NonLinear Systems, Inc.
109 Hnath Rd.
Ashford, CT 06278
steven.boggs@nonlinear-systems.com
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Services and Publications

Over the past 20 years, NonLinear Systems, Inc. has conducted computational research projects for major corporations such as Toshiba (Japan), TMEIC (Japan), Consolidated Edison of New York (ConEd), 3M, Dow Chemical, etc.  These projects have ranged from transient nonlinear FEA to mathematical analysis.  Most have been in the fields of dielectrics and power engineering, thermal phenomena, mathematical analysis, statistical models of complex materials, etc.  References to a few relevant publications can be found below.

Selected Publications

Boggs, S.A., A. Kumada, and T. Yoshimitsu.  “Rotating Machine End Turn Grading During PWM Transitions”.  IEEE International Symposium on Dielectrics, Montpellier, France, 3-7 July 2016. pp.  919-921.

Boggs, S.A., Nojima, Kenichi, and Takanori Yasuoka “Computation of Particle Motion in Gas-Filled Systems”.  Proceedings of the IEEE International Symposium on Dielectrics, Montpellier, France, 3-7 July 2016, pp. 418-422.

Sun, Ying, Shilei Ma, and S.A. Boggs.  “Initiation of a typical network secondary manhole event”.  IEEE Electrical Insulation Magazine, Vol. 31, No. 3, pp. 26-31, May/June 2015. 

Ma, S. and S.A. Boggs.  “50+ Years of Impedance Measurement and Spectroscopy, and Implementation of Virtual Spectroscopy Based on Finite Element Analysis”.  IEEE Electrical Insulation Magazine, Vol. 30, No. 1, Jan./Feb 2014.   pp. 25-31.

Sun, Y., C. Bealing, S.A. Boggs, and R. Ramprasad.  “50+ Years of Intrinsic Breakdown”.  IEEE Electrical Insulation Magazine, Vol. 29, No. 2, March/April 2013.  pp. 8-15.

Qin, S. and S.A. Boggs.  “Design Considerations for High Voltage DC Components”.  IEEE Electrical Insulation Magazine, Vol. 28, No. 6, Nov/Dec 2012.  pp. 36-44.

Guo, J., T. Campbell, and S.A. Boggs.  “Partial Discharge Magnitude Estimation with Three-Dimensional Finite Element Methods”.  IEEE Trans PD, Vol. 27, No. 2, April 2012.  pp. 491-496.

Guo, J.J. and S.A. Boggs.  “High Frequency Signal Propagation in Solid Dielectric Tape Shielded Power Cables”.  IEEE Trans. PD., Vol. 26, No. 3, July 2011.  pp. 1793-1802.

Shu, W.E. and S.A. Boggs.  “Effect of Cable Restoration Fluid on Inhibiting Water Tree Initiation”.  IEEE Trans PD, Vol. 26, No. 1, January 2011.  pp. 97-100.

Boggs, S.A.  “The Increasing Role of Modeling in HV and Materials Engineering”.  IEEE Electrical Insulation Magazine, Vol.  26, No. 5, Sept/Oct 2010.  pp. 8-22.

Boggs, S.A.  “Very High Field Phenomena in Dielectrics”.  IEEE Trans DEI-12, October 2005, pp. 929-938.

Boggs, S.A., T. Uchii, and S. Nishiwaki.  “Analytical Approach to SF6 Breakdown under Transient Conditions”.  IEEE Trans. PD-18, No. 3, July 2003. pp. 751-757.

Liu, R. and S.A. Boggs.  “Cable Life and the Cost of Risk”.  IEEE Electrical Insulation Magazine, Vol. 25, No. 2, March/April 2009.  pp. 13-19.

Ho, J.S., R. Jow, and S.A. Boggs.  “Implications of Advanced Capacitor Dielectrics for Performance of Metalized Film Windings”.  IEEE Trans DEI, Vol. 15, No. 6, December 2008.  pp. 1754-1760.

