Although new to the NEC, AFCIs are important for protecting against arc faults. Unsafe arc faults can occur as series or parallel arcs. A series arc can occur when the conductor in series with the ...

Have you ever wondered how disastrous an internal arc fault in low- or medium-voltage switchgear (e.g. in not internal arc classified / arc resistant switchgear) can be? An internal arc fault is rare, ...

Solid-state power controllers (SSPCs) are designed to replace mechanical circuit breakers, which work by tripping when the temperature of their internal sensors reaches a predetermined level (Fig. 1).

An electrical arc flash can occur when someone is verifying the presence of voltage, checking the balance of current, operating a switch, inspecting an energized cable or bus connections during ...

Utilities face growing pressure from industry regulators to increase network reliability. As such, electricity supply reliability indicators, namely the system average interruption duration index ...

Megger has introduced the new PFL20M, a safe, efficient and easy-to-use Power Cable Fault Locator. The PFL20M delivers an impressive energy surge of 1500 Joules at 16 kV, which allows the user to ...

In recent years, PV power station fire accidents have occurred frequently, which not only lose the power station property and power generation income, but also cause building damage and personal ...