E in E amp; EElectro-Technology In Energy amp; Environment课件.ppt

Dynamic Error Driven Proportional plus Integral (PI) Controller Dynamic tri-loop error driven Proportional plus Integral control system (Developed by Dr. Sharaf) 精品文档 The loop weighting factors (γv, γi and γp) and gains (Kp, Ki) are assigned to minimize the time-weighted excursion index J0 (Developed by Dr. Sharaf) where is the total excursion error N= T0/Tsample T0: Largest mechanical time constant (10s) Tsample: Sampling time (0.2ms) 精品文档 Hybrid Photovoltaic/Wind Energy Utilization Scheme Stand-alone hybrid photovoltaic/wind energy utilization scheme 精品文档 Dynamic Error Driven Proportional plus Integral (PI) Controller Dynamic tri-loop error driven Proportional plus Integral control system (Developed by Dr. Sharaf) 精品文档 The loop weighting factors (γv, γi and γp) and gains (Kp, Ki) are assigned to minimize the time-weighted excursion index J0 (Developed by Dr. Sharaf) where is the total excursion error N= T0/Tsample T0: Largest mechanical time constant (10s) Tsample: Sampling time (0.2ms) 精品文档 Preliminary Results Photovoltaic powered Four-Quadrant PWM converter PMDC motor drive system model using the MATLAB/Simulink/SimPowerSystems software 精品文档 Test Variations of ambient temperature and solar irradiation Variation of ambient temperature (Tx) Variation of solar irradiation (Sx) 精品文档 For trapezoidal reference speed trajectory Ig vs. time Pg vs. time Vg vs. time Vg vs. Ig 精品文档 For trapezoidal reference speed trajectory(Continue) Pg vs. Ig Vg ωref ωm vs. time Iam vs. time ωm vs. Te 精品文档 For sinusoidal reference speed trajectory Ig vs. time Pg vs. time Vg vs. time Vg vs. Ig 精品文档 For sinusoidal reference speed trajectory(Continue) Pg vs. Ig Vg