The KTX operation and RS The KTX operation and RS Maintenance ExperienceMaintenance Experience

KOREA RAILROADKOREA RAILROADPh. D. Gil-Hyun, KangPh. D. Gil-Hyun, Kang

Korail Eurailspeed 2005

Introduction of KTX OperationLines were successfully opened from 1Lines were successfully opened from 1stst Apr 2004 Apr 2004The 2The 2ndnd Phase will be completed 2010 Phase will be completed 2010 1st phase of Kyeongbu Line: 408.5 (222.1) km1st phase of Kyeongbu Line: 408.5 (222.1) km

Total project cost : 19 billion US $Total project cost : 19 billion US $ New line(222.1km) and New line(222.1km) and two depots two depots Upgrade Conventional lines (186.4km)Upgrade Conventional lines (186.4km)

The Electrification of Honam Line: 250.6 kmThe Electrification of Honam Line: 250.6 km Daejeon~Mokpo line electrification Daejeon~Mokpo line electrification

Geographical characteristicsGeographical characteristics Minimum curve radius 7000m, 25/1000‰Minimum curve radius 7000m, 25/1000‰

47 tunnels on the new line(77.1km), 47 tunnels on the new line(77.1km), 86 bridges (83.4km)86 bridges (83.4km)

Complex traffic operation because of using Complex traffic operation because of using both HSL and CLboth HSL and CL

Dual Signal system Dual Signal system (CL ATS/UVH, HSL (CL ATS/UVH, HSL ATC/VFH),ATC/VFH), Neutral section(30) Neutral section(30)

Korail Eurailspeed 2005

Technical background of the KTXTechnical background of the KTXDevelopment of Rolling Stock Technology

Types of Roling Stock 1970 1980 1990 2000EMU, subway line No.1

Mild Steel Carbody, DC TM 301L Stainless Steel Carbody, AC TM

EMU,Kwachon,Bundang Ilsan line(PWM Converter & VVVF Inverter Control) GTO IGBT

EL, Joongang, Taebak line(Thyristor Control DC TM) Thyristor

EMU,VVVF Electric Locomotive(PWM Converter & VVVF Inverter control) GTO

DL, Diesel Electric Locomotive(1950~ EMD : 2000~7000) stream line 7000 series

Pushpull Diesel hydraulic Traction

HSR, KTX High Speed Train Mild Steel

Revenue service speed(km/h)110~120 140~150

300Signal

ATS (3/5 steps) ATC/ATSCentral Traffic Control System

Korail Eurailspeed 2005

KTX Operation and Maintenance KTX Operation and Maintenance ExperienceExperience

KTX MICS

KTX OIS KTX RCM KROIS

date ’04.4.1~7.15 ’04.4.1~7.15 ’04.4.1~7.15 ’05. 4.15~

Available train set

weekday 33 33 36 35~37

weekend 33 35 38 39

Number of trains

weekday 128 122 132 132~137

weekend 128 128 142 152

Train set: 46 sets

-Seoul depot: 1,313,334m2

-Busan Depot: 390,939m2

Maintenance Information System: CAI, RCM

Train Operation record: peak: 85%, normal: 80%

Korail Eurailspeed 2005

Before opening, 6 month, 12 month Before opening, 6 month, 12 month KTX system monitoringKTX system monitoring

KRRI,SNCF-I Technical CooperationKRRI,SNCF-I Technical Cooperation - 1- 1stst phase: Oct. 1999~Dec. 2000 - 2 phase: Oct. 1999~Dec. 2000 - 2nd - nd - Phase: Jan. 2001~Dec. 2002 Phase: Jan. 2001~Dec. 2002 - 3- 3rdrd Phase: Mar. 2003~Jun. 2004 Phase: Mar. 2003~Jun. 2004

Test and Data acquisition (2003~2005)Test and Data acquisition (2003~2005) - conventional line upgrade : 2003 - KTX system monitoring: 2003, 2004, 2005- conventional line upgrade : 2003 - KTX system monitoring: 2003, 2004, 2005 System monitering for the KTX safe operationSystem monitering for the KTX safe operation - wide range of investigations: 2004~2005- wide range of investigations: 2004~2005 - wheel rail interface, mechanical failures, noise and vibration, pressure waves etc.- wheel rail interface, mechanical failures, noise and vibration, pressure waves etc.

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monthYear 2004 Year2005

4 5 6 7 8 9 10 11 12 계 1 2 3 4 5

failure 18 16 11 10 5 9 8 3 1 81 6 3 4 2 5

KTX operation ExperienceKTX operation Experience The number of troubles are seriously improved in 2005

Korail Eurailspeed 2005

Threats to the KTX safe operationThreats to the KTX safe operationSwaying, Broken Anti-rolling device & ball joint

Cracks on the center pivotCracks on the center pivot: 20car traction Problem

Broken Reduction Gears

Korail Eurailspeed 2005

Future ProjectsFuture Projects Development of the New Brand Korean Development of the New Brand Korean

High-speed TrainHigh-speed Train Speed up the main linesSpeed up the main lines - High speed line: 350km/h - High speed line: 350km/h - Conventional line: upgrade over 200km/h- Conventional line: upgrade over 200km/h Preparation of 2Preparation of 2ndnd phase HS Line in 2010 phase HS Line in 2010 - High speed freight traction system- High speed freight traction system Order of the Honam & Cholla line Order of the Honam & Cholla line

New brand High speed trainsetNew brand High speed trainset : Jul. 2005~Dec. 2007/2008: Jul. 2005~Dec. 2007/2008 Cost: 400 billion WonCost: 400 billion Won - Maximum commercial speed 300/350km/h- Maximum commercial speed 300/350km/h - - Application of IT, Radio, GPS, GIS technologyApplication of IT, Radio, GPS, GIS technology - Interior design & Aerodynamic head design- Interior design & Aerodynamic head design IGBT/IGCT technology for the Asynchronous trIGBT/IGCT technology for the Asynchronous tr

action driveaction drive

Thank you for your attention!Thank you for your attention!