One-Dimensional Optimization for Proportional–Resonant Controller Design Against the Change in Source Impedance and Solar Irradiation in PV Systems
作者： Woei-Luen Chen , Jhe-Shuan Lin
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摘要: The variation in source impedance and solar irradiation effects on photovoltaic (PV) system control performance is investigated. A proportional-resonant (PR) controller a stationary frame place of proportional-integral synchronous was adopted to modulate single-phase grid-tied inverter for PV systems. Although the PR controllers have gained some momentum lately due advantages such as instantaneous tracking capability low-cost computational resources, may decline changes where conventional design rule void. To adapt over diverse operating conditions without incurring excessive error, one-dimensional optimization (ODO) algorithm that dictates quality proposed search an appropriate factor χ between real part dominant nondominant eigenvalues gains can be then altered light optimal through simple algebraic conversion. experimental results confirm strategy.
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