Created by: Glen Zhu | Updated Date: October 9th, 2023
The Intelligent Transportation System cabinet hosts many components needed to operate local intersections, control signs and ramp meters. Reliability is necessary to ensure safety of drivers as well as pedestrains. With the growing demand and more equipment is being inserted into the traffic cabinet.
A “dark” intersection is the worst-case scenario for a traffic signal cabinet. The interruption of power can be caused by transients that affect sensitive components within the cabinet. As a result of the disruption of power, drivers and pedestrians are placed at risk. Although traffic cabinets may use a SPD to protect the system if the SPD is series installed using an internal fuse upstream for additional protection, the SPD itself can create a loss of power.
LSP recommends using parallel-installed SPDs, to ensure that once the SPD reaches the end-of-life scenario it will not cause power loss. This reduces the risk of the “dark” intersection. Surge protection plays a vital role in preserving the integrity of equipment and, more importantly, protecting the lives of personnel.
The installation of Surge Protective Devices (SPDs) within the Intelligent Transportation System Cabinet is a measure that will not only extend the life of the circuit components but also increase the reliability of the system as a whole.
Traffic control, or Intelligent Transportation Systems (ITS) equipment, employ sensitive technology that must be protected from destructive over-voltages. Since decades, LSP has manufactured a complete line of Surge Protective Devices (SPD’s) to protect vulnerable equipment from the harmful effects of lightning strikes and other line disturbances. LSP is a world leader in surge protection solutions and provides a wide range of specialized protective products and components specifically engineered for transportation applications.
Surge Protective Devices are specifically engineered to protect ITS systems from these harmful surges so that the system can continue to operate, even after lightning surges. The SPD’s are designed to react to any overvoltage that is experienced in the system, such as one that would be caused by lightning or switching events. The instant a surge is detected, the SPD is activated and goes to work. By catching, absorbing and safely redirecting the electrical surge, a SPD prevents damage or destruction of your equipment. In addition the SPD stops the surge from propagating throughout the system.
SPD’s make it possible to easily prevent surges from destroying your ITS equipment. By conducting a risk analysis on your specific ITS system, you can determine the level of protection needed in order to maintain optimal, safe functionality and to prevent costly repairs or equipment replacement. Performing a risk analysis is based on factors such as the size of installation, location, the configuration of your ITS system and can be quickly done by a surge expert. It’s a small step that can have a big impact on the overall effectiveness of your ITS system!
AC Power SPD
Complete range of SPDs for every type of AC network. This wide range is splitted in Types following IEC standards: Type 1 for high-exposure areas, Type 2 for regular exposure and Type 3 for terminal protection.
Most of AC power SPDs use pluggable feature in order to ease maintenance operations.
DC Power SPD
As AC power network, DC power networks could be disturbed by surge voltages. LSP offers a range of SPDs for this purpose. Several DC voltages and surge discharge capabilities. DC power SPDs are using pluggable feature in order to ease the maintenance operations. DIN rail mounting.
Dataline interfaces are especially sensitive to surges. SPDs on data lines are highly recommended to bring the highest safety level for intelligent transportation systems. LSP range can answer to all the dataline and signal networks. SPD is available for DIN rail mounting, with pluggable feature or very small dimensions in case of numerous I/O to protect.
LSP offers a wide range of SPDs dedicated to HF coaxial lines. To protect equipment connected to radio systems and video coaxial cables. Available in the main coaxial connector versions, they are designed to be in series with the lines and connected to the earthing network. Bandwidth up to 6 GHz.
Ethernet PoE SPD
When LAN is used and the transmission is performed through copper lines (instead fiber optic), the risk of damage due to surge voltages is huge. Dedicated SPDs must be used at the both ends. LSP has designed a range of SPDs for Ethernet line or PoE surge protection of the remote devices, as LAN connected computers, Wifi Hotstops, IP Survey Cameras. The surge protectors are equipped with RJ45 connectors for easy installation and are available up to Category 6 cabling and 10Gbit Ethernet. Indoor or Outdoor applications.
Ethernet & PoE 19’’ rack SPD
When LAN is used and the transmission is performed through copper lines (instead fiber optic), the risk of damage due to surge voltages is huge. Dedicated SPDs must be used at the both ends. LSP has designed a range of multiport SPDs with 19’’ rack format for Ethernet line or PoE surge protection at the hub location on the operation center. The 19’’ rack surge protectors are equipped with RJ45 connectors for easy installation and are available up to Category 6 cabling and 10Gbit Ethernet. From 12 to 32 surge protected ports by panel.
Video Coaxial SPD
When video signal for survey are used through coaxial cables, SPDs are necessary on the lines. LSP offers a wide range of coaxial line surge protectors to be used directly on the cable. These SPDs are in compliance with all types of connectors and bandwidth.
Combined AC/Data SPD
Analog Video survey cameras must be protected against surge voltages as they are especially exposed. To provide efficient protection, SPD must be installed on the video coaxial line but also on the power supply (AC or DC), and control lines (pan, tilt, rotate, zoom operations). A «3-in-1» SPD to protect correctly all the incoming connections of the survey cameras.
Load Cell SPD
Weighting systems could be damaged by lightning surges and their failures will create huge problems in equipment destruction and production interruption. LSP has developed a specific SPD for the surge protection of the load cells (BP-LC).
LSP’s reliable surge protection devices (SPDs) are designed to meet the protection needs of installations against lightning and surges. Contact our Experts!