Protective relays are critical power systems components, and it is essential to design and use them properly to detect power system issues. As NETA-certified technicians, we must be familiar with the ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sebastian Compagnucci Sebastian Compagnucci is deputy audience director. He ...

Just last month we trawled the internet for updates to our coverage of the Dynafin propulsion concept from marine giant ABB. Now the technology has been independently tested, which also gives us our ...

Abstract: This article describes some methods used in protective relay testing. Protective relays are a very important part of energy systems. Their purpose is to detect faults and switch circuit ...

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 ...

Abstract: The analysis of digital protection relays setting in a MV transformer station grounded via a low-ohmic resistor is presented. Theoretical background on low-ohmic resistor grounding in a ...