Issue 051 March 2020

Cover Art

Cover Story

Featured Articles


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...


Last Word

Last Word Opinions

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

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.



News Technology 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...

Industry News News

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...

Industry News News


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...

Conference Reports

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 TC57 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...