Voltage-source active power filter based on multilevel converter and ultracapacitor DC link. - Micah Ortuzar; Rodrigo Carmi; Juan W. Dixon; Luis Morán 001 (IEEE Trans. Ind. Electron., 2006)

Static Var Compensator and Active Power Filter With Power Injection Capability, Using 27-Level Inverters and Photovoltaic Cells. - Patricio Flores; Juan W. Dixon; Micah Ortuzar; Rodrigo Carmi; Pablo Barriuso; Luis Morán 001 (IEEE Trans. Ind. Electron., 2009)