Modeling and control of power converters in weak and unbalanced electric grids

Modeling and control of power converters in weak and unbalanced electric grids
Author :
Publisher : Universitätsverlag der TU Berlin
Total Pages : 236
Release :
ISBN-10 : 9783798332072
ISBN-13 : 379833207X
Rating : 4/5 (07X Downloads)

Book Synopsis Modeling and control of power converters in weak and unbalanced electric grids by : Just, Hendrik

Download or read book Modeling and control of power converters in weak and unbalanced electric grids written by Just, Hendrik and published by Universitätsverlag der TU Berlin. This book was released on 2021-11-25 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Grid converters increasingly affect power system operation due to the increasing share of renewable energy sources and less conventional power plants. This shift in power generation leads to converter-dominated weak grids, which show critical stability phenomena but also enable converters to contribute to grid stability and voltage support. This thesis presents critical parts of converter controls and describes models to assess their characteristics. These models are used to derive design criteria and dedicated stability analysis methods for grid converter controls. Der steigende Anteil an erneuerbaren Energien in den Energieversorgungsnetzen führt zur Verdrängung konventioneller Kraftwerke. Diese Entwicklung lässt umrichterdominierte und schwache Netzabschnitte entstehen, die kritischen Stabilitätsmechanismen unterliegen, allerdings auch ermöglichen, dass Umrichter aktiv zur Netzstützung und Netzstabilität beitragen können. Die vorliegende Arbeit beschreibt kritische Regelungskomponenten der Umrichter und deren Modellierung. Auf Basis der Modelle werden Auslegungskriterien für die Regelungen abgeleitet und dedizierte Stabilitätsanalysemethoden präsentiert.


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