Precise Inductor Current Ripple Distribution of Three-Level Active Neutral-Point-Clamped Inverter

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Abstrakt

In power electronic converters, the inductor current ripple affects the system power loss and should be minimized. This paper studies in detail the output filter inductor current ripple distribution of a three-level active neutral-point-clamped (3L-ANPC)inverter. The peak-to-peak current ripple per line cycle is precisely derived according to the modulation index. Then, the maximum current ripple is identified, and the concept of average current ripple is proposed to quantify the overall ripple level. An optimal operating point with minimum ripple level is found, and it is chosen as the nominal operation condition of the 3L-ANPC inverter. Simulations are performed in a case study to confirm the theoretical expectations.
OriginalsprogEngelsk
TitelProceedings of 2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia)
Antal sider8
UdgivelsesstedBusan, Korea (South)
ForlagIEEE Press
Publikationsdatomaj 2019
Sider1952-1959
Artikelnummer8796961
ISBN (Trykt)978-1-7281-1612-9
ISBN (Elektronisk)978-89-5708-313-0
StatusUdgivet - maj 2019
Begivenhed2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia) - Busan, Sydkorea
Varighed: 27 maj 201930 maj 2019

Konference

Konference2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia)
LandSydkorea
ByBusan
Periode27/05/201930/05/2019
NavnInternational Conference on Power Electronics
ISSN2150-6078

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