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Trond Leiv Toftevaag

Trond Leiv Toftevaag

Dosent emeritus
Institutt for elektrisk energi

trond.toftevaag@ntnu.no
73597299 95243267 F-428, Gløshaugen, O. S. Bragstads plass 2, Elektro E
Publikasjoner Undervisning Formidling

Publikasjoner

  • Kronologisk
  • Etter kategori
  • Se alle publikasjoner i Cristin

2022

  • Maurer, Frédéric Michael; Toftevaag, Trond Leiv; Nøland, Jonas Kristiansen. (2022) An Analytical Prediction Model of Balanced and Unbalanced Faults in Doubly-Fed Induction Machines. IEEE transactions on industrial electronics (1982. Print)
    Vitenskapelig artikkel

2016

  • Nordang, Sindre; Toftevaag, Trond. (2016) Investigation of Characteristics Regarding Lithium-ion Battery Cells for an Electric Race Car Application.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2014

  • Toftevaag, Trond; Endegnanew, Atsede Gualu; Seljeseth, Helge; Paulsen, Rune. (2014) Resonansproblem i fordelingsnett knyttet til kondensatorer for fasekompensering - målinger, simuleringer, analyser.
    Faglig kapittel
  • Arnemo, Cecilie Sundsbø; Bärthlein, Eva-Maria; Hartung, Marianne; Toftevaag, Trond. (2014) Integration of Future Solar Photovoltaic Generation in Garmisch-Partenkirchen. Energynautics GmbH
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2013

  • Preda, Traian Nicolae; Uhlen, Kjetil; Nordgård, Dag Eirik; Toftevaag, Trond. (2013) Dynamic equivalents of active distribution power systems for investigation of transient stability. CIRED - Congrès International des Réseaux Electriques de Distribution
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Toftevaag, Trond; Seljeseth, Helge; Paulsen, Rune. (2013) Harmonic voltages and lighting equipment flicker caused by pumping station - measurements, analysis and mitigation. CIRED - Congrès International des Réseaux Electriques de Distribution
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Toftevaag, Trond; Preda, Traian Nicolae; Uhlen, Kjetil. (2013) Impact of voltage phase angle changes on low-voltage ride-through performance of small scale hydro DG units. CIRED - Congrès International des Réseaux Electriques de Distribution
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2012

  • Toftevaag, Trond; Marvik, Jorun Irene; Preda, Traian Nicolae. (2012) Impact of voltage phase angle changes on low-voltage ride-through performance of DG-units. Institution of Electrical Engineers (IEE)
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Preda, Traian Nicolae; Uhlen, Kjetil; Nordgård, Dag Eirik; Toftevaag, Trond. (2012) External Grid Representation for Assessing Fault Ride Through Capabilities of Distributed Generation Units. IEEE conference proceedings
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Hillberg, Emil; Toftevaag, Trond. (2012) Equal-area criterion applied on power transfer corridors. ACTA Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bhandari, Vivek; Dahal, R; Toftevaag, Trond; Lindquist, L; Marvik, Jorun Irene; Adhikary, Brijesh. (2012) Analysis of parallel operation of SEIGs with voltage based controller in mini-grid. IEEE conference proceedings
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2011

  • Johansson, Emil; Uhlen, Kjetil; Kjølle, Gerd; Toftevaag, Trond. (2011) RELIABILITY EVALUATION OF WIDE AREA MONITORING APPLICATIONS AND EXTREME CONTINGENCIES. Curran Associates, Inc.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2010

  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2010) Application of linear analysis in railway power system stability studies. WIT Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • He, Wei; Jacobsen, Gunnar; Anderson, Tiit; Olsen, Freydar; Hanson, Tor; Korpås, Magnus. (2010) The Potential of Integrating Wind Power with Offshore Oil and Gas Platforms. Wind Engineering : The International Journal of Wind Power
    Vitenskapelig artikkel
  • Danielsen, Steinar; Fosso, Olav B; Molinas, Marta; Suul, Jon Are Wold; Toftevaag, Trond. (2010) Simplified models of a single-phase power electronic inverter for railway power system stability analysis—Development and evaluation. Electric power systems research
    Vitenskapelig artikkel

2009

  • Danielsen, Steinar; Molinas Cabrera, Maria Marta ; Toftevaag, Trond; Fosso, Olav B. (2009) Constant power load charecteristic's influence on the low-frequency interaction between advanced electrical rail vehicle and railway traction power supply with rotary converters. Warsaw University of Technology
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2009) Use of participation factors and parameter sensitivities in study and improvement of low-frequency stability between electrical rail vehicle and power supply. European Power Electronics and Drives Association
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2008

  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2008) Application of linear analysis in traction power system stability studies. WIT Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2003

  • Pálsson, Magni Tor; Toftevaag, Trond; Uhlen, Kjetil; Tande, John Olav Giæver. (2003) Control concepts to enable increased wind power penetration. IEEE conference proceedings
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2002

  • Pálsson, Magni Tor; Toftevaag, Trond; Uhlen, Kjetil; Tande, John Olav Giæver. (2002) Large-scale wind power integration and voltage stability limits in regional networks. IEEE conference proceedings
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Tidsskriftspublikasjoner

  • Maurer, Frédéric Michael; Toftevaag, Trond Leiv; Nøland, Jonas Kristiansen. (2022) An Analytical Prediction Model of Balanced and Unbalanced Faults in Doubly-Fed Induction Machines. IEEE transactions on industrial electronics (1982. Print)
    Vitenskapelig artikkel
  • He, Wei; Jacobsen, Gunnar; Anderson, Tiit; Olsen, Freydar; Hanson, Tor; Korpås, Magnus. (2010) The Potential of Integrating Wind Power with Offshore Oil and Gas Platforms. Wind Engineering : The International Journal of Wind Power
    Vitenskapelig artikkel
  • Danielsen, Steinar; Fosso, Olav B; Molinas, Marta; Suul, Jon Are Wold; Toftevaag, Trond. (2010) Simplified models of a single-phase power electronic inverter for railway power system stability analysis—Development and evaluation. Electric power systems research
    Vitenskapelig artikkel

Del av bok/rapport

  • Nordang, Sindre; Toftevaag, Trond. (2016) Investigation of Characteristics Regarding Lithium-ion Battery Cells for an Electric Race Car Application.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Toftevaag, Trond; Endegnanew, Atsede Gualu; Seljeseth, Helge; Paulsen, Rune. (2014) Resonansproblem i fordelingsnett knyttet til kondensatorer for fasekompensering - målinger, simuleringer, analyser.
    Faglig kapittel
  • Arnemo, Cecilie Sundsbø; Bärthlein, Eva-Maria; Hartung, Marianne; Toftevaag, Trond. (2014) Integration of Future Solar Photovoltaic Generation in Garmisch-Partenkirchen. Energynautics GmbH
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Preda, Traian Nicolae; Uhlen, Kjetil; Nordgård, Dag Eirik; Toftevaag, Trond. (2013) Dynamic equivalents of active distribution power systems for investigation of transient stability. CIRED - Congrès International des Réseaux Electriques de Distribution
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Toftevaag, Trond; Seljeseth, Helge; Paulsen, Rune. (2013) Harmonic voltages and lighting equipment flicker caused by pumping station - measurements, analysis and mitigation. CIRED - Congrès International des Réseaux Electriques de Distribution
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Toftevaag, Trond; Preda, Traian Nicolae; Uhlen, Kjetil. (2013) Impact of voltage phase angle changes on low-voltage ride-through performance of small scale hydro DG units. CIRED - Congrès International des Réseaux Electriques de Distribution
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Toftevaag, Trond; Marvik, Jorun Irene; Preda, Traian Nicolae. (2012) Impact of voltage phase angle changes on low-voltage ride-through performance of DG-units. Institution of Electrical Engineers (IEE)
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Preda, Traian Nicolae; Uhlen, Kjetil; Nordgård, Dag Eirik; Toftevaag, Trond. (2012) External Grid Representation for Assessing Fault Ride Through Capabilities of Distributed Generation Units. IEEE conference proceedings
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Hillberg, Emil; Toftevaag, Trond. (2012) Equal-area criterion applied on power transfer corridors. ACTA Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bhandari, Vivek; Dahal, R; Toftevaag, Trond; Lindquist, L; Marvik, Jorun Irene; Adhikary, Brijesh. (2012) Analysis of parallel operation of SEIGs with voltage based controller in mini-grid. IEEE conference proceedings
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Johansson, Emil; Uhlen, Kjetil; Kjølle, Gerd; Toftevaag, Trond. (2011) RELIABILITY EVALUATION OF WIDE AREA MONITORING APPLICATIONS AND EXTREME CONTINGENCIES. Curran Associates, Inc.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2010) Application of linear analysis in railway power system stability studies. WIT Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Danielsen, Steinar; Molinas Cabrera, Maria Marta ; Toftevaag, Trond; Fosso, Olav B. (2009) Constant power load charecteristic's influence on the low-frequency interaction between advanced electrical rail vehicle and railway traction power supply with rotary converters. Warsaw University of Technology
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2009) Use of participation factors and parameter sensitivities in study and improvement of low-frequency stability between electrical rail vehicle and power supply. European Power Electronics and Drives Association
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2008) Application of linear analysis in traction power system stability studies. WIT Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Pálsson, Magni Tor; Toftevaag, Trond; Uhlen, Kjetil; Tande, John Olav Giæver. (2003) Control concepts to enable increased wind power penetration. IEEE conference proceedings
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Pálsson, Magni Tor; Toftevaag, Trond; Uhlen, Kjetil; Tande, John Olav Giæver. (2002) Large-scale wind power integration and voltage stability limits in regional networks. IEEE conference proceedings
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Undervisning

Emner

  • TEP4225 - Energi og miljø

Formidling

2016

  • Poster
    Nordang, Sindre; Toftevaag, Trond. (2016) Investigation of Characteristics Regarding Lithium-ion Battery Cells for an Electric Race Car Application. The Institution of Engineering and Technology The 6th Hybrid and Electric Vehicle Conference - HEVC 2016 , London 2016-11-02 - 2016-11-03
  • Faglig foredrag
    Toftevaag, Trond. (2016) Magnetisering og spenningsregulering. EnergiNorge Kurs , Oslo 2016-11-11 - 2016-11-12

2015

  • Faglig foredrag
    Toftevaag, Trond; Uhlen, Kjetil. (2015) Stabilitet i kraftsystemet Del 1 og Del 2. Statnett/NTNU Kurs , Oslo 2015-11-19 - 2015-11-26
  • Faglig foredrag
    Toftevaag, Trond. (2015) Magnetisering og spenningsregulering. EnergiNorge Kurs , Oslo 2015-11-09 - 2015-11-10

2014

  • Vitenskapelig foredrag
    Toftevaag, Trond. (2014) Magnetisering og spenningsregulering. EnergiNorge Kurs , Oslo 2014-11-12 - 2014-11-12
  • Faglig foredrag
    Toftevaag, Trond; Endegnanew, Atsede Gualu; Seljeseth, Helge; Paulsen, Rune. (2014) Resonansproblem i fordelingsnett knyttet til kondensatorer for fasekompensering – målinger, simuleringer og analyser. Norske Elektroteknisk Forening NEF Teknisk Møte 2014 , Trondheim 2014-03-27 - 2014-03-28

2011

  • Faglig foredrag
    Toftevaag, Trond; Endegnanew, Atsede Gualu; Solvang, Tarjei Benum. (2011) Large scale integration of wind farm equipped with synchronous generators into regional grid – voltage control issues and eigenvalue analysis. Norske Elektroteknisk Forening NEF Teknisk Møte , Trondheim 2011-03-24 - 2011-03-25

2008

  • Vitenskapelig foredrag
    Toftevaag, Trond. (2008) The influence of impedance values and excitation system tuning on synchronous generator stability in distribution grids. SINTEF Energiforskning; Elforsk; DEFU; Helsinki University of Technology; Samorka; BKK; CIRED NORDAC 2008 : the 8th Nordic Electric Distribution and Asset Management Conference , Bergen 2008-09-08 - 2008-09-09

2007

  • Vitenskapelig foredrag
    Danielsen, Steinar; Toftevaag, Trond. (2007) Experiences with respect to low frequency instability from operation of advanced electrical rail vehicles in a traction power system with rotary converters. Warsaw University of Technology Conference “Drives And Supply Systems For Modern Electric Traction" MET2007 , Warsaw 2007-09-27 - 2009-09-29
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