Phase-shift Switching Algorithm For PUC5 Inverters
H. Zhu (TU Delft - Electrical Engineering, Mathematics and Computer Science)
H Vahedi – Mentor (TU Delft - DC systems, Energy conversion & Storage)
P. Bauer – Graduation committee member (TU Delft - DC systems, Energy conversion & Storage)
Mohamad Ghaffarian Ghaffarian Niasar – Graduation committee member (TU Delft - High Voltage Technology Group)
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Abstract
Multilevel inverters are widely used in industries for higher power applications due to low harmonic pollution and high efficiency. On the other hand, the phase-shift switching technique is well-known for its harmonic mitigation performance. However, phase-shift switching has not been regularly implemented on multilevel inverters due to complexity at a higher number of levels and difficulty in voltage balancing of the auxiliary capacitors in the configuration. In this project, the five-level Packed U-Cell inverter (PUC5) will be investigated to design and implement a phase-shift switching technique with an integrated voltage balancing algorithm. The developed technique will be implemented on the real-time simulator and hardware setup.
A literature review will be done on phase-shift switching algorithms and multilevel inverters. Afterward, a phase-shift switching algorithm with an integrated voltage balancing technique will be developed for the PUC5 inverter and simulated in Simulink. Hardware-in-the-loop (HIL) will be done using Opal-RT devices.
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File under embargo until 31-07-2025