J.Yu & C.J.Goodman, "Computer Simulation of Stray Currents in DC Supplied Rail Transit Systems and Their Corrosive Effects", Proceedings of IMechE International Conference on Transit 2020, London, October 1990.
J.Yu & C.J.Goodman, "Stray Current Design Parameters for DC Railways", Proceedings of the ASME/IEEE Joint Railroad Conference, pp.19-28, Atlanta, USA, March 1992.
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J.Yu & C.J.Goodman, "Computer Analysis of Touch and Step Voltages for DC Railways", Proceedings of CompRail'92, Washington DC, USA, August 1992.
J.Yu, R.W.Sturland L.R.Denning, "A General Motor Modelling Method for Transit System Simulation Studies", Proceedings of CompRail'94, Madrid, Spain, Sept. 1994. Click Herer to Read This Paper (PDF Format).
J.Yu, "Computer Aided Design of Power Supplies for Rail Transit Systems", Proceedings of 1st International Conference on Computer Applications to Transportation Systems, Basel, Switzerland, June 1996.
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J.Yu, "D.C. Power System Studies for Jubilee Line", IEE Colloquium Digest No. 97/140 - Systems Engineering on Large Railway Projects, London, UK. May 1997. Click Herer to Read This Paper (PDF Format).
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J.Yu, "The Effects of Earthing Strategies on Rail Potential and Stray Currents in D.C. Transit Systems". Proceedings Of IEE International Conference on Developments in Mass Transit Systems (DMTS'98), London, April 1998.
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J.Yu, A.Khan, K.Loring, "Computer Simulation of Transit Power Systems ". Proceedings of IEE International Conference on Simulation'98, York, UK. Sept. 1998. Click Herer to Read This Paper (PDF Format).
J.Yu, "A Simulator for Power Supply Systems of DC Transit Railways", Proceedings of University Power Engineering Conference (UPEC'99), Leicester, UK, Sept.1999. Click Herer to Read This Paper (PDF Format).
J.Yu, "Ensuring EMC between Power Supply and Signalling Assets on DC Transit Systems", 4th Annual European Conference for Railway Electrification Power Supply Professionals, March 2000, London.
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