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Asünkroon mootori diagramm192-? https://www.ester.ee/record=b1743429*est

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A detailed testing procedure of numerical differential protection relay for EHV auto transformerEhsan, Umer; Jawad, Muhammad; Javed, Umar; Zaidi, Khurram Shabih; Rehman, Ateeq Ur; Rassõlkin, Anton; Althobaiti, Maha M.; Hamam, Habib; Shafiq, MuhammadEnergies2021 / art. 8447 https://doi.org/10.3390/en14248447 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Determination of core losses using an inverse modeling techniqueOsemwinyen, Osaruyi; Hemeida, Ahmed; Ghahfarokhi, Payam Shams; Belahcen, AnouarIEEE Access2022 / p. 29224-29232 https://doi.org/10.1109/ACCESS.2022.3158365 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Determination of leakage inductances of three-winding transformer for HF-PSA resonant circuitŠklovski, Jevgeni; Janson, Kuno; Niilo, Helar11th International Symposium "Topical Problems in the Field of Electrical and Power Engineering." Doctoral School of Energy and Geotechnology II : Pärnu, Estonia, January 16-21, 20122012 / p. 113-116 : ill

Distribution transformer frequency response analysis : behavior of different statistical indices during inter-disk faultNurmanova, Venera; Sultanbek, Adilet; Bagheri, Mehdi; Ahmadiahangar, Roya2019 IEEE International Conference on Environment and Electrical Engineering and 2019 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe)2019 / 6 p. : ill https://doi.org/10.1109/EEEIC.2019.8783252

Efficiency optimization of the high-power isolated DC/DC converters through THD and losses reduction in isolation transformers [Electronic resource]Vinnikov, Dmitri; Bolgov, ViktorInternational Conference on Renewable Energies and Power Quality : ICREPQ'09 : Valencia, Spain, 15th to 17th April, 20092009 / [7] p. : ill. [CD-ROM] https://www.researchgate.net/publication/237808470_Efficiency_Optimization_of_the_High-Power_Isolated_DCDC_Converters_through_THD_and_Losses_Reduction_in_Isolation_Transformers

Elektrimasinad. 1Voldek, Aleksander1972 https://www.ester.ee/record=b1324816*est

Elektrimasinad. 1Võrk, Hans Roland1947 https://www.ester.ee/record=b1319145*est

High‐voltage pulse transformer for IOT modulatorsJalakas, Tanel; Janson, Kuno; Mõlder, Heigo; Roasto, IndrekIET electric power applications2020 / p. 2348-2354 https://doi.org/10.1049/iet-epa.2019.0877 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

An improved ZVS high step-up converter based on coupled inductor and built-in transformerNouri, Tohid; Vosoughi Kurdkandi, Naser; Husev, OleksandrIEEE transactions on power electronics2021 / p. 13802-13816 : ill https://doi.org/10.1109/TPEL.2021.3088092 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Improvement of voltage transformers overvoltage problems in MV networksJanson, Kuno; Järvik, Jaan; Kütt, Lauri; Soosalu, Ain6th International Conference "2008 Power Quality and Supply Reliability" : August 27-29, 2008 : Pärnu, Estonia : conference proceedings2008 / p. 247-250 : ill

Intelligent transformer : possibilities and challengesBeldjajev, Viktor; Roasto, Indrek; Lehtla, TõnuScientific journal of Riga Technical University. Serija 4, Power and electrical engineering2011 / p. 95-100 : ill

Intelligentne trafo – nutikate elektrivõrkude tulevikBeldjajev, ViktorStudioosus2011 / lk. 32

Interlaboratory comparison of voltage transformerBaraškova, TatjanaProceedings of the 3rd International Conference Industrial Engineering - New Challenges to SME : 25-27 April 2002, Tallinn, Estonia2002 / p. 11-14

Juhitav pöördväljatrafoKiive, R.; Reiner, ArdiXXIX vabariiklik üliõpilaste teaduslik- tehniline konverents 30. märtsist - 1. aprillini 1977 : ettekannete teesid1977 / lk. 62 https://www.ester.ee/record=b2449987*est

