Analysis of buck mode realization possibilities in quasi-Z-source DC-DC converters with voltage doubler rectifierZakis, Janis; Rankis, Ivars; Liivik, Liisa; Chub, Andrii2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) : proceedings : May 11-13, 2015, Riga, Latvia2015 / p. 570-575 : ill http://dx.doi.org/10.1109/PowerEng.2015.7266379

Analysis of operating modes of the step-up DC/DC converter with a commutating LC-filterZakis, Janis; Rankis, Ivars; Vinnikov, DmitriТехнiчна електродинамiка2011 / p. 87-92 : ill https://ortus.rtu.lv/science/en/publications/11242

Comparative analysis of boost and quasi-Z-source converters as maximum power point trackers for PV panel integrated convertersZakis, Janis; Rankis, Ivars; Ribickis, LeonidsProceedings : 2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE) : Grand Cevahir Hotel and Convention Center, Istambul, Turkey, 01-04 June, 20142014 / p. 1991-1995 : ill

Dynamic behaviour of qZS-based bi-directional DC/DC converter in supercapacitor charging mode [Electronic resource]Zakis, Janis; Vinnikov, Dmitri; Husev, Oleksandr; Rankis, IvarsSPEEDAM 2012 : Sorrento (Italy) - June 20-22, 2012 : 21st edition of the International Symposium on Power Electronics, Electrical drives, Automation and Motion2012 / p. 764-768 : ill [CD-ROM]

Feasibility study of flexible systems for reactive power compensationZakis, Janis; Vinnikov, Dmitri; Laugis, Juhan; Rankis, IvarsТехнiчна електродинамiка2010 / 2, p. 16-21 : ill

Investigation of supercapacitor bidirectional power flow systemRankis, Ivars; Zakis, JanisScientific journal of Riga Technical University. Serija 4, Power and electrical engineering = Rīgas Tehniskās universitātes zinātniskie raksti. Serija 4. Energētika un elektrotehnika2012 / p. 35-40 : ill

Loss reduction method for the isolated qZS-based DC/DC converterZakis, Janis; Rankis, Ivars; Liivik, LiisaScientific Journal of Riga Technical University. Electrical, control and communication engineering2013 / p. 13-18 : ill

Performance comparison of boost and quasi-Z-source convertersAndrijanovitš, Anna; Rankis, Ivars; Zakis, JanisТехнiчна електродинамiка : тематичний випуск : силова електрониiка та енергоефективнiсть2012 / p. 30-35 : ill https://ortus.rtu.lv/science/en/publications/16524

qZS-based soft-switching DC/DC converter with a series resonant LC circuitVinnikov, Dmitri; Zakis, Janis; Liivik, Liisa; Rankis, IvarsЭнергосбережение, энергетика, энергоаудит = Energy saving, power engineering, energy audit2013 / p. 42-50 : ill

QZS-based soft-switching DC/DC converter with a series resonant LC circuit [Electronic resource]Vinnikov, Dmitri; Zakis, Janis; Liivik, Liisa; Rankis, IvarsМеждународная Научно-Техническая Конференция "Силовая Электроника и Энергоэффективность" : 23-27.IX 2013, Алушта, Крым2013 / [3] p. : ill [CD-ROM]

Steady state analysis of the galvanically isolated DC/DC converter with a commutating LC filter [Electronic resource]Zakis, Janis; Vinnikov, Dmitri; Rankis, Ivars2012 IEEE International Conference on Industrial Technology : proceedings CD2012 / p. 838-843 : ill [CD-ROM] https://ieeexplore.ieee.org/document/6210041