Analysis of the influence of DC optimizers on photovoltaic production




Photovoltaic efficiency, Converters


Energy efficiency is a key element in the Smart Cities (SC), in which integration of renewable sources is a reality. Small-scale integration is usually implemented with photovoltaic (PV) and solar thermal energy. The shadows on the PV modules are a reality as they are originated by unavoidable buildings and obstacles existing in the cities. These shadows will cause the decrease in PV efficiency. Therefore, the increase in PV efficiency is essential. This increase in efficiency can be achieved by associating the DC-DC converters (DC-DC optimizers) with PV modules. This work presents and compares simulations and real results of the influence of DC-DC optimizers in the efficiency of PV modules. In addition, the work includes an economic study of the installation of DC optimizers considering three different electricity price scenarios.

= 371 veces | PDF
= 306 veces|


Download data is not yet available.

Author Biographies

Luis Hernández-Callejo, University of Valladolid

Agricultural and Forestry Engineering Department.

Sara Gallardo-Saavedra, University of Valladolid

PhD Student. Agricultural and Forestry Engineering Department.


Alejandro Diez-Cercadillo, University of Valladolid

Graduated in Energy Engineering and Agriculture. Agricultural and Forestry Engineering Department

Víctor Alonso Gómez, University of Valladolid

Agricultural and Forestry Engineering Department.


B. N. Silva, M. Khan, and K. Han, “Towards sustainable smart cities: A review of trends, architectures, components, and open challenges in smart cities,” Sustain. Cities Soc., vol. 38, pp. 697–713, Apr. 2018.

T. Yigitcanlar and M. Kamruzzaman, “Does smart city policy lead to sustainability of cities?” Land Use Policy, vol. 73, pp. 649–58, Apr. 2018.

A. Anderson and et al., “Empowering smart communities: Electrification, education, and sustainable entrepreneurship in IEEE smart village initiatives,” IEEE Electrification Magazine, vol. 5, no. 2, pp. 6–16, Jun. 2017.

H. Kumar, M. Kumar, M. P. Gupta, and J. Madaan. (2018, April 30) Moving towards smart cities: Solutions that lead to smart city transformation framework. [Online]. Available:

M. . García, I. González, A. Gordaliza, and C. de Torre, “Retrofitting of a residential district under near zero energy buildings criteria,” Proceedings, vol. 1, no. 7, pp. 686–691, Nov. 2017.

Z. Pooranian, J. H. Abawajy, P. Vinod, and M. Conti, “Scheduling distributed energy resource operation and daily power consumption for a smart building to optimize economic and environmental parameters,” Energies, vol. 11, no. 6, pp. 1348–1365, May 2018.

V. Marinakis and H. Doukas, “An advanced IoT-based system for intelligent energy management in buildings,” Sensors, vol. 18, no. 2, pp. 610–626, Feb. 2018.

P. Moseley, “EU support for innovation and market uptake in smart buildings under the horizon 2020 framework programme,” Buildings, vol. 7, no. 4, pp. 105–129, Nov. 2017.

T. Wei, Q. Zhu, and N. Yu, “Proactive demand participation of smart buildings in smart grid,” IEEE Trans Comput., vol. 65, no. 5, pp. 1392–1406, May 2016.

D. Jiang, P. Zhang, Z. Lv, and H. Song, “Energy-efficient multi-constraint routing algorithm with load balancing for smart city applications,” IEEE Internet of Things Journal, vol. 3, no. 6, pp. 1437–1447, Dec. 2016.

Z. Li and M. Shahidehpour, “Deployment of cybersecurity for managing traffic efficiency and safety in smart cities,” Electr. J., vol. 30, no. 4, pp. 52–61, May 2017.

C. Mahapatra, A. Kumar, and V. C. M. Leung, “Energy management in smart cities based on internet of things: Peak demand reduction and energy savings,” Sensors, vol. 17, no. 12, pp. 2012–2833, Dec. 2017.

A. Strzalka, N. Alam, E. Duminil, V. Coors, and U. Eicker, “Large scale integration of photovoltaics in cities,” Appl. Energy, vol. 93, pp. 413–421, May 2012.

