History

Protection Relays - Continued

by Walter Schossig, Germany

This article is continuation from the March 2014 issue and covers the development of the first digital relays by several additional manufacturers based on information provided by the them. AEG, Basler, BBC/ABB, EAW, ELIN, GEC/ALSTOM have been covered in the last issue. Further developments of the different vendors will be covered in the next issues. Any comments and additional remarks are most welcome. The vendors appear in alphabetic order. More

BeijingSifang June 2016