Electrical and thermal computation of stress grading system in inverter-driven medium voltage motors

[2]  A. Roberts,et al.  Stress grading for high voltage motor and generator coils , 1995 .

[3]  E. Sharifi,et al.  Temperature and electric field dependence of stress grading on form-wound motor coils , 2010, IEEE Transactions on Dielectrics and Electrical Insulation.

[4]  J.C.G. Wheeler,et al.  Thermal performance of stress grading systems for converter-fed motors , 2007, IEEE Electrical Insulation Magazine.

[5]  E Sharifi,et al.  Analysis of thermal stresses in medium-voltage motor coils under repetitive fast pulse and high-frequency voltages , 2010, IEEE Transactions on Dielectrics and Electrical Insulation.

[6]  S. Jayaram,et al.  Effectiveness of stress grading coatings on form wound stator coil groundwall insulation under fast rise time pulse voltages , 2005, IEEE Transactions on Energy Conversion.

[7]  F.P. Espino-Cortes,et al.  Impact of inverter drives employing fast-switching devices on form-wound AC machine stator coil stress grading , 2007, IEEE Electrical Insulation Magazine.

[8]  J.C.G. Wheeler,et al.  Effects of converter pulses on the electrical insulation in low and medium voltage motors , 2005, IEEE Electrical Insulation Magazine.

[9]  A. Kumada,et al.  The potential distribution measurement on the stress grading system of high-voltage rotating machines by using pockels effect , 2012, 2012 Annual Report Conference on Electrical Insulation and Dielectric Phenomena.

[10]  P. Gomez,et al.  Modeling of heat generated on stress grading coatings of motors fed by multilevel drives , 2011, IEEE Transactions on Dielectrics and Electrical Insulation.

[11]  Youguang Guo,et al.  Performance and cost comparison of NPC, FC and SCHB multilevel converter topologies for high-voltage applications , 2011, 2011 International Conference on Electrical Machines and Systems.

[12]  R. Omranipour,et al.  IEC qualification test applied to capacitively graded 13.8 kV bar samples energized with repetitive fast pulses , 2011, 2011 Electrical Insulation Conference (EIC)..

[13]  Frank Jenau,et al.  Comparison of transient time-domain and harmonic quasi-static solution of electrical and thermal coupled numerical stress grading calculations for large rotating machines , 2012, 2012 IEEE International Symposium on Electrical Insulation.

[15]  W. Tao,et al.  Study on General Governing Equations of Computational Heat Transfer and Fluid Flow , 2012 .

[17]  L Donzel,et al.  Nonlinear resistive electric field grading Part 2: Materials and applications , 2011, IEEE Electrical Insulation Magazine.

[18]  W. Chen,et al.  Stator insulation system evaluation and improvement for medium voltage adjustable speed drive applications , 2008, 2008 55th IEEE Petroleum and Chemical Industry Technical Conference.

[19]  J. Luukko,et al.  Modulation technique for series-connected h-bridge multilevel converters with equal load sharing , 2009 .

[20]  Baoming Ge,et al.  Medium-Voltage Multilevel Converters—State of the Art, Challenges, and Requirements in Industrial Applications , 2010, IEEE Transactions on Industrial Electronics.

[21]  Martin Hettegger,et al.  Identifying the heat transfer coefficients on the end-windings of an electrical machine by measurements and simulations , 2010, The XIX International Conference on Electrical Machines - ICEM 2010.

[22]  J.C.G. Wheeler,et al.  Novel stress grading systems for converter-fed motors , 2007, IEEE Electrical Insulation Magazine.

[23]  J.C.G. Wheeler,et al.  Finite element modelling of nonlinear stress grading materials for machine end windings , 2002 .

[24]  F. Jenau,et al.  Particle swarm based simplex optimization implemented in a nonlinear, multiple-coupled finite-element-model for stress grading in generator end windings , 2012, 2012 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM).