IEEE 519-1992 pdf download

01-10-2021 comment

IEEE 519-1992 pdf download.IEEE Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems.
Abstract: This guide applies to all types of static power converters used in industrial and commercial power systems. The problems involved in the harmonic control and reactive compen sation of such converters are addressed, and an application guide is provided. Limits of disturbances to the ac power distribution system that affect other equipment and communica tions are recommended. This guide is not intended to cover the effect of radio frequency interference.
Keywords: harmonic control, harmonics, reactive power compensation.
1.1 Introduction. The uses of nonlinear loads connected to electric power systems include static power converters, arc discharge devices, saturated magnetic devices, and, to a lesser degree, rotating machines. Static power converters of electric power are the largest nonlinear loads and are used in industry for a variety of purposes, such as electrochemical power sup plies, adjustable speed drives, and uninterruptible power supplies. These devices are usefu because they can convert ac to de, dc to dc, dc to ac, and ac to ac.
Nonlinear loads change the sinusoidal nature of the ac power current (and consequently the ac voltage drop), thereby resulting in the Alow of harmonic currents in the ac power system that can cause interference with communication circuits and other types of equipment. When reactive power compensation, in the form of power factor improvement capacitors, is used with these nonlinear loads, resonant conditions can occur that may result in high levels o harmonic voltage and current distortion when the resonant condition occurs at a harmonic associated with nonlinear loads.
1.2 Scope. This recommended practice intends to establish goals for the design of electrical systems that include both linear and nonlinear loads. The voltage and current waveforms that may exist throughout the system are described, and waveform distortion goals for the system designer are established. The interface between sources and loads is described as the point of common coupling; and observance of the design goals will minimize interference between electrical equipment
This recommended practice addresses steady-state limitation. Transient conditions exceed- ing these limitations may be encountered. This document sets the quality of power that is to be provided at the point of common coupling. This document does not cover the effects of radio-frequency interference; however, it does include electromagnetic interference with com munication systems.
1. 3 Application. This recommended practice is to be used for guidance in the design of power systems with nonlinear loads. The limits set are for steady-state operation and are recom- mended for “worst
case” conditions. Transient conditions exceeding these limits may be encountered.IEEE 519-1992 pdf download.

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