Framatome and SEL have installed the first safety-related digital protection relays in a US reactor at the Columbia GS in Washington.
GE Digital Energy has announced the Multilin 345 Transformer Protection Relay that provides users with a technologically advanced, easy to use, and cost-effective overcurrent transformer protection ...
Schweitzer Engineering Laboratories, Inc. (SEL) has announced wide-area-measurement-based control in a transformer relay for the first time. This enhancement to the SEL-487E Transformer Protection ...
Electrical distribution systems are characterized by dynamic operating conditions and complex network topologies, which pose significant challenges for the effective deployment of protection schemes.
Transformer secondary conductor protection for voltage levels less than 1,000V is adequately covered in Art. 240 of the National Electrical Code (NEC) – more specifically, Sec. 240.21(C)(4). There are ...
This application note presents different types of overvoltage protection devices for solid-state relays. The document also provides suggested recommendations on their selection and use with the Vishay ...
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Schweitzer Engineering Laboratories, Inc. (SEL) announced the release of a new solution for digital secondary systems that uses IEC 61850-9-2 Sampled Values (SV) data streams for protection, ...