An, Ling, S.A. Boggs, and J.P. Calame.  “Energy Storage in Polymer Films with High Dielectric Constant Fillers”.  IEEE Electrical Insulation Magazine, Vo. 24, No. 3, May/June 2008.  pp. 5-10.

Oussalah, N., Y. Zebboudj, and S.A. Boggs.  “PD Pulse Propagation in Shielded Power Cable and Implications for Detection Sensitivity”.  IEEE Electrical Insulation Magazine, Vol. 23, No. 6, Nov/Dec 2007.  pp. 5-10.

Zheng, Z. and S.A. Boggs.  “Defect Tolerance of Solid Dielectric Transmission Class Cable”.  IEEE Electrical Insulation Magazine, Vol. 21, No. 1, Jan/Feb 2005.  pp. 35-41.

Qi, Xiaoguang, Zhong Zheng, and S.A. Boggs.  “Engineering with Nonlinear Dielectrics”.  IEEE Electrical Insulation Magazine, Vol. 20, No. 6, November/December 2004.  pp. 27-34.

Boggs, S.A.  “Mechanisms for Degradation of TR-XLPE Impulse Strength during Service Aging”.  IEEE Trans. PD-17, No. 2, April 2002.  pp. 308-317.

Kuang, J. and S.A. Boggs.  “Pipe-Type Cable Losses for Balanced and Unbalanced Currents”.  IEEE Trans. PD-17, No. 2, April 2002.  pp. 313-317.

Kuang, J. and S.A. Boggs.  “Computation of Thermo-Chemical Phenomena Related to High Temperature HPFF Cable Operation”.  IEEE Trans. PD-16, No. 4, October 2001.  pp. 449-455.

Boggs, S.A., D.H. Damon, J. Hjerrild, J. Holboll, and M. Henriksen.  “Effect of Insulation Properties on the Field Grading of Solid Dielectric DC Cable”.  IEEE Trans PD-16, No. 4, October 2001. pp. 456-461.

Boggs, S.A. and H. Andoh “A Statistical Approach to Prediction of ZnO Arrester Element Characteristics”.  IEEE Trans. PD-16, No. 4, October 2001.  pp. 604-610.

Boggs, S.A. and R.J. Densley.  “Fundamentals of Partial Discharge in the Context of Field Cable Testing”.  IEEE Electrical Insulation Magazine, Vol. 16, No. 5, Sept/Oct 2000. pp. 13-18.

Boggs, S.A. J. Kuang, H. Andoh, and S. Nishiwaki.  “Increased Energy Absorption in ZnO Arrester Elements through Control of Electrode Edge Margin”.  IEEE Trans. PD. Vol. 15, No. 2, April 2000.  pp. 562-568.

Boggs, S.A. and J. Kuang.  “High Field Effects in Solid Dielectrics”.  IEEE Electrical Insulation Magazine, Vol. 14, No. 6, November/December 1998, pp. 5-12.

Boggs, S.A., R.J. Densley, and J. Kuang.  “Mechanism for Conversion of Water Trees to Electrical Trees under Impulse Conditions”.  IEEE Trans. PD-13, No. 2, April 1998. pp.  310-315.

Boggs, S.A. and Y. Wang.  “Trapped Charge-Induced Field Distortion of GIS Spacers”.  IEEE Trans PD-10, July 1995.  pp. 1270-1275.

Boggs, S.A., E.W. Collings, and M.V. Parish.  “AC Losses in High Temperature Superconducting Conductor Elements”.  IEEE Trans. Applied Superconductivity Vol. 2, No. 3, September 1992.  p. 117.

Boggs, S.A., R.G. Bommakanti, and D. Baker.  “Optimum PD Test Method for Large Capacitors”.  IEEE Trans EI-26, No. 3, June 1991, p. 479.

