IEEE 242-1986 Buff (Color Book Series)

IEEE Std 242-1986
IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems

This publication presents in a step-by-step, simplified, yet comprehensive, form the principles of system protection and the proper application and coordination of those components that may be required to protect industrial and commercial power systems against any abnormalities that could reasonably be expected to occur in the course of system operation.