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Analysis and Performance of an Enhanced Inverter with Third-Harmonic Injected PWM Technique
One-line summary
A solar energy research paper on Analysis and Performance of an Enhanced Inverter with Third-Harmonic Injected PWM Technique.
Engineering notes
Engineering notes will be added by the Power for Solar editorial team.
Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Abstract Multilevel inverters are widely used in high and medium power systems owing to their ability to generate a high-quality output with less stress on the devices and improved efficiency. However, the traditional multilevel inverter configurations are associated with an increased number of switches, complex control and uneven voltage stress distribution. The purpose of this study is to design a proposed 9-level multilevel inverter that can be expanded to higher levels by cascading the basic modules. The proposed topology, when controlled using the third-harmonic injected pulse width modulation (THI-PWM) technique achieves improved DC bus utilization and minimize harmonic distortion. The proposed inverter is compared with various other topologies and investigated the performance of the proposed inverter through simulation and hardware results. The proposed one has high conversion efficiency, minimum voltage stress on the power switches and efficient harmonic suppression. The output voltage and current waveforms satisfy the IEEE 519 harmonic standards and the consistency between the simulation and hardware results confirms the validity and reliability of the proposed system.
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