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Γ-Type Five-Level Current Source Inverter
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DOI：10.1109/TPEL.2024.3380570.png)
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Abstract
En 中文
Conventional five-level current source inverters (CSIs) face issues with current imbalances, necessitating complex balancing controls. A recent innovation introduced the X-type five-level CSI, offering inherent current balancing. However, it demands a sizable dc inductance and exhibits reduced voltage gain at higher modulation indexes. This article presents a novel Gamma-type five-level CSI, requiring a significantly smaller dc inductor while achieving higher voltage gain and efficiency under large modulation indexes. Additionally, it maintains the inherent current balancing characteristic. Detailed derivations and calculations concerning inverter gain, passive components, transient voltage analysis, and efficiency are provided. The performance of this newly proposed inverter is validated through simulation and laboratory-scaled experiments.
Keywords:
Vectors
Inductors
Inverters
Topology
Switches
Voltage control
Pulse width modulation
DC inductance
five-level current source inverter
gain
inherent current balance
Journal
IF:
6.5
Papers:
1.7W
Citations:
8.3W
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Cited Papers
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