An active damper to suppress multiple resonances with unknown frequencies

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Abstrakt

The increasing use of power electronics devices tends to aggravate high-frequency harmonics and trigger resonances across a wide frequency range into power systems. This paper presents an active damper to suppress multiple resonances with unknown frequencies. The active damper is realized by a high-bandwidth power converter that can selectively dampen out the wideband resonances. A cascaded adaptive notch filter structure is proposed to detect the frequencies of resonances, which makes the active damper different from the resistive-active power filter for harmonic resonance suppression. The performance of the active damper is validated by implementing it to suppress the resonances in a grid-connected inverter with a long power cable. The results show that the active damper can become a promising approach to stabilizing the future power electronics based power systems.
OriginalsprogEngelsk
TitelProceedings of the 29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014
Antal sider8
ForlagIEEE Press
Publikationsdato2014
Sider2184-2191
ISBN (Trykt)9781479923250
ISBN (Elektronisk)9781479923267
DOI
StatusUdgivet - 2014
Begivenhed29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014 - Fort Worth, TX, USA
Varighed: 16 mar. 201420 mar. 2014

Konference

Konference29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014
LandUSA
ByFort Worth, TX
Periode16/03/201420/03/2014
NavnI E E E Applied Power Electronics Conference and Exposition. Conference Proceedings
ISSN1048-2334

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