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This paper proposes a control strategy composed of a maximum power point tracking algorithm (MPPT) and a limited power point tracking algorithm (LPPT) for boost converters of grid connected photovoltaic systems. First of all, a traditional MPPT technique is implemented and after that, the LPPT technique proposed in this work is developed without adding new sensors. The developed LPPT can be used both in photovoltaic systems that have only one boost converter in the dc stage as well as in systems with multiple converters sharing the same dc bus on the inverter side. In addition, the proposed strategy can contribute to the control of the photovoltaic inverter when the system needs to limit the active power