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Olen nõus

Elizaveta Liivik

https://etis.ee/CV/Liisa_Liivik/est
29.06.1976
+37253428224
liisa.liivik@gmail.com
www.ttu.ee/pegroup

Teenistuskäik

Töökohad ja ametid
01.01.2017–...   
Department of Energy Technology, Aalborg University, Denmark, Külalisteadur (0,50)
01.10.2017–31.08.2020   
Tallinna Tehnikaülikool, Inseneriteaduskond, Elektroenergeetika ja mehhatroonika instituut, Teadur (0,75)
01.01.2017–30.09.2017   
Tallinna Tehnikaülikool, Inseneriteaduskond, Elektroenergeetika ja mehhatroonika instituut, Teadur (0,50)
01.09.2015–31.12.2016   
Tallinna Tehnikaülikool, Energeetikateaduskond, Elektrotehnika instituut, Teadur (0,50)
01.01.2002–31.08.2007   
Tallinna Tehnikaülikool, Energeetikateaduskond, Elektrotehnika instituut, Elektriajamite ja elektrivarustuse õppetool, Lektor (1,00)
01.01.1998–31.12.2001   
Tallinna Tehnikaülikool, Assistent (1,00)
 
 
Haridustee
2000–2015   
Tallinna Tehnikaülikool, Energeetikateaduskond, Elektrotehnika instituut; filosoofiadoktor
1998–2000   
TTÜ elektriajamite ja jõuelektroonika instituut; tehnikateaduste magister
1993–1998   
TTÜ elektriajamite ja jõuelektroonika instituut; inseneridiplom
1991–1993   
Tartu 4.keskool; keskharidus
 
 
Teadusorganisatsiooniline ja -administratiivne tegevus
2013−...   
IEEE seltsi liige
 
 
Lisainfo
Pidasin külalisloengu teemal „High-Performance Quasi-Z-Source Series Resonant DC-DC Converter for PV Module Level Power Electronics Applications“ Varssavi Tehnikaülikooli Tööstuselektroonika instituudis, 28.09.16
Research interests of Liisa Liivik include the design, simulation and experimental verification of the switch-mode converters for distributed power generation systems. She is the author or co-authorof more than 50 scientific papers and one book.

Kvalifikatsioon

Teaduskraadid
Elizaveta Liivik, doktorikraad, 2015, (juh) Dmitri Vinnikov, 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), Tallinna Tehnikaülikool, Energeetikateaduskond, Elektrotehnika instituut, Elektriajamite ja elektrivarustuse õppetool.
Elizaveta Liivik, magistrikraad (teaduskraad), 2000, (juh) Tõnu Lehtla; Raik Jansikene, Ülikooliõpik "Raalarvutused elektrotehnikas", Tallinna Tehnikaülikool, Energeetikateaduskond, Elektrotehnika instituut, Elektriajamite ja jõuelektroonika instituut.
 
 
Teaduspreemiad ja tunnustused
2018, Elizaveta Liivik, 2018, Elizaveta Liivik, Parima artikli auhind konverentsil 12th International Conference on Compatibility and Power Electronics and Power Engineering CPE-POWERENG'2018, Katar
2018, Elizaveta Liivik, 2018, Elizaveta Liivik, IEEE IES Parima konverentsi artikli auhind
2018, Elizaveta Liivik, 2018, Elizaveta Liivik, TTÜ 2017.a. parima teadusartikli autor tehnika ja tehnoloogia valdkonnas
2017, Elizaveta Liivik, 2017, Elizaveta Liivik, Parima artikli auhind konverentsil 26th IEEE International Symposium on Industrial Electronics ISIE'2017, Šotimaa, Suurbritannia
2015, Elizaveta Liivik, Most Evaluated Young Author in the Subsection of Power Electronic Converters, Applications and Design.- 2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University
2015, Elizaveta Liivik, Tänukiri 2015. a üliõpilaste teadusteööde riiklikul konkursil loodusteaduste ja tehnika valdkonnas doktoriõppe üliõpilaste astmes konkursitöö "Galvaaniliselt isoleeritud kvaasiimpedantsallikaga alaispingemuunduri pooljuhtide võimsuskao vähendamine" eest
2000, Elizaveta Liivik, Eesti Teaduste Akadeemia üliõpilastetööde konkursi II koht magistritöö eest „Raalarvutused elektrotehnikas”
 
 
Teadustöö põhisuunad
ETIS KLASSIFIKAATOR: 4. Loodusteadused ja tehnika; 4.17. Energeetikaalased uuringud; CERCS KLASSIFIKAATOR: T140 Energeetika
 
 
Lisainfo
Läbitud järgmised intensiivkursused:2013 "Elektriajamite kaugjälgimine ja -juhtimine e-labori näitel" (TTÜ); 2013 "Rajaleidja teaduses" (TTÜ);2013 "PERMANENT MAGNET SYNCHRONOUS MACHINE CONTROL FOR WIND ENERGY CONVERSION SYSTEMS AND DRIVES" (TTÜ);
Osalesin ECPE workshop "Control and Health Monitoring in Power Electronics", 4-5 juuli 2017, Aalborg, Taani

Lõppenud projektid

Publikatsioonid

Klass
Aasta
Publikatsioon
 
1.1.
2021
Sangwongwanich, A.; Shen, Y.; Chub, A.; Liivik, E.; Vinnikov, D.; Wang, H.; Blaabjerg, F. (2021). Design for Accelerated Testing of DC-link Capacitors in Photovoltaic Inverters based on Mission Profiles. IEEE Transactions on Industry Applications, 57 (1), 741−753. DOI: 10.1109/TIA.2020.3030568.
1.1.
2020
Chub, A.; Vinnikov, D.; Kosenko, R.; Liivik, E.; Galkin, I. (2020). Bidirectional DC-DC Converter for Modular Residential Battery Energy Storage Systems. IEEE Transactions on Industrial Electronics, 67 (3), 1944−1955. DOI: 10.1109/TIE.2019.2902828.
1.1.
2020
Mashinchi Maheri, H.; Vinnikov, D.; Chub, A.; Sidorov, V.; Liivik, E. (2020). Impact of Transformer Turns Ratio on the Power Losses and Efficiency of the Wide Range Isolated Buck–Boost Converter for Photovoltaic Applications. Energies, 13 (21), #5645. DOI: 10.3390/en13215645.
1.1.
2020
Liu, W.; Yang, Y.; Kerekes, T.; Liivik, E.; Vinnikov, D.; Blaabjerg, F. (2020). Common-Mode Voltage Analysis and Reduction for the Quasi-Z-Source Inverter with a Split Inductor. Applied Sciences, 10 (23), 1−13. DOI: 10.3390/app10238713.
3.1.
2020
Vinnikov, D.; Chub, A.; Korkh, O.; Liivik, E.; Blinov, A. (2020). Voltage Gain Extension Techniques for High Step-Up Galvanically Isolated DC-DC Converters. Proceedings of the IEEE International Conference on Industrial Technology: ICIT2020, Buenos Aires, Argentina, 26-28 February 2020. IEEE, 1021−1027.
3.1.
2020
Vinnikov, D.; Chub, A.; Korkh, O.; Blinov, A.; Liivik, E. (2020). Hybrid DC –DC Converters with Topology Morphing Control and Post-fault Operation Capability. In: ELECTRIMACS 2019: Selected Papers (433−445). Springer Nature Switzerland . DOI: 10.1007/978-3-030-37161-6_33.
3.1.
2020
Dumnic, B.; Liivik, E.; Popadic, B.; Blaabjerg, F.; Milicevic, D.; Katic, V. (2020). Comparative Analysis of Reliability for String And Central Inverter PV Systems in Accordance with the FMECA. Proceedings of 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2020). IEEE,.
3.1.
2020
Bouguerra, S.; Sangwongwanich, A.; Blaabjerg, F.; Liivik, E.; Yaiche, M. R. (2020). Reliability Analysis and Energy Yield of String-Inverter Considering Monofacial and Bifacial PV Panels. Proceedings of 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2020). IEEE,.
1.1.
2019
Shen, Y.; Chub, A.; Wang, H.; Vinnikov, D.; Liivik, E.; Blaabjerg, F. (2019). Wear-out Failure Analysis of an Impedance-Source PV Microinverter Based on System-Level Electro-Thermal Modeling. IEEE Transactions on Industrial Electronics, 66 (5), 3914−3927. DOI: 10.1109/TIE.2018.2831643.
1.1.
2019
Vinnikov, D.; Chub, A.; Liivik, L.; Kosenko, R.; Korkh, O. (2019). Solar Optiverter - A Novel Hybrid Approach to the Photovoltaic Module Level Power Electronics. IEEE Transactions on Industrial Electronics, 66 (5), 3869−3880. DOI: 10.1109/TIE.2018.2850036.
1.1.
2019
Vinnikov, D.; Chub, A.; Korkh, O.; Liivik, E.; Blaabjerg, F.; Kouro, S. (2019). MPPT Performance Enhancement of Low-Cost PV Microconverters. Solar Energy, 187, 156−166. DOI: 10.1016/j.solener.2019.05.024.
1.1.
2019
Chub, A.; Vinnikov, D.; Stepenko, S.; Liivik, E.; Blaabjerg, F. (2019). Photovoltaic Energy Yield Improvement in Two-Stage Solar Microinverters. Energies, 12 (19), #3774. DOI: 10.3390/en12193774.
3.1.
2019
Sangwongwanich, A.; Shen, Y.; Chub, A.; Liivik, E.; Vinnikov, D.; Wang, H.; Blaabjerg, F. (2019). Mission Profile-based Accelerated Testing of DC-link Capacitors in Photovoltaic Inverters. Thirty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition (APEC). Anaheim, California: IEEE, 2833−2840.
3.1.
2019
Liu, W.; Yang, Y.; Liivik, E.; Vinnikov, D.; Blaabjerg, F. (2019). Critical Parameter Analysis and Design of the Quasi-Z-Source Inverter. 2019 IEEE 2nd Ukraine Conference on Electrical and Computer Engineering (UKRCON). IEEE.
3.1.
2019
Sangwongwanich, A.; Shen, Y.; Chub, A.; Liivik, E.; Vinnikov, D.; Wang, H.; Blaabjerg, F. (2019). Reliability of DC-link Capacitors in Two-Stage Micro-Inverters under different PV Module Sizes. 10th International Conference on Power Electronics-ECCE Asia: 10th International Conference on Power Electronics-ECCE Asia,May 27 - 30, 2019, BEXCO, Busan, Korea. BEXCO, Busan, Korea: IEEE.
3.1.
2019
Liivik, E.; Vinnikov, D.; Chub, A.; Shen, Y.; Wang, H.; Blaabjerg, F. (2019). Reliability Study of Input Side Capacitors in Impedance-Source PV Microconverters. IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society. Ed. IEEE. Lisbon, Portugal: IEEE, 4886−4892.
1.1.
2018
Chub, A.; Vinnikov, D.; Liivik, L.; Jalakas, T. (2018). Multiphase Quasi-Z-Source DC-DC Converters for Residential Distributed Generation Systems. IEEE Transactions on Industrial Electronics, 65 (10), 8361−8371. DOI: 10.1109/TIE.2018.2801860.
1.1.
2018
Sangwongwanich, A.; Zhou, D.; Liivik, E.; Blaabjerg, F. (2018). Mission profile resolution impacts on the thermal stress and reliability of power devices in PV inverters. Microelectronics Reliability, 88-90, 1003−1007. DOI: 10.1016/j.microrel.2018.06.094.
3.1.
2018
Shen, Y.; Liivik, E.; Blaabjerg, F.; Vinnikov, D.; Wang, H.; Chub, A. (2018). Reliability Evaluation of an Impedance-Source PV Microconverter. The 2018 IEEE Applied Power Electronics Conference and Exposition (APEC): Thirty-Third Annual IEEE Applied Power Electronics Conference and Exposition, March 4 – 8, 2018 • San Antonio, Texas. San Antonio, Texas: IEEE, 1104−1108.
3.1.
2018
Vinnikov, D.; Chub, A.; Liivik, E.; Blaabjerg, F.; Siwakoti, Y. (2018). Boost Half-Bridge DC-DC Converter with Reconfigurable Rectifier for Ultra-Wide Input Voltage Range Applications. Thirty-Third Annual IEEE Applied Power Electronics Conference and Exposition: Thirty-Third Annual IEEE Applied Power Electronics Conference and Exposition, March 4 – 8, 2018 • San Antonio, Texas. San Antonio, Texas: IEEE, 1528−1532.
3.1.
2018
Vinnikov, D.; Chub, A.; Liivik, E.; Blaabjerg, F.; Kouro, S. (2018). Maximizing Energy Harvest of the Impedance Source PV Microconverter under Partial Shading Conditions. 12th IEEE International Conference on Compatibility, Power Electronics, and Power Engineering (CPE 2018), Doha, Qatar, on Aprill 10-12, 2018. IEEE.
3.1.
2018
Sangwongwanich, A.; Liivik, E.; Blaabjerg, F. (2018). Photovoltaic Module Characteristic Influence on Reliability of Micro-Inverters. CPE-POWERENG 2018: 12th IEEE International Conference on Compatibility, Power Electronics, and Power Engineering, 10-12 April 2018 Doha, Qatar. Doha, Qatar: IEEE,.
3.1.
2018
Vinnikov; D., Chub; A., Kosenko; R., Liivik; E. (2018). Versatile Power Electronic Building Block for Residential DC Microgrids. 2018 INTERNATIONAL SYMPOSIUM ON Power Electronics, Electrical Drives, Automation and Motion: 2018 INTERNATIONAL SYMPOSIUM ON Power Electronics, Electrical Drives, Automation and Motion, Amalfi, Italy 20th – 22nd June, 2018. Toim. IEEE. Amalfi, Italy: IEEE, 735−742.
3.1.
2018
Liivik, E.; Sangwongwanich, A.; Blaabjerg, F. (2018). Reliability Analysis of Micro-Inverters considering PV Module Variations and Degradation Rates. EPE'18 ECCE Europe: EPE'18 ECCE Europe, Riga, Latvija, september 17-21, 2018. Riga, Latvia: IEEE, P1−P8.
3.1.
2018
Dumnic, B.; Liivik, E.; Milicevic, D.; Popadic, B.; Katic, V. (2018). Fault analysis and field experiences of central inverter based 2 MW PV plant. EPE'18 ECCE Europe: EPE'18 ECCE Europe, Riga, Latvia, september 17-21, 2018. Riga, Latvia: IEEE, P1−P10.
3.1.
2018
Liivik, E.; Chub, A.; Sangwongwanich, A., Shen, Y.; Vinnikov, D.; Blaabjerg, F. (2018). Wear-Out Failure Analysis of Solar Optiverter Operating With 60- and 72-Cell Si Crystalline PV Modules. 44th Annual Conference of the IEEE Industrial Electronics Society: 44th Annual Conference of the IEEE Industrial Electronics Society (IECON2018), Washington DC, USA, October 21-23, 2018.. Washington DC, USA.: IEEE.
3.1.
2018
Chub, A.; Vinnikov, D.; Liivik, E.; Jalakas, T.; Blinov, A. (2018). Design of Multiphase Single-Switch Impedance-Source Converters. The 44th Annual Conference of the IEEE Industrial Electronics Society (IECON'2018), Washington D.C., USA, October 21-23, 2018. IEEE, 3718−3724.
3.1.
2018
Chub, A.; Vinnikov, D.; Babaei, E.; Liivik, E.; Korkh, O.; Kouro, S. (2018). Single-Switch Impedance-Source Galvanically Isolated DC-DC Converter with Combined Energy Transfer. Proceedings of RTUCON'2018: 2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), Riga, Latvia, November 12-14, 2018. IEEE, 1−6.
4.1.
2018
Blaabjerg, F.; Liivik, E. (Eds.) (2018). Wind Turbines. MDPI. DOI: 10.3390/books978-3-03897-361-4.
1.1.
2017
Vinnikov, D.; Chub, A.; Liivik, E.; Roasto, I. (2017). High-Performance Quasi-Z-Source Series Resonant DC-DC Converter for Photovoltaic Module Level Power Electronics Applications. IEEE Transactions on Power Electronics, 32 (5), 3634−3650. DOI: 10.1109/TPEL.2016.2591726.
1.1.
2017
Vinnikov, D.; Chub, A.; Kosenko, R.; Zakis, J.; Liivik, E. (2017). Comparison of Performance of Phase-Shift and Asymmetrical Pulse Width Modulation Techniques for the Novel Galvanically Isolated Buck-Boost DC-DC Converter for Photovoltaic Applications. IEEE Journal of Emerging and Selected Topics in Power Electronics, 5 (2), 624−637. DOI: 10.1109/JESTPE.2016.2631628.
1.1.
2017
Chub, A.; Vinnikov, D.; Kosenko, R.; Liivik, L. (2017). Wide Input Voltage Range Photovoltaic Microconverter with Reconfigurable Buck-Boost Switching Stage. IEEE Transactions on Industrial Electronics, 64 (7), 5974−5983. DOI: 10.1109/TIE.2016.2645891.
3.1.
2017
Vinnikov, D., Chub, A., Liivik, E. (2017). Multiphase Galvanically Isolated Impedance-Source DC-DC Converter for Residential Renewable Energy Applications. Proceedings of the 2017 IEEE International Symposium on Industrial Electronics: Proceedings of the 2017 IEEE International Symposium on Industrial Electronics Edinburgh, Scotland, United Kingdom, 19-21 June 2017. 2017: IEEE, 1775−1780.
3.1.
2017
Liivik, E., Chub, A., Kosenko, R., Vinnikov, D. (2017). Low-Cost Photovoltaic Microinverter with Ultra-Wide MPPT Voltage Range. 6th International Conference on Clean Electrical Power Renewable Energy Resources Impact: 6th International Conference on Clean Electrical Power Renewable Energy Resources Impact, Santa Margherita Ligure, 27–29 June 2017. IEEE, 46−52. DOI: 10.1109/ICCEP.2017.8004790.
3.1.
2017
Vinnikov, D.; Kosenko, R.; Chub, A.; Liivik, E. (2017). Shade-Tolerant Photovoltaic Microinverter with Time Adaptive Seamless P-V Curve Sweep MPPT. Proceedings of 2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe). IEEE, P1−P7.
3.1.
2017
Verbytsyi, I.; Bondarenko, O., (2017). Control Features of Multicell-Type Current Regulator for Resistance Welding. Riga Technical University: 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), Riga, 12-13 october, 2017. Riga: IEEE, 1−6.
3.1.
2017
Vinnikov, D.; Chub, A.; Liivik, E.; Blaabjerg, F. (2017). Magnetically Integrated High Step-Up Resonant DC-DC Converter for Distributed Photovoltaic Systems. 43rd Annual Conference of the IEEE Industrial Electronics Society, IEEE: The 43rd Annual Conference of the IEEE Industrial Electronics Society. China: IEEE, 7691−7697. (CFP17IEC-USB).
3.1.
2017
Chub, A.; Vinnikov, D.; Liivik, E. (2017). Reverse Power Flow Control Possibilities of Galvanically Isolated Impedance-Source DC-DC Converters. IEEE CPE-POWERENG 2017: IEEE CPE-POWERENG 2017, Cadiz, Spain, April 4th to 6th, 2017. IEEE, 522−527. DOI: 10.1109/CPE.2017.7915226.
3.1.
2016
Vinnikov, D.; Chub, A.; Roasto, I.; Liivik, L. (2016). Multi-Mode Quasi-Z-Source Series Resonant DC/DC Converter for Wide Input Voltage Range Applications. 31st Annual IEEE Applied Power Electronics Conference and Exposition, March 18-24, 2016. Long Beach, CA, USA: IEEE, 2533−2539.
3.1.
2016
Liivik, L.; Chub, A.; Vinnikov, D. (2016). Input-Parallel Output-Series Cascading Possibilities of the Single-Switch Galvanically Isolated Quasi-Z-Source DC-DC Converters. 2016 2nd International Conference on Intelligent Energy and Power Systems, Kyiv, Ukraine, June 7-11, 2016. IEEE Conference Publications, 215−220.
3.1.
2016
Vinnikov, D.; Zakis, J.; Chub, A.; Liivik, L. (2016). Asymmetrical PWM Control of Galvanically Isolated Impedance-Source Series Resonant DC-DC Converters. CPE_POWERENG’2016: CPE_POWERENG’2016 - Joint conference of the 10th edition of CPE (the International Conference on Compatibility and Power Electronics) and the 6th edition of POWERENG (International Conference on Power Engineering, Energy and Electrical Drives). IEEE, 341−346. DOI: 10.1109/CPE.2016.7544211.
3.1.
2016
Liivik, E; Chub, A; Vinnikov, D. (2016). Efficiency Improvement from Topology Modification of the Single-Switch Isolated Quasi-Z-Source DC-DC Converter. 2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON): 2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON). Riga, Latvia: IEEE, 1−7. DOI: 10.1109/RTUCON.2016.7763118.
3.1.
2016
Vinnikov, D; Chub, A; Liivik, E. (2016). Single-Switch Galvanically Isolated Step-Up DC-DC Converter for Residential Photovoltaic Applications. Proceedings of the IECON2016 - 42nd Annual Conference of the Industrial Electronics Society, Florence (Italy), October 24-27, 2016: IECON2016, Florence (Italy), October 24-27, 2016. IEEE, 1−5. DOI: 10.1109/IECON.2016.7793776.
1.1.
2015
Husev, O.; Liivik, L.; ·Blaabjerg, F.; · Chub, A.; ·Vinnikov, D.; ·Roasto, I. (2015). Galvanically Isolated Quasi-Z-Source DC-DC Converter with a Novel ZVS and ZCS Technique. IEEE Transactions on Industrial Electronics, 62 (12), 7547−7556. DOI: 10.1109/TIE.2015.2455522.
1.1.
2015
Vinnikov, D.; Roasto, I.; Liivik, L.; Blinov, A. (2015). Four Novel PWM Shoot-Through Control Methods for Impedance Source DC-DC Converters. Journal of Power Electronics, 15 (2), 299−308. DOI: 10.6113/JPE.2015.15.2.299.
1.1.
2015
Kosenko, R.; Liivik, L.; Chub, A.; Velihorskyi, O. (2015). Comparative Analysis of Semiconductor Power Losses of Galvanically Isolated Quasi-Z-Source and Full-Bridge Boost DC-DC Converters. Electrical Control and Communication Engineering, 8 (1), 5−12. DOI: 10.1515/ecce-2015-0001.
2.3.
2015
Liivik, L. (2015). Semiconductor Power Loss Reduction and Efficiency Improvement Techniques for the Galvanically solated Quasi-Z-Source DC-DC Converters. (Doktoritöö, Tallinn Tehnikaülikool). Tallinn: TUT Press.
3.1.
2015