Juhitava pöördväljatrafoga ventilaatori ajamKralla, T.; Reiner, ArdiXXIX vabariiklik üliõpilaste teaduslik- tehniline konverents 30. märtsist - 1. aprillini 1977 : ettekannete teesid1977 / lk. 62 https://www.ester.ee/record=b2449987*est

JõutrafodTreufeldt, Ülo; Oidram, Rein2009 https://www.ester.ee/record=b2466724*est

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Jõutrafod : täiendavad Euroopa nõuded. Osa 1-1, Üldosa. Üldnõuded = Power transformers : additional European requirements. Part 1-1, Common part. General requirements2022 https://www.ester.ee/record=b5506204*est

Jõutrafod : täiendavad Euroopa nõuded. Osa 2-3, Keskmised jõutrafod. Tarvikud = Power transformers : additional European requirements. Part 2-3, Medium power transformer. Accessories2023 https://www.ester.ee/record=b5644319*est

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Jõutrafod. Osa 1, Üldist = Power transformers. Part 1, General (IEC 60076-1:2011)2012 https://www.ester.ee/record=b2896170*est

Jõutrafod. Osa 7, Mineraalõlitäitega jõutrafode koormusjuhend [Võrguteavik] = Power transformers. Part 7, Loading guide for mineral-oil-immersed power transformers (IEC 60076-7:2018, identical)2019 https://www.ester.ee/record=b5225852*est

Keskmised jõutrafod sagedusele 50 Hz seadme suurima lubatava kestevpingega mitte üle 36 kV. Osa 1, Üldnõuded [Võrguteavik] = Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV. Part 1, General requirements2017 http://www.ester.ee/record=b4767645*est

Laboratoorsete tööde juhendid õppeaines raadiosüsteemide elektriseadmed1985 https://www.ester.ee/record=b1250272*est

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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Mõõtetrafod. Osa 1, Voolutrafod = Instrument transformers. Part 1, Current transformers (IEC 60044-1:1996, modified)2010 https://www.ester.ee/record=b2646205*est

Mõõtetrafod. Osa 3, Lisanõuded induktiivpingetrafodele = Instrument transformers. Part 3, Additional requirements for inductive voltage transformers (IEC 61869-3:2011)2012 https://www.ester.ee/record=b2896163*est

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A new six-level transformer-less grid-connected solar photovoltaic inverter with less leakage currentVosoughi Kurdkandi, Naser; Marangalu, Milad Ghavipanjeh; Mohammadsalehian, Shamim; Tarzamni, Hadi; Siwakoti, Yam P.; Islam, Md. Rabiul; Muttaqi, Kashem M.IEEE Access2022 / p. 63736 - 63753: ill https://doi.org/10.1109/ACCESS.2022.3182240 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

A new transformer-less single switch boost DC-DC converter with lower stressMashinchi Maheri, Hamed; Mohammadzadeh Shahir, Farzad; Babaei, Ebrahim2020 IEEE 61st International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), November 5-7, 20202020 / 6 p http://www.conference.rtu.lv/qazcdeTGBmjU/RTUCON2020_paper_101Gq73sO95Kb30.pdf https://doi.org/10.1109/RTUCON51174.2020.9316470

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Raadiosüsteemide elektrotehnilised seadmed. 1. vihik : elektromagneetilised seadmed : alusmaterjal loengukonspekti koostamiseks = Электротехнические устройства радиосистем. 1 тетрадь. Электромагнитные устройства. Исходный материал для составления конспектов лекций1988 https://www.ester.ee/record=b1240347*est

Resonant converter as a transformer for varying the ratio between input and output currentsJanson, Kuno; Järvik, JaanProceedings of the Estonian Academy of Sciences. Engineering1998 / 4, p. 264-285

Robust design optimization and emerging technologies for electrical machines: challenges and open problemsOrosz, Tamas; Rassõlkin, Anton; Kallaste, Ants; Arsenio, Pedro; Panek, David; Kaska, Jan; Karban, PavelApplied sciences2020 / art. 6653, 33 p. : ill https://doi.org/10.3390/app10196653 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

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Single-phase power electronics transformer with active functions for smart gridMinambres-Marcos, Victor; Roasto, Indrek; Romero-Cadaval, Enrique; Strzelecki, Ryszard; Barrero-Gonzalez, Fermin2015 9th International Conference on Compatibility and Power Electronics (CPE) : proceedings : Faculty of Science and Technology (FCT), Caparica, Lisbon, Portugal, 24-26 June, 20152015 / p. 528-533 : ill http://dx.doi.org/10.1109/CPE.2015.7231131

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Zarebnia, M.; Parvaz, R. Image encryption algorithm by fractional based chaotic system and framelet transformHenno, JaakzbMATH Open2022 / 1 p. https://zbmath.org/07577308

The application of partial discharge monitoring system for instrument transformers: special issuesKhalyasmaa, Alexandra I.; Stepanova, Alina; Eroshenko, Stanislav A.; Bolgov, Viktor; Chung, Tran Chung2020 21-st International Symposium on Electrical Apparatus and Technologies (SIELA), 3-6 June 2020, Bourgas, Bulgaria : proceedings2020 / 4 p https://doi.org/10.1109/SIELA49118.2020.9167108

The DC transformer power electronic building block : powering next-generation converter designFlores-Bahamonde, Freddy; Renaudineau, Hugues; Chub, AndriiIEEE industrial electronics magazine2023 / p. 21-35 https://doi.org/10.1109/MIE.2022.3147168

The methodology of high-voltage instrument transformers technical state index assessmentKhalyasmaa, Alexandra I.; Vinter, Iakov; Eroshenko, Stanislav A.; Bolgov, Viktor2020 21-st International Symposium on Electrical Apparatus and Technologies (SIELA), 3-6 June 2020, Bourgas, Bulgaria : proceedings2020 / 4 p https://doi.org/10.1109/SIELA49118.2020.9167110

Trafo muutub väiksemaks ja nutikamaks : [koostööst TTÜ ja Poola Mereakadeemia teadlaste vahel]Imeline Teadus2014 / lk. 101

Transformerless boost AC/DC converter with the front-end active filterHusev, Oleksandr7th International Conference-workshop Compatibility and Power Electronics : CPE 2011 : Tallinn, Estonia, June 3, 2011 : student forum2011 / p. 77-81 : ill

Wide output voltage range isolated buck-boost PFC converter with reconfigurable rectifierVerbytskyi, Ievgen; Nadeem, Mohammad Mahad; Blinov, Andrei; Chub, Andrii; Vinnikov, Dmitri2023 IEEE 17th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG)2023 / 7 p https://doi.org/10.1109/CPE-POWERENG58103.2023.10227389

Зависимость пробивного напряжения фреона 113 от температурыMetusala, TiitЭнергетические системы : сборник статей. 31969 / с. 71-77 : илл https://www.ester.ee/record=b2183089*est https://digikogu.taltech.ee/et/Item/5c34d1a9-5ba8-40b8-81f9-efa3dc9c672a/

Исследование изоляции трансформаторов с испарительным охлаждениемMetusala, Tiit; Meresmaa, R.; Spirka, V.Электротехническая промышленность. Электротехнические материалы : реферативный научно-технический сборник1972 / с. 5-6 https://www.ester.ee/record=b2896291*est

Коррозия конструкционных материалов трансформатора испарительным охлаждениемKallast, Vambola; Pajuste, O.Тезисы Межвузовской конференции по коррозии и защите металлов1971 / с. 41 https://www.ester.ee/record=b1409081*est

Лабораторные работы по электрическим устройствам радиосистем1985 https://www.ester.ee/record=b1255615*est

Начальное напряжение частичных разрядов в фреоне 113Grossman, Otto; Metusala, Tiit; Tapupere, OlevЭнергетические системы : сборник статей. 31969 / с. 79-84 : илл https://www.ester.ee/record=b2183089*est https://digikogu.taltech.ee/et/Item/5c34d1a9-5ba8-40b8-81f9-efa3dc9c672a/

О реализации идеальных трансформаторов в виде +- R-цепейMännama, VelloТезисы докладов республиканской научно-технической конференции, посвященной 80-летию со дня изобретения радио А. С. Поповым1975 / с. 62 https://www.ester.ee/record=b1322122*est

О точности измерения параметров жгутового трансформатораJõers, ReinТруды по электротехнике и автоматике. 141976 / с. 55-61 https://www.ester.ee/record=b2190768*est https://digikogu.taltech.ee/et/Item/aa35e320-87b1-405b-9cac-3b90c51867d1

Об определении оптимальных законов регулирования напряжения центра питания и реактивной мощности в распределительной сетиSeier, GustavПроблемы оптимизации в электроэнергетике : тезисы II республиканской конференции ЭССР : [Таллин 26-27 ноября 1974 года]1974 / с. 78-79 https://www.ester.ee/record=b1346480*est

Общий анализ передач точного трансформатора со жгутовой обмоткойJõers, Rein; Ross, HeinoТруды по электротехнике и автоматике : сборник статей. 131975 / с. 99-118 : илл https://www.ester.ee/record=b2190710*est https://digikogu.taltech.ee/et/Item/ffbd63ed-06d6-4bbb-9468-118f743cc87f

Определение оптимальных ответвлений распределительных трансформаторовSirkel, Rein; Tiigimägi, EeliПроблемы оптимизации в электроэнергетике : тезисы II республиканской конференции ЭССР : [Таллин 26-27 ноября 1974 года]1974 / с. 76-78 https://www.ester.ee/record=b1346480*est

Расчет трансформатора с неоднородной паутовой обмоткойJõers, ReinТезисы докладов республиканской научно-технической конференции, посвященной 80-летию со дня изобретения радио А. С. Поповым1975 / с. 78 https://www.ester.ee/record=b1322122*est

Расчет трансформатора со жгутовой обмоткой IJõers, Rein; Ross, HeinoТруды по электротехнике и автоматике : сборник статей. 121974 / с. 33-39 : илл https://www.ester.ee/record=b2190668*est https://digikogu.taltech.ee/et/Item/57b94a1f-6879-4443-b6f2-322fd7e53d89

Расчет трансформатора со жгутовой обмоткой IIJõers, Rein; Ross, HeinoТруды по электротехнике и автоматике : сборник статей. 121974 / с. 41-50 : илл https://www.ester.ee/record=b2190668*est https://digikogu.taltech.ee/et/Item/57b94a1f-6879-4443-b6f2-322fd7e53d89

Технико-экономические возможности применения ММКМ в трансформаторах и коллекторных микродвигателяхLaansoo, Andres; Ritso, Aadu; Siimar, Rein; Liimann, VäinoVIII всесоюзная научно-техническая конференция "Новые технологические процессы и оборудование для производства электрических машин малой мощности" (г. Тбилиси, 1-3 октября 1987 г.) : Тезисы докладов1987 / с. 31-32

Трансформатор РПН с тиристорным переключением ответвленийVinnal, Toomas; Tõnuri, I.; Järvik, JaanНовая техника в электроснабжении промышленных предприятий : материалы конференции1983 / с. 44-48

Трехфазный импульсный регулятор напряжения с межфазным трансформаторомNurste, Ivar; Sarv, Vello; Sui, R.Тезисы докладов XXXI студенческой научно-технической конференции1980 / с. 58-59 https://www.ester.ee/record=b1319482*est

Электрические машины. Введение в электромеханику. Машины постоянного тока и трансформаторы : [учебник для студентов вузов, обучающихся по направлению подготовки «Электротехника, электромеханика и электротехнологии» и «Электроэнергетика»]Voldek, Aleksander; Popov, Viktor2007 https://www.ester.ee/record=b2192799*est