Analysis and Characterization of Four-quadrant Switches based Commutation Cell
Conference
·
· 2023 IEEE Applied Power Electronics Conference and Exposition (APEC)
- North Carolina State University,Department of Electrical and Computer Engineering,Raleigh,NC,USA,27695; North Carolina State University
- North Carolina State University,Department of Electrical and Computer Engineering,Raleigh,NC,USA,27695
A four-quadrant switch (FQS) blocks either polarity voltage and controls current flow in both directions. Unlike voltage-source converters, in which two-quadrant switches operate over a narrow voltage range, four-quadrant switches are required to operate over a wide range of both voltage and current in applications such as matrix converters and current-source converters. Furthermore, matrix converters require multi-step commutation schemes compared to two-step schemes for current-bidirectional switch based voltage-source converters and voltage-bidirectional switch based current-source converters. This paper provides a generalized overview of commutation schemes used for two and four quadrant switches based two-level commutation cells, identifies comparison indices for FQS commutation schemes, and discusses the need for adaptive commutation-step times for wide voltage and current variation applications. Also, the static and dynamic characteristics of 1.2 kV rated FQS implementations utilizing commercial SiC MOSFETs from four different manufacturers and novel monolithic SiC BiDirectional Field Effect Transistor (BiDFET) have been reported.
- Research Organization:
- North Carolina State University
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- DOE Contract Number:
- EE0008345
- OSTI ID:
- 2324743
- Conference Information:
- Journal Name: 2023 IEEE Applied Power Electronics Conference and Exposition (APEC)
- Country of Publication:
- United States
- Language:
- English
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