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519.1 - Guide for Applying Harmonic Limits on Power Systems

There is a need for guidelines that describe how the limits from IEEE 519-2014 can be applied in different situations. This document provides example applications of the procedures and limits in IEEE 519-2014. The following are specific purposes for this guide: * Provide general harmonic evaluation procedures for different classes of customers (industrial, commercial, residential) and for the application of equipment on the utility system. * Illustrate methods for evaluating harmonic levels at the point of common coupling (PCC). Examples should illustrate the concepts of the PCC, direction of harmonic current flow, the average maximum demand load current, the short circuit ratio (SCR), and the total demand distortion (TDD). * Provide examples of measurement procedures for evaluating harmonic voltages and currents at the PCC. The measurement procedures should address the time variations and the statistical characteristics of the harmonic levels. * Illustrate evaluation of harmonic levels for existing and new customers. * Illustrate methods of harmonic control at the customer level and on the utility system. Describe possible concerns for filter applications and possible interaction with other customers. The intent of this guide is to provide information that will assist users and utilities in meeting its requirements, as well as controlling harmonic levels to avoid problems.
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