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Real time test benchmark design for photovoltaic grid-connected control systems |
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| Authors: | F Ruz A ReyJM Torrelo A NietoFJ Cánovas |
| Affiliation: | a Electrical Engineering Department, Universidad Politécnica de Cartagena, c/Dr. Fleming, s/n 30202, Cartagena, Murcia, Spain b Electronics, Computer Technology and Project Engineering Department, Universidad Politécnica de Cartagena, c/Dr. Fleming, s/n 30202, Cartagena, Murcia, Spain c Instituto de Tecnológico de la Energía, Av. Juan de la Cierva, 24. 46980, Paterna, Valencia, Spain |
| Abstract: | This paper presents a dual digital signal processor (DSP) hardware architecture for a grid-connected photovoltaic interface test benchmark, based on a cascade DC/DC converter and DC/AC inverter, with coordinated control algorithms. The control hardware has been designed to test distributed generation (DG) interfaces to be integrated in a hierarchical structure of computational agents, to apply distributed control techniques to the power system management. The proposed dual DSP architecture enables the programming of the control software for the DC/DC converter and the DC/AC inverter in the same processor, to keep the other one for additional operations that are required when there is a high degree of interaction between the DG unit and the rest of the electrical grid components. The hardware architecture has been tested in several real situations such as power factor correction and anti-islanding protection. |
| Keywords: | Photovoltaic energy Distributed generation Real time control Test benchmark |
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