Linear Time-Periodic Theory-Based Harmonic Resonance Analysis of Converter-Dominated Power System

Autor:	Huoming Yang, Sibylle Dieckerhoff, Peter Teske, Malte Eggers, Hendrik Just
Rok vydání:	2021
Předmět:	Physics Matrix (mathematics) Electric power system Harmonic Energy Engineering and Power Technology Resonance Voltage source Sensitivity (control systems) Electrical and Electronic Engineering Topology Impedance parameters Transfer matrix
Zdroj:	IEEE Journal of Emerging and Selected Topics in Power Electronics. 9:7422-7435
ISSN:	2168-6785 2168-6777
DOI:	10.1109/jestpe.2020.3041945
Popis:	This paper deals with the harmonic resonance investigation of modern converter dominated power systems considering asymmetric operation conditions. Initially, the complex domain harmonic transfer matrix (HTM) models for the grid-following voltage source converters (VSCs) and the asymmetric network are derived to fully capture the frequency coupling effect. Then, the classical resonance mode analysis (RMA) is generalized by describing the system with a time-periodic impedance matrix obtained from the reformulation of the HTMs to identify the resonance frequencies. Based on the eigen-analysis of the time-periodic matrix, the definition of the participation factor is modified to determine the propagation areas and corresponding severities of a certain resonance. In addition, the impact of the VSC’s controller and the grid asymmetry on the resonance characteristics are evaluated using a sensitivity analysis method. Finally, the effectiveness of the proposed methodology is validated by case studies in an exemplary multiple-converter system.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::24345349ee5da9696527957535d2e2fa https://doi.org/10.1109/jestpe.2020.3041945 Zobrazit plný text záznamu