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On the Practical Evaluation of the Switching Loss in the Secondary Side Rectifiers of LLC Converters
dc.contributor.author | Escudero, Manuel | |
dc.contributor.author | Rodríguez Santiago, Noel | |
dc.contributor.author | Morales Santos, Diego Pedro | |
dc.date.accessioned | 2021-10-25T07:27:08Z | |
dc.date.available | 2021-10-25T07:27:08Z | |
dc.date.issued | 2021-09-17 | |
dc.identifier.citation | Escudero, M... [et al.]. On the Practical Evaluation of the Switching Loss in the Secondary Side Rectifiers of LLC Converters. Energies 2021, 14, 5915. [https://doi.org/10.3390/en14185915] | es_ES |
dc.identifier.uri | http://hdl.handle.net/10481/71066 | |
dc.description | N.R. and D.P.M. thank Regional Government project P20_00265 and National Government Project PID2020-117344RBI00. | es_ES |
dc.description.abstract | The switching loss of the secondary side rectifiers in LLC resonant converters can have a noticeable impact on the overall efficiency of the complete power supply and constrain the upper limit of the optimum switching frequencies of the converter. Two are the main contributions to the switching loss in the secondary side rectifiers: on the one hand, the reverse recovery loss (Qrr), most noticeably while operating above the series resonant frequency; and on the other hand, the output capacitance (Coss) hysteresis loss, not previously reported elsewhere, but present in all the operating modes of the converter (under and above the series resonant frequency). In this paper, a new technique is proposed for the measurement of the switching losses in the rectifiers of the LLC and other isolated converters. Moreover, two new circuits are introduced for the isolation and measurement of the Coss hysteresis loss, which can be applied to both high-voltage and low-voltage semiconductor devices. Finally, the analysis is experimentally demonstrated, characterizing the switching loss of the rectifiers in a 3 kW LLC converter (410 V input to 50 V output). Furthermore, the Coss hysteresis loss of several high-voltage and low-voltage devices is experimentally verified in the newly proposed measurement circuits. | es_ES |
dc.description.sponsorship | Regional Government project P20_00265 | es_ES |
dc.description.sponsorship | National Government Project PID2020-117344RBI00 | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | MDPI | es_ES |
dc.rights | Atribución 3.0 España | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | * |
dc.subject | C-oss hysteresis | es_ES |
dc.subject | Isolated converters | es_ES |
dc.subject | LLC | es_ES |
dc.subject | Switching loss | es_ES |
dc.subject | Soft switching | es_ES |
dc.title | On the Practical Evaluation of the Switching Loss in the Secondary Side Rectifiers of LLC Converters | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es_ES |
dc.identifier.doi | 10.3390/en14185915 | |
dc.type.hasVersion | info:eu-repo/semantics/publishedVersion | es_ES |