Protective Relaying, 4th Edition

Chapter 15

Microprocessor Applications and Substation Automation

15.1 Introduction

Technological developments over the past several decades have dramatically changed the way of life throughout the world. Developments and advances in microprocessor technology have been a primary driver of these changes. It was not too long ago that major sources of information and recent news were encyclopedias, newscasts, and newspapers. In recent times, just about anything you want to know can be found on the Internet within a few minutes. Not more than a decade ago, personal communications required hard wire connections or cumbersome and unreliable radio signals. Currently, a large portion of the population of the world can communicate reliably using small ...