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Installation Technique for XLPE Cable
June 28th, 2007
Y.Nishiyama
Cable joints are needed to connect cables with adequate interval.
Many joints
Many procedures of jointing Cost
Disturbing the traffic for a long time Public Safety
Troubles might occur at joints Reliability
Reduction the number of joints
Extend the cable length
Make much effort to extend the cable length
Why Long Cables are Useful?
South Route (1993/6)
Kawagoe-Nishinagoya
(2002/6)
６００ｍ
１，８００ｍ
Tokai-Matsugae (1998/3)
Ama-Matsugae (1999/6)
２，５００ｍ
Shield Wire
Jacket
Insulator
Conductor
MeteoricSheath
Length of the cable ( per 1 span )
275kV XLPE Cable (2,500 mm2) in CEPCO
South Route (Max Length 600m)
Cable Installation site
27km2circuits
Tokai-Matsugae Line (Max Length 1800m)
Cable Installation siteDischarging Cable
Transporting CableMotor rollers
19km1circuits
Ama-Matsugae Line (Max Length 1800m)
Least clearance Bridge
Installation site on the ship
23km2circuits
Kawagoe-Nishinagoya Line (Max Length 2500m)
Transporting Cable
Cable Installation site
Turntable14km
2circuits
500kV XLPE Cable (2,500 mm2) in TEPCOShin-Keiyo-Toyosu Line (Max Length 1800m)
Twin pulley system
Magnetic belt system
Traverse Cable Pay-Out Method
Career system for cable transfer in tunnel
40km2circuits
Cable
Rail
Guide Roller
Twin Pulley
Connecting Pipe
Cable Guide Roller
Magnetic belt
L-shape Steel Strip
Rail
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