Harmonic voltage control with a STATCOM

Harmonic current control with converters is widely practiced, e.g. compensation of harmonics generated by a load. Control of harmonic grid voltage components is much more difficult due to the fact that the grid impedance for harmonic frequencies changes in a wide range, which changes the behavior of...

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Bibliographische Detailangaben
1. Verfasser:	Ronner, B.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Automatic voltage control Current control Frequency grid impedance for harmonics Harmonic voltage control Impedance Iterative algorithms Mesh generation Power electronics Power system harmonics Reactive power STATCOM Voltage control
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Beschreibung
Zusammenfassung:	Harmonic current control with converters is widely practiced, e.g. compensation of harmonics generated by a load. Control of harmonic grid voltage components is much more difficult due to the fact that the grid impedance for harmonic frequencies changes in a wide range, which changes the behavior of the control loop significantly. This paper shows how a STATCOM is used to reduce voltage harmonics in a high-voltage grid. Two methods to control harmonic grid voltage components together with simulation and measurement results are presented.