Title :
Power loss and efficiency analysis of a four-level π-type converter
Author :
Bosen Jin;Xibo Yuan
Author_Institution :
University of Bristol, Department of Electrical and Electronic Engineering, Merchant Venturers Building, Woodland Road, Bristol, BS8 1UB, United Kingdom
Abstract :
In this paper, an analytical model has been developed to analyze the device power loss and the efficiency of a new four-level π-type converter. The efficiency of the π-type converter has been evaluated against a conventional two-level converter, three-level T-type converter as well as the three-level NPC converter. It has been found out that the four-level π-type converter has a higher efficiency when switching frequency is above 5 kHz. It can achieve 97% efficiency at 50 kHz switching frequency under the rated current. An experimental four-level π-type inverter topology has been built and the efficiency has been validated.
Keywords :
"Switches","Modulation","Analytical models","Switching frequency","Inverters","Topology","Power harmonic filters"
Conference_Titel :
Power Electronics and Applications (EPE´15 ECCE-Europe), 2015 17th European Conference on
DOI :
10.1109/EPE.2015.7309379
