Impact of Nonlinear Dynamics on Converter DQ Impedance Measurement

Hong Gong, Dongsheng Yang, Xiongfei Wang

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1 Citationer (Scopus)

Abstrakt

This paper investigates the difference in the DQ impedance measurement using different perturbation signals. It is revealed that the nonlinear dynamics of converters in the dq-frame generate frequency-coupling responses which are overlapped at different frequencies when the multi-frequency perturbation is injected, leading to the inaccurate impedance measurement result. On the contrary, with the single-frequency injection, the frequency-coupling responses can be easily identified and removed in the impedance measurement. Simulation and experimental results confirm the correctness of the theoretical analysis.
OriginalsprogEngelsk
TitelProceedings of 2019 20th Workshop on Control and Modeling for Power Electronics (COMPEL)
Antal sider6
ForlagIEEE Press
Publikationsdatojun. 2019
Artikelnummer8769701
ISBN (Elektronisk)978-1-7281-1842-0
DOI
StatusUdgivet - jun. 2019
Begivenhed2019 20th Workshop on Control and Modeling for Power Electronics (COMPEL) - Toronto, Canada
Varighed: 17 jun. 201920 jun. 2019

Konference

Konference2019 20th Workshop on Control and Modeling for Power Electronics (COMPEL)
LandCanada
ByToronto
Periode17/06/201920/06/2019
NavnIEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
ISSN1093-5142

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