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 ...

Schweitzer Engineering Laboratories, Inc. jas released a new solution for digital secondary systems that uses IEC 61850-9-2 Sampled Values (SV) data streams for protection, monitoring and control.

Roseville, Calif. — R2 Controls is providing an inexpensive way of remote sensing and high-speed remote relay control via its Modbus mixed signal remote terminal unit (RTU) for demanding field and ...

The PGT-0400 is a ground-fault-relay test unit designed to test current pickup level, time-delay and coordination of ground-fault protection. The tester injects current through the window of installed ...

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, ...