• Journal Papers
  1. C. Park, S. Pamidi, and L. Graber, “Evaluating the Dielectric Strength of Helium-Nitrogen Gas Mixtures by Plasma Parameter Measurements”, AIP Physics of Plasmas, 2018 (Published)
  2. C. Park, S. Pamidi, and L. Graber, “The Critical Electric Field of Gas Mixtures Over the Extended Range of Cryogenic
    Operating Conditions”, AIP Journal of Applied Physics, 2017 (Published)
  3. C. Park, L. Graber, P. Cheetham, J. Viquez, C. Kim, and S. Pamidi, “A Versatile Modeling Procedure for the Improved Dielectric Strength Estimations of Gas Mixtures”, IEEE Transactions on Dielectrics and Electrical Insulation, 2017 (Published)
  4. C. Park, S. Pamidi, and L. Graber, “The Dielectric Properties of Gaseous Cryogen Mixtures of He, H2, Ne, and N2 in a Temperature Range of 50-80 K at Pressures up to 2.0 MPa”, AIP Journal of Applied Physics, 2017 (Published)
  5. C. Park, S. Pamidi, and L. Graber, “Boltzmann Analysis of Cryogenic He-H2 Gas Mixtures as Dielectric Media for High-Temperature Superconducting Power Devices”, IEEE Transactions on Applied Superconductivity, 2017 (Published)


  • Conference Papers
  1. G. C. Lim, T. Damle, L. Graber, “Optimized Contact Geometries for High Speed Disconnect Switches,” CEIDP, 2017 (Published)
  2. Peter Cheetham, Chanyeop Park, Lukas Graber, Chul H. Kim, and Sastry Pamidi, “Enhanced Dielectric Breakdown Strength of Cryogenic Gas Mixtures to be Used in Superconducting Power Devices”, EUCAS, 2017 (Published)
  3. C. Xu, R. Saluja, T. Damle, and L. Graber, “Future cryogenic switchgear technologies for superconducting power systems,” CEC-ICMC, 2017 (Published)
  4. P. Cheetham, C. Park, C. Kim, L. Graber, and S. Pamidi, “Experimental Studies on the Cryogenic Dielectric Properties of Gas Mixtures for Superconducting Power Applications”, CEC-ICMC, 2017 (Published)
  5. C. Park, S. Pamidi, and L. Graber, “Application of the Langmuir Probe Plasma Diagnostics into the Investigation of the Dielectric Properties of Cryogenic Gas Mixtures”, CEC-ICMC, 2017 (Published)
  6. Lukas Graber, Maryam Saeedifard, Mickael J. Mauger, Qichen Yang, Chanyeop Park, Tobias Niebur, Sastry V. Pamidi, Stefan Steinhoff, “Cryogenic Power Electronics at Megawatt-Scale Using a New Type of Press-Pack IGBT”, CEC-ICMC, 2017 (Published)
  7. C. Park, L. Graber, W. Kim, P. Cheetham, C. Kim, S. Pamidi, and H. Rodrigo, “A versatile model for estimating breakdown voltage and its application for cryogenic gas mixtures”, IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2016 (Published)