ABSTRACT
Electric Utility Power Systems 9.1 INTRODUCTION Electric power equipment such as generators, transformers, and circuit breakers is interconnected to form a power system, a group of electrical equipment whose characteristics, and connections one to the other, have been coordinated so that all parts function together in a smooth manner. A power system’s purpose is to generate electric power and distribute it to consumers:
(1) It must do so economically, for cost is an important criterion in electric usage. Low cost electricity is very valuable to a nation, but high cost electricity is far less useful.
