Abstract
Renewable energy systems integration prefers DC–AC converters of high efficiency, low harmonic injection and small size. Multilevel converter (MLC) is preferred compared to two-level converter thanks to its low harmonic injection, even at low switching frequency values, and accepting high power as well as voltage levels. Among reduced switching devices count MLCs is the T-type topology. This article introduces a review of the different advanced topologies of T-type MLC in comparison with the conventional neutral point clamped converters. The operation of each topology, the design consideration and the performance in low-voltage applications such as AC drive systems, grid-tie integration of renewable energy and power train drive applications are discussed. In addition, the design considerations using enhanced semiconductor switches are elaborated. Different studies regarding MLCs—like common-mode voltage elimination or reduction, open-switch fault diagnosis, open- as well as short-circuit fault tolerance, and DC link capacitor voltage balancing for T-type topologies—are illustrated. Finally, recommendations for future work research directions are highlighted.
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Abbreviations
- MLC:
-
Multilevel converter
- 2L:
-
Two-level
- 3L :
-
Three-level
- 5L:
-
Five-level
- VSC:
-
Voltage source converter
- VSI:
-
Voltage source inverter
- MV:
-
Medium voltage
- PV:
-
Photovoltaic
- MPPT:
-
Maximum power point tracking
- NPC:
-
Neutral point clamped
- FCC:
-
Flying capacitor converter
- CHB:
-
Cascaded H-bridge
- DC:
-
Direct current
- AC :
-
Alternating current
- FACTS:
-
Flexible AC transmission system
- SVC:
-
Static VAR compensator
- EMI:
-
Electromagnetic interference
- IGBT:
-
Isolated gate bipolar junction transistor
- MOSFET:
-
Metal oxide semiconductor field effect transistor
- MPC:
-
Model predictive control
- CMV:
-
Common-mode voltage
- CMVE:
-
Common-mode voltage elimination
- PWM:
-
Pulse width modulation
- SHEPWM:
-
Selective harmonic elimination PWM
- Y-connected:
-
Star connected
- SVPWM:
-
Space vector PWM
- THD:
-
Total harmonic distortion
- PMSM:
-
Permanent magnet synchronous machine
- ANPC:
-
Active neutral point clamped
- PCB:
-
Printed circuit board
- SiC:
-
Silicon carbide
- Si:
-
Silicon
- ZSI:
-
Z-source inverter
- ST:
-
Shoot-through
- NP:
-
Neutral point
- CB-PWM:
-
Carrier-based PWM
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The authors would like to acknowledge the support provided by the Center of Energy and Geo-Processing (CeGP), King Fahd University of Petroleum and Minerals, through the funded Project No. GTEC1701.
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Salem, A., Abido, M.A. T-Type Multilevel Converter Topologies: A Comprehensive Review. Arab J Sci Eng 44, 1713–1735 (2019). https://doi.org/10.1007/s13369-018-3506-6
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DOI: https://doi.org/10.1007/s13369-018-3506-6