P. Harsha and M. Dahleh, “Optimal management and sizing of energy storage under dynamic pricing for the efficient integration of renewable energy,” IEEE T. Power Syst., vol. 30, no. 3, pp. 1164–1181, May 2015.

A. Kaygusuz, C. Keles, B. Baykant, and A. Karabiber, “Renewable energy integration for smart cities,” Energy Build., vol. 64, pp. 456–462, Sep. 2013.

S. Gallardo, L. Hernández, and O. Duque, “Technological review of the instrumentation used in aerial thermographic inspection of photovoltaic plants,” Renew. Sust. Energ. Rev., vol. 93, pp. 566–579, Oct. 2018.

S. Gallardo and L. Hernández and O. Duque, “Image resolution influence in aerial thermographic inspections of photovoltaic plants,” IEEE T. Ind. Inform., vol. 14, no. 12, pp. 5678–5686, Dec. 2018.

L. Hernández, S. Gallardo, A. Diez, and V. Alonso, “Study of the influence of DC-DC optimizers on PV-Energy generation,” in 1st Iberoamerican Conference of Smart Cities ICSC-CITIES 2018, Soria, Spain, 2018, pp. 1–17.

R. Alonso, E. Roman, A. Sanz, V. E. Martínez, and P. Ibanez, “Analysis of inverter-voltage influence on distributed MPPT architecture performance,” IEEE Trans. Ind. Electron., vol. 59, no. 10, pp. 3900–3907, Oct. 2012.

C. Deline and S. MacAlpine, “Use conditions and efficiency measurements of DC power optimizers for photovoltaic systems,” in IEEE Energy Conversion Congress and Exposition, Denver, CO, USA, 2013, pp. 4801–4807.

S. Gallardo and B. Karlsson, “Simulation, validation and analysis of shading effects on a PV system,” Sol. Energy, vol. 170, pp. 828–839, Aug. 2018.

M. Azab, “DC power optimizer for PV modules using SEPIC converter,” in 5th IEEE International Conference on Smart Energy Grid Engineering, Oshawa, ON, Canada, 2017, pp. 74–78.

R. Orduz, J. Solórzano, M. A. Egido, and E. Román, “Analytical study and evaluation results of power optimizers for distributed power conditioning in photovoltaic arrays,” Prog. Photovoltaics, vol. 21, no. 3, pp. 359–373, May 2013.

C. Rodriguez and G. A. J. Amaratunga, “Long-lifetime power inverter for photovoltaic AC modules,” IEEE Trans. Ind. Electron., vol. 55, no. 7, pp. 2593–2601, Jul. 2008.

A. M. Sadati, S. Krauter, and J. Bendfeld, “Comparison of micro inverters based on practical analysis,” in 5th International Youth Conference on Energy (IYCE), Pisa, Italy, 2015, pp. 1–6.

G. R. Walker and P. C. Sernia, “Cascaded DC–DC converter connection of photovoltaic modules,” IEEE T. Power Electr., vol. 19, no. 4, pp. 1130–1139, Jul. 2004.

E. Roman, R. Alonso, P. Ibanez, S. Elorduizapatarietxe, and D. Goitia, “Intelligent PV module for grid-connected PV systems,” IEEE Trans. Ind. Electron., vol. 53, no. 4, pp. 1066–1073, Jun. 2006.

K. Elkamouny, B. Lakssir, M. Hamedoun, A. Benyoussef, and H. Mahmoudi, “Simulation, design and test of an efficient power optimizer using DC-DC interleaved isolated boost PV-micro inverter application,” in 14th International Multi-Conference on Systems, Signals & Devices (SSD), Marrakech, Morocco, 2017, pp. 518–525.

H. J. Bergveld and et al., “Module-level DC/DC conversion for photovoltaic systems: The delta-conversion concept,” IEEE T. Power Electr., vol. 28, no. 4, pp. 2005–2013, Apr. 2013.

Pv estimation. Joint Research Centre (JRC). Accessed Apr. 01, 2019. [Online]. Available:




How to Cite

Hernández-Callejo, L., Gallardo-Saavedra, S., Diez-Cercadillo, A., & Gómez, V. A. (2020). Analysis of the influence of DC optimizers on photovoltaic production. Revista Facultad De Ingeniería Universidad De Antioquia, (94), 43–55.

Most read articles by the same author(s)