Background and overview
313-5000 series suburban DC electric multiple unit (EMU) trains built for
special rapid, rapid and ordinary services of Tokaido line are 6-car sets
consisting of 3 powered vehicles and 3 trailer vehicles. Fifteen 6-car
sets were delivered in 2006.
Car body
They have 2930mm wide body, incorporating light weight stainless construction.
They employ the roof plated integrated with rain water gutters for cost
reduction. Their pier panels (strength members) are also gotten rid of
to match various seating arrangements. Their bodies are unpainted and have
the orange waistline and headline bands running through the length of each
car below and above the windows. Their gangwayed cab end section painted
in white is constructed by steel. Their headlights are changed into projector
type high-Intensity discharge (HID) lamp and LED lamp. Anti-fall plates
and anti-yaw dampers between vehicles are also introduced excepting the
cab end. They are equipped with three 1300mm wide double-leaf automatic
sliding doors on each side of the vehicles. Horizontal band of 5 set fixed
windows having 930mm height are fitted between the doors and hopper windows
are at the end of their body. Double-glazing UV cut glass is employed for
all windows to improve noise insulation property and to prevent dew condensation.
Full-colour LED destination indicators are fitted on the side of their
body and a full-colour LED destination indicator and a full-colour LED
train-type indicator are fitted at the front of end vehicles. Two air conditioners,
C-AU715, rated at 21,000kcal/h/unit and employing R407C refrigerant, and
no ventilators are fitted on their roof. Loudspeakers, providing guidance
broadcast for passengers waiting at a station, are fitted on their roof.
End cars are equipped with the automatic jumper coupler to ease rush-up
operations.
Bogies
Motored bogies are C-DT63B and trailer bogies are C-TR251A, featuring bolster-less
secondary air suspension, corn-shaped multilayered rubber spring journal
supporting system, and the single link traction device. The yaw dampers
and semi-active dumpers are adopted to ensure smooth ride characteristics
even at 120km/h. Twin Disc (TD) flexible joint employing deflecting plates
made of carbon-fiber reinforced plastic (CFRP) is applied for power transmission
device. Motored bogies employ the single tread brake device adopting automatic
gap-adjusting unit, and trailer bogies employ both the double disk brake
device and the wheel tread cleaning device.
Traction unit and ancillary equipments
Their powered end vehicles, class kumoha313-5000, and their powered intermediate
vehicles, class moha313-5300, are equipped with a 3-step variable frequency
drive (VFD) traction system, C-CS37A, featuring Insulated Gate Bipolar
Transistor (IGBT) and controlling four asynchronous traction motors, C-MT66C,
with a power output of 185kW on truck basis. This traction system is integrated
with the auxiliary power supply unit with a power output of 150kVA (class
kumoha313-5000) or 80kVA (class moha313-5300). In case of the auxiliary
power supply unit failure, one VFD unit for traction motor drive can switch
to supply electricity as the backup auxiliary power supply unit. On the
other hand, powered intermediate vehicles, class moha313-5000, are equipped
with a traction system, C-CS38A, controlling four traction motors. Powered
vehicles are also equipped with a single arm type current pickup, C-PS27B,
on their roof. Trailer vehicles are equipped with a motor driven air compressor,
C-C1000ML, under their floor. 313-5000 series feature the electric commanding
brake with mixed regenerative-dynamic braking and holding brake, featuring
brake control of trailer priority and electric braking to zero speed.
Accommodation
Passenger accommodation consists of 2-2 abreast switchable transverse seating
with 875mm seating pitch with movable headrest keeping upright throughout.
Their lighting covered with the glass fibre. The air conditioning duct
is fitted above the ceiling in order to improve interior design and the
outlets of cool air are slit shape. Straps were fitted throughout their
body. A LED display for providing passenger information, and a door chime
are fitted above the door header of the sliding doors. Trailer end cars,
class kuha312-5000, are equipped with a universal access style toilet employing
an automatic wide sliding door, which can be operated manually by pushing
the buttons, and a chemical holding tank.
Additional delivery
JR Central additionally delivered one 6-car sets of 313-5000 series in 2010. They differ from former 313-5000 series in having yellow coloured floor at the doorway, employing 5mm thicker handrails with 30mm diameter and transparent fiber-glass reinforced plastic lighting cover.
Additional four 6-car sets were also delivered in 2012.
Operations
313-5000 series have used on special rapid, rapid and ordinary services of Tokaido line between Hamamatsu and Maibara from August, 2006. |
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