Zakis, J.; Rankis, R.; Liivik, L.; Chub, A. (2015). Analysis of Buck Mode Realization Possibilities in Quasi-Z-Source DC-DC Converters with Voltage Doubler Rectifier. IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG), Riga, Latvia, 11-13 May, 2015.. IEEE, 1−5.
3.1.
2015
Chub, A.; Liivik, L.; Zakis, J.; Vinnikov, D. (2015). Improved Switched-Inductor Quasi-Switched-Boost Inverter with Low Input Current Ripple. Proc. of 2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University, Riga, Latvia, October 14, 2015. IEEE, 221−226.
3.1.
2015
Vinnikov, D.; Chub, A.; Liivik, L. (2015). Asymmetrical Quasi-Z-Source Half-Bridge DC-DC Converters. Proceedings: The 9th International Conference on Compatibility and Power Electronics. Caparica, Lisbon, Portugal, 24-26 June, 2015: IEEE, 369−372.
3.1.
2015
Liivik, L.; Chub, A.; Vinnikov, D.; Zakis, J. (2015). Experimental Study of High Step-Up Quasi-Z-Source DC-DC Converter with Synchronous Rectification. Proceedings: The 9th International Conference on Compatibility and Power Electronics. Caparica, Lisbon, Portugal, 24-26 June, 2015: IEEE, 409−414.
1.2.
2014
Rassõlkin, A.; Liivik, L.; Vodovozov, V.; Raud, Z. (2014). A Library of Samples for E-Vehicle Propulsion Drive Tuning. Electrical Control and Communication Engineering, 5, 27−33.
3.1.
2014
Liivik, L.; Vinnikov, D.; Zakis, J. (2014). Simulation Study of High Step-Up Quasi-Z-Source DC-DC Converter with Synchronous Rectification. The 55th International Scientific Conference on Power and Electrical Engineering of Riga Thecnical University (RTUCON 2014). , 34−37.
3.1.
2014
Liivik, L.; Chub, A.; Vinnikov, D. (2014). Impedance-Source Galvanically Isolated DC/DC Converters: State of the Art and Future Challenges. The 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON 2014). IEEE, 67−74.
3.1.
2014
Roasto, I.; Liivik, L.; Vinnikov, D. (2014). Control of Quazi Z-source DC-DC Converter by the Overlap of Active States: New Possibilities and Limitations. 14th Biennial Baltic Electronics Conference, Tallinn, Estonia, Octoover 6-8. IEEE.
3.1.
2014
Liivik, L.; Vinnikov, D.; Jalakas, T. (2014). Synchronous Rectification in Quasi-Z-Source Converters: Possibilities and Challenges. 2014 IEEE International Conference on Intelligent Energy and Power Systems (IEPS2014): 2014 IEEE International Conference on Intelligent Energy and Power Systems (IEPS2014), June 2-6, 2014, Kyiv, Ukraine. IEEE, 32−35.
1.2.
2013
Zakis, J.; Rankis, I.; Liivik, L. (2013). Loss Reduction Method for the Isolated qZS-based DC/DC Converter. Electrical Control and Communication Engineering, 4, 13−18. DOI: 10.2478/ecce-2013-0016.
1.2.
2013
Vinnikov, D.; Zakis, J.; Liivik, L.; Rankis, I. (2013). qZS-BASED SOFT-SWITCHING DC/DC CONVERTER WITH A SERIES RESONANT LC CIRCUIT. Energy Saving. Power Engineering. Energy Audit, 114 (8, 2), 42−50.
3.2.
2013
Liivik, L.;Vodovozov, V.; Rassõlkin, A. (2013). A Library of Samples for Testing Variable Load Electric Drives. In: Scientific proceedings of Riga Technical University. Power and Electrical Engineering (p12.1−p12.5). . Riga : Riga Technical University.
3.4.
2005
Liivik, L. (2005). Doctoral School of Energy- and Geotechnology. In: Lahtmets, R. (_EditorsAbbr). 2nd International Symposium "Topical Problems of Education in the Field of Electrical and Power Engineering" : Kuressaare, Estonia, January 17-22, 2005 (55−57).. Kuressaare: Tallinn University of Technology, Faculty of Power Engineering.
3.1.
2004
Jansikene, R.; Liivik, L. (2004). Starting Process of Experimental Frequency Controlled Electrical Drive. BEC 2004: Proceeding of the 9th Biennial Baltic Electronics Conference: The 9-th Biennial Baltic Electronics Conference BEC 2004 October 3-6, 2004. Tallinn. 325−326.
3.4.
2004
Liivik, L. (2004). Contemporary teachning of electrical drives. Symposium "Topical problems of education in the field of electrical and power engineering" : January 19-24, 2004, Kuressaare, Estonia. Tallinn Technical University, Faculty Of Power Engineering,.
3.4.
2004
Liivik, L.; Jansikene, R.; Lehtla, T. (2004). Topical problem of Teaching of Electrical Drives. EPE-PEMC 2004 : 11th International Power Electronics and Motion Control Conference : 2–4 September 2004, Riga, Latvia : proceedings, 4 : Motion control, adjustable speed drives and education of electrical engineering: 11-th International Conference on Power Electronics and Motion Control. EPE-PEMC, Riga 02-04.09.2004. Riga: Riga Technical University, 505−506.
3.1.
2003
Jansikene, R.; Liivik, L.; Tomson, J. (2003). AC linear induction motor based positioning drive. Scientific proceedings of Riga Technical University 4. [series], Power and electrical engineering, 10. 41−45.
3.2.
2003
Liivik, L.; Jansikene, R.; Lehtla, T. (2003). Use of interactive Modelling in the Field of Energy Saving. 3rd InternationalWorkshop Compatibility in Power Electronics CPE 2003. Gdansk-Zieiona Gora, Poland: Lubusky Scientific Society, 2003. Lubusky Scientific Society, 64−66.
3.4.
2003
Liivik, L.; Jansikene, R. (2003). Use of interactive software for energy saving motor selection. RTU Power and Electrical Engineering: International Scientific Conference. Riia, Läti, 9–11. oktoober 2003. 65−70.
3.5.
2003
Jansikene, R.; Liivik, L. (2003). Preheating System Model of Molten Metal Tubing for Double Motor MHD-Drive. The 4th Research Symposium of Young Scientists "Actual problems of electrical drives and industry automation" : Tallinn, Estonia, May 17 - 21, 2003. Tallinn: Tallinn Technical University Department of Electrical Drives and Power , 131−134.
6.7.
2003
Liivik, L. (2003). Elektriajamite ja jõuelektroonika instituut : aastaraamat = Department of Electrical Drives and Power Electronics : annual report : 2002. Tallinn: Tallinn University of Technology Press.
3.1.
2002
Liivik, L.; Jansikene, R. (2002). Simulation of the Control System of AC Linear Positioning Drive. BEC 2002: Proceedings of the 8th Biennial Baltic Electronic Conference: Baltic Electronic Conference (BEC), Tallinn, TTU, 6 - 9. October 2002. TTU,.
3.4.
2002
Jansikene, R.; Liivik, L. (2002). Variable Speed Linear Induction Motor. Power and Electrical Engineering International Scientific Conference. Riia, Läti, 10–14. oktoober 2002.
3.4.
2002
Boiko, V.; Vinnikov, D.; Liivik, L. (2002). Automotive application of ultracapacitors. Summer Seminar on Nordic Network For Multi Disciplinary Optimised Electric Drives. Taipalsaari, Soome, 15–17. juuni 2002.
6.7.
2002
Liivik, L. (2002). Elektriajamite ja jõuelektroonika instituut : aastaraamat = Department of Electrical Drives and Power Electronics : annual report : 2001. Tallinn: Tallinn University of Technology Press.
3.5.
2001
Liivik, L.; Jansikene, R. (2001). Numerical Calculations of Engineering. Actual problems of electrical drives and industry automation : the 3rd research symposium of young scientists : May 19-26, 2001, Tallinn, Estonia: The 3rd Research Symposium of young scientists “Actual Problems of Electrical Drives and Industry Automation” Tallinn Technical University, 19-26 mai, 2001.. _EditorsAbbr Lahtmets, R.
6.2.
2001
Liivik, L. (2001). Raalarvutused elektrotehnikas. Tallinn: Tallinna Tehnikaülikooli elektriajamite ja jõuelektroonika instituut.
26.08.2021

