Relay Protection, Control, and Information Management in the Modern Power Systems ©. Volume 1.Volume 1 of this book is a compendium of a state of art of the protection systems in the conventional HVAC networks. The main chapters are dedicated to generators, transformers, lines, feeders and busbars protections, complementing them with all the necessary theories for an accurate analysis. Special emphasis has also placed on the analysis of electrical phenomena associated with protections, such as short circuits and the effect of high frequency