Download GE SSC Automatic Train Protection User's Manual

GE Transportation
SSC
Automatic Train Protection
GE Transportation’s SSC Automatic Train Protection
Consequently, installation on an existing infrastructure
delivers safe, cost-effective operation and easy installation,
is simple and quick, with minimal traffic disruption.
without changing driving rules. This advanced train
protection system offers an innovative and unique design
on track-to-train data transmission for train control.
SSC Automatic Train Protection is an overlay spot train
protection system that uses microwave technology to
transmit signal and track information to the train. By
Unlike other solutions, deploying GE Transportation’s SSC
enforcing them, SSC Automatic Train Protection can
Automatic Train Protection does not require devices or
maintain the existing operating rules without requiring
cables mounted in the track area. Its wayside components
a massive re-training of railway staff.
are mounted line side, deriving their power from the
existing signals, eliminating the need for new power cables.
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Its modular design also allows optimizing the line’s
performance while improving safety.
SSC Automatic Train Protection
Components
eliminating the need to stop traffic for
Radio infill
both installation and maintenance, and
The system’s innovative radio infill
This system has two main components:
increasing vandal resistance.
function augments the performances
wayside and on-board units.
The wayside transmits the signaling
of the discontinuous automatic train
protection.
The wayside subsystem is overlaid
status to the on-board unit through
on the existing infrastructure and is
microwave track-to-train link. At each
designed to minimize installation costs
point of information, SSC Automatic
It guarantees:
• Required running capacity
and deployment time. Safe track-to-
Train Protection provides the applicable
•
train transmission occurs at signal
speed level for the line stretch after the
locations via a low-power microwave
signal.
channel.
On-board equipment
•
Maximum speed limits applied
even in those stretches of lines with
impaired visibility (e.g. excessively
short visibility distances)
Prompt reaction to signal aspect
change
The SSC Automatic Train Protection’s
SSC Automatic Train Protection’s on-
on-board unit equipment is a fail-
board equipment continuously ensures
safe supervision system with minimal
The radio infill function can be limited
the movement authority is enforced
impact on the driver’s operations.
to those signals that require continuous
with respect to the signaling status and
information to the train in advance so
Wayside equipment
speed information received from the
there is no need for full radio coverage
wayside. Otherwise, the driver receives
of the line.
Wayside components are installed at
the side of the line, typically one unit
a warning, and ultimately, braking
is enforced if the train driver fails to
Standards compliance
obey the warning. Train braking is also
GE Transportation’s SSC Automatic
The wayside consists of one encoder
enforced when a signal at danger is
Train Protection complies with the
and one transponder antenna, both
passed (SPAD protection).
most recent and demanding European
for each signal of the infrastructure.
with very low power consumption,
allowing them to safely be powered by
the signal lamps.
The wayside equipment including the
transmission device (i.e. transponder)
can be installed entirely on the signal
pole, reducing costs for installation,
The on-board also checks if any trackto-train transmission is missed due to a
distance-based linking function.
SSC Automatic Train Protection’s onboard unit is fast and easy to install
and maintain, with no device mounted
standards: CENELEC 50126, 50128,
50129 and 50159. SSC is CENELEC
SIL-4.
Environment: CENELEC 50125, 50155
(trackside part designed to -40°C to
+85°C range).
under the rolling stock.
To learn more,
visit www.getransportation.com.
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