Elizaveta Liivik

https://etis.ee/CV/Liisa_Liivik/eng
29.06.1976
+37253428224
liisa.liivik@gmail.com
http://

Career

Institutions and positions
01.01.2017–...   
Department of Energy Technology, Aalborg University, Denmark, Visiting Researcher (0,50)
01.10.2017–31.08.2020   
Tallinn University of Technology , School of Engineering, Department of Electrical Power Engineering and Mechatronics, Researcher (0,75)
01.01.2017–30.09.2017   
Tallinn University of Technology , School of Engineering, Department of Electrical Power Engineering and Mechatronics, (0,50)
01.09.2015–31.12.2016   
Tallinn University of Technology , Faculty of Power Engineering, Department of Electrical Engineering, (0,50)
01.01.2002–31.08.2007   
Tallinn University of Technology , Faculty of Power Engineering, Department of Electrical Engineering, Chair of Electrical Drivers and Electrical Supply, Lecturer (1,00)
01.01.1998–31.12.2001   
Tallinn University of Technology, Assistant (1,00)
 
 
Education
2000–2015   
Tallinn University of Technology , Faculty of Power Engineering, Department of Electrical Engineering; PhD Degree
1998–2000   
Department of Electrical Drives and Power Electronics of TUT; MsC Degree
1993–1998   
Department of Electrical Drives and Power Electronics of TUT; Dipl. Engineer
1991–1993   
Tartu Secondary School nr. 4; Secondary Education
 
 
R&D related managerial and administrative work
2013−...   
IEEE member
 
 
Additional information
Lecture “High-Performance Quasi-Z-Source Series Resonant DC-DC Converter for PV Module Level Power Electronics Applications“ run at Warsaw University of Technology - Electrical Engineering institute of Control and Industrial Electronics, 28.09.2016.
Research interests of Liisa Liivik include the design, simulation and experimental verification of the switch-mode converters for distributed power generation systems. She is the author or co-author of more than 50 scientific papers and one book.

Qualifications

Academic degrees
Elizaveta Liivik, Doctor's Degree, 2015, (sup) Dmitri Vinnikov, Semiconductor Power Loss Reduction and Efficiency Improvement Techniques for the Galvanically Isolated Quasi-Z-Source DC-DC Converters, Tallinn University of Technology Faculty of Power Engineering, Department of Electrical Engineering, Chair of Electrical Drivers and Electrical Supply.
Elizaveta Liivik, Research Master's Degree, 2000, (sup) Tõnu Lehtla; Raik Jansikene, Ülikooliõpik "Raalarvutused elektrotehnikas" (Numerical Calculations of Electrotechnics), Tallinn University of Technology Faculty of Power Engineering, Department of Electrical Engineering, Department of Electrical Drives and Power Electronics.
 
 
Honours & awards
2018, Elizaveta Liivik, 2018, Elizaveta Liivik, Best Paper Award at the 12th International Conference on Compatibility and Power Electronics and Power Engineering CPE-POWERENG'2018, Qatar
2018, Elizaveta Liivik, 2018, Elizaveta Liivik, IEEE IES Best Conference Paper Award
2018, Elizaveta Liivik, 2018, Elizaveta Liivik, Best Research Article of the Year 2017 Award of Tallinn University of Technology (in the Field of Engineering and Technology)
2017, Elizaveta Liivik, 2017, Elizaveta Liivik, Best Paper Award at the 26th IEEE International Symposium on Industrial Electronics ISIE'2017, Scotland, UK
2015, Elizaveta Liivik, Most Evaluated Young Author in the Subsection of Power Electronic Converters, Applications and Design.- 2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University
2015, Elizaveta Liivik, Letter of recognition for PhD thesis "Semiconductor Power Loss Reduction and Efficiency Improvement Techniques for the Galvanically Isolated Quasi-Z-Source DC-DC Converters" from Estonian Ministry of Education and Research
2000, Elizaveta Liivik, II place award for master thesis " Numerical Calculations of Electrotechnics" from Estonian Academy of Sciences
 
 
Fields of research
ETIS CLASSIFICATION: 4. Natural Sciences and Engineering; 4.17. Energetic Research; CERCS CLASSIFICATION: T140 Energy research
 
 
Additional information
Passed next advanced courses:2013 "Electric Drive Remote Control and Monitoring on the example of E-Laboratory"; 2013 "Pathfinder in Science"; 2013 "PERMANENT MAGNET SYNCHRONOUS MACHINE CONTROL FOR WIND ENERGY CONVERSION SYSTEMS AND DRIVES" (TTÜ);
Participated ECPE workshop "Control and Health Monitoring in Power Electronics", 4-5 july 2017, Aalborg, Denmark

