What is difference of Arc Fault from Arc Flash?
Definition of Terms It is a sad reality that even Electrical Engineers are not aware of the diffrences of arc faults and arc flashes. Arc faults and arc flashes are …
What is an arc fault?
An arc fault is a high-power discharge of electricity between two or more conductors. This discharge can manifest in a number of ways. Series Arc Fault Occurs in a single …
Switchboard Rating for Internal Arcing Fault Clearing Time and Peak Current Withstand
What is Internal Arcing Fault Clearing Time Switchboard rating for internal arcing fault clearing time is defined as the amount of time a switchboard or panelboard can withstand an internal …
Recommended References for Power System Design
These refences from well-known Electrical manufacturing companies and have published numerous technical references which are invaluable references when performing power system design. 1. ABB Electrical Swithgear Manual This manual provides …
IEC 60865 Short-circuit currents – Calculation of effects
What is IEC 60865? IEC 60865 pertains to standards set by the International Electrotechnical Commission (IEC) that address the effects of short-circuit currents in three-phase a.c. systems. The purpose of …
Arc-flash – hazards, mitigations and standards
What is Arc-Flash? Arc-Flash is a type of electrical explosion that occurs when an electrical current leaves its intended path and travels through the air from one conductor to another …