Improved Dual Boost Mid-Point Clamped Five-Level Inverter Topology

This brief proposes a single-stage dynamic voltage boosting five-level active neutral point clamped (ANPC) inverter topology with continuous input current. The proposed topology can overcome the conventional ANPC five-level inverter drawbacks, such as the requirement of high dc-link voltage and 50%...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2024-06, Vol.71 (6), p.3221-3225
Main Authors: Sathik, M. Jagabar, Gopinath, N. P., Hota, Arpan, Vijayakumar, K., Mekhilef, Saad, Agarwal, Vivek
Format: Article
Language:English
Subjects:
Boosting
Capacitors
Clamping
Dual boost
Electric potential
Inductors
inverter
Inverters
neutral point clamp
Passive components
switched capacitor
Through-silicon vias
Topology
Voltage
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Summary:This brief proposes a single-stage dynamic voltage boosting five-level active neutral point clamped (ANPC) inverter topology with continuous input current. The proposed topology can overcome the conventional ANPC five-level inverter drawbacks, such as the requirement of high dc-link voltage and 50% utilization of dc-link capacitors. The proposed topology and its various modes of operation are detailed by highlighting the inductors' charging and discharging periods. Further, the design calculations for sizing the passive components and grid-tied control schemes are discussed. A detailed comparison is presented to show the superiority of the proposed topology compared to other recent topologies. Experimental results from a 1.6 kVA laboratory prototype and simulation results using the MATLAB/Simulink environment are presented to confirm the feasibility of the proposed topology.
ISSN:1549-7747
1558-3791
DOI:10.1109/TCSII.2024.3356171