Transmission risks A typical bolt of lightning carries an electric


current of 30,000 amperes (30kA). In the worst case scenario, a similar discharge travelling along a power line to a facility, or lightning striking a facility directly, can become a massive fire hazard. A lightning induced surge of current through an electrical network can cause the deterioration of electronic equipment and even start a fire inside electrical devices. Building protection systems play an essential


role in protecting a facility against direct lightning strikes. To be effective, the system should consist of a capture device to take the brunt of a lightning strike, as well as down conductors designed to convey the current into the inert earth. Any metallic frames should be linked together in a practice known as ‘equipotential bonding’, to protect workers from electrical shocks.


Knowledge is power


When designing or implementing an electrical installation, safety should always be at the


Alessandro de Danieli is offer marketing manager at Schneider Electric. For more information, view page 5


forefront of the mind. Specifiers and installers should be aware of the dangers of arc flashes, faults and current leakage, preferring smart solutions that monitor proactively and intervene automatically to prevent and limit the damages of electrical fire. Through analysis and monitoring of


real time data, devices connected by the internet of things (IoT) are able to tell us not only exactly when there is a problem, but also where the source of the issue is. This ability to anticipate and react quickly to hazards limits damage and protects contractors, engineers and end users from harm. Connected product and edge control software enables circuits to be monitored, which in turn safeguards the health of the installation while making it more reliable, efficient and safe


FOCUS


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