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Related Experiment Video

Updated: Oct 9, 2025

Developing High Performance GaP/Si Heterojunction Solar Cells

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Published on: November 16, 2018

A Hybrid Active Neutral Point Clamped Inverter Utilizing Si and Ga₂O₃ Semiconductors: Modelling and Performance

Sheikh Tanzim Meraj¹, Nor Zaihar Yahaya¹, Molla Shahadat Hossain Lipu^2,3

¹Department of Electrical and Electronic Engineering, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Perak, Malaysia.

|December 24, 2021

Summary

This summary is machine-generated.

This study introduces a hybrid inverter using silicon and gallium trioxide devices, significantly reducing fault current and achieving 99.1% efficiency. The innovative design optimizes performance and mitigates common issues in conventional inverters.

Keywords:

fabrication gallium trioxide hybridization inverter neutral point clamped power electronics semiconductors silicon ultrawide bandgap

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Published on: May 13, 2020

Area of Science:

Power Electronics
Materials Science

Background:

Hybridization of semiconductor devices combines silicon (Si) and ultra-wide bandgap (UWBG) gallium trioxide (Ga2O3) for advanced inverter performance.
UWBG semiconductor production is nascent and costly, necessitating hybrid approaches for practical applications.

Purpose of the Study:

To evaluate the performance of a novel active neutral point clamped (ANPC) inverter utilizing a hybrid Si/Ga2O3 topology.
To address fault current issues and enhance efficiency in power inverters through intelligent design.

Main Methods:

Developed a hybrid ANPC inverter topology integrating Si and Ga2O3 devices with optimized switching frequencies.
Implemented a specialized modulation technique and intelligent switching arrangement for loss distribution.
Conducted double pulse testing (DPT) and simulations to analyze Ga2O3 switching performance.

Main Results:

The proposed ANPC inverter mitigated fault current to 52 A.
Achieved a maximum inverter efficiency of 99.1%.
Reduced common-mode current stress and common-mode voltage, enabling operation across a broad power factor range.

Conclusions:

The hybrid Si/Ga2O3 ANPC inverter offers superior performance, efficiency, and fault current mitigation compared to conventional designs.
Intelligent design and modulation strategies are key to optimizing hybrid inverter performance.
This approach provides a viable pathway for incorporating UWBG devices into power electronics applications.