Finance & Funding
Some people may not be familiar with the term bat- enclosure protecting the system components from envi-
tery backup system when used in the transportation ronmental elements and unintended access.
industry. This refers to a ruggedized, outdoor uninter- Historically, battery backup systems were not often
ruptible power supply (UPS) system designed specifi- used because they could only offer a very short amount
cally for traffic applications. of backup time due to the considerable amount of power
These systems provide a seamless transition to backup required by incandescent traffic signal lamps. LED tech-
power, offer long run times, are designed to withstand nology offers energy efficiency and a large reduction in
extreme temperatures and environments where heat, traffic signal power requirements. LED signal lamps use
cold, dust and debris can affect equipment, and are able 80 to 90 per cent less power than incandescent lamps.
to withstand vibrations caused by cars, trains, trucks, Battery backup power can now be effectively included
and buses that can interfere with system operation. Rug- as part of a traffic light system thus avoiding the conse-
gedized, outdoor UPS systems include a UPS control quences associated with power outages.
module providing sophisticated power conditioning
and filtering, fast transfer times, and advanced monitor- Out of the darkness
ing and communication capabilities. DOTs and local governments can quickly implement
Power conditioning and filtering manages line distur- traffic signal lamp conversions and installation of bat-
bances so that power is always available to the traffic tery backup systems, meeting the urgent need for eco-
system. Power conditioning can extend battery life and nomic stimulation through infrastructure projects. These
decrease systems costs by reducing the need to draw worthwhile projects will have an immediate, positive
power from the battery due to better management of impact on the public and the economy. Jobs will be cre-
power fluctuations. ated. Energy costs will be reduced. Fewer controlled
Specialized batteries are an integral part of an out- intersections will be left in the dark during power dis-
door UPS system. They provide dependable, long serv- turbances, thus reducing the risk of accidents and the
ice life regardless of environmental conditions. In colder costs associated with them, increasing intersection
climates battery heater mats are essential for keeping safety and keeping traffic moving. TH
batteries within optimal operating temperatures. Other
options, such as transfer and by-pass switches, locking Audey Korpus is marketing manager of Alpha Tech-
doors, generator connections, and ground mounting nologies Ltd. He can be contacted via email at
pedestals are required for specific installations. A well
akorpus@alpha.ca or visit the website:
designed ruggedized UPS is built into an outdoor rated
www.alpha.com/traffic
Security miles ahead
Tollway Solutions
by Magnetic Autocontrol
Security with Technology: In the fi eld of barrier systems for motorway and • Maximum reliability and constant performance
city tollgates Magnetic Autocontrol has set milestones for over 40 years. Our • High security with low closing forces
durable high-quality barriers were designed for high frequency in application
• Maintenance-free and compact solutions
and offer highest security both on planning and in operation.
• Permanent adjustment of drive unit
• Automatic opening in case of power failure
• Swing-away with automatic feedback
Magnetic Autocontrol GmbH
D-79650 Schopfheim / Germany
Phone: +49 76 22 / 6 95-5
E-mail:
info@ac-magnetic.com
www.ac-magnetic.com
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