Completed projects

Publications

Category
Year
Publication
 
1.1.
2021
Sangwongwanich, A.; Shen, Y.; Chub, A.; Liivik, E.; Vinnikov, D.; Wang, H.; Blaabjerg, F. (2021). Design for Accelerated Testing of DC-link Capacitors in Photovoltaic Inverters based on Mission Profiles. IEEE Transactions on Industry Applications, 57 (1), 741−753. DOI: 10.1109/TIA.2020.3030568.
1.1.
2020
Chub, A.; Vinnikov, D.; Kosenko, R.; Liivik, E.; Galkin, I. (2020). Bidirectional DC-DC Converter for Modular Residential Battery Energy Storage Systems. IEEE Transactions on Industrial Electronics, 67 (3), 1944−1955. DOI: 10.1109/TIE.2019.2902828.
1.1.
2020
Mashinchi Maheri, H.; Vinnikov, D.; Chub, A.; Sidorov, V.; Liivik, E. (2020). Impact of Transformer Turns Ratio on the Power Losses and Efficiency of the Wide Range Isolated Buck–Boost Converter for Photovoltaic Applications. Energies, 13 (21), #5645. DOI: 10.3390/en13215645.
1.1.
2020
Liu, W.; Yang, Y.; Kerekes, T.; Liivik, E.; Vinnikov, D.; Blaabjerg, F. (2020). Common-Mode Voltage Analysis and Reduction for the Quasi-Z-Source Inverter with a Split Inductor. Applied Sciences, 10 (23), 1−13. DOI: 10.3390/app10238713.
3.1.
2020
Vinnikov, D.; Chub, A.; Korkh, O.; Liivik, E.; Blinov, A. (2020). Voltage Gain Extension Techniques for High Step-Up Galvanically Isolated DC-DC Converters. Proceedings of the IEEE International Conference on Industrial Technology: ICIT2020, Buenos Aires, Argentina, 26-28 February 2020. IEEE, 1021−1027.
3.1.
2020
Vinnikov, D.; Chub, A.; Korkh, O.; Blinov, A.; Liivik, E. (2020). Hybrid DC –DC Converters with Topology Morphing Control and Post-fault Operation Capability. In: ELECTRIMACS 2019: Selected Papers (433−445). Springer Nature Switzerland . DOI: 10.1007/978-3-030-37161-6_33.
3.1.
2020
Dumnic, B.; Liivik, E.; Popadic, B.; Blaabjerg, F.; Milicevic, D.; Katic, V. (2020). Comparative Analysis of Reliability for String And Central Inverter PV Systems in Accordance with the FMECA. Proceedings of 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2020). IEEE,.
3.1.
2020
Bouguerra, S.; Sangwongwanich, A.; Blaabjerg, F.; Liivik, E.; Yaiche, M. R. (2020). Reliability Analysis and Energy Yield of String-Inverter Considering Monofacial and Bifacial PV Panels. Proceedings of 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2020). IEEE,.
1.1.
2019
Shen, Y.; Chub, A.; Wang, H.; Vinnikov, D.; Liivik, E.; Blaabjerg, F. (2019). Wear-out Failure Analysis of an Impedance-Source PV Microinverter Based on System-Level Electro-Thermal Modeling. IEEE Transactions on Industrial Electronics, 66 (5), 3914−3927. DOI: 10.1109/TIE.2018.2831643.
1.1.
2019
Vinnikov, D.; Chub, A.; Liivik, L.; Kosenko, R.; Korkh, O. (2019). Solar Optiverter - A Novel Hybrid Approach to the Photovoltaic Module Level Power Electronics. IEEE Transactions on Industrial Electronics, 66 (5), 3869−3880. DOI: 10.1109/TIE.2018.2850036.
1.1.
2019
Vinnikov, D.; Chub, A.; Korkh, O.; Liivik, E.; Blaabjerg, F.; Kouro, S. (2019). MPPT Performance Enhancement of Low-Cost PV Microconverters. Solar Energy, 187, 156−166. DOI: 10.1016/j.solener.2019.05.024.
1.1.
2019
Chub, A.; Vinnikov, D.; Stepenko, S.; Liivik, E.; Blaabjerg, F. (2019). Photovoltaic Energy Yield Improvement in Two-Stage Solar Microinverters. Energies, 12 (19), #3774. DOI: 10.3390/en12193774.
3.1.
2019
Sangwongwanich, A.; Shen, Y.; Chub, A.; Liivik, E.; Vinnikov, D.; Wang, H.; Blaabjerg, F. (2019). Mission Profile-based Accelerated Testing of DC-link Capacitors in Photovoltaic Inverters. Thirty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition (APEC). Anaheim, California: IEEE, 2833−2840.
3.1.
2019
Liu, W.; Yang, Y.; Liivik, E.; Vinnikov, D.; Blaabjerg, F. (2019). Critical Parameter Analysis and Design of the Quasi-Z-Source Inverter. 2019 IEEE 2nd Ukraine Conference on Electrical and Computer Engineering (UKRCON). IEEE.
3.1.
2019
Sangwongwanich, A.; Shen, Y.; Chub, A.; Liivik, E.; Vinnikov, D.; Wang, H.; Blaabjerg, F. (2019). Reliability of DC-link Capacitors in Two-Stage Micro-Inverters under different PV Module Sizes. 10th International Conference on Power Electronics-ECCE Asia: 10th International Conference on Power Electronics-ECCE Asia,May 27 - 30, 2019, BEXCO, Busan, Korea. BEXCO, Busan, Korea: IEEE.
3.1.
2019
Liivik, E.; Vinnikov, D.; Chub, A.; Shen, Y.; Wang, H.; Blaabjerg, F. (2019). Reliability Study of Input Side Capacitors in Impedance-Source PV Microconverters. IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society. Ed. IEEE. Lisbon, Portugal: IEEE, 4886−4892.
1.1.
2018
Chub, A.; Vinnikov, D.; Liivik, L.; Jalakas, T. (2018). Multiphase Quasi-Z-Source DC-DC Converters for Residential Distributed Generation Systems. IEEE Transactions on Industrial Electronics, 65 (10), 8361−8371. DOI: 10.1109/TIE.2018.2801860.
1.1.
2018
Sangwongwanich, A.; Zhou, D.; Liivik, E.; Blaabjerg, F. (2018). Mission profile resolution impacts on the thermal stress and reliability of power devices in PV inverters. Microelectronics Reliability, 88-90, 1003−1007. DOI: 10.1016/j.microrel.2018.06.094.
3.1.
2018
Shen, Y.; Liivik, E.; Blaabjerg, F.; Vinnikov, D.; Wang, H.; Chub, A. (2018). Reliability Evaluation of an Impedance-Source PV Microconverter. The 2018 IEEE Applied Power Electronics Conference and Exposition (APEC): Thirty-Third Annual IEEE Applied Power Electronics Conference and Exposition, March 4 – 8, 2018 • San Antonio, Texas. San Antonio, Texas: IEEE, 1104−1108.
3.1.
2018
Vinnikov, D.; Chub, A.; Liivik, E.; Blaabjerg, F.; Siwakoti, Y. (2018). Boost Half-Bridge DC-DC Converter with Reconfigurable Rectifier for Ultra-Wide Input Voltage Range Applications. Thirty-Third Annual IEEE Applied Power Electronics Conference and Exposition: Thirty-Third Annual IEEE Applied Power Electronics Conference and Exposition, March 4 – 8, 2018 • San Antonio, Texas. San Antonio, Texas: IEEE, 1528−1532.
3.1.
2018
Vinnikov, D.; Chub, A.; Liivik, E.; Blaabjerg, F.; Kouro, S. (2018). Maximizing Energy Harvest of the Impedance Source PV Microconverter under Partial Shading Conditions. 12th IEEE International Conference on Compatibility, Power Electronics, and Power Engineering (CPE 2018), Doha, Qatar, on Aprill 10-12, 2018. IEEE.
3.1.
2018
Sangwongwanich, A.; Liivik, E.; Blaabjerg, F. (2018). Photovoltaic Module Characteristic Influence on Reliability of Micro-Inverters. CPE-POWERENG 2018: 12th IEEE International Conference on Compatibility, Power Electronics, and Power Engineering, 10-12 April 2018 Doha, Qatar. Doha, Qatar: IEEE,.
3.1.
2018
Vinnikov; D., Chub; A., Kosenko; R., Liivik; E. (2018). Versatile Power Electronic Building Block for Residential DC Microgrids. 2018 INTERNATIONAL SYMPOSIUM ON Power Electronics, Electrical Drives, Automation and Motion: 2018 INTERNATIONAL SYMPOSIUM ON Power Electronics, Electrical Drives, Automation and Motion, Amalfi, Italy 20th – 22nd June, 2018. Toim. IEEE. Amalfi, Italy: IEEE, 735−742.
3.1.
2018
Liivik, E.; Sangwongwanich, A.; Blaabjerg, F. (2018). Reliability Analysis of Micro-Inverters considering PV Module Variations and Degradation Rates. EPE'18 ECCE Europe: EPE'18 ECCE Europe, Riga, Latvija, september 17-21, 2018. Riga, Latvia: IEEE, P1−P8.
3.1.
2018
