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  1. Ansatte

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Subhadra Tiwari

Last ned pressefoto
Last ned pressefoto
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Subhadra Tiwari

Førsteamanuensis
Institutt for elektrisk energi
Fakultet for informasjonsteknologi og elektroteknikk

subhadra.tiwari@ntnu.no
+4745796028 Elektro E/F, E-453, Gløshaugen, O.S. Bragstadsplass 2E 7491, Trondheim
ResearchGate Scopus Google Scholar
Om Publikasjoner Formidling

Om

Kompetanseord

  • Electromagnetic Compatibility in VFD Drives
  • Kraftelektronikk
  • Marine and Aerospace Electric Drives
  • Solid-State Circuit Breakers
  • Wide Bandgap Power Semiconductor Devices

Publikasjoner

  • Kronologisk
  • Etter kategori
  • Alle publikasjoner i Nasjonalt vitenarkiv (NVA)

2019

  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2019) SiC MOSFETs an Diodes: Characterization, Applications and Low-Inductive Converter Design Considerations. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doktorgradsavhandling
  • Tiwari, Subhadra; Basu, Supratim; Undeland, Tore Marvin; Midtgård, Ole-Morten. (2019) Efficiency and Conducted EMI evaluation of a single-phase power factor correction boost converter using state-of-the-art SiC MOSFET and SiC diode. IEEE transactions on industry applications
    Vitenskapelig artikkel
  • Tiwari, Subhadra; Langelid, John K.; Undeland, Tore Marvin; Midtgård, Ole-Morten. (2019) Merits of SiC MOSFETs for high-frequency soft-switched converters,measurement verifications by both electrial and calorimetric methods. EPE Journal: European Power Electronics and Drives
    Vitenskapelig artikkel

2018

  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2018) An insight into geometry and orientation of capacitors for high-speed power circuits.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Undeland, Tore Marvin; Midtgård, Ole-Morten; Nilsen, Roy. (2018) SiC MOSFETs for Offshore Wind Applications. Journal of Physics: Conference Series (JPCS)
    Vitenskapelig artikkel
  • Tiwari, Subhadra; Abuishmais, Ibrahim Abed; Langelid, John Kåre; Lund, Richard; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2018) Characterization of body diodes in the-state-of-the-art SiC FETs-Are they good enough as freewheeling diodes?.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2017

  • Tiwari, Subhadra; Langelid, John Kåre; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2017) Soft switching loss measurements of a 1.2 kV SiC MOSFET module by both electrical and calorimetric methods for high frequency applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Langelid, John Kåre; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2017) Hard and soft switching losses of a SiC MOSFET module under realistic topology and loading conditions.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin; Lund, Richard. (2017) Parasitic capacitances and inductances hindering utilization of the fast switching potential of SiC power modules. Simulation model verified by experiment.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2016

  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2016) Design of low inductive busbar for fast switching SiC modules verified by 3D FEM calculations and laboratory measurements.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Rabiei, Ali; Shrestha, Praveen; Midtgård, Ole-Morten; Undeland, Tore Marvin; Lund, Richard. (2016) Design Considerations and Laboratory Testing of Power Circuits for Parallel Operation of Silicon Carbide MOSFETs.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Torsæter, Bendik Nybakk; Midtgård, Ole-Morten; Lund, Richard; Tiwari, Subhadra. (2016) Evaluation of Switching Characteristics, Switching Losses and Snubber Design for a Full SiC Half-Bridge Power Module. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Torsæter, Bendik Nybakk; Tiwari, Subhadra; Lund, Richard; Midtgård, Ole-Morten. (2016) Experimental Evaluation of Switching Characteristics, Switching Losses and Snubber Design for a Full SiC Half-Bridge Power Module.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin; Lund, Richard. (2016) Experimental performance comparison of six-pack SiC MOSFET and Si IGBT modules paralleled in a half-bridge configuration for high temperature applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2016) SiC MOSFETs for future motor drive applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2016) Experimental performance evaluation of two commercially available, 1.2 kV half-bridge SiC MOSFET modules.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2016) Comparative evaluation of a commercially available 1.2 kV SiC MOSFET module and a 1.2 kV Si IGBT module.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2012

  • Tiwari, Subhadra; Undeland, Tore Marvin; Basu, Supratim; Robbins, William P.. (2012) Silicon Carbide Power Transistors,Characterization for Smart Grid Applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2011

  • Tiwari, Subhadra; Abuishmais, Ibrahim; Undeland, Tore Marvin; Bøysen, Kjetil. (2011) Silicon Carbide Power Transistors for Photovoltaic Applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Tidsskriftspublikasjoner

