by Mark Adamiak, Adamiak Consulting LLC, USA and Volker Leitloff, RTE, France The structure of the electric power grid has started and will continue to change dramatically over the coming years with...
Issue 057 September 2021
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...
Transmission Line Protection for Systems with Inverter-based...
by Ritwik Chowdhury and Normann Fischer, SEL Inc. USA The need for clean, sustainable energy has led the power industry towards inverter-based resources (IBRs). The portfolio of electric power...
Testing at the Speed of Light
Integrated testing of Superimposed-component and Traveling-wave Line Protection by Christopher Pritchard, OMICRON electronics, Austria Fault locators using traveling wave (TW) detection, have been...
Editorial
Editorial – Issue 057 September 2021
by Alex Apostolov, Editor-in-Chief Before we can start thinking about PAC in the future grid, we need to make clear that we understand what we will consider the future grid and then we can talk about...
Last Word
NDER
When we talk about the future electric power grid without any fossil fuels based generation we are concerned that we will live in a completely different environment from what we have today based on...
The Guru
Interview with PAC World guru Solveig Ward
PAC World: When and where were you born? S.W.: August 22, 1954. Stockholm, Sweden. PAC World: Where did you grow up and where did you go to school? S.W.: Vallingby, a suburb of Stockholm. PAC World:...
History
Testing Technology in the 1930s (Part 1)
by Walter Schossig, Germany, and Thomas Schossig, OMICRON electronics GmbH, Austria The “acceptance testing” meant a secondary test at test benches of the vendor or in the lab of the utility...