Dumnic, B.; Liivik, E.; Milicevic, D.; Popadic, B.; Katic, V. (2018). Fault analysis and field experiences of central inverter based 2 MW PV plant. EPE'18 ECCE Europe: EPE'18 ECCE Europe, Riga, Latvia, september 17-21, 2018. Riga, Latvia: IEEE, P1−P10.
3.1.
2018
Liivik, E.; Chub, A.; Sangwongwanich, A., Shen, Y.; Vinnikov, D.; Blaabjerg, F. (2018). Wear-Out Failure Analysis of Solar Optiverter Operating With 60- and 72-Cell Si Crystalline PV Modules. 44th Annual Conference of the IEEE Industrial Electronics Society: 44th Annual Conference of the IEEE Industrial Electronics Society (IECON2018), Washington DC, USA, October 21-23, 2018.. Washington DC, USA.: IEEE.
3.1.
2018
Chub, A.; Vinnikov, D.; Liivik, E.; Jalakas, T.; Blinov, A. (2018). Design of Multiphase Single-Switch Impedance-Source Converters. The 44th Annual Conference of the IEEE Industrial Electronics Society (IECON'2018), Washington D.C., USA, October 21-23, 2018. IEEE, 3718−3724.
3.1.
2018
Chub, A.; Vinnikov, D.; Babaei, E.; Liivik, E.; Korkh, O.; Kouro, S. (2018). Single-Switch Impedance-Source Galvanically Isolated DC-DC Converter with Combined Energy Transfer. Proceedings of RTUCON'2018: 2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), Riga, Latvia, November 12-14, 2018. IEEE, 1−6.
4.1.
2018
Blaabjerg, F.; Liivik, E. (Eds.) (2018). Wind Turbines. MDPI. DOI: 10.3390/books978-3-03897-361-4.
1.1.
2017
Vinnikov, D.; Chub, A.; Liivik, E.; Roasto, I. (2017). High-Performance Quasi-Z-Source Series Resonant DC-DC Converter for Photovoltaic Module Level Power Electronics Applications. IEEE Transactions on Power Electronics, 32 (5), 3634−3650. DOI: 10.1109/TPEL.2016.2591726.
1.1.
2017
Vinnikov, D.; Chub, A.; Kosenko, R.; Zakis, J.; Liivik, E. (2017). Comparison of Performance of Phase-Shift and Asymmetrical Pulse Width Modulation Techniques for the Novel Galvanically Isolated Buck-Boost DC-DC Converter for Photovoltaic Applications. IEEE Journal of Emerging and Selected Topics in Power Electronics, 5 (2), 624−637. DOI: 10.1109/JESTPE.2016.2631628.
1.1.
2017
Chub, A.; Vinnikov, D.; Kosenko, R.; Liivik, L. (2017). Wide Input Voltage Range Photovoltaic Microconverter with Reconfigurable Buck-Boost Switching Stage. IEEE Transactions on Industrial Electronics, 64 (7), 5974−5983. DOI: 10.1109/TIE.2016.2645891.
3.1.
2017
Vinnikov, D., Chub, A., Liivik, E. (2017). Multiphase Galvanically Isolated Impedance-Source DC-DC Converter for Residential Renewable Energy Applications. Proceedings of the 2017 IEEE International Symposium on Industrial Electronics: Proceedings of the 2017 IEEE International Symposium on Industrial Electronics Edinburgh, Scotland, United Kingdom, 19-21 June 2017. 2017: IEEE, 1775−1780.
3.1.
2017
Liivik, E., Chub, A., Kosenko, R., Vinnikov, D. (2017). Low-Cost Photovoltaic Microinverter with Ultra-Wide MPPT Voltage Range. 6th International Conference on Clean Electrical Power Renewable Energy Resources Impact: 6th International Conference on Clean Electrical Power Renewable Energy Resources Impact, Santa Margherita Ligure, 27–29 June 2017. IEEE, 46−52. DOI: 10.1109/ICCEP.2017.8004790.
3.1.
2017
Vinnikov, D.; Kosenko, R.; Chub, A.; Liivik, E. (2017). Shade-Tolerant Photovoltaic Microinverter with Time Adaptive Seamless P-V Curve Sweep MPPT. Proceedings of 2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe). IEEE, P1−P7.
3.1.
2017
Verbytsyi, I.; Bondarenko, O., (2017). Control Features of Multicell-Type Current Regulator for Resistance Welding. Riga Technical University: 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), Riga, 12-13 october, 2017. Riga: IEEE, 1−6.
3.1.
2017
Vinnikov, D.; Chub, A.; Liivik, E.; Blaabjerg, F. (2017). Magnetically Integrated High Step-Up Resonant DC-DC Converter for Distributed Photovoltaic Systems. 43rd Annual Conference of the IEEE Industrial Electronics Society, IEEE: The 43rd Annual Conference of the IEEE Industrial Electronics Society. China: IEEE, 7691−7697. (CFP17IEC-USB).
3.1.
2017
Chub, A.; Vinnikov, D.; Liivik, E. (2017). Reverse Power Flow Control Possibilities of Galvanically Isolated Impedance-Source DC-DC Converters. IEEE CPE-POWERENG 2017: IEEE CPE-POWERENG 2017, Cadiz, Spain, April 4th to 6th, 2017. IEEE, 522−527. DOI: 10.1109/CPE.2017.7915226.
3.1.
2016
Vinnikov, D.; Chub, A.; Roasto, I.; Liivik, L. (2016). Multi-Mode Quasi-Z-Source Series Resonant DC/DC Converter for Wide Input Voltage Range Applications. 31st Annual IEEE Applied Power Electronics Conference and Exposition, March 18-24, 2016. Long Beach, CA, USA: IEEE, 2533−2539.
3.1.
2016
Liivik, L.; Chub, A.; Vinnikov, D. (2016). Input-Parallel Output-Series Cascading Possibilities of the Single-Switch Galvanically Isolated Quasi-Z-Source DC-DC Converters. 2016 2nd International Conference on Intelligent Energy and Power Systems, Kyiv, Ukraine, June 7-11, 2016. IEEE Conference Publications, 215−220.
3.1.
2016
Vinnikov, D.; Zakis, J.; Chub, A.; Liivik, L. (2016). Asymmetrical PWM Control of Galvanically Isolated Impedance-Source Series Resonant DC-DC Converters. CPE_POWERENG’2016: CPE_POWERENG’2016 - Joint conference of the 10th edition of CPE (the International Conference on Compatibility and Power Electronics) and the 6th edition of POWERENG (International Conference on Power Engineering, Energy and Electrical Drives). IEEE, 341−346. DOI: 10.1109/CPE.2016.7544211.
3.1.
2016
Liivik, E; Chub, A; Vinnikov, D. (2016). Efficiency Improvement from Topology Modification of the Single-Switch Isolated Quasi-Z-Source DC-DC Converter. 2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON): 2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON). Riga, Latvia: IEEE, 1−7. DOI: 10.1109/RTUCON.2016.7763118.
3.1.
2016
Vinnikov, D; Chub, A; Liivik, E. (2016). Single-Switch Galvanically Isolated Step-Up DC-DC Converter for Residential Photovoltaic Applications. Proceedings of the IECON2016 - 42nd Annual Conference of the Industrial Electronics Society, Florence (Italy), October 24-27, 2016: IECON2016, Florence (Italy), October 24-27, 2016. IEEE, 1−5. DOI: 10.1109/IECON.2016.7793776.
1.1.
2015
Husev, O.; Liivik, L.; ·Blaabjerg, F.; · Chub, A.; ·Vinnikov, D.; ·Roasto, I. (2015). Galvanically Isolated Quasi-Z-Source DC-DC Converter with a Novel ZVS and ZCS Technique. IEEE Transactions on Industrial Electronics, 62 (12), 7547−7556. DOI: 10.1109/TIE.2015.2455522.
1.1.
2015
Vinnikov, D.; Roasto, I.; Liivik, L.; Blinov, A. (2015). Four Novel PWM Shoot-Through Control Methods for Impedance Source DC-DC Converters. Journal of Power Electronics, 15 (2), 299−308. DOI: 10.6113/JPE.2015.15.2.299.
1.1.
2015
Kosenko, R.; Liivik, L.; Chub, A.; Velihorskyi, O. (2015). Comparative Analysis of Semiconductor Power Losses of Galvanically Isolated Quasi-Z-Source and Full-Bridge Boost DC-DC Converters. Electrical Control and Communication Engineering, 8 (1), 5−12. DOI: 10.1515/ecce-2015-0001.
2.3.
2015
Liivik, L. (2015). Semiconductor Power Loss Reduction and Efficiency Improvement Techniques for the Galvanically solated Quasi-Z-Source DC-DC Converters. (Doktoritöö, Tallinn Tehnikaülikool). Tallinn: TUT Press.
3.1.
2015
