by Bogdan Kasztenny, Schweitzer Engineering Laboratories, Inc. Canada We have been fortunate in the first century of power system protection. Power grids have been remarkably stable from the point of...
Issue 055 March 2021
Cover Art
Cover Story
Featured Articles
DER Function Modeling Principles for Protection and Control...
by Christoph Brunner, it4power, Switzerland and Alex Apostolov, USA The electric power industry is in a period of transitioning towards a grid with increased penetration of renewable distributed...
Semantic Interoperability of DERs Obtained by Standardized...
by Laurent Guise and Tom Berry, Schneider-Electric, France, and Frances Cleveland, Xanthus Consulting International, USA Interoperability requirements in the world of DER: Across the world, people...
Protection of Distribution Circuits with High Penetration of...
by Thomas E. McDermott, Pacific Northwest National Laboratory, and Sakis Meliopoulos, Georgia Tech, USA Acknowledgement: The work is supported by the U.S. DoE Office of EERE under SETO Agreement...
Adaptive Protection System with On-line Protection Security...
by Reza Ganjavi, Martin Mangold, Rainer Krebs, Siemens, AG, Germany, and Ashok Gopalakrishnan, Yaming Zhu, Wayne Dias, Siemens, Inc., USA Distributed Energy Resources (DERs) are mostly renewable...
Protection Challenges and Practices for Interconnecting Inverter...
(Based on Power System Relaying Control Committee Report of WG C32 of the System Protection Subcommittee) by Mukesh Nagpal-chair of the PSRC WGC32 of the SP Subcommittee PSRC WG 13: Chair –...
The Light at the End of the Tunnel
by Fred Steinhauser, OMICRON electronics GmbH, Austria The COVID-19 pandemic gave us a break and forced us to reconsider what we are doing. Will the reflection really turn out into substantial action...
Editorial
Editorial – Issue 055 March 2021
“That’s the way we always did it” simply doesn’t work anymore by Alex Apostolov, Editor-in-Chief We have talked many times about how the world around us is changing. It is not only the...
Last Word
It is winter. What can we do?
We live in the time of climate change that is having a significant impact on our lives and that we’re trying to help by producing more and more power based on distributed renewable energy...
The Guru
Interview with PAC World guru S.S. Mani Venkata
PAC World: When and where were you born? S.S.V.: I was born on June 28, 1942 in Nellore, South India, during the Second World War. My father, a distribution engineer in State Electricity Boards in...
History
Tests in the Grid or with Network Models the 1920s (Part 1)
by Walter Schossig, Germany, and Thomas Schossig, OMICRON electronics GmbH, Austria In the last issue we described secondary testing of relays utilizing test circuits and first test sets to produce...