Guiding the Selection and Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities (2010) / Chapter Skim
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Guiding the Selection & Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities Transit Cooperative Research Program Transportation Research Board Page 54 of 61 Appendix C – Simulation Software The RAILSIM Load Flow Analyzer is time-based simulation software that integrates the train movement simulation with electrical network simulation. C.1 Train movement simulation The train movement simulation calculates the interaction between trains and the track alignment.
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Guiding the Selection & Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities Transit Cooperative Research Program Transportation Research Board Page 55 of 61 Simulated Train Power -5,000 -4,000 -3,000 -2,000 -1,000 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12.0 12.5 Location (miles)
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Guiding the Selection & Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities Transit Cooperative Research Program Transportation Research Board Page 56 of 61 Simulated Train Power -5,000 -4,000 -3,000 -2,000 -1,000 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12.0 12.5 Location (miles)
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Guiding the Selection & Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities Transit Cooperative Research Program Transportation Research Board Page 57 of 61 Simulated Train Power -5,000 -4,000 -3,000 -2,000 -1,000 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12.0 12.5 Location (miles)
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Guiding the Selection & Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities Transit Cooperative Research Program Transportation Research Board Page 58 of 61 C.3 Organization of Simulation Results The simulation results are stored in binary data files. A dedicated report generator was developed to present the results in both graphical form and numerical form.
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Guiding the Selection & Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities Transit Cooperative Research Program Transportation Research Board Page 59 of 61 C.4 Post-Processing of Simulation Results Very often the numerical results are exported by the Report Generator to CSV type files, which are used in Excel to generate tables and plots for analysis and reporting. The following table shows a processed load table in Excel.
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Guiding the Selection & Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities Transit Cooperative Research Program Transportation Research Board Page 60 of 61 Simulated ESD Load Cycle -4,000 -3,500 -3,000 -2,500 -2,000 -1,500 -1,000 -500 0 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 7:35 AM 7:36 AM 7:37 AM 7:38 AM 7:39 AM 7:40 AM 7:41 AM 7:42 AM 7:43 AM 7:44 AM 7:45 AM Time Po w er (k W )
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From page 63... ...
Guiding the Selection & Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities Transit Cooperative Research Program Transportation Research Board Page 61 of 61 C.5 Software Validation The software algorithm was validated by comparing simulation results against hand calculation results for a number of scenarios [4]
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