To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

Inverter-based wind turbines behave differently during faults, limiting fault current and complicating traditional protection schemes. Zero-sequence voltage is a reliable polarizing quantity for ...

CHICAGO--(BUSINESS WIRE)--Littelfuse, Inc., the global leader in circuit protection, announces the AF0500 Arc-Flash Relay, which delivers arc-flash protection in a flexible design with unlimited ...