Zakis, J.; Rankis, R.; Liivik, L.; Chub, A. (2015). Analysis of Buck Mode Realization Possibilities in Quasi-Z-Source DC-DC Converters with Voltage Doubler Rectifier. IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG), Riga, Latvia, 11-13 May, 2015.. IEEE, 1−5.
3.1.
2015
Chub, A.; Liivik, L.; Zakis, J.; Vinnikov, D. (2015). Improved Switched-Inductor Quasi-Switched-Boost Inverter with Low Input Current Ripple. Proc. of 2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University, Riga, Latvia, October 14, 2015. IEEE, 221−226.
3.1.
2015
Vinnikov, D.; Chub, A.; Liivik, L. (2015). Asymmetrical Quasi-Z-Source Half-Bridge DC-DC Converters. Proceedings: The 9th International Conference on Compatibility and Power Electronics. Caparica, Lisbon, Portugal, 24-26 June, 2015: IEEE, 369−372.
3.1.
2015
Liivik, L.; Chub, A.; Vinnikov, D.; Zakis, J. (2015). Experimental Study of High Step-Up Quasi-Z-Source DC-DC Converter with Synchronous Rectification. Proceedings: The 9th International Conference on Compatibility and Power Electronics. Caparica, Lisbon, Portugal, 24-26 June, 2015: IEEE, 409−414.
1.2.
2014
Rassõlkin, A.; Liivik, L.; Vodovozov, V.; Raud, Z. (2014). A Library of Samples for E-Vehicle Propulsion Drive Tuning. Electrical Control and Communication Engineering, 5, 27−33.
3.1.
2014
Liivik, L.; Vinnikov, D.; Zakis, J. (2014). Simulation Study of High Step-Up Quasi-Z-Source DC-DC Converter with Synchronous Rectification. The 55th International Scientific Conference on Power and Electrical Engineering of Riga Thecnical University (RTUCON 2014). , 34−37.
3.1.
2014
Liivik, L.; Chub, A.; Vinnikov, D. (2014). Impedance-Source Galvanically Isolated DC/DC Converters: State of the Art and Future Challenges. The 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON 2014). IEEE, 67−74.
3.1.
2014
Roasto, I.; Liivik, L.; Vinnikov, D. (2014). Control of Quazi Z-source DC-DC Converter by the Overlap of Active States: New Possibilities and Limitations. 14th Biennial Baltic Electronics Conference, Tallinn, Estonia, Octoover 6-8. IEEE.
3.1.
2014
Liivik, L.; Vinnikov, D.; Jalakas, T. (2014). Synchronous Rectification in Quasi-Z-Source Converters: Possibilities and Challenges. 2014 IEEE International Conference on Intelligent Energy and Power Systems (IEPS2014): 2014 IEEE International Conference on Intelligent Energy and Power Systems (IEPS2014), June 2-6, 2014, Kyiv, Ukraine. IEEE, 32−35.
1.2.
2013
Zakis, J.; Rankis, I.; Liivik, L. (2013). Loss Reduction Method for the Isolated qZS-based DC/DC Converter. Electrical Control and Communication Engineering, 4, 13−18. DOI: 10.2478/ecce-2013-0016.
1.2.
2013
Vinnikov, D.; Zakis, J.; Liivik, L.; Rankis, I. (2013). qZS-BASED SOFT-SWITCHING DC/DC CONVERTER WITH A SERIES RESONANT LC CIRCUIT. Energy Saving. Power Engineering. Energy Audit, 114 (8, 2), 42−50.
3.2.
2013
Liivik, L.;Vodovozov, V.; Rassõlkin, A. (2013). A Library of Samples for Testing Variable Load Electric Drives. In: Scientific proceedings of Riga Technical University. Power and Electrical Engineering (p12.1−p12.5). . Riga : Riga Technical University.
3.4.
2005
Liivik, L. (2005). Doctoral School of Energy- and Geotechnology. In: Lahtmets, R. (_EditorsAbbr). 2nd International Symposium "Topical Problems of Education in the Field of Electrical and Power Engineering" : Kuressaare, Estonia, January 17-22, 2005 (55−57).. Kuressaare: Tallinn University of Technology, Faculty of Power Engineering.
3.1.
2004
Jansikene, R.; Liivik, L. (2004). Starting Process of Experimental Frequency Controlled Electrical Drive. BEC 2004: Proceeding of the 9th Biennial Baltic Electronics Conference: The 9-th Biennial Baltic Electronics Conference BEC 2004 October 3-6, 2004. Tallinn. 325−326.
3.4.
2004
Liivik, L. (2004). Contemporary teachning of electrical drives. Symposium "Topical problems of education in the field of electrical and power engineering" : January 19-24, 2004, Kuressaare, Estonia. Tallinn Technical University, Faculty Of Power Engineering,.
3.4.
2004
Liivik, L.; Jansikene, R.; Lehtla, T. (2004). Topical problem of Teaching of Electrical Drives. EPE-PEMC 2004 : 11th International Power Electronics and Motion Control Conference : 2–4 September 2004, Riga, Latvia : proceedings, 4 : Motion control, adjustable speed drives and education of electrical engineering: 11-th International Conference on Power Electronics and Motion Control. EPE-PEMC, Riga 02-04.09.2004. Riga: Riga Technical University, 505−506.
3.1.
2003
Jansikene, R.; Liivik, L.; Tomson, J. (2003). AC linear induction motor based positioning drive. Scientific proceedings of Riga Technical University 4. [series], Power and electrical engineering, 10. 41−45.
3.2.
2003
Liivik, L.; Jansikene, R.; Lehtla, T. (2003). Use of interactive Modelling in the Field of Energy Saving. 3rd InternationalWorkshop Compatibility in Power Electronics CPE 2003. Gdansk-Zieiona Gora, Poland: Lubusky Scientific Society, 2003. Lubusky Scientific Society, 64−66.
3.4.
2003
Liivik, L.; Jansikene, R. (2003). Use of interactive software for energy saving motor selection. RTU Power and Electrical Engineering: International Scientific Conference. Riia, Läti, 9–11. oktoober 2003. 65−70.
3.5.
2003
Jansikene, R.; Liivik, L. (2003). Preheating System Model of Molten Metal Tubing for Double Motor MHD-Drive. The 4th Research Symposium of Young Scientists "Actual problems of electrical drives and industry automation" : Tallinn, Estonia, May 17 - 21, 2003. Tallinn: Tallinn Technical University Department of Electrical Drives and Power , 131−134.
6.7.
2003
Liivik, L. (2003). Elektriajamite ja jõuelektroonika instituut : aastaraamat = Department of Electrical Drives and Power Electronics : annual report : 2002. Tallinn: Tallinn University of Technology Press.
3.1.
2002
Liivik, L.; Jansikene, R. (2002). Simulation of the Control System of AC Linear Positioning Drive. BEC 2002: Proceedings of the 8th Biennial Baltic Electronic Conference: Baltic Electronic Conference (BEC), Tallinn, TTU, 6 - 9. October 2002. TTU,.
3.4.
2002
Jansikene, R.; Liivik, L. (2002). Variable Speed Linear Induction Motor. Power and Electrical Engineering International Scientific Conference. Riia, Läti, 10–14. oktoober 2002.
3.4.
2002
Boiko, V.; Vinnikov, D.; Liivik, L. (2002). Automotive application of ultracapacitors. Summer Seminar on Nordic Network For Multi Disciplinary Optimised Electric Drives. Taipalsaari, Soome, 15–17. juuni 2002.
6.7.
2002
Liivik, L. (2002). Elektriajamite ja jõuelektroonika instituut : aastaraamat = Department of Electrical Drives and Power Electronics : annual report : 2001. Tallinn: Tallinn University of Technology Press.
3.5.
2001
Liivik, L.; Jansikene, R. (2001). Numerical Calculations of Engineering. Actual problems of electrical drives and industry automation : the 3rd research symposium of young scientists : May 19-26, 2001, Tallinn, Estonia: The 3rd Research Symposium of young scientists “Actual Problems of Electrical Drives and Industry Automation” Tallinn Technical University, 19-26 mai, 2001.. _EditorsAbbr Lahtmets, R.
6.2.
2001
Liivik, L. (2001). Raalarvutused elektrotehnikas. Tallinn: Tallinna Tehnikaülikooli elektriajamite ja jõuelektroonika instituut.
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