DCUPS Power for Alaska DOT
TEMPE, AZ - 04/26/2010 - Solar Traffic Controls (STC) recently teamed with
Advanced Traffic Products (ATP) to provide DCUPS systems for Wavetronix
sensors in Alaska. Their network of sensors was expanded and STC has
furnished another installment for deployment in Alaska.
The power systems do not include any solar components as there was
insufficient winter solar radiation to use a purely solar solution. Project
designers chose to install the systems on existing light poles.
Power is available at night so STC designed a Direct Current Uninterruptible
Power Supply (DCUPS) for the project. The unit accepts either 480 or 240VAC
from the lamp power circuit and steps it down to 120VAC to run the system
battery charger and heating circuit.
The system uses a marine-grade, three-stage battery charger to recharge the
battery each night. Due to cold temperatures at the site, each system
includes a thermostat and a heating pad in the battery compartment. In
addition, the battery compartment is insulated to help retain warmth. The
battery provides an uninterrupted DC power source for the sensor and
includes a low voltage disconnect circuit to protect the battery from too
deeply discharging.
For more information on STC's products and services, please stay here on our
website or send an email to info@solar-traffic-controls.com or call
480.449.0222.
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