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Don't be caught off guard in the face of a natural disaster. Transportation systems need to be running at 100% to ensure that people can be quickly and safely evacuated from the affected area. In addition, lifesaving equipment and information technology must be protected from failure. With the complexity of modern networks, power may be interrupted even if only a few components are damaged. Many factors come into play when establishing a plan to safeguard your community. Are you prepared?
Generators and Backup Batteries for Medical Facilities are a Start: From wildfires in California’s wine country to hurricanes along the southern US border, millions of customers lose service during rolling blackouts. Outages can be fatal for people who require life support equipment to survive. Devices like respirators and feeding pumps require a generator or backup battery power to work. Quick notification of failures is critical. One option is a remote power manager, which is ideal to monitor and resolve issues when you cannot be onsite. A Smart Tracker Remote Power Manager displays faults through an embedded website and allows the user to reset the power to critical equipment with the click of the mouse.
Uninterruptible Power Supply (UPS): It is also important to outfit cities and neighborhoods with competent backup uninterruptible power supply (UPS) systems. The UPS delivers emergency power to a load when the main power source fails. These are typically used to protect computers, data centers, and telecommunication equipment, but they also play a vital role in keeping Intelligent Transportation System (ITS) networks afloat after a disaster.
Just imagine how difficult and unsafe it would be to drive out of an evacuation area without functioning traffic lights. Hardened line-interactive and double-conversion systems are two of the market’s most effective and reliable failsafe measures to protect devices in the case of emergency power shutdowns.
Line-Interactive Systems for Traffic Controllers: Line-Interactive Systems are often used to provide backup power to the traffic controllers operating intersections, signage along evacuation routes, conflict monitors, IP cameras, and camera equipment, lighting, and CCTV. They also maintain network communication connections during power outages and extreme weather events. People might be panicked trying to flee an area during a natural disaster, but line-interactive systems can ensure that traffic lights and other notifiers remain operational.
The major draw of line-interactive power supplies is that they monitor incoming voltage from a network’s utility power. With input voltage fluctuation, a processor-controlled buck and boost transformer will use the best possible output winding to regulate the output voltage. This allows us to maintain precise output voltage and prevent voltage spikes, surges and noise from affecting conflict monitors and network equipment. The Hardened EP Series by Multilink provides built-in intelligence and continuous operation during brownouts and voltage spike. With status monitoring capabilities through the LCD display, a serial interface and optional ethernet network card allow remote monitoring.
Durability of Double-Conversion Power Supplies: Double-conversion power supplies protect critical equipment such as life support devices and traffic fixtures. What makes the difference in a UPS during unexpected disasters is the durability of the product. Can it withstand the heat, humidity, and wind? A hardened EDP Double-Conversion Power Supply can withstand higher levels of heat and humidity than other systems on the market.
The beauty in this system is that it can deliver power with zero loss of output during outages, brownouts, or spikes. If the commercial AC line fails for any reason, the low voltage inverter within the power supply continues to provide power to the intersection or highway system load by utilizing the battery string to draw its operating power. After power has been restored, it reverts to Double Conversion operation, supplying power to the intersection or highway system while drawing operational power from the commercial AC utility line and simultaneously recharging the battery string.
Automatic Transfer Switches for Battery Charging: One highly valuable power supply accessory is the Automatic Transfer Switch. This intelligent equipment is an integral part of network architecture. It provides automatic power source selection, generator capabilities, and alarm reporting via dry contact relays and includes a maintenance bypass switch. This effectively allows an intersection to stay operable with generator power for even longer, even once the generator has been depleted.
Natural disasters come in many forms with many consequences, but there is one certainty: they are all devastating in some way. Fortunately, this can be mitigated if we can make sure that signals keep flashing and people can communicate in a crisis. As more cities update their power equipment to the latest line-interactive and double-conversion power supplies we will find ourselves better prepared for the unknown.
Before future events strike, our industry can be prepared to reach the people, so they have the amenities to call for help and keep critical equipment functioning as normal. We cannot control disasters, but we can keep them from getting worse by improving power and intelligent transportation technology.
Visit gomultilink.com/divisions/dot-its for a full line of products that protect our urban and rural communities from unnecessary outcomes.
Products of benefits to this topic:
EP Line-Interactive Power Supply Series
EDP Double-Conversion Power Supply Series
Safety Automatic Transfer Switch
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