ABSTRACT:
Packed U-Cell (PUC) converter has been introduced as
a 7-level converter in early 2008. Since then, different analysis and projects
have been performed on, including various applications such as inverter and
rectifier, linear and nonlinear voltage controllers. In this paper, authors try
to do a detail review on this topology covering all aspects like topology
design in single and three-phase, operation concepts, switching sequences for
different multilevel voltage waveform generation, modelling and etc. It is
shown that this topology can be comparable to popular multilevel converters
(CHB and NPC) in terms of device counts and applications. Moreover, some performed
and published works about the PUC are mentioned to show its different
industrial applications and some other converter topologies derived based on
the PUC. Experimental results are provided to show the good performance of PUC converter
in several applications.
KEYWORDS:
1.
Packed U-Cell
2.
Multilevel
converter
3.
Active power
filter
4.
Active
rectifier
5.
Inverter
6.
Power quality
SOFTWARE:
MATLAB/SIMULINK
CONCLUSION:
PUC
converter generates various voltage levels based on the voltage ratio of its
two DC links similar to the CHB topology, while using fewer components. It is
an interesting topology in inverter mode due to using only one isolated DC
source. It is also attractive in rectifier application because of generating dual
output DC terminal in boost and buck mode. As shown in this paper, the PUC converter can be a good
candidate for all modes of operation like standalone/grid-connected inverter and
rectifier in various applications including PV systems, active filters, wind
turbine, electric transportation, battery chargers, MMC, etc.
REFERENCES:
1]
S. Kouro, M. Malinowski, K. Gopakumar, J. Pou, L. G. Franquelo, B. Wu, et
al., "Recent advances and industrial applications of multilevel
converters," IEEE Trans. Ind. Electron., vol. 57, no. 8, pp.
2553-2580, 2010.
[2]
H. Abu-Rub, J. Holtz, J. Rodriguez, and G. Baoming, "Medium-voltage
multilevel converters—State of the art, challenges, and requirements in
industrial applications," IEEE Trans. Ind. Electron., vol. 57, no.
8, pp. 2581-2596, 2010.
[3]
H. Abu-Rub, M. Malinowski, and K. Al-Haddad, Power electronics for renewable
energy systems, transportation and industrial applications: John Wiley
& Sons, 2014.
[4]
J. Rodriguez, S. Bernet, P. K. Steimer, and I. E. Lizama, "A survey on
neutral point-clamped inverters," IEEE Trans. Ind. Electron., vol.
57, no. 7, pp. 2219- 2230, 2010.
