Most protection principles we use today have remained relatively unchanged since their introduction. A protection engineer from the 1920s would recognize transformer differential logic described in...
Issue 051 March 2020
Cover Art
Cover Story
Featured Articles
Proactive Protections – using Future-Proof Digital...
by Mital Kanabar and Jeff M, GE Renewable Energy – Grid Solutions, Canada In 1982, GE’s first commercially available microprocessor based Protect4A relay revolutionized the industry on...
Challenges in transformer protection testing
by Christopher Pritchard, and Georgii Tishenin, OMICRON electronics, Austria, andScott Cooper, OMICRON electronics, USA While the basic premise of transformer differential protection is...
Improvements in Line Differential Relays
by Roberto Cimadevilla and Javier Garcia-Villalobos, ZIV, Spain The use of line differential protection has been spreading more and more due to the increased availability of communication channels...
Unified IED modelling using IEC 61850 Flexible Product Naming
by Michael Haecker and Christoph Bennauer, Schneider Electric, Germany One of the main disadvantages of past communication standards have always been the limitations on the compatibility between...
Editorial
Editorial – Issue 051 March 2020
It is a changing reality When I go to a digital substation today, I see something completely different from the substations I’ve been to since the start of my career so many years ago. And it is...
Last Word
Last Word – Issue 051 March 2020
No more wires! Since the beginning of the electric power industry the protection, automation and control systems have been wired. We go to a substation control house and this is what we see – relay...
The Guru
The Guru – Jiri Biermann
To young engineers: Finding out something that is helpful is one of the deepest feelings in nature. The pleasure of the unknown is because it can be revealed.
History
Relay Testing – Test Sets and Testing Technology in the...
by Walter Schossig, Germany, and Thomas Schossig, OMICRON electronics GmbH, Austria Testing made easy (1993) In 1991 OMICRON already introduced a protection test set weighing only 15 kg that can be...
News
CIGRE B5 web site
CIGRE B5 website is now available to the members of the protection, automation and control community. It provides valuable information in the several sections of the website. From the main page the...
RFL™ GARD Pro™ IEC 61850 Gateway
HPS/RFL is proud to announce a major update to the GARD Pro protection communications platform to include support for IEC 61850 Edition 2. With this upgrade utilities can now utilize legacy...
Hitachi and ABB Power Grids
On 17 December 208 Hitachi announced its decision to acquire ABB’s power grids business and offer innovative energy solutions globally by combining ABB’s world-class offerings, including advanced...
RELYUM PCIe card
A market-ready solution for SMV analysis applications RELYUM PCIe card embeds specialized hardware for parallelized Sampled Measured Values (SMV) stream processing. This card is a smart pluggable...
TOSHIBA Introduces GRE200 Multi-function IED
Toshiba announces the launch of GRE200, a new multi-function protection and control device covering a wide range of applications from MV through HV/EHV networks. Featuring compact size for embedding...
Reliable Computing for Substation Automation – RSAPC
rugged substation automation PC – RSAPC The RSAPC is built by Welotec to bring Server grade performance, reliability and security to the harshest operating environments and meet the stringent...
TWX1: Testing ultra-high-speed line protection relays
Line faults can generate a traveling wave (TW) that propagates close to speed of light on overhead lines. Thus, TW are the first fault indicator arriving at the protection system and can be used to...
Blackout Watch – Issue 051 March 2020
by Troy Linkugel, USA Analysis of system power outages can help us learn and avoid similar events in the future. If you have information on any blackouts, please e-mail to: editor@pacw.org San Diego...
2020 Innovative Smart Grid Technologies NA
The 11th Conference on Innovative Smart Grid Technology (ISGT 2020), sponsored by the IEEE Power and Energy Society (PES), was held at the Grand Hyatt Washington, in Washington, DC, USA. The venue of...
DistribuTECH 2020
DistribuTECH 2020 Conference and Exhibition took place 28-30 january 2020 in San Antonio, TX, USA. The event was held at the Henry B. Gonzalez Convention Center, San Antonio, Texas, USA. The river...
Industry Updates
IEC TC 57 WG 17 Update
by Laurent Guise, France IEC TC 57 WG 17 engaged 2 years ago to develop an in-depth update of IEC 61850-7-420 Ed 1.0 standard in order to provide the market with a generic standard interface for all...
IEC 61850 – an Overview
by Christoph Brunner, it4power, Switzerland There is much going on, but we have also been able to accomplish some significant work in 2019 I am still occasionally surprised by how fast time flies. I...
IEEE PES PSRC Update – Issue 051 March 2020
by Catherine Dalton, Electric Power Research Institute (EPRI) PES Power System Relaying and Control (PSRC) Committee is responsible for the development of standards, guides and reports covering...
Exploring IEEE C37.246-2017
Guide for Protection Systems of Transmission-to-Generation Interconnections The electric power industry has experienced in the last three decades the introduction of what was initially called “non...
IEEE PSCC Update – Issue 051 March 2020
by James Formea, Eaton, USA The IEEE PES Power System Communications and Cybersecurity Committee (PSCCC) was happy to participate in another successful PES Joint Technical Committee Meeting in...
CIGRE B5 – Issue 051 March 2020
by Richard Adams, Ramboll, UK CIGRE Study Committee B5 News from CIGRE Study Committee B5 – Protection and Automation The location for the SC B5 Colloquium in 2021 has been decided as New...
