TY - GEN
T1 - A new multilevel inverter with alleviated number of switches for renewable energy applications
AU - Mondol, M. H.
AU - Biswas, S. P.
AU - Roy, T. K.
PY - 2020
Y1 - 2020
N2 - This paper presents a new single phase multilevel inverter (MLI) which can be used in low power renewable energy applications. The proposed inverter is designed by considering three asymmetrical voltage sources which minimizes the number of semiconductor devices and consequently increases the overall system efficiency while reducing the implementation cost. As the proposed topology is independent on the energy storage elements, so it does not suffer from the balanced charging problem and capacitor ripple losses. Although, an H-bridge cell is connected with the inverter to generate a negative half cycle of the output voltage, the total value of the standing voltage is still in an acceptable range due to the utilization of least number of semiconductor devices. At last, the proposed inverter performance is evaluated on a single-phase standalone system with different loads. In order to show the superiority of the proposed topology, the performance is also compared with the existing topologies.
AB - This paper presents a new single phase multilevel inverter (MLI) which can be used in low power renewable energy applications. The proposed inverter is designed by considering three asymmetrical voltage sources which minimizes the number of semiconductor devices and consequently increases the overall system efficiency while reducing the implementation cost. As the proposed topology is independent on the energy storage elements, so it does not suffer from the balanced charging problem and capacitor ripple losses. Although, an H-bridge cell is connected with the inverter to generate a negative half cycle of the output voltage, the total value of the standing voltage is still in an acceptable range due to the utilization of least number of semiconductor devices. At last, the proposed inverter performance is evaluated on a single-phase standalone system with different loads. In order to show the superiority of the proposed topology, the performance is also compared with the existing topologies.
KW - Asymmetrical voltage source
KW - multilevel inverter (MLI)
KW - staircase modulation scheme
KW - total harmonic distortion (THD)
KW - total standing voltage (TSV)
UR - https://www.scopus.com/pages/publications/85096411265
U2 - 10.1109/TENSYMP50017.2020.9230671
DO - 10.1109/TENSYMP50017.2020.9230671
M3 - Conference proceeding contribution
SN - 9781728173672
SP - 961
EP - 964
BT - 2020 IEEE Region 10 Symposium (TENSYMP)
PB - Institute of Electrical and Electronics Engineers (IEEE)
CY - Piscataway, NJ
T2 - 2020 IEEE Region 10 Symposium, TENSYMP 2020
Y2 - 5 June 2020 through 7 June 2020
ER -