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book article

Harmonic losses in induction motors caused by voltage waveform distortionsMõlder, Heigo; Vinnal, Toomas; Beldjajev, ViktorPQ2010 : 7th International Conference "2010 Electric Power Quality and Supply Reliability" : June 16-18, 2010, Kuressaare, Estonia2010 / p. 143-148 : ill

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27

book article

Harmonic voltages and currents in LV industrial power systems, shunt capacitors and additional power lossesVinnal, Toomas; Kalda, Heljut; Mõlder, Heigo9th International Symposium "Topical problems in the field of electrical and power engineering". Doctoral school of energy and geotechnology. II : Pärnu, Estonia, June 14-19, 20102010 / p. 47-52 : ill

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28

book article

High power factor AC-DC line-frequency resonant converter for deeply varying loadsJanson, Kuno; Järvik, Jaan; Vinnal, Toomas5 Congresso Brasileiro de Eletronica de Potencia = The 5th Brazilian Power Electronics Conference : COBEP99 : Foz do Iguagu, Parana, Brasil, 19 a 23 de setembro de 1999. Vol. 11999 / p. 423-428

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book article

Higher harmonics in AC-DC line-frequency resonant converter for deeply varying loadsJanson, Kuno; Järvik, Jaan; Vinnal, ToomasElectric Power Quality and Supply Reliability : June 9-12, 1999, Sagadi, Estonia : conference proceedings1999 / p. 96-101: ill

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Higher harmonics in load-adapting mains Frequency resonant converterJanson, Kuno; Järvik, Jaan; Vinnal, Toomas8th International Conference on Harmonics and Quality of Power, October 14-16, 1998, Athens, Greece : proceedings. Vol. 21998 / p. 859-864: ill

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31

newspaper article

Hoonete energiakulu on võimalik vähendadaVinnal, ToomasNädaline1999 / 11. märts, lk. 6

newspaper article

32

book article

Improvement of environmental and health issues in educational institutionsTint, Piia; Kask, Ülo; Kõiv, Teet-Andrus; Vinnal, Toomas; Reinhold, KarinSafety and Reliability for Managing Risk : proceedings of the European Safety and Reliability Conference 2006 (ESREL 2006) : Estoril, Portugal, 18-22 September. Volume 12006 / p. 835-840 : ill

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33

book

Inimesele toimivate elektri-, magnet- ja elektromagnetväljade (0 HZ kuni 300 GHz) mõõtmis- ja arvutusviiside põhistandard [Võrguteavik] = Basic standard on measurment and calculation procedures for human exposure to electric, magnetic and electromagnetic fields (0 Hz - 300 GHz)2019 https://www.ester.ee/record=b5294775*est

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34

book article

Installed capacities of reactive components and transformer in line frequency resonant convertersJanson, Kuno; Järvik, Jaan; Vinnal, ToomasEPQU'01 : Electrical Power Quality and Utilisation : 6th International Conference : September 19-21, 2001, Cracow, Poland : proceedings2001 / p. 445-449 : ill

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35

book article

Inverter mode in converter with alternating of parallel and series resonanceJanson, Kuno; Järvik, Jaan; Šklovski, Jevgeni; Vinnal, ToomasEPE-PEMC 2004 : 11th International Power Electronics and Motion Control Conference : 2-4 September 2004, Riga, Latvia : proceedings. Vol. 1 of 7, Power electronic converters and control2004 / p. 1-227 - 1-232 : ill

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36

book article

Load adapting resonant converter as a transformer with smoothly variable ratioJanson, Kuno; Järvik, Jaan; Vinnal, Toomas43. Internationales Wissenschaftliches Kolloquium, 21.-24.09.1998. Band 4, Elektroenergiesysteme und elektrische Geräte, Diagnostik, Hochspannungstechnik und elektrische Isoliertechnik, Energiewandlung : Vortragsreihen1998 / S. 657-662: Ill

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37

book article

Load adapting resonant converter for supplying deeply varying loadJanson, Kuno; Järvik, Jaan; Vinnal, ToomasBEC'98 : the 6th Biennial Conference on Electronics and Microsystems Technology, October 7-9, 1998, Tallinn, Estonia : proceedings1998 / p. 227-230: ill