Boggs, S.A., N. Fujimoto, M. Collod, and E. Thuries.  “The Modeling of Statistical Operating Parameters and The Computation of Operation-Induced Surge Waveforms for GIS Disconnectors”.  1984 CIGRE, paper 13-15.

Boggs, S.A. and G.C. Stone.  “Fundamental Limitations to the Measurement of Corona and Partial Discharge”.  IEEE Trans. EI-17, April, 1982. p. 143-150.

Boggs, S.A., F.Y. Chu, N. Fujimoto, A. Krenicky, A. Plessl, and D. Schlicht.  “Disconnect Switch Induced Transients and Trapped Charge in Gas-Insulated Substations”.  IEEE Trans. PAS-101, October, 1982.

Huzayyin, A., S.A. Boggs, and R. Ramprasad.  “An Overview of Impurity States and the Basis for Hole Mobility in Polyethylene.  IEEE Electrical Insulation Magazine, Vol. 28, No. 6, Nov/Dec 2012.  pp. 23-29.

Qin, S. and S.A. Boggs.  “Design Considerations for High Voltage DC Components”.  IEEE Electrical Insulation Magazine, Vol. 28, No. 6, Nov/Dec 2012.  pp. 36-44.

Guo, J., T. Campbell, and S.A. Boggs.  “Partial Discharge Magnitude Estimation with Three-Dimensional Finite Element Methods”.  IEEE Trans PD, Vol. 27, No. 2, April 2012.  pp. 491-496.

Guo, J.J. and S.A. Boggs.  “High Frequency Signal Propagation in Solid Dielectric Tape Shielded Power Cables”.  IEEE Trans. PD., Vol. 26, No. 3, July 2011.  pp. 1793-1802.

Qin, S.C. and S.A. Boggs.  “Design of Longitudinal Multisection Foil-film Capacitors”.  IEEE Trans. DEI Vol. 17, No. 6, pp. 1884-1887, December 2010.

Zhou. K. and S.A. Boggs.  “Derivation of Exact and Approximate Formulas for the Force on a Conducting Particle Standing on a Ground Plane and Comparison with Finite Element Computations”.  IEEE Trans DEI, Vol. 17, No. 5, pp. 1602-1606, Oct. 2010.

Qin, S. and S.A. Boggs.  “Limits to the Performance and Design of High Voltage Metalized Film Capacitors”.  IEEE Trans. DEI, Vol. 17, No. 4, pp. 1298-1306, August 2010.

Zhou, K. and S.A. Boggs.  “Charge on a Conducting Particle Standing on a Ground Plane”.  IEEE Trans. DEI, Vol. 16, No. 4, August 2009.  pp. 1158-1159.

Qin, S. and S.A. Boggs.  “Application of a Quasi-Static EM Solver to Optimization of Low Inductance Film Capacitors”.  Proceedings of the 17th IEEE International Pulsed Power Conference, 28 June - 2 July 2009, Washington D.C.

Zhou, K. and S.A. Boggs.  “Effective Dielectric Constant of a Linear Matrix filled with Linear and Nonlinear Spherical Particles”.  Proceedings of the 17th IEEE International Pulsed Power Conference, 28 June - 2 July 2009, Washington D.C.

Xu, C. and S.A. Boggs.  “High Frequency Loss in Unjacketed Distribution Cable and Its Effect on PD Measurement”.  IEEE Trans. PD, Vol. 24, No. 2, April 2009.  pp. 495-500.

Zheng, Zhong, Steven Boggs, Toshiya Imai, and Susumu Nishiwaki.  “Computation of Arrester Thermal Stability”.  IEEE Trans PD, Vol. 25, No. 3, July 2010.   pp. 1526-1529.

Guo, Jim J., Lily Zhang, Chunchuan Xu, and Steven Boggs.  “High Frequency Attenuation in Transmission Class Solid Dielectric Cable”.  IEEE Trans-PD, Vol. 23, No. 4, Oct. 2008.  pp. 1713-1719.

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