Numerical simulation of power circuits using transmission-line modelling

Numerical simulation of power circuits using transmission-line modelling

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The paper presents a new technique for the simulation of power circuits. This technique allows a direct model in the discrete time domain to be derived from the simulated system. Electrical components including switching devices are modelled in a discrete manner, using the transmission-line modelling (TLM) method. The TLM algorithm provides an exact solution to the discrete model. Errors come from the modelling process only, and not from the time-stepping routine. The advantages of TLM include (i) the elimination of the requirement for repeated inversion of the system matrices due to changes in the circuit topology, (ii) its ability to handle any number of magnetically coupling terms, even with very close or perfect coupling, (iii) its stability, even for stiff networks, and (iv) an algorithm which is simple, efficient and easily programmed on desk-top computers.


    1. 1)
      • , Computer-aided analysis of electronic circuits: algorithms and computational techniques
    2. 2)
      • The art of modelling
    3. 3)
      • Use of the transmission-line modelling method to solve non-linear lumped networks
    4. 4)
      • Reactive nonlinearities in transmission-linemodels
    5. 5)
      • A discrete approach to the modelling of power electronic switching networks
    6. 6)
      • Application of transmission-line modelling technique to power electronic circuits
    7. 7)
      • Numerical solution of 2-dimensional scattering problemsusing a transmission-line matrix
    8. 8)
      • Transmission-line modelling of non-linear reactive components and mutual inductances
    9. 9)
      • Computer-aided design of PWM power-electronic variable-speed drives
    10. 10)
      • Computer-aided design of PWM inverter systems
    11. 11)
      • , Computer-aided analysis of power electronic systems
    12. 12)
      • Computer-aided design of power electronic circuits

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