  • Tiwari, Subhadra; Basu, Supratim; Undeland, Tore Marvin; Midtgård, Ole-Morten. (2019) Efficiency and Conducted EMI evaluation of a single-phase power factor correction boost converter using state-of-the-art SiC MOSFET and SiC diode. IEEE transactions on industry applications
    Vitenskapelig artikkel
  • Tiwari, Subhadra; Langelid, John K.; Undeland, Tore Marvin; Midtgård, Ole-Morten. (2019) Merits of SiC MOSFETs for high-frequency soft-switched converters,measurement verifications by both electrial and calorimetric methods. EPE Journal: European Power Electronics and Drives
    Vitenskapelig artikkel
  • Tiwari, Subhadra; Undeland, Tore Marvin; Midtgård, Ole-Morten; Nilsen, Roy. (2018) SiC MOSFETs for Offshore Wind Applications. Journal of Physics: Conference Series (JPCS)
    Vitenskapelig artikkel

Del av bok/rapport

  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2018) An insight into geometry and orientation of capacitors for high-speed power circuits.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Abuishmais, Ibrahim Abed; Langelid, John Kåre; Lund, Richard; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2018) Characterization of body diodes in the-state-of-the-art SiC FETs-Are they good enough as freewheeling diodes?.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Langelid, John Kåre; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2017) Soft switching loss measurements of a 1.2 kV SiC MOSFET module by both electrical and calorimetric methods for high frequency applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Langelid, John Kåre; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2017) Hard and soft switching losses of a SiC MOSFET module under realistic topology and loading conditions.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin; Lund, Richard. (2017) Parasitic capacitances and inductances hindering utilization of the fast switching potential of SiC power modules. Simulation model verified by experiment.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2016) Design of low inductive busbar for fast switching SiC modules verified by 3D FEM calculations and laboratory measurements.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Rabiei, Ali; Shrestha, Praveen; Midtgård, Ole-Morten; Undeland, Tore Marvin; Lund, Richard. (2016) Design Considerations and Laboratory Testing of Power Circuits for Parallel Operation of Silicon Carbide MOSFETs.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Torsæter, Bendik Nybakk; Tiwari, Subhadra; Lund, Richard; Midtgård, Ole-Morten. (2016) Experimental Evaluation of Switching Characteristics, Switching Losses and Snubber Design for a Full SiC Half-Bridge Power Module.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin; Lund, Richard. (2016) Experimental performance comparison of six-pack SiC MOSFET and Si IGBT modules paralleled in a half-bridge configuration for high temperature applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2016) SiC MOSFETs for future motor drive applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2016) Experimental performance evaluation of two commercially available, 1.2 kV half-bridge SiC MOSFET modules.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2016) Comparative evaluation of a commercially available 1.2 kV SiC MOSFET module and a 1.2 kV Si IGBT module.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Undeland, Tore Marvin; Basu, Supratim; Robbins, William P.. (2012) Silicon Carbide Power Transistors,Characterization for Smart Grid Applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tiwari, Subhadra; Abuishmais, Ibrahim; Undeland, Tore Marvin; Bøysen, Kjetil. (2011) Silicon Carbide Power Transistors for Photovoltaic Applications.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Rapport

  • Tiwari, Subhadra; Midtgård, Ole-Morten; Undeland, Tore Marvin. (2019) SiC MOSFETs an Diodes: Characterization, Applications and Low-Inductive Converter Design Considerations. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doktorgradsavhandling
  • Torsæter, Bendik Nybakk; Midtgård, Ole-Morten; Lund, Richard; Tiwari, Subhadra. (2016) Evaluation of Switching Characteristics, Switching Losses and Snubber Design for a Full SiC Half-Bridge Power Module. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave

Formidling

2016

  • Faglig foredrag
    Undeland, Tore Marvin; Tiwari, Subhadra; Spro, Ole Christian; Midtgård, Ole-Morten. (2016) Nye halvledere av silisiumkarbid, SiC. Generalforsamling Trondhjems Polytekniske Forening , NTNU, campus Kalvskinnet 2016-03-16 - 2016-03-16
  • Faglig foredrag
    Tiwari, Subhadra. (2016) Application of SiC devices in Power Electronics. Seminar on Emerging Power Semiconductor Devices , Eltek, Drammen 2016-11-29 - 2016-11-29
  • Faglig foredrag
    Tiwari, Subhadra; Spro, Ole Christian. (2016) Overview of Wide Bandgap Devices for Power Electronics. Seminar on Emerging Power Semiconductor Devices , Eltek, Drammen 2016-11-29 - 2016-11-29

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