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Fixed topology Thévenin equivalent fully detailed model for nonlinear capacitances

Fixed topology Thévenin equivalent fully detailed model for nonlinear capacitances

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A datasheet-based fully detailed model for nonlinear capacitances is proposed to significantly reduce the simulation time on the turn-on and turn-off transitions of power electronic circuits. In this model, a nonlinear capacitance is Thévenin equivalent to a voltage source in series with a constant resistance, and the nonlinear part is represented in the voltage source. So, unchangeable admittance matrix is achieved regarding the nonlinear part of capacitances as excitations. Appreciable calculation speedup is gained while good accuracy is maintained.

References

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    2. 2)
      • 2. Zhang, F., Yang, X., Wang, K., Xu, G., Huang, L., Chen, W.: ‘A discrete time-domain model for fast simulation of MMC circuits’. 2016 IEEE Eight Int. Power Electronics and Motion Control Conf. (IPEMC-ECCE Asia), Hefei City, China, May 2016, pp. 23662370.
    3. 3)
      • 3. EPC 2015 Data Sheet. EPC Inc. EPC 2015 Data Sheet [Online]. Available at http://www.epc-co.com/.
    4. 4)
      • 4. ODE45. MathWorks Inc.: ODE45 [Online]. Available at http://wwwmathworks.com/.
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