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book article

Measurements and analyses of supply voltage magnitude and voltage variations in Estonian industrial companiesVinnal, Toomas; Kalda, Heljut; Mõlder, Heigo10th International Symposium "Topical Problems in the Field of Electrical and Power Engineering”. Doctoral School of Energy and Geotechnology II : Pärnu, Estonia, January 10-15, 20112011 / p. 46-51 : ill

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39

book

14-15. aprillil 2011 : Energia- ja geotehnika doktorikooli II intensiivkursus "Elektri allikad, tarbijad, muundurid ja salvestid ning nende mõju elektrikvaliteedile" : [käsikiri]Järvik, Jaan; Vinnal, Toomas2011

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book article

New theoretical approach to input current shaping in ac-dc power converters [Electronic resource]Janson, Kuno; Bolgov, Viktor; Vinnal, Toomas; Järvik, JaanProceedings of 5th International Conference 2007 : Compatibility in Power Electronics : 29 May - 1 June 2007, Gdynia, Poland2007 / [8] p. : ill. [CD-ROM] https://ieeexplore.ieee.org/document/4296517

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41

book article

New trends in the development of power supplies for arc furnacesJanson, Kuno; Järvik, Jaan; Vinnal, ToomasPEDC'99 : International Workshop on Power Electronics Equipment for Power Quality Improvement : Slubice, 19991999 / p. 26-37

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42

book article

Operation of PSA converter in inverter modeJanson, Kuno; Järvik, Jaan; Šklovski, Jevgeni; Vinnal, ToomasThe 4th International Conference Electric Power Quality and Supply Reliability : August 29...31, 2004, Pedase, Estonia : proceedings2004 / p. 81-86 : ill

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43

book article

Power losses in induction motors in relation to supply voltage qualityVinnal, Toomas; Janson, Kuno; Kalda, HeljutPCIM 2010 Power Electronics, Intelligent Motion, Power Quality : Nuremberg, Germany, 4-6 May 20102010 / p. 636-642

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44

book article

Power quality problems in low voltage networks of EstoniaVinnal, Toomas; Janson, Kuno; Kalda, Heljut; Sakkos, TiiuCIRED 2013 : 22nd international conference & exhibition on electricity distribution : 10-13 june 2013 Kistamässan, Kista, Stockholm, Sweden : electricity distribution systems for a sustainable future : special reports2013 / p. 1-4 : ill

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45

book

Rahvusvaheline elektrotehnika sõnastik. Osa 482, Primaar- ja sekundaarelemendid ja -patareid [Võrguteavik] = International Electrotechnical Vocabulary. Part 482: Primary and secondary cells and batteries (IEC 60050-482:2004 + IEC 60050-482:2004/Amd 1:2016 - IEC 60050-482:2004/Amd 2:2020, identical)2020 https://www.evs.ee/StandardDownload/DownloadPreview?productId=134267&language=43

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book article

Resonances in LV industrial networks when using shunt capacitors for power factor correctionVinnal, Toomas; Sakkos, Tiiu; Janson, Kuno; Jarkovoi, Marek23rd International Conference on Electricity Distribution : Lyon, 15-18 June 20152015 / Paper 0135, p. 1-4 : ill

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47

book article

Resonances in LV industrial networks when using shunt capacitors for power factor correctionVinnal, Toomas; Sakkos, Tiiu; Janson, Kuno; Jarkovoi, Marek23rd International Conference and Exhibition on Electricity Distribution : Lyon (France), 15-18 June 2015 : special reports2015 / p. 12/33 : ill

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48

book article

Simple and compatible resonant converter for supplying electric arcJanson, Kuno; Järvik, Jaan; Vinnal, ToomasPower Electronics Conference : PCIM 2002, March 12-15, 2002, Shanghai, China : official proceedings of the international conference2002 / p. 232-237 : ill

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49

book article

Study methods of AC-DC line-frequency resonant converters with alternation of parallel and series resonant modeJanson, Kuno; Järvik, Jaan; Vinnal, Toomas5th International Conference : Electrical Power Quality and Utilisation : September 15-17, 1999, Cracow, Poland : EPQU'99 : proceedings1999 / p. 475-478 : ill

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book article

Supply voltage level optimisation in low voltage networks using shunt capacitorsVinnal, Toomas; Janson, Kuno; Kalda, Heljut; Kütt, LauriElectrical and control technologies : proceedings of the the 7th international conference on electrical and control technologies ECT-20122012 / p. 206-211 : ill

book article

Vinnal, Toomas (author)

types of item

author 136

CV 53

name of the person 34

TTÜ subject term 1