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 ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...

Testing relays is both an art and a science. As relay technicians inevitably learn in the field, pure theory-based understanding of protective relays is not nearly enough for the real-world situations ...

Accreditation of DEKRA’s Atibaia, Brazil, facility as a LoRa Alliance Authorized Test Lab (ATL), the first ATL in Latin and South America; The launch of the LoRaWAN Web Certification System (LWCS), ...