by Sakis Meliopoulos, Georgia Tech, USA The IEC61850 standard evolved through many innovations and attempts to harness the benefits of these innovations. Pivotal was the development of the first...
Issue 061 September 2022
Cover Art
Cover Story
Featured Articles
Revisiting Six-phase Line Transmission
by Alex Apostolov and S.S. (Mani) Venkata, USA Since the beginning of the 21st century the development and installation of renewable generation globally exploded exponentially becoming a source of...
Microgrid Protection Systems
by S.S.(Mani) Venkata, and Sukumar Brahma, USA Distribution-connected and behind-the-meter distributed energy resources (DERs), including generation and energy storage systems, are being increasingly...
Securing the Future Grid
by John Stewart, EPRI, USA The article describes EPRI’s Cybersecurity Vision 2030 My first personal experience with a utility cyber event began with an unusual email. This email was not however, part...
Common Substation Platform
by Paul Myrda, EPRI, USA and Herb Falk, OTB Consulting, USA Substations are becoming more complex both in the power delivery aspects but also in terms of the need to handle wide ranging data...
Editorial
Editorial – Issue 061 September 2022
When I was starting my career as a protection engineer half a century ago, we were living in an analog world. Everything we used was hard wired and performed a single function. And when I think about...
Last Word
The Road to Digitalization
by Eric Udren, Quanta Technology, USA This issue has memorialized George D. Rockefeller, originator of the computer-based protective relay. Separately, it presents the vision of future PAC...
The Guru
Interview with Pac World guru TW Cease
TW Cease graduated from the University of Arkansas in 1972 and later joined the Tennessee Valley Authority. Most of his work was in research and development on...
History
Testing Technology in the 1950s (Part 1)
by Walter Schossig, Germany, and Thomas Schossig, OMICRON electronics GmbH, Austria For the design and testing of relay protection systems the recommendations of the vendors as well as national and...