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The output power of photovoltaic (PV) power generation system is the nonlinear function of insolation, temperature and load, and thus the perturbation step of perturbation and observation (P&O) method should be regulated according to PV module working condition to improve the MPPT effect. P&O with fuzzy control, which can implement variable perturb step control, has good control effect, however...
A novel two-mode maximum power point tracking (MPPT) method, which combine with short-circuit current (SC) method and perturbation and observation (P&O) method, is presented to reduce the power pulsation around MPP and increase the usage effect of photovoltaic (PV) module. Two methods are used in different PV working points: short-circuit current method and Perturbation and Observation method...
The output power of photovoltaic (PV) module is the function of module temperature and solar insolation, so it is necessary to track maximum power point (MPP) all the time. Among of presented MPPT methods, perturbation and observation (P&O) method has drawn more attractions due to its simple and high efficiency. However the PV module works around MPP, the output power of PV module will oscillate...
A novel MPPT method, which adjusts the perturbation step according to the work point of photovoltaic (PV) module, is proposed to reduce the power oscillation around MPP. There is the nonlinear relation between the output power of photovoltaic module with temperature and load. The perturbation step is constant in traditional perturbation and observation (P&O) MPPT method. There is serious power...
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