Commonwealth Edison recently conducted a survey of the utility industry on how to determine energy created during arc flash events. The limited information available focused on selecting arc-rated ...

A prototype arc fault circuit breaker (AFCB) for aircraft use has begun flight tests aboard a Navy C-9 at Naval Air Station Norfolk, Va. and is performing flawlessly, according to NAVAIR. The AFCB's ...

Recently, a short circuit testing trial for third-party electric vehicle charging piles has attracted widespread attention. This test aims to verify the protective capabilities and reliability of the ...

April 16, 2010 -- Reclosers were first invented in the 1940s. They utilized oil interruption and oil insulation inside heavy mild steel tanks that contained faults in the event of internal arc faults.

According to the National Fire Protection Association and the National Fire Incident Reporting System data, the five-year period from 1994 to 1998 averaged 73,500 annual electrical fires that were ...

Germany's Fraunhofer ISE announced it published a new international test standard for inverters that incorporate arc fault detection devices. The research institute said the new IEC 63027 standard ...

The Fraunhofer Institute for Solar Energy Systems ISE has developed a unique modular test stand for photovoltaic inverters with integrated arc fault detection. These integrated warning systems in ...

In arc fault circuit breakers, the choice of a fault detection sensitivity is generally made as a compromise between speed of detection and avoidance of nuisance trips. By using solid state switching ...

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, ...