High-Frequency-Link Assisted 11-Level Packed U-Cell Inverter with Dynamic Switched Rectifier
4th Cognitive Models and Artificial Intelligence Conference, AICCONF 2026, Prague, Çek Cumhuriyeti, 24 - 25 Nisan 2026, (Tam Metin Bildiri)
- Yayın Türü: Bildiri / Tam Metin Bildiri
- Doi Numarası: 10.1109/aicconf69182.2026.11600639
- Basıldığı Şehir: Prague
- Basıldığı Ülke: Çek Cumhuriyeti
- Anahtar Kelimeler: Dynamic Switched Rectifier, HFL, MLI, Sensorless Control, Single DC Source
- Van Yüzüncü Yıl Üniversitesi Adresli: Evet
Özet
This paper proposes a hybrid methodology for an asymmetric Packed U-Cell (PUC) multi-level inverter (MLI) supporting voltage collection. Integration of two additional switches into the High Frequency Coupling (HFL) circuit enables modulation of the output between half and full amplitudes. This modification allows for adjustment of the DC bus voltages, enabling the conventional 7-level configuration to produce an 11-level output. Simulation analysis was performed using MATLAB/Simulink software. The operational stability of the introduced topology was verified under heavy inductive loading conditions (5Ω + 100mH) across an extended frequency band (25-200 Hz). For control purposes, the Nearest Level Control (NLC) strategy was implemented. This technique provides high-quality sinusoidal waveforms and achieves an efficiency of 95.02% while minimizing switching losses. Overall, this technique successfully expands voltage levels in MLI designs and increases their capacity to drive inductive loads. These features make it an economical option for application in renewable energy grids and industrial drive systems.