2011 | 368 Pages | ISBN: 1849192235 | PDF | 7 MB
-Updated to reference distributed generation, smart grids and standard IEC 61850-Valuable to undergraduate and post graduate students, and design, maintenance and consulting engineersContents: An introduction to electrical protection concepts. The calculation of short circuit currents and their application to relay setting. The classification of relays. An introduction to numerical protection. Current and voltage transformers. Overcurrent relays. The protection of distribution feeders. Directional, differential and distance protection. Protection of industrial systems. The treatment of concepts on load shedding. The most recommended schemes for different substation arrangements. Communication application in relays and the new IEC 61850 Standard. Suggestions on installation, testing and maintenance of protection systems.