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Norsk

Trond Leiv Toftevaag

Trond Leiv Toftevaag

Docent emeritus
Department of electric energy

trond.toftevaag@ntnu.no
+4773597299 +4795243267 F-428, Gløshaugen, O. S. Bragstads plass 2, Elektro E
Publications Media

Publications

  • Chronological
  • By category
  • See all publications in 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). volum PP (99).
    Academic article

2016

  • Nordang, Sindre; Toftevaag, Trond. (2016) Investigation of Characteristics Regarding Lithium-ion Battery Cells for an Electric Race Car Application. The 6th Hybrid and Electric Vehicle Conference - HEVC 2016.
    Academic chapter/article/Conference paper

2014

  • Arnemo, Cecilie Sundsbø; Bärthlein, Eva-Maria; Hartung, Marianne; Toftevaag, Trond. (2014) Integration of Future Solar Photovoltaic Generation in Garmisch-Partenkirchen. 4th International Workshop on Integration of Solar into Power Systems.
    Academic chapter/article/Conference paper
  • Toftevaag, Trond; Endegnanew, Atsede Gualu; Seljeseth, Helge; Paulsen, Rune. (2014) Resonansproblem i fordelingsnett knyttet til kondensatorer for fasekompensering - målinger, simuleringer, analyser. NEF Teknisk møte 2014 Strømmen skal fram.
    Chapter

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 2013 Electricity Distribution Systems for a Sustainable Future.
    Academic chapter/article/Conference paper
  • 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 2013 Electricity Distribution Systems for a Sustainable Future.
    Academic chapter/article/Conference paper
  • Toftevaag, Trond; Seljeseth, Helge; Paulsen, Rune. (2013) Harmonic voltages and lighting equipment flicker caused by pumping station - measurements, analysis and mitigation. CIRED 2013 Electricity Distribution Systems for a Sustainable Future.
    Academic chapter/article/Conference paper

2012

  • Bhandari, Vivek; Dahal, R; Toftevaag, Trond; Lindquist, L; Marvik, Jorun Irene; Adhikary, Brijesh; Maskey, RK; Shrestha, N. (2012) Analysis of parallel operation of SEIGs with voltage based controller in mini-grid. 2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET).
    Academic chapter/article/Conference paper
  • Hillberg, Emil; Toftevaag, Trond. (2012) Equal-area criterion applied on power transfer corridors. Proceedings of the IASTED Asian Conference on Power and Energy Systems, AsiaPES 2012.
    Academic chapter/article/Conference paper
  • Preda, Traian Nicolae; Uhlen, Kjetil; Nordgård, Dag Eirik; Toftevaag, Trond. (2012) External Grid Representation for Assessing Fault Ride Through Capabilities of Distributed Generation Units. 2012 3rd IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe).
    Academic chapter/article/Conference paper
  • Toftevaag, Trond; Marvik, Jorun Irene; Preda, Traian Nicolae. (2012) Impact of voltage phase angle changes on low-voltage ride-through performance of DG-units. CIRED 2012 Workshop: Integration of Renewables into the Distribution Grid, Lisbon, Portugal, 29-30 May 2012.
    Academic chapter/article/Conference paper

2011

  • Johansson, Emil; Uhlen, Kjetil; Kjølle, Gerd; Toftevaag, Trond. (2011) RELIABILITY EVALUATION OF WIDE AREA MONITORING APPLICATIONS AND EXTREME CONTINGENCIES. Proceeding - 17th Power Systems Computations Conference PSCC 2011.
    Academic chapter/article/Conference paper

2010

  • 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. volum 80 (2).
    Academic article
  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2010) Application of linear analysis in railway power system stability studies. Power Supply, Energy Management and Catenary Problems.
    Academic chapter/article/Conference paper
  • He, Wei; Jacobsen, Gunnar; Anderson, Tiit; Olsen, Freydar; Hanson, Tor; Korpås, Magnus; Toftevaag, Trond; Eek, Jarle; Uhlen, Kjetil; Johansson, Emil. (2010) The Potential of Integrating Wind Power with Offshore Oil and Gas Platforms. Wind Engineering : The International Journal of Wind Power. volum 34 (2).
    Academic article

2009

  • 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. Proceedings of the 13th European Conference on Power Electronics and Applications, EPE2009.
    Academic chapter/article/Conference paper
  • 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. 9th International Conference, Modern Electric Traction MET'2009, Conference Proceedings.
    Academic chapter/article/Conference paper

2008

  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2008) Application of linear analysis in traction power system stability studies. Computers in Railways XI: Computer System Design and Operation in the Railway and Other Transit Systems.
    Academic chapter/article/Conference paper

2003

  • Pálsson, Magni Tor; Toftevaag, Trond; Uhlen, Kjetil; Tande, John Olav Giæver. (2003) Control concepts to enable increased wind power penetration. 2003 IEEE Power Engineering Society General Meeting.
    Academic chapter/article/Conference paper

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. 2002 IEEE Power Engineering Society Summer Meeting.
    Academic chapter/article/Conference paper

Journal publications

  • 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). volum PP (99).
    Academic article
  • 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. volum 80 (2).
    Academic article
  • He, Wei; Jacobsen, Gunnar; Anderson, Tiit; Olsen, Freydar; Hanson, Tor; Korpås, Magnus; Toftevaag, Trond; Eek, Jarle; Uhlen, Kjetil; Johansson, Emil. (2010) The Potential of Integrating Wind Power with Offshore Oil and Gas Platforms. Wind Engineering : The International Journal of Wind Power. volum 34 (2).
    Academic article

