Traditional line protection incorporates elements in the phasor domain. Phasor-based line protection uses a full cycle of data and is subject to CT accuracy limitations, limiting operating speed and fault location accuracy. However, new advances in protective relay technology have facilitated the introduction of relays that operate in the time domain. By detecting and time-stamping the arrival of traveling waves …

NETA’s Corporate Alliance Partners (CAPs) are a group of industry-leading companies that have joined forces with NETA to work together toward a common aim: improving quality, safety, and electrical system reliability. Our continuing CAP Spotlight series highlights some of their individual successes as NETA World interviews A-Rent CEO Paul Seppanen. NWJ: Please briefly describe A-Rent Seppanen: A-Rent specializes in electrical …