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transformaatorid (subject term)
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26
book article
Improvement of voltage transformers overvoltage problems in MV networks
Janson, Kuno
;
Järvik, Jaan
;
Kütt, Lauri
;
Soosalu, Ain
6th International Conference "2008 Power Quality and Supply Reliability" : August 27-29, 2008 : Pärnu, Estonia : conference proceedings
2008
/
p. 247-250 : ill
book article
27
journal article
Intelligent transformer : possibilities and challenges
Beldjajev, Viktor
;
Roasto, Indrek
;
Lehtla, Tõnu
Scientific journal of Riga Technical University. Serija 4, Power and electrical engineering
2011
/
p. 95-100 : ill
journal article
28
newspaper article
Intelligentne trafo – nutikate elektrivõrkude tulevik
Beldjajev, Viktor
Studioosus
2011
/
lk. 32
newspaper article
29
book article
Interlaboratory comparison of voltage transformer
Baraškova, Tatjana
Proceedings of the 3rd International Conference Industrial Engineering - New Challenges to SME : 25-27 April 2002, Tallinn, Estonia
2002
/
p. 11-14
book article
30
book article
Juhitav pöördväljatrafo
Kiive, R.
;
Reiner, Ardi
XXIX vabariiklik üliõpilaste teaduslik- tehniline konverents 30. märtsist - 1. aprillini 1977 : ettekannete teesid
1977
/
lk. 62
https://www.ester.ee/record=b2449987*est
book article
31
book article
Juhitava pöördväljatrafoga ventilaatori ajam
Kralla, T.
;
Reiner, Ardi
XXIX vabariiklik üliõpilaste teaduslik- tehniline konverents 30. märtsist - 1. aprillini 1977 : ettekannete teesid
1977
/
lk. 62
https://www.ester.ee/record=b2449987*est
book article
32
book
Jõutrafod
Treufeldt, Ülo
;
Oidram, Rein
2009
https://www.ester.ee/record=b2466724*est
book
33
book
Jõutrafod
2009
https://www.ester.ee/record=b2466722*est
book
34
book
Jõutrafod
Treufeldt, Ülo
;
Metusala, Tiit
;
Oidram, Rein
;
Teemets, Raivo
;
Riit, Tarmo
2009
https://www.ester.ee/record=b2536960*est
book
35
book
Jõutrafod : täiendavad Euroopa nõuded. Osa 1-1, Üldosa. Üldnõuded = Power transformers : additional European requirements. Part 1-1, Common part. General requirements
2022
https://www.ester.ee/record=b5506204*est
book
36
book
Jõutrafod : täiendavad Euroopa nõuded. Osa 2-3, Keskmised jõutrafod. Tarvikud = Power transformers : additional European requirements. Part 2-3, Medium power transformer. Accessories
2023
https://www.ester.ee/record=b5644319*est
book
37
book
Jõutrafod [Võrguteavik] : täiendavad Euroopa nõuded. Osa 1-2, Energiatõhususe hindamine = Power transformers : additional European requirements. Part 1-2, Assessment of energy performance
2022
https://www.ester.ee/record=b5482820*est
book
38
book
Jõutrafod [Võrguteavik] : täiendavad Euroopa nõuded. Osa 2-1, Keskmised jõutrafod. Üldnõuded = Power transformers : additional European requirements. Part 2-1, Medium power transformer. General requirements
2022
https://www.ester.ee/record=b5485454*est
book
39
book
Jõutrafod [Võrguteavik] : täiendavad Euroopa nõuded. Osa 3-1, Suured jõutrafod. Üldnõuded = Power transformers : additional European requirements. Part 3-1, Large power transformer. General requirements
2022
https://www.ester.ee/record=b5487548*est
book
40
book
Jõutrafod [Võrguteavik] : täiendavad Euroopa nõuded. Osa 2-5, Keskmised jõutrafod. Ühefaasilised = Power transformers : additional European requirements. Part 2-5, Medium power transformer. Single phase
2021
https://www.ester.ee/record=b5464502*est
book
41
book
Jõutrafod. Osa 1, Üldist = Power transformers. Part 1, General (IEC 60076-1:2011)
2012
https://www.ester.ee/record=b2896170*est
book
42
book
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
book
43
book
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 requirements
2017
http://www.ester.ee/record=b4767645*est
book
44
book
Laboratoorsete tööde juhendid õppeaines raadiosüsteemide elektriseadmed
1985
https://www.ester.ee/record=b1250272*est
book
45
book article
Load adapting resonant converter as a transformer with smoothly variable ratio
Janson, Kuno
;
Järvik, Jaan
;
Vinnal, Toomas
43. Internationales Wissenschaftliches Kolloquium, 21.-24.09.1998. Band 4, Elektroenergiesysteme und elektrische Geräte, Diagnostik, Hochspannungstechnik und elektrische Isoliertechnik, Energiewandlung : Vortragsreihen
1998
/
S. 657-662: Ill
book article
46
book
Mõõtetrafod : kolmefaasilised induktiivpingetrafod pingega Um kuni 52 kV = Instrument transformers : three-phase inductive voltage transformers having Um up to 52 kV
2010
https://www.ester.ee/record=b2623174*est
book
47
book
Mõõtetrafod. Osa 1, Voolutrafod = Instrument transformers. Part 1, Current transformers (IEC 60044-1:1996, modified)
2010
https://www.ester.ee/record=b2646205*est
book
48
book
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
book
49
book
Mõõtetrafod. Osa 4, Lisanõuded ühitatud trafodele [Võrguteavik] = Instrument transformers. Part 4, Additional requirements for combined transformers (IEC 61869-4:2013)
2015
http://www.ester.ee/record=b4502348*est
book
50
journal article EST
/
journal article ENG
A new six-level transformer-less grid-connected solar photovoltaic inverter with less leakage current
Vosoughi Kurdkandi, Naser
;
Marangalu, Milad Ghavipanjeh
;
Mohammadsalehian, Shamim
;
Tarzamni, Hadi
;
Siwakoti, Yam P.
;
Islam, Md. Rabiul
;
Muttaqi, Kashem M.
IEEE Access
2022
/
p. 63736 - 63753: ill
https://doi.org/10.1109/ACCESS.2022.3182240
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journal article EST
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journal article ENG
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