Photovoltaic inverters used as active filters for improvement of IV distribution networks

Beltrán, Héctor; Chen, Z.; Belenguer, E.; Aparicio, N.; Segui-Chilet, S.; Gimeno-Sales, F.J.

doi:10.1109/drpt.2008.4523878

Cited by 3 publications

(1 citation statement)

References 12 publications

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“…In this paper, some manipulations have been made on the solar cell model equations in order to get a measure of this parameter so that it can be used in the MPPT process. At the open-circuit condition, the current is zero [18];…”

Section: A Estimating the Junction Current D Imentioning

confidence: 99%

An optimum method for maximum power point tracking in photovoltaic systems

Chikh

Chandra

2011

2011 IEEE Power and Energy Society General Meeting

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In this paper, we present a maximum power point technique for photovoltaic (PV) systems based on the array optimal conductance. We have shown that this conductance depends on the cell junction current which is difficult to estimate due its high non-linearity, therefore, an analytical expression is derived to simplify its use. The results show that the proposed technique gives good results with a minimum output power error and responds perfectly to abrupt change in solar radiation.Index Terms-Maximum power point tracking (mppt), optimal conductance, junction current.

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Section: A Estimating the Junction Current D Imentioning

confidence: 99%

An optimum method for maximum power point tracking in photovoltaic systems

Chikh

Chandra

2011

2011 IEEE Power and Energy Society General Meeting

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Three-phase single stage photovoltaic inverter with active filtering capabilities

Miñambres‐Marcos

Romero‐Cadaval

Guerrero-Martínez

et al. 2012

IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society

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This paper presents a study about the power in jection of grid connected photovoltaic plants when there are non-linear loads connected to the point of common coupling. The smartgrid scenario suggests that the photovoltaic energy should take care not only about the active power, but also about the reactive power. The study compares the last years criteria of injecting the maximum active power, with the expected tendency of providing reactive power in an active filter way for avoiding currents harmonics in the grid. The topology used is a traditional three-phase inverter controlled by a power balance technique through a synchronous hysteresis band. First of all, a power injection system that do not care about the loads connected into the grid is developed, then the loads are taken into account to improve the grid operation by supplying them. Both configurations are implemented in a prototype to compare the results via experimental tests.

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