Part of book/report

  • Nordang, Sindre; Toftevaag, Trond. (2016) Investigation of Characteristics Regarding Lithium-ion Battery Cells for an Electric Race Car Application. The 6th Hybrid and Electric Vehicle Conference - HEVC 2016.
    Academic chapter/article/Conference paper
  • Arnemo, Cecilie Sundsbø; Bärthlein, Eva-Maria; Hartung, Marianne; Toftevaag, Trond. (2014) Integration of Future Solar Photovoltaic Generation in Garmisch-Partenkirchen. 4th International Workshop on Integration of Solar into Power Systems.
    Academic chapter/article/Conference paper
  • Toftevaag, Trond; Endegnanew, Atsede Gualu; Seljeseth, Helge; Paulsen, Rune. (2014) Resonansproblem i fordelingsnett knyttet til kondensatorer for fasekompensering - målinger, simuleringer, analyser. NEF Teknisk møte 2014 Strømmen skal fram.
    Chapter
  • Preda, Traian Nicolae; Uhlen, Kjetil; Nordgård, Dag Eirik; Toftevaag, Trond. (2013) Dynamic equivalents of active distribution power systems for investigation of transient stability. CIRED 2013 Electricity Distribution Systems for a Sustainable Future.
    Academic chapter/article/Conference paper
  • 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 2013 Electricity Distribution Systems for a Sustainable Future.
    Academic chapter/article/Conference paper
  • Toftevaag, Trond; Seljeseth, Helge; Paulsen, Rune. (2013) Harmonic voltages and lighting equipment flicker caused by pumping station - measurements, analysis and mitigation. CIRED 2013 Electricity Distribution Systems for a Sustainable Future.
    Academic chapter/article/Conference paper
  • Bhandari, Vivek; Dahal, R; Toftevaag, Trond; Lindquist, L; Marvik, Jorun Irene; Adhikary, Brijesh; Maskey, RK; Shrestha, N. (2012) Analysis of parallel operation of SEIGs with voltage based controller in mini-grid. 2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET).
    Academic chapter/article/Conference paper
  • Hillberg, Emil; Toftevaag, Trond. (2012) Equal-area criterion applied on power transfer corridors. Proceedings of the IASTED Asian Conference on Power and Energy Systems, AsiaPES 2012.
    Academic chapter/article/Conference paper
  • Preda, Traian Nicolae; Uhlen, Kjetil; Nordgård, Dag Eirik; Toftevaag, Trond. (2012) External Grid Representation for Assessing Fault Ride Through Capabilities of Distributed Generation Units. 2012 3rd IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe).
    Academic chapter/article/Conference paper
  • Toftevaag, Trond; Marvik, Jorun Irene; Preda, Traian Nicolae. (2012) Impact of voltage phase angle changes on low-voltage ride-through performance of DG-units. CIRED 2012 Workshop: Integration of Renewables into the Distribution Grid, Lisbon, Portugal, 29-30 May 2012.
    Academic chapter/article/Conference paper
  • Johansson, Emil; Uhlen, Kjetil; Kjølle, Gerd; Toftevaag, Trond. (2011) RELIABILITY EVALUATION OF WIDE AREA MONITORING APPLICATIONS AND EXTREME CONTINGENCIES. Proceeding - 17th Power Systems Computations Conference PSCC 2011.
    Academic chapter/article/Conference paper
  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2010) Application of linear analysis in railway power system stability studies. Power Supply, Energy Management and Catenary Problems.
    Academic chapter/article/Conference paper
  • 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. Proceedings of the 13th European Conference on Power Electronics and Applications, EPE2009.
    Academic chapter/article/Conference paper
  • 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. 9th International Conference, Modern Electric Traction MET'2009, Conference Proceedings.
    Academic chapter/article/Conference paper
  • Danielsen, Steinar; Fosso, Olav B; Toftevaag, Trond. (2008) Application of linear analysis in traction power system stability studies. Computers in Railways XI: Computer System Design and Operation in the Railway and Other Transit Systems.
    Academic chapter/article/Conference paper
  • Pálsson, Magni Tor; Toftevaag, Trond; Uhlen, Kjetil; Tande, John Olav Giæver. (2003) Control concepts to enable increased wind power penetration. 2003 IEEE Power Engineering Society General Meeting.
    Academic chapter/article/Conference paper
  • Pálsson, Magni Tor; Toftevaag, Trond; Uhlen, Kjetil; Tande, John Olav Giæver. (2002) Large-scale wind power integration and voltage stability limits in regional networks. 2002 IEEE Power Engineering Society Summer Meeting.
    Academic chapter/article/Conference paper

Media

2016

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

2015

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

2014

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

2011

  • Lecture
    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. NEF Teknisk Møte . Norske Elektroteknisk Forening; Trondheim. 2011-03-24 - 2011-03-25.

2008

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

2007

  • Academic lecture
    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. Conference “Drives And Supply Systems For Modern Electric Traction" MET2007 . Warsaw University of Technology; Warsaw. 2007-09-27 - 2009-09-29.
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