2025.
  3. ^ Cite error: The named reference plans2010 was invoked but never defined (see the help page).
  4. ^ a b c d e f g "홍보센터 > 기차소개 > 고속열차 > KTX-산천 - 한국철도공사". Korail (in Korean). Archived from the original on 23 December 2024. Retrieved 14 January 2025.
  5. ^ a b c d e f "Overview | Overview < SRT < 영문홈페이지 - SR". Super Rapid Train. Archived from the original on 27 December 2024. Retrieved 14 January 2025.
  6. ^ a b c d e f g "홍보센터 > 기차소개 > 고속열차 > KTX-산천(원강) - 한국철도공사". Korail (in Korean). Archived from the original on 14 January 2025. Retrieved 14 January 2025.
  7. ^ a b c d "2016/17 Policy Consultation III: Implementation Plan for Construction of High-Speed Railway Infrastructure in Myanmar" (PDF). Archived from the original (PDF) on 14 January 2025. Retrieved 14 January 2025.
  8. ^ a b c d e Cite error: The named reference Rotem-pdf was invoked but never defined (see the help page).
  9. ^ a b c d "KORAIL high speed train (KTX-II)". Hyundai Rotem. Archived from the original on 14 December 2009. Retrieved 23 January 2025.
  10. ^ a b c d e f Cite error: The named reference myktx-el was invoked but never defined (see the help page).
  11. ^ a b "최고시험속도 400km/h 동력분산식 차세대 고속열차 개발(HEMU-400X)". Korean Rail Technology (in Korean). January–February 2009. Archived from the original on 2011-07-21. Retrieved 2011-03-13.
  12. ^ Cite error: The named reference 5years was invoked but never defined (see the help page).
  13. ^ "KTX의 길이, 중량, 편의시설은 어떻게 되나요?". Korail. Archived from the original on 2011-07-22. Retrieved 2010-11-07.
  14. ^ "KTX-II" (PDF) (in Korean). Rotem. Archived from the original (PDF) on 2011-07-22. Retrieved 2010-11-19.
  15. ^ Cite error: The named reference panto was invoked but never defined (see the help page).

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