What is it about?
One of the most complex disciplines in Electrical engineering is the Power System Protection which requires not only the well understanding of the different components of power system and their behaviors but also the good knowledge and analysis of the abnormal circumstances and failures that can occur in any element of power system. Moreover, the rapid changing and development in relays principles as well as in their technologies are additional factors that oblige those people working in the field to expand and update continuously their knowledge.
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Why is it important?
In this paper, we tried to shed light on the evolution of protective relays from the onset of the electrical energy to our days. We tried also to foresee the future prospects and trends in this area.
Perspectives
This paper helps to know about the history and the different types of relay classified according to the technology.
Pr Hamid Bentarzi
Universite M'Hamed Bougara Boumerdes
Read the Original
This page is a summary of: A review on protective relays’ developments and trends, Journal of Energy in Southern Africa, June 2017, Academy of Science of South Africa,
DOI: 10.17159/2413-3051/2014/v25i2a2674.
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