FAST-CONVERGING MPPT TECHNIQUE FOR PHOTOVOLTAIC SYSTEM
- Under fast-varying solar irradiation and load
resistance, a fast-converging maximum power point tracking (MPPT) system is
required to ensure the photovoltaic (PV) system response rapidly with minimum
power losses.
- Traditionally, maximum power point (MPP) locus was used to
provide such a fast response. However, the algorithm requires extra control
loop or intermittent disconnection of the PV module. Hence, this article presents a simpler fast-converging MPPT technique, which excludes the extra control loop and intermittent disconnection.
- In the MPPT algorithm, the relationship
between the load line and the I–V curve is used with trigonometry
rule to obtain the fast response.
- This algorithm is four times faster than the conventional incremental
conductance algorithm during the load and solar Irradiation variation.
- Consequently, this algorithm has higher efficiency.
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