Contents I. Introduction
Too often the person specifying or ordering an electric motor is not aware of all of the critical information required for the motor supplier to provide the optimum product for a given application. IEEE Standard 841 [1] is a great starting point to assure that the basic application requirements are met for satisfactory operation in petro-chemical environments, but it is not enough in many cases. For instance, specifying the correct motor horsepower is a critical decision; yet, not all loading requirements fit within the available standard horsepower ratings. This document provides information on motor performance at various load points to assist in this decision.
