A Symmetrical Transformerless Hybrid Converter with Leakage Current Suppression

Zhongting Tang, Yongheng Yang, Mei Su, Hua Han, Frede Blaabjerg

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

5 Citationer (Scopus)

Abstrakt

Considering the high efficiency and flexibility, the transformerless hybrid converters with multiple outputs attract more and more attention in residential PV applications. However, the leakage current issue should be addressed properly to meet certain stringent safety regulations and standards. In this context, this paper presents a new symmetrical transformerless hybrid converter with simultaneous AC and DC outputs, while at the same time suppressing the leakage current. More specifically, a symmetrical boost-filter inductor is employed in the proposed converter to maintain a constant common mode voltage. The corresponding modulation methods with leakage current suppression for this converter are also proposed. Additionally, the derivation of the hybrid converter is summarized and one of its family topologies is presented as an example. Simulations are performed on a 3-kW hybrid converter system. The results have validated the performance of the proposed converter in terms of strong leakage current suppression, high power quality and also flexible reactive power injection.
OriginalsprogEngelsk
TitelProceedings of 2019 IEEE Energy Conversion Congress and Exposition (ECCE)
Antal sider6
ForlagIEEE Press
Publikationsdatosep. 2019
Sider6680-6685
Artikelnummer8912748
ISBN (Elektronisk)978-1-7281-0395-2
DOI
StatusUdgivet - sep. 2019
Begivenhed11th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2019 - Baltimore, USA
Varighed: 29 sep. 20193 okt. 2019

Konference

Konference11th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2019
LandUSA
ByBaltimore
Periode29/09/201903/10/2019
SponsorIEEE Industry Application Society (IAS), IEEE Power Electronics Society (PELS)
NavnIEEE Energy Conversion Congress and Exposition
ISSN2329-3721

Fingeraftryk

Dyk ned i forskningsemnerne om 'A Symmetrical Transformerless Hybrid Converter with Leakage Current Suppression'. Sammen danner de et unikt fingeraftryk.

Citationsformater