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Conductance model of light discharges

Department of Electrical Engineering, Faculty of Mechatronics Technical University of Liberec - Czech Republic. Conductance model of light discharges. for electric circuits modeling. Jan Koprnicky, Ales Richter. G - model of discharge lamps in electric circuits.

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Conductance model of light discharges

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  1. Department of Electrical Engineering, Faculty of Mechatronics Technical University of Liberec - Czech Republic Conductance model of light discharges for electric circuits modeling Jan Koprnicky, Ales Richter

  2. G - model of discharge lamps in electric circuits Discharge lamps in electric circuits scheme of the problem

  3. scheme of the problem Discharge lamps in electric circuits G-model of discharge lamps in electric circuits Parameters Measurement Data adjustment Identification

  4. Measurement of the lamp u(t) and i(t) • using of EMU2 measurement device of KEL TUL • using of commercial devices – digital oscilloscopes • frequency analyzers u(t) t i(t) t

  5. Data adjustment - for identification process • G(t) counting • u(t), i(t), G(t) filtering • waves shifting • waves inverting shifting u(t) t inverting i(t) t in MATLAB environment

  6. Identification • G(t) differential equation using • identification algorithm based on • fminsearch() • minimum of abs(g(meas)-g(count)) in MATLAB environment

  7. Example MB HID lamp • measured circuit and its model • parameters are in vector [a2 a1 b3 b2 b1 b0] in Lamp u(i) box NET in MATLAB environment

  8. Waveforms of u(t) and i(t) measured simulated in MATLAB environment

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