Title :
A systematic method to synthesize new transformerless full-bridge grid-tied inverters
Author :
Hongliang Wang ; Burton, Sarah ; Yan-Fei Liu ; Sen, P.C. ; Guerrero, Josep M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Queen´s Univ., Kingston, ON, Canada
Abstract :
Many inverter topologies have been proposed to eliminate the leakage current of transformerless Full Bridge Grid-Tied photovoltaic (PV) inverters. These include implementations such as the H5, H6, and HERIC topologies, among others. In this paper, a new full bridge topology synthesis method, called the MN synthesis method, is proposed. The MN method introduces two criteria that can be used to synthesize all of the possible topologies, including the existing topologies as well as new simplified topologies. This method concludes that there are only 15 simplified topologies available. Most simplified topologies from MN method have been verified by existing papers and patents.
Keywords :
bridge circuits; invertors; leakage currents; photovoltaic power systems; power grids; H5 topologies; H6 topologies; HERIC topologies; MN synthesis method; PV inverters; full bridge topology synthesis method; inverter topologies; leakage current; photovoltaic inverters; transformerless full-bridge grid-tied inverters; Bridge circuits; Control systems; Inverters; Leakage currents; Manganese; Noise measurement; Topology;
Conference_Titel :
Energy Conversion Congress and Exposition (ECCE), 2014 IEEE
Conference_Location :
Pittsburgh, PA
DOI :
10.1109/ECCE.2014.6953772
