The OMICRON Protection Testing Library (PTL) is a comprehensive library providing test templates for a varied and significant number of protection devices. Specifically tailored for CMC test sets, the ...

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 ...

Relay testing is one of those challenging areas where there never seems to be a shortage of questions. The technology adopted in both the relays themselves and in the equipment used to test them is ...

Traditionally, testing protection systems in power distribution networks has been a time-consuming process involving many separate steps. But an alternative approach is now available which allows all ...

Many of the electrical power networks have seen significant changes over the last few years. Due to the change in energy policy, today’s power is fed into these grids at many different points while ...

Electronic relays have evolved a lot since their introduction in the early '30s, but their basic purpose hasn't changed. Transistors and integrated circuits have replaced vacuum tubes and the term has ...

Schweitzer Engineering Laboratories, Inc. (SEL) added an optional touchscreen display to the SEL-751 Feeder Protection Relay that allows users to easily navigate settings options and create custom bay ...