Switchgear comprises electrical disconnect switches, fuses and/or circuit breakers that control, protect and isolate electrical equipment in electrical power systems. A switchgear fault (phase loss, ...

Arc fault detection is a critical issue in modern power and photovoltaic (PV) systems owing to the significant safety risks posed by unintended electrical discharges. These faults, occurring when ...

Residential electrical branch circuit breakers incorporate electronic and electrical technology in Arc Fault Circuit Interrupters that can turn off power to prevent fires if arcing occurs. This ...

The arc fault is an unintended arc created by current flowing through an unplanned path. Conventional overcurrent protective devices do not detect low level hazardous arcing currents that have the ...

There seems to be no limit to the questions regarding the benefits and pitfalls of arc detection. With the ever-increasing list of features and options available for equipment in the field of test and ...

Researchers from China's Tianjin University and inverter manufacturer Ginlong Solis have developed a novel AI-based method for DC arc detection in PV systems. A DC arc occurs in PV arrays when there ...

The term firefighter switch indicates a remotely controllable DC Disconnect with which the DC side of a photovoltaic system in proximity of the modules (or directly below the cable outlet) can be ...

Arcs are visible plasma discharges caused by electrical current passing through a normally non-conductive medium such as air. This phenomenon occurs when the current ionises gases in the air, ...

The new IEC standard 63027 will eliminate some of the weaknesses of the old UL 1699B standard, which did not simulate real operation sufficiently. Image: Fraunhofer ISE German research body Fraunhofer ...

The comparison figure between no arc-fault state and arc-fault state under various type of loads, ranging from 30 W–60 W. An arc fault is an electrical discharge between two conductors due to poor ...

Schweitzer Engineering Laboratories, Inc. (SEL) has announced the immediate availability of arc-flash detection capability in the SEL-751A Feeder Protection Relay, Schweitzer Engineering Laboratories, ...