- AC linear induction motor based positioning driveJansikene, Raik; Liivik, Liisa; Tomson, JaanScientific proceedings of Riga Technical University. 4. [series], Power and electrical engineering2003 / p. 41-45
- 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
- Asymmetrical quasi-Z-source half-bridge DC-DC convertersVinnikov, Dmitri; Chub, Andrii; Liivik, Liisa2015 9th International Conference on Compatibility and Power Electronics (CPE) : proceedings : Faculty of Science and Technology (FCT), Caparica, Lisbon, Portugal, 24-26 June, 20152015 / p. 369-372 : ill http://dx.doi.org/10.1109/CPE.2015.7231103
- Automotive applications of ultracapacitorsBoiko, Vitali; Vinnikov, Dmitri; Liivik, LiisaSummer Seminar on Nordic Network for Multi Disciplinary Optimised Electric Drives2002 / ? p
- Bidirectional DC-DC converter for modular residential battery energy storage systemsChub, Andrii; Vinnikov, Dmitri; Kosenko, Roman; Liivik, Liisa; Galkin, IljaIEEE transactions on industrial electronics2020 / p. 1944-1955 : ill https://doi.org/10.1109/TIE.2019.2902828 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS
- Comparative analysis of semiconductor power losses of galvanically isolated quasi-Z-source and full-bridge boost DC-DC convertersKosenko, Roman; Liivik, Liisa; Chub, Andrii; Velihorskyi, OleksandrScientific Journal of Riga Technical University. Electrical, control and communication engineering2015 / p. 5-12 : ill https://doi.org/10.1515/ecce-2015-0001
- Contemporary teaching of electrical drivesLiivik, LiisaSymposium "Topical Problems of Education in the Field of Electrical and Power Engineering" : Kuressaare, Estonia, January 19-24, 20042004 / p. 48-50 : ill
- Control of quasi-Z-source dc-dc converter by the overlap of active states : new possibilities and limitationsRoasto, Indrek; Liivik, Liisa; Vinnikov, DmitriBEC 2014 : 2014 14th Biennial Baltic Electronics Conference : proceedings of the 14th Biennial Baltic Electronics Conference : Tallinn University of Technology, October 6-8, 2014, Tallinn, Estonia2014 / p. 217-220 : ill
- Design of multiphase single-switch impedance-source convertersChub, Andrii; Vinnikov, Dmitri; Liivik, Liisa; Jalakas, Tanel; Blinov, AndreiIECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society : proceedings2018 / p. 3718-3724 : ill https://doi.org/10.1109/IECON.2018.8591361
- Doctoral School of Energy- and GeotechnologyLiivik, Liisa2nd International Symposium "Topical Problems of Education in the Field of Electrical and Power Engineering" : Kuressaare, Estonia, January 17-22, 20052005 / p. 55-57
- Experimental study of high step-up quasi-Z-source DC-DC converter with synchronous rectificationLiivik, Liisa; Chub, Andrii; Vinnikov, Dmitri; Zakis, Janis2015 9th International Conference on Compatibility and Power Electronics (CPE) : proceedings : Faculty of Science and Technology (FCT), Caparica, Lisbon, Portugal, 24-26 June, 20152015 / p. 409-414 : ill http://dx.doi.org/10.1109/CPE.2015.7231110
- Four novel PWM shoot-through control methods for impedance source DC-DC convertersVinnikov, Dmitri; Roasto, Indrek; Liivik, Liisa; Blinov, AndreiJournal of power electronics2015 / p. 299-308 : ill
- Galvanically isolated quasi-Z-source DC-DC converter with a novel ZVS and ZCS techniqueHusev, Oleksandr; Liivik, Liisa; Blaabjerg, Frede; Chub, Andrii; Vinnikov, Dmitri; Roasto, IndrekIEEE transactions on industrial electronics2015 / p. 7547-7556 : ill https://doi.org/10.1109/TIE.2015.2455522 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS
- Impedance-source galvanically isolated DC/DC converters : state of the art and future challengesLiivik, Liisa; Chub, Andrii; Vinnikov, Dmitri2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) : proceedings2014 / p. 67-74 : ill
- Improved switched-inductor quasi-switched-boost inverter with low input current rippleChub, Andrii; Liivik, Liisa; Zakis, Janis; Vinnikov, Dmitri2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)2015 / p. 221-226 : ill
- A library of samples for testing variable load electric drivesLiivik, Liisa; Vodovozov, Valery; Rassõlkin, AntonDigest book and electronic proceedings : 54th International Scientific Conference of Riga Technical University : Section of Power and Electrical Engineering2013 / p. 12.1-12.6 : 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
- Multi-mode quasi-Z-source series resonant DC/DC converter for wide input voltage range applicationsVinnikov, Dmitri; Chub, Andrii; Roasto, Indrek; Liivik, LiisaApplied Power Electronics Conference and Exposition : APEC 2016 : Long Beach Convention & Entertainment Center, March 20-24, 20162016 / p. 2533-2539 : ill https://doi.org/10.1109/APEC.2016.7468221 Conference Proceedings at Scopus Article at Scopus Article at WOS
- Numerical calculations of electrotechnicsLiivik, Liisa; Jansikene, RaikThe 7th Biennial Conference on Electronics and Microsystem Technology "Baltic Electronics Conference" : BEC 2000 : October 8 - 11, 2000, Tallinn, Estonia : conference proceedings2000 / p. 229-230 : ill
- Numerical calculations of engineeringLiivik, Liisa; Jansikene, RaikActual Problems of Electrical Drives and Industry Automation : the 3rd Research Symposium of Young Scientists : Tallinn, Estonia, May 19-26, 20012001 / p. 78-80 : ill
- Preheating system model of molten metal tubing for double motor MHD-driveJansikene, Raik; Liivik, LiisaThe 4th Reseach Symposium of Young Scientist : Actual Problems of Electrical Drives and Industry Automation : Tallinn, Estonia, May 17-21, 20032003 / p. 131-134 : ill
- 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]
- Raalarvutused elektrotehnikasLiivik, Liisa2001 https://www.ester.ee/record=b1526277*est
- Semiconductor power loss reduction and efficiency improvement techniques for the galvanically isolated quasi-Z-source DC-DC converters = Galvaaniliselt isoleeritud kvaasiimpedantsallikaga alalispingemuunduri pooljuhtide võimsuskao vähendamine ja kasuteguri suurendamineLiivik, Liisa2015 https://www.ester.ee/record=b4484169*est
- Simulation of the control system of AC linear positioning driveLiivik, Liisa; Jansikene, RaikBEC 2002 : proceedings of the 8th Biennial Baltic Electronics Conference : October 6-9, 2002, Tallinn, Estonia2002 / p. 77-78 : ill
- Simulation study of high step-up quasi-Z-source DC-DC converter with synchronous rectificationLiivik, Liisa; Vinnikov, Dmitri; Zakis, Janis2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) : proceedings2014 / p. 34-37 : ill
- Starting processes of experimental frequency controlled electrical driveJansikene, Raik; Liivik, LiisaBEC 2004 : proceedings of the 9th Biennial Baltic Electronics Conference : October 3-6, 2004, Tallinn, Estonia2004 / p. 325-326 : ill
- Synchronous rectification in quasi-Z-source converters : possibilities and challengesLiivik, Liisa; Vinnikov, Dmitri; Jalakas, Tanel2014 IEEE International Conference on Intelligent Energy and Power Systems (IEPS) : conference proceedings : June 2-6, 2014, Kyiv, Ukraine2014 / p. 32-35 : ill
- The quasi-Z-source DC/DC converter with a series resonant circuitLiivik, Liisa14th International Symposium "Topical problems in the field of electrical and power engineering. Doctoral school of energy and geotechnology. II" : Pärnu, Estonia, January 13-18, 20142014 / p. 135-140 : ill
- Topical problems of teaching of electrical drivesLiivik, Liisa; Jansikene, Raik; Lehtla, TõnuEPE-PEMC 2004 : 11th International Power Electronics and Motion Control Conference : 2-4 September 2004, Riga, Latvia : proceedings. Vol. 4 of 7, Motion control, adjustable speed drives and education of electrical engineering2004 / p. 4-502 - 4-506 : ill
- Use of interactive modelling in the field of energy savingLiivik, Liisa; Jansikene, Raik; Lehtla, Tõnu3rd International Scientific Workshop "Compatibility in Power Electronics" (CPE 2003) : Gdansk-Zielona Gora, Poland, 28-30 May, 20032003 / p. 64-66
- Use of interactive software for energy saving motor selectionLiivik, Liisa; Jansikene, RaikScientific proceedings of Riga Technical University. 4. [series], Power and electrical engineering2003 / p. 65-70 : ill
- Variable speed linear induction motorJansikene, Raik; Liivik, LiisaPower and Electrical Engineering International Scientific Conference2002 / ? p
- Wear-out failure analysis of solar optiverter operating with 60- and 72-cell Si crystalline PV modulesLiivik, Liisa; Chub, Andrii; Sangwongwanich, Ariya; Shen, Yanfeng; Vinnikov, Dmitri; Blaabjerg, FredeIECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society : proceedings2018 / p. 6134-6140 : ill https://doi.org/10.1109/IECON.2018.8592925