Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Teodora Plamenova Todorova"'
Autor:
Teodora Plamenova Todorova
Publikováno v:
2021 IEEE Applied Power Electronics Conference and Exposition (APEC).
For widening the knowledge about an accurate straightforward high-frequency magnetics’ losses prediction, measurements of actual core loss are of paramount importance. In many cases, obtaining the loss of a core of specific shape under target opera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41d99cb8da9b47caece63ae415f9a984
https://doi.org/10.1109/apec42165.2021.9487351
https://doi.org/10.1109/apec42165.2021.9487351
Publikováno v:
2021 44th International Spring Seminar on Electronics Technology (ISSE).
This paper presents an evaluation of two alternative flyback–based converter configurations for charging a Li–Ion battery stack with an energy taken from a single 330 W photo–voltaic panel. It is taken into account the conventional constant fre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c39cf9415d845caab0519644eabbcf1
https://doi.org/10.1109/isse51996.2021.9467511
https://doi.org/10.1109/isse51996.2021.9467511
Autor:
Teodora Plamenova Todorova
Publikováno v:
2020 28th National Conference with International Participation (TELECOM).
This paper presents an investigation of a high frequency power amplifier circuit intended to be used for measurements of power loss in soft magnetic materials. It introduces a description of the envisaged measurement system. Afterwards, simulation in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c122fabc8b5a70c5e3db7482ae3cd6a
https://doi.org/10.1109/telecom50385.2020.9299553
https://doi.org/10.1109/telecom50385.2020.9299553
Publikováno v:
2020 21st International Symposium on Electrical Apparatus & Technologies (SIELA).
this paper examines the operation of a current source inverter used as а DC-DC converter with voltage clamping across resonant capacitor (CSVCRC). The converter is intended for charging energy storage elements, such as supercapacitors. The examinati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::948f282dedf4eaab22a35a53449d6e00
https://doi.org/10.1109/siela49118.2020.9167062
https://doi.org/10.1109/siela49118.2020.9167062
Publikováno v:
IEEE Transactions on Power Electronics. 33:10723-10735
The nature of losses in ferrites has not been fully revealed yet. To achieve means for further investigation of ferrite core loss due to electric (E) field, we investigated the response of middle and side legs, cut from commercially available PQ core
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fc0c97e9ab46fda8c9843875d2a475a
https://doi.org/10.1109/tpel.2018.2802787
https://doi.org/10.1109/tpel.2018.2802787
Publikováno v:
Journal of Electrical Engineering. 69:219-225
Besides their magnetic properties, Mn-Zn ferrites are also characterized by appreciable electrical properties. This electro- magnetic nature of Mn-Zn ferrites material properties causes a dimensional resonance to occur in samples. The latter hinders
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::625fa9a65be51fdf3ae61cb527c2be33
https://doi.org/10.2478/jee-2018-0029
https://doi.org/10.2478/jee-2018-0029
Publikováno v:
2019 IEEE XXVIII International Scientific Conference Electronics (ET).
The paper presents an examination of the operation of a single switch isolated resonant DC-DC converter. The converter is intended for charging low voltage energy storage elements, such as supercapacitors. The investigation of the converter is perfor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff2c93e7f0380f98f37de139f0e38de6
https://doi.org/10.1109/et.2019.8878602
https://doi.org/10.1109/et.2019.8878602
Publikováno v:
2018 IEEE XXVII International Scientific Conference Electronics - ET.
The paper regards active charge balancing of Li Ion battery cells based on flyback converter topology. The topology is chosen aiming the final product cost and manufacturability. A prototype of single branch of the envisioned system is built. Verific
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0926ef21716cf1747e370e9913715af0
https://doi.org/10.1109/et.2018.8549663
https://doi.org/10.1109/et.2018.8549663
Publikováno v:
2017 XXVI International Scientific Conference Electronics (ET).
Different magnetic materials for cores of DC chokes are considered and compared in this paper. Four components are designed using both manufacturer software and an improved Fast design approach. The compared materials are: ferrites (3F3), powder mate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e00fa798d0a84bd3a644c143a88d6d3c
https://doi.org/10.1109/et.2017.8124401
https://doi.org/10.1109/et.2017.8124401
Publikováno v:
2016 XXV International Scientific Conference Electronics (ET).
The paper presents comparative study of winding arrangements for power electronic transformers. The designs are based on an improved design algorithm consisting of 15 steps. Four different winding arrangements are considered for a transformer design,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5d5b53b297bec1e096de90be004a02c
https://doi.org/10.1109/et.2016.7753521
https://doi.org/10.1109/et.2016.7753521