D
Dereje Woldegiorgis Data-verified
Affiliation confirmed via AI analysis of OpenAlex, ORCID, and web sources.
Researcher
faculty
10 h-index
38 pubs
282 cited
Research Areas
Links
Biography and Research Information
OverviewAI-generated summary
Dereje Woldegiorgis's research focuses on power electronics, specifically the application and modeling of hybrid semiconductor switches in inverters. His work investigates advanced inverter topologies, such as the five-level hybrid T-type inverter and the new hybrid voltage source converter with a reduced active switch count for high-voltage direct current (HVDC) applications. Woldegiorgis has published on the precise electro-thermal power loss modeling of three-level ANPC inverters utilizing hybrid Si/SiC switches and the application of active gate drivers for paralleling different types of semiconductor switches, including Si IGBT and SiC MOSFET. His research network includes collaborators from the University of Arkansas at Fayetteville, such as Alan Mantooth and Xia Du, with whom he has co-authored multiple publications. Woldegiorgis holds a Doctor of Philosophy in Electrical Engineering and has a publication record of 38 papers with an h-index of 10 and 276 citations.
Metrics
- h-index: 10
- Publications: 38
- Citations: 282
Selected Publications
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Arm Energy Investigation and Submodule Capacitor Sizing for the Asymmetric Alternate Arm Converter Topology (2023)
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Hybrid Si/SiC Switches: A Review of Control Objectives, Gate Driving Approaches and Packaging Solutions (2022)
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Converter Arm Energy Model and Submodule Capacitor Sizing for the Asymmetric Alternate Arm Converter Topology (2022)
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Precise Electro-thermal Power Loss Model of a Three-level ANPC Inverter with Hybrid Si/SiC Switches (2022)
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Power Relay Based Multiple Device Cryogenic Characterization Method and Results (2022)
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A Modified Neutral-point Voltage Control Strategy for Three-level Inverters Based on Decomposition of Space Vector Diagram (2022)
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Accurate Power Loss Model of a Three-level ANPC Inverter Utilizing Hybrid Si/SiC Switching Devices (2021)
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Investigation of a New Alternate Arm Modular Multilevel Converter Topology for HVDC Applications (2021)
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A New Hybrid Voltage Source Converter With Reduced Active Switch Count for HVDC Applications (2021)
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Three-level Interleaved Voltage Source Inverter Topology Employing Hybrid "Si+SiC" Switches (2021)
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Five-level Hybrid T-type Inverter Topology with Mixed "Si+SiC" Semiconductor Device Configuration (2021)
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Application of An Active Gate Driver for Paralleling Operation of Si IGBT and SiC MOSFET (2021)
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Four Control Freedoms AGD for Hybrid SiC MOSFET and Si IGBT Application (2021)
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Simple Carrier Based Capacitor Voltage Balancing Technique for Three-Level Voltage Source Inverters (2021)
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A High Efficiency and Low Cost ANPC Inverter Using Hybrid Si/SiC Switches (2021)
Collaboration Network
Top Collaborators
Alan Mantooth
8 shared publications
- Application of An Active Gate Driver for Paralleling Operation of Si IGBT and SiC MOSFET
- Four Control Freedoms AGD for Hybrid SiC MOSFET and Si IGBT Application
- Accurate Power Loss Model of a Three-level ANPC Inverter Utilizing Hybrid Si/SiC Switching Devices
- Five-level Hybrid T-type Inverter Topology with Mixed "Si+SiC" Semiconductor Device Configuration
- Simple Carrier Based Capacitor Voltage Balancing Technique for Three-Level Voltage Source Inverters
Showing 5 of 8 shared publications
Yuqi Wei
University of Arkansas at Fayetteville (US)
7 shared publications
- A High Efficiency and Low Cost ANPC Inverter Using Hybrid Si/SiC Switches
- Hybrid Si/SiC Switches: A Review of Control Objectives, Gate Driving Approaches and Packaging Solutions
- Application of An Active Gate Driver for Paralleling Operation of Si IGBT and SiC MOSFET
- Four Control Freedoms AGD for Hybrid SiC MOSFET and Si IGBT Application
- Simple Carrier Based Capacitor Voltage Balancing Technique for Three-Level Voltage Source Inverters
Showing 5 of 7 shared publications
H. Alan Mantooth
University of Arkansas at Fayetteville
7 shared publications
In database
- A High Efficiency and Low Cost ANPC Inverter Using Hybrid Si/SiC Switches
- Hybrid Si/SiC Switches: A Review of Control Objectives, Gate Driving Approaches and Packaging Solutions
- Precise Electro-thermal Power Loss Model of a Three-level ANPC Inverter with Hybrid Si/SiC Switches
- A New Hybrid Voltage Source Converter With Reduced Active Switch Count for HVDC Applications
- A Modified Neutral-point Voltage Control Strategy for Three-level Inverters Based on Decomposition of Space Vector Diagram
Showing 5 of 7 shared publications
Xia Du
University of Arkansas at Fayetteville
3 shared publications
In database
- Application of An Active Gate Driver for Paralleling Operation of Si IGBT and SiC MOSFET
- Comprehensive Investigations on Paralleling Operation of SiC MOSFETs based on Subcircuit Model in MATLAB/SIMULINK
- Power Relay Based Multiple Device Cryogenic Characterization Method and Results
Md Maksudul Hossain
University of Arkansas at Fayetteville
2 shared publications
In database
- Hybrid Si/SiC Switches: A Review of Control Objectives, Gate Driving Approaches and Packaging Solutions
- Power Relay Based Multiple Device Cryogenic Characterization Method and Results
Yuheng Wu
University of Arkansas at Fayetteville (US)
1 shared publication
- A High Efficiency and Low Cost ANPC Inverter Using Hybrid Si/SiC Switches
Rosten Sweeting
University of Arkansas at Fayetteville
1 shared publication
In database
- Four Control Freedoms AGD for Hybrid SiC MOSFET and Si IGBT Application
Venkata Samhitha Machireddy
1 shared publication
In database
- Comprehensive Investigations on Paralleling Operation of SiC MOSFETs based on Subcircuit Model in MATLAB/SIMULINK
Zahra Saadatizadeh
University of Arkansas at Fayetteville (US)
1 shared publication
- Hybrid Si/SiC Switches: A Review of Control Objectives, Gate Driving Approaches and Packaging Solutions
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