Impedance Analysis in Power Electronic Systems with Spectral Estimation

Konferenz: PCIM Europe 2023 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
09.05.2023-11.05.2023 in Nürnberg, Germany

doi:10.30420/566091168

Tagungsband: PCIM Europe 2023

Seiten: 6Sprache: EnglischTyp: PDF

Autoren:
Haas, Tobias; Endres, Julian; Dressel, Bernd; Wist, Andreas; Ackva, Ansgar (Technische Hochschule Würzburg Schweinfurt, Germany)
Friedrich, Matthias (Hochschule Fulda, Germany)

Inhalt:
This paper presents a method of impedance analysis in power electronic systems during operation. The switching behavior of power electronic components causes harmonic excitation in a system. These harmonics in voltage and current are analyzed with a polyphase filter bank. Afterwards they are used to calculate the system’s frequency dependent impedance. The method is validated with simulations and verified by measurements of a real power converter. The results give incentive for further researches.