ABSTRACT: Traditionally, for the photovoltaic module work around its maximum output power is used a Maximum Power Point Tracking (MPPT). The MPPT is extremely important in photovoltaic systems its correct performance allows the best use of electrical power. Therefor the MPPT is an essential part of a photovoltaic system. In the most case the MPPT algorithm modify the duty cycle for switching converter, searching the point when its delivery more power. This paper proposed a new method for MPPT called D based a traditional method Perturbation and Observation (P&O). The technique purpose increasing the time of searching in transitional, reducing the error on permanent regime. Furthermore this will increasing the system efficiency without used new Input parameters. The performance of proposed technique was assessed with simulations